/* ── Typography: IBM Plex Sans + Mono ─────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

/* ── CSS Variables: Dark theme (default) ─────────────────────────── */

:root, [data-theme="dark"] {
    --bg-main: #1a1a1e;
    --bg-sidebar: #15151a;
    --bg-input: #2a2a30;
    --bg-message-hover: #1e1e24;
    --bg-server-rail: #111114;
    --bg-elevated: #222228;
    --text-primary: #e0e0e5;
    --text-secondary: #b0b0b8;
    --text-muted: #6a6a75;
    --text-placeholder: #4a4a55;
    --accent: #5865f2;
    --accent-hover: #4752c4;
    --accent-glow: rgba(88, 101, 242, 0.15);
    --accent-subtle: rgba(88, 101, 242, 0.08);
    --accent-green: #3ba55c;
    --accent-green-hover: #2d8049;
    --accent-green-glow: rgba(59, 165, 92, 0.15);
    --danger: #ed4245;
    --danger-hover: #c73538;
    --danger-glow: rgba(237, 66, 69, 0.15);
    --online: #3ba55c;
    --unread: #f0b232;
    --border: #2a2a30;
    --border-subtle: #222228;
    --scrollbar-thumb: #2a2a30;
    --scrollbar-track: transparent;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-inset: inset 0 1px 3px rgba(0, 0, 0, 0.2);
    --focus-ring: 0 0 0 2px var(--accent-glow), 0 0 0 1px var(--accent);
    --overlay-bg: rgba(0, 0, 0, 0.6);
    --backdrop-blur: blur(4px);
    --transition-fast: 0.12s ease;
    --transition-normal: 0.18s ease;
    --transition-smooth: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── CSS Variables: Light theme ──────────────────────────────────── */

[data-theme="light"] {
    --bg-main: #ffffff;
    --bg-sidebar: #f2f3f5;
    --bg-input: #ebedef;
    --bg-message-hover: #f6f6f7;
    --bg-server-rail: #e3e5e8;
    --bg-elevated: #ffffff;
    --text-primary: #2e3338;
    --text-secondary: #4f5660;
    --text-muted: #747f8d;
    --text-placeholder: #a3a6aa;
    --accent: #5865f2;
    --accent-hover: #4752c4;
    --accent-glow: rgba(88, 101, 242, 0.12);
    --accent-subtle: rgba(88, 101, 242, 0.06);
    --accent-green: #3ba55c;
    --accent-green-hover: #2d8049;
    --accent-green-glow: rgba(59, 165, 92, 0.12);
    --danger: #ed4245;
    --danger-hover: #c73538;
    --danger-glow: rgba(237, 66, 69, 0.12);
    --online: #3ba55c;
    --unread: #f0b232;
    --border: #e3e5e8;
    --border-subtle: #ebedef;
    --scrollbar-thumb: #c7ccd1;
    --scrollbar-track: transparent;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-inset: inset 0 1px 3px rgba(0, 0, 0, 0.06);
    --focus-ring: 0 0 0 2px var(--accent-glow), 0 0 0 1px var(--accent);
    --overlay-bg: rgba(0, 0, 0, 0.35);
    --backdrop-blur: blur(4px);
    --transition-fast: 0.12s ease;
    --transition-normal: 0.18s ease;
    --transition-smooth: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset & Base ────────────────────────────────────────────────── */

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
    width: 100%;
    height: 100%;
    height: 100dvh; /* dynamic viewport height -- respects mobile browser chrome */
    overflow: hidden;
    font-family: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--bg-main);
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

code, pre, .peer-id-text, .invite-code-display textarea, .welcome-invite-input {
    font-family: 'IBM Plex Mono', 'SF Mono', 'Fira Code', monospace;
}

/* ── Focus Visible (accessibility) ───────────────────────────────── */

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    box-shadow: var(--focus-ring);
}

/* ── App Layout ──────────────────────────────────────────────────── */

.app {
    display: flex;
    width: 100%;
    height: 100%;
    height: 100dvh;
    overflow: hidden;
    position: relative;
}

/* ── Server Rail (Discord-style icon strip) ──────────────────────── */

.server-rail {
    width: 72px;
    min-width: 72px;
    background: var(--bg-server-rail);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 0;
    gap: 8px;
    overflow-y: auto;
}

.server-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--bg-input);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-muted);
    transition: border-radius var(--transition-normal), background var(--transition-normal), color var(--transition-normal), box-shadow var(--transition-normal);
    flex-shrink: 0;
    position: relative;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.server-icon:hover {
    border-radius: 16px;
    background: var(--accent);
    color: white;
    box-shadow: var(--shadow-md);
}

.server-icon.active {
    border-radius: 16px;
    background: var(--accent);
    color: white;
}

/* Active indicator pip on the left side of server icon */
.server-icon.active::before {
    content: '';
    position: absolute;
    left: -12px;
    width: 4px;
    height: 40px;
    background: var(--text-primary);
    border-radius: 0 4px 4px 0;
    transition: height var(--transition-normal);
}

.server-icon:hover:not(.active)::before {
    content: '';
    position: absolute;
    left: -12px;
    width: 4px;
    height: 20px;
    background: var(--text-primary);
    border-radius: 0 4px 4px 0;
    transition: height var(--transition-normal);
}

.server-icon.add-server {
    background: transparent;
    border: 2px dashed var(--text-muted);
    font-size: 24px;
    color: var(--text-muted);
    transition: border-color var(--transition-normal), color var(--transition-normal), background var(--transition-normal);
}

.server-icon.add-server:hover {
    border-color: var(--online);
    color: var(--online);
    background: transparent;
}

.server-icon.add-server:hover::before {
    display: none;
}

.server-rail-divider {
    width: 32px;
    height: 2px;
    background: var(--border);
    border-radius: 1px;
    flex-shrink: 0;
}

/* ── Sidebar ─────────────────────────────────────────────────────── */

.sidebar {
    width: 240px;
    min-width: 240px;
    background: var(--bg-sidebar);
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border);
}

.sidebar-header {
    display: flex;
    align-items: center;
    padding: 16px;
    font-size: 16px;
    font-weight: 600;
    border-bottom: 1px solid var(--border);
    letter-spacing: -0.01em;
    min-height: 52px;
    overflow: hidden;
}

/* Truncate long server names in sidebar header */
.sidebar-header span,
.sidebar-header .server-name-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
    flex: 1;
}

/* ── Channel List ────────────────────────────────────────────────── */

.channel-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.channel-list-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 12px 8px;
}

.channel-list-title {
    font-size: 11px;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.06em;
    font-weight: 600;
}

.channel-add-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 18px;
    cursor: pointer;
    padding: 4px 6px;
    line-height: 1;
    border-radius: 4px;
    transition: color var(--transition-fast), background var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
}

.channel-add-btn:hover {
    color: var(--text-primary);
    background: var(--bg-message-hover);
}

.channel-create-input {
    padding: 2px 12px 6px;
}

.channel-type-toggle {
    display: flex;
    gap: 4px;
    margin-bottom: 4px;
}

.type-btn {
    flex: 1;
    padding: 6px 8px;
    font-size: 12px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
    min-height: 32px;
    font-family: inherit;
    font-weight: 500;
    -webkit-tap-highlight-color: transparent;
}

.type-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

.type-btn:hover:not(.active) {
    border-color: var(--text-muted);
    background: var(--bg-message-hover);
}

.channel-create-input input {
    width: 100%;
    padding: 8px 10px;
    background: var(--bg-input);
    border: 1px solid var(--accent);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 13px;
    font-family: inherit;
    outline: none;
    transition: box-shadow var(--transition-normal);
}

.channel-create-input input:focus {
    box-shadow: var(--focus-ring);
}

/* ── Channel Items ───────────────────────────────────────────────── */

.channel-item {
    padding: 7px 12px;
    border-radius: 6px;
    cursor: pointer;
    color: var(--text-muted);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
    position: relative;
    margin-left: 4px;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
}

.channel-item:hover {
    background: var(--bg-message-hover);
    color: var(--text-secondary);
}

.channel-item:active {
    transform: scale(0.99);
}

.channel-item.active {
    color: var(--text-primary);
    background: var(--bg-input);
}

/* Active channel left indicator bar (Discord-style) */
.channel-item.active::before {
    content: '';
    position: absolute;
    left: -4px;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    background: var(--accent);
    border-radius: 0 2px 2px 0;
    transition: height var(--transition-normal);
}

.channel-item-right {
    display: flex;
    align-items: center;
    gap: 4px;
}

.channel-item .unread-badge {
    background: var(--unread);
    color: #000;
    font-size: 11px;
    font-weight: 600;
    padding: 1px 6px;
    border-radius: 10px;
}

/* Delete button -- hidden by default, visible on hover */
.channel-item .delete-btn {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 12px;
    cursor: pointer;
    padding: 2px 6px;
    line-height: 1;
    border-radius: 4px;
    transition: color var(--transition-fast), background var(--transition-fast);
}

.channel-item:hover .delete-btn {
    display: inline-block;
}

.channel-item .delete-btn:hover {
    color: var(--danger);
    background: var(--danger-glow);
}

/* ── User Area & Connection Status ───────────────────────────────── */

.user-area {
    padding: 12px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 8px;
}

.user-area .status-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--online);
    flex-shrink: 0;
}

.connection-status {
    padding: 10px 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-top: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-muted);
    background: var(--bg-sidebar);
}

.connection-status .status-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
    border: 2px solid var(--bg-sidebar);
    box-shadow: 0 0 0 1px var(--border);
    transition: background var(--transition-normal), box-shadow var(--transition-normal);
}

.connection-status .status-dot.connected {
    background: var(--online);
    box-shadow: 0 0 0 1px var(--online);
}

.connection-status .status-dot.connecting {
    background: var(--warning, #f0b232);
    box-shadow: 0 0 0 1px var(--warning, #f0b232);
    animation: pulse 1.5s ease-in-out infinite;
}

.connection-status .status-dot.disconnected {
    background: var(--danger);
    box-shadow: 0 0 0 1px var(--danger);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* ── Main Content ────────────────────────────────────────────────── */

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    min-height: 0;
    overflow: hidden;
}

.chat-container {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

/* ── Loading State ───────────────────────────────────────────────── */

.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100dvh;
    color: var(--text-muted);
    font-size: 16px;
}

/* ── Channel Header ──────────────────────────────────────────────── */

.channel-header {
    padding: 12px 16px;
    font-size: 16px;
    font-weight: 600;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
    letter-spacing: -0.01em;
    min-height: 48px;
    gap: 8px;
}

.channel-header .peer-count {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 400;
    white-space: nowrap;
}

/* ── Messages ────────────────────────────────────────────────────── */

.message-list {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-height: 0;
}

.message {
    padding: 4px 8px;
    position: relative;
    border-left: 2px solid transparent;
    border-radius: 6px;
    transition: background var(--transition-fast), border-color var(--transition-fast);
    cursor: pointer;
}

.message:hover {
    background: var(--bg-message-hover);
    border-left-color: var(--accent);
}

.message.mentioned {
    background: rgba(88, 101, 242, 0.08);
    border-left-color: var(--accent);
}

.message.mentioned:hover {
    background: rgba(88, 101, 242, 0.12);
}

.message .meta {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.message .author { font-weight: 600; font-size: 14px; }
.message .author.local { color: #7289da; }
.message .author.remote { color: #43b581; }
.message .timestamp { font-size: 11px; color: var(--text-muted); }
.message .edited { font-size: 10px; color: var(--text-placeholder); font-style: italic; }

.message .body { margin-top: 2px; line-height: 1.5; word-break: break-word; }
.message .body.deleted { color: var(--text-muted); font-style: italic; }

/* ── Reply Preview (Discord-style connected quote) ───────────────── */

.message .reply-preview {
    font-size: 12px;
    color: var(--text-muted);
    padding: 4px 12px 4px 16px;
    margin-bottom: 4px;
    margin-left: 2px;
    border-left: 2px solid var(--border);
    border-radius: 0 4px 4px 0;
    background: var(--accent-subtle);
    position: relative;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
}

/* Connected curve indicator for reply */
.message .reply-preview::before {
    content: '';
    position: absolute;
    left: -2px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--accent);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.message .reply-clickable {
    cursor: pointer;
    transition: color var(--transition-fast), border-left-color var(--transition-fast);
}

.message .reply-clickable:hover {
    color: var(--accent);
    border-left-color: var(--accent);
}

.message .reply-clickable:hover::before {
    opacity: 1;
}

/* ── Message Grouping ────────────────────────────────────────────── */

.message.grouped {
    margin-top: 2px;
}

/* First message in a group gets extra top rounding */
.message:not(.grouped) {
    margin-top: 8px;
    border-radius: 6px 6px 4px 4px;
}

.message:not(.grouped) + .message.grouped {
    border-radius: 4px;
}

/* ── Reactions ───────────────────────────────────────────────────── */

.message .reactions {
    display: flex;
    gap: 6px;
    margin-top: 6px;
    flex-wrap: wrap;
    align-items: center;
}

.message .reaction {
    background: var(--bg-input);
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 13px;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
    line-height: 1.4;
    font-family: inherit;
    -webkit-tap-highlight-color: transparent;
    white-space: nowrap;
}

.message .reaction:hover {
    background: var(--accent-subtle, rgba(88,101,242,0.15));
    border-color: var(--accent);
    transform: scale(1.05);
}

.message .reaction:active {
    transform: scale(0.95);
}

/* ── Message Action Bar (dropdown) ────────────────────────────────── */

.message-actions {
    display: none;
    position: absolute;
    top: -14px;
    right: 8px;
    z-index: 2;
}

.message:hover .message-actions { display: flex; }

.action-trigger {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 16px;
    padding: 4px 8px;
    cursor: pointer;
    border-radius: 6px;
    box-shadow: var(--shadow-md);
    transition: background var(--transition-fast), color var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
}

.action-trigger:hover {
    background: var(--bg-input);
    color: var(--text-primary);
}

.message-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--bg-sidebar);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 4px;
    min-width: 160px;
    z-index: 10;
    box-shadow: var(--shadow-lg);
    animation: dropdownFadeIn 0.12s ease-out;
}

@keyframes dropdownFadeIn {
    from { opacity: 0; transform: translateY(-4px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.dropdown-item {
    display: block;
    width: 100%;
    padding: 8px 12px;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 13px;
    text-align: left;
    cursor: pointer;
    border-radius: 4px;
    font-family: inherit;
    transition: background var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
}

.dropdown-item:hover {
    background: var(--bg-input);
}

.dropdown-danger {
    color: var(--danger);
}

.dropdown-danger:hover {
    background: var(--danger-glow);
}

.dropdown-emoji-row {
    display: flex;
    gap: 2px;
    padding: 4px;
    flex-wrap: wrap;
}

.dropdown-emoji-row button {
    background: transparent;
    border: none;
    font-size: 18px;
    padding: 6px;
    cursor: pointer;
    border-radius: 6px;
    transition: background var(--transition-fast), transform var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
}

.dropdown-emoji-row button:hover {
    background: var(--bg-input);
    transform: scale(1.15);
}

/* ── Edit Bar (above input, similar to reply bar) ────────────────── */

.edit-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 14px;
    margin-bottom: 6px;
    background: var(--bg-input);
    border-left: 3px solid var(--unread);
    border-radius: 6px;
    font-size: 13px;
    color: var(--text-secondary);
    animation: slideDown 0.15s ease-out;
}

.edit-bar-text {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.edit-bar-cancel {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 14px;
    padding: 4px 8px;
    margin-left: 8px;
    border-radius: 4px;
    transition: color var(--transition-fast), background var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
}

.edit-bar-cancel:hover {
    color: var(--danger);
    background: var(--danger-glow);
}

/* ── Reply Bar (above input) ─────────────────────────────────────── */

.reply-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 14px;
    margin-bottom: 6px;
    background: var(--bg-input);
    border-left: 3px solid var(--accent);
    border-radius: 6px;
    font-size: 13px;
    color: var(--text-secondary);
    animation: slideDown 0.15s ease-out;
}

.reply-bar-text {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.reply-bar-cancel {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 14px;
    padding: 4px 8px;
    margin-left: 8px;
    border-radius: 4px;
    transition: color var(--transition-fast), background var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
}

.reply-bar-cancel:hover {
    color: var(--danger);
    background: var(--danger-glow);
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── Input Area ──────────────────────────────────────────────────── */

.input-area {
    padding: 12px 16px;
    border-top: 1px solid var(--border);
    flex-shrink: 0;
    background: var(--bg-main);
}

.input-area input, .input-area textarea {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    outline: none;
    resize: none;
    box-shadow: var(--shadow-inset);
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.input-area input:focus, .input-area textarea:focus {
    border-color: var(--accent);
    box-shadow: var(--focus-ring), var(--shadow-inset);
}

.input-area input::placeholder, .input-area textarea::placeholder {
    color: var(--text-placeholder);
}

/* ── Input Row (attach button + input) ───────────────────────────── */

.input-row {
    display: flex;
    align-items: flex-end;
    gap: 0;
}

.input-row .input-area {
    flex: 1;
    min-width: 0;
}

.file-share-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 20px;
    padding: 12px 8px 12px 16px;
    cursor: pointer;
    line-height: 1;
    flex-shrink: 0;
    transition: color var(--transition-fast), transform var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
    border-radius: 8px;
}

.file-share-btn:hover {
    color: var(--text-primary);
    transform: scale(1.1);
}

/* ── File Card (inline file attachment) ──────────────────────────── */

.file-card {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: 400px;
    margin-top: 4px;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.file-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-sm);
}

.file-card .file-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.file-card .file-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.file-card .file-name {
    color: var(--accent);
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-card .file-size {
    color: var(--text-muted);
    font-size: 12px;
}

.file-card .download-btn {
    flex-shrink: 0;
    font-size: 16px;
    padding: 6px 10px;
}

/* ── Member List (right sidebar) ─────────────────────────────────── */

/* On desktop, the wrapper is transparent -- member-list renders normally */
.member-list-wrapper {
    display: contents;
}

.members-overlay {
    display: none;
}

.mobile-members-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 13px;
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 6px;
    transition: color var(--transition-fast), background var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
    min-height: 36px;
    align-items: center;
    justify-content: center;
}

.mobile-members-toggle:hover {
    color: var(--text-primary);
    background: var(--bg-input);
}

.channel-header-right {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.member-list {
    width: 220px;
    min-width: 220px;
    background: var(--bg-sidebar);
    border-left: 1px solid var(--border);
    padding: 16px 12px;
    overflow-y: auto;
}

.member-list h3 {
    font-size: 11px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 8px;
    margin-top: 16px;
    letter-spacing: 0.06em;
    font-weight: 600;
}

.member-list h3:first-child {
    margin-top: 0;
}

.member-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: 6px;
    font-size: 13px;
    flex-wrap: wrap;
    transition: background var(--transition-fast);
    cursor: default;
}

.member-item:hover { background: var(--bg-message-hover); }

.member-item .status-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--online);
    flex-shrink: 0;
    border: 2px solid var(--bg-sidebar);
    box-shadow: 0 0 0 1px var(--border-subtle);
}

.member-item .status-dot.offline {
    background: var(--text-muted);
}

.member-item .member-name {
    flex-shrink: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 500;
}

.member-peer-id {
    font-size: 10px;
    color: var(--text-placeholder);
    font-weight: normal;
    font-family: 'IBM Plex Mono', monospace;
}

/* ── Member Badges (Owner, Trusted) ──────────────────────────────── */

.member-item .badge {
    font-size: 10px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    flex-shrink: 0;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.member-item .owner-badge {
    background: var(--accent);
    color: white;
    box-shadow: 0 1px 3px rgba(88, 101, 242, 0.3);
}

.member-item .trusted-badge {
    background: var(--online);
    color: white;
    box-shadow: 0 1px 3px rgba(59, 165, 92, 0.3);
}

/* ── Member Actions -- visible on hover ──────────────────────────── */

.member-actions {
    display: none;
    gap: 4px;
    width: 100%;
    padding-left: 18px;
    margin-top: 4px;
}

.member-item:hover .member-actions {
    display: flex;
}

.member-actions .btn {
    font-size: 11px;
    padding: 3px 8px;
}

/* ── Settings Panel ──────────────────────────────────────────────── */

.settings-panel {
    flex: 1;
    padding: 32px;
    overflow-y: auto;
    max-width: 700px;
}

.settings-panel h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.settings-panel h3 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.settings-panel label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.settings-panel input {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    margin-bottom: 16px;
    outline: none;
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.settings-panel input:focus {
    border-color: var(--accent);
    box-shadow: var(--focus-ring);
}

/* ── Settings Section Cards ──────────────────────────────────────── */

.settings-section {
    margin-bottom: 24px;
    padding: 20px;
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    background: var(--bg-sidebar);
    transition: border-color var(--transition-normal);
}

.settings-section:hover {
    border-color: var(--border);
}

.settings-section:last-child {
    margin-bottom: 0;
}

.settings-status {
    background: var(--accent-subtle);
    color: var(--accent);
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 13px;
    font-weight: 500;
    border-left: 3px solid var(--accent);
    animation: slideDown 0.15s ease-out;
}

/* ── Peer ID Display ─────────────────────────────────────────────── */

.peer-id-display {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.peer-id-text {
    flex: 1;
    background: var(--bg-input);
    padding: 10px 12px;
    border-radius: 6px;
    font-size: 11px;
    color: var(--text-secondary);
    word-break: break-all;
    min-width: 0;
    border: 1px solid var(--border-subtle);
    user-select: all;
    cursor: text;
    transition: border-color var(--transition-normal);
}

.peer-id-text:hover {
    border-color: var(--border);
}

/* ── Invite Section ──────────────────────────────────────────────── */

.invite-section,
.join-section {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.invite-code-display {
    margin-top: 8px;
}

.invite-code-display textarea {
    width: 100%;
    height: 60px;
    padding: 10px 14px;
    background: var(--bg-server-rail);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 11px;
    outline: none;
    resize: none;
    margin-bottom: 4px;
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
    user-select: all;
}

.invite-code-display textarea:focus {
    border-color: var(--accent);
    box-shadow: var(--focus-ring);
}

/* ── Buttons ─────────────────────────────────────────────────────── */

.btn {
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast), transform 0.1s ease;
    position: relative;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: var(--accent);
    color: white;
    box-shadow: 0 1px 3px rgba(88, 101, 242, 0.3);
}

.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: 0 2px 8px rgba(88, 101, 242, 0.4);
}

.btn-danger {
    background: var(--danger);
    color: white;
    box-shadow: 0 1px 3px rgba(237, 66, 69, 0.3);
}

.btn-danger:hover {
    background: var(--danger-hover);
    box-shadow: 0 2px 8px rgba(237, 66, 69, 0.4);
}

.btn-sm {
    padding: 4px 10px;
    font-size: 12px;
    border-radius: 4px;
}

.empty-state {
    color: var(--text-muted);
    padding: 16px;
    text-align: center;
}

/* ── Role Manager ────────────────────────────────────────────────── */

.role-manager {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.role-manager-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 0 8px;
}

.role-manager-title {
    font-size: 11px;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.06em;
    font-weight: 600;
}

.role-add-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 18px;
    cursor: pointer;
    padding: 4px 6px;
    line-height: 1;
    border-radius: 4px;
    transition: color var(--transition-fast), background var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
}

.role-add-btn:hover {
    color: var(--text-primary);
    background: var(--bg-message-hover);
}

.role-create-input {
    padding: 2px 0 6px;
}

.role-create-input input {
    width: 100%;
    padding: 8px 10px;
    background: var(--bg-input);
    border: 1px solid var(--accent);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 13px;
    font-family: inherit;
    outline: none;
    transition: box-shadow var(--transition-normal);
}

.role-create-input input:focus {
    box-shadow: var(--focus-ring);
}

.role-item {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-subtle);
}

.role-item:last-child {
    border-bottom: none;
}

.role-item-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.role-name {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-primary);
}

.role-delete-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 14px;
    cursor: pointer;
    padding: 4px 8px;
    line-height: 1;
    border-radius: 4px;
    transition: color var(--transition-fast), background var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
}

.role-delete-btn:hover {
    color: var(--danger);
    background: var(--danger-glow);
}

.permission-toggles {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 14px;
    margin-bottom: 10px;
}

.permission-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 2px 0;
}

.permission-toggle input[type="checkbox"] {
    accent-color: var(--accent);
    width: 15px;
    height: 15px;
    cursor: pointer;
    margin: 0;
}

.permission-toggle input[type="checkbox"]:disabled {
    cursor: default;
    opacity: 0.5;
}

.role-assign {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 6px;
}

.role-assign-input {
    flex: 1;
    padding: 6px 10px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 12px;
    font-family: inherit;
    outline: none;
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.role-assign-input:focus {
    border-color: var(--accent);
    box-shadow: var(--focus-ring);
}

.role-section {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

/* ── Scroll-to-Bottom Pill ───────────────────────────────────────── */

.message-list-container {
    flex: 1;
    position: relative;
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.scroll-to-bottom {
    position: absolute;
    bottom: 16px;
    right: 20px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 20px;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    z-index: 5;
    box-shadow: var(--shadow-lg);
    transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    font-family: inherit;
    -webkit-tap-highlight-color: transparent;
    animation: fadeInUp 0.2s ease-out;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.scroll-to-bottom:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
}

/* ── Loading Spinner ─────────────────────────────────────────────── */

.loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 40px 16px;
    color: var(--text-muted);
    font-size: 14px;
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ── Scrollbar Theming ───────────────────────────────────────────── */

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--scrollbar-track); }
::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 3px;
    transition: background 0.2s;
}
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* Firefox scrollbar */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

/* ── Theme Toggle Button ─────────────────────────────────────────── */

.theme-toggle {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 18px;
    cursor: pointer;
    padding: 6px 8px;
    line-height: 1;
    flex-shrink: 0;
    border-radius: 6px;
    transition: color var(--transition-fast), background var(--transition-fast), transform var(--transition-normal);
    -webkit-tap-highlight-color: transparent;
    min-width: 36px;
    min-height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    color: var(--text-primary);
    background: var(--bg-input);
    transform: rotate(15deg);
}

/* ── Mute Toggle (settings) ──────────────────────────────────────── */

.settings-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    cursor: pointer;
}

.settings-checkbox input[type="checkbox"] {
    width: auto;
    margin-bottom: 0;
    accent-color: var(--accent);
}

/* ── Mobile Nav Toggle Button ────────────────────────────────────── */

.mobile-nav-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 22px;
    padding: 6px 10px;
    cursor: pointer;
    line-height: 1;
    border-radius: 6px;
    transition: background var(--transition-fast), color var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
}

.mobile-nav-toggle:hover {
    background: var(--bg-input);
}

/* ── Overlay for Closing Sidebar on Mobile ───────────────────────── */

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--overlay-bg);
    z-index: 9;
    -webkit-backdrop-filter: var(--backdrop-blur);
    backdrop-filter: var(--backdrop-blur);
}

/* ── Message links & embeds ─────────────────────────────────────── */

.message-link {
    color: var(--accent);
    text-decoration: none;
    word-break: break-all;
    transition: color var(--transition-fast);
}

.message-link:hover {
    text-decoration: underline;
    color: var(--accent-hover);
}

.message-embeds {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 8px;
    max-width: 400px;
}

.embed-link {
    display: block;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.embed-link:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-sm);
}

.embed-image {
    display: block;
    max-width: 100%;
    max-height: 300px;
    object-fit: contain;
    background: var(--bg-input);
    border-radius: 8px;
}

/* ── Typing Indicator ────────────────────────────────────────────── */

.typing-indicator {
    padding: 4px 16px;
    font-size: 12px;
    color: var(--text-muted);
    font-style: italic;
    height: 24px;
    min-height: 24px;
    max-height: 24px;
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
    overflow: hidden;
}

/* Animated typing dots -- applied via CSS when text is present */
.typing-indicator:not(:empty)::after {
    content: '';
    display: inline-flex;
    width: 20px;
    height: 6px;
    background: radial-gradient(circle, var(--text-muted) 1.5px, transparent 1.5px);
    background-size: 7px 6px;
    background-position: 0 0;
    animation: typingDots 1.4s steps(3) infinite;
    flex-shrink: 0;
}

@keyframes typingDots {
    0% { opacity: 0.3; }
    33% { opacity: 0.6; }
    66% { opacity: 1; }
    100% { opacity: 0.3; }
}

/* ── Server Gear Button ──────────────────────────────────────────── */

.server-gear-btn {
    margin-left: auto;
    background: transparent;
    color: var(--text-muted);
    font-size: 16px;
    padding: 6px 8px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: color var(--transition-fast), background var(--transition-fast), transform var(--transition-normal);
    -webkit-tap-highlight-color: transparent;
    min-width: 32px;
    min-height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.server-gear-btn:hover {
    color: var(--text-primary);
    background: var(--bg-input);
    transform: rotate(60deg);
}

/* ── Server Settings Link Button ─────────────────────────────────── */

.server-settings-link {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.server-settings-link:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

/* ── Settings Server Label ───────────────────────────────────────── */

.settings-server-label {
    margin-bottom: 16px;
    font-size: 13px;
}

.settings-server-prefix {
    color: var(--text-muted);
}

.settings-server-name {
    color: var(--text-primary);
    font-weight: 600;
}

.settings-hint {
    color: var(--text-muted);
    font-size: 12px;
    margin: -4px 0 8px;
}

.server-settings-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.server-settings-header h2 {
    margin: 0;
}

/* ── Responsive: Tablet (< 900px) ───────────────────────────────── */

@media (max-width: 900px) {
    .mobile-members-toggle {
        display: inline-flex;
    }

    .member-list-wrapper {
        display: block;
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        z-index: 10;
        width: 260px;
        max-width: 85vw;
        transform: translateX(100%);
        transition: transform var(--transition-smooth);
        background: var(--bg-sidebar);
        box-shadow: none;
    }

    .member-list-wrapper.open {
        transform: translateX(0);
        box-shadow: -4px 0 24px rgba(0, 0, 0, 0.5);
    }

    .member-list-wrapper .member-list {
        width: 100%;
        min-width: 0;
        height: 100%;
        border-left: none;
    }

    .members-overlay {
        display: none;
        position: fixed;
        inset: 0;
        z-index: 9;
        background: var(--overlay-bg);
        -webkit-backdrop-filter: var(--backdrop-blur);
        backdrop-filter: var(--backdrop-blur);
    }

    .members-overlay.open {
        display: block;
    }

    /* Member actions always visible on tablet (no hover) */
    .member-actions {
        display: flex;
    }
}

/* ── Responsive: Mobile (< 640px) ───────────────────────────────── */

@media (max-width: 640px) {
    html, body {
        height: 100%;
        height: 100dvh;
        /* Safe area for notched phones */
        padding: env(safe-area-inset-top) env(safe-area-inset-right) 0 env(safe-area-inset-left);
    }

    .app {
        height: 100%;
        height: 100dvh;
        flex-direction: column;
    }

    .mobile-nav-toggle {
        display: block;
    }

    /* Sidebar becomes a slide-over drawer below the server rail */
    .sidebar {
        position: fixed;
        top: 48px; /* below the compact horizontal server rail */
        left: 0;
        bottom: 0;
        z-index: 10;
        width: 280px;
        max-width: 85vw;
        transform: translateX(-100%);
        transition: transform var(--transition-smooth);
        box-shadow: none;
    }

    .sidebar.open {
        transform: translateX(0);
        box-shadow: 4px 0 24px rgba(0, 0, 0, 0.5);
    }

    .sidebar-overlay.open {
        display: block;
    }

    /* Main content fills remaining space */
    .main-content {
        flex: 1;
        width: 100%;
        min-height: 0;
        overflow: hidden;
    }

    .chat-container {
        flex: 1;
        min-height: 0;
    }

    /* Larger touch targets (min 44px) */
    .channel-item {
        padding: 10px 12px;
        font-size: 15px;
        min-height: 44px;
    }

    /* Always show delete button on mobile (no hover) */
    .channel-item .delete-btn {
        display: inline-block;
    }

    .user-area {
        padding: 14px 12px;
        min-height: 44px;
    }

    /* Channel header with hamburger */
    .channel-header {
        padding: 8px 10px;
        gap: 6px;
        min-height: 44px;
        font-size: 15px;
    }

    /* Message layout */
    .message-list {
        padding: 8px;
    }

    .message {
        padding: 6px 8px;
    }

    .message .meta {
        gap: 6px;
    }

    .message .author {
        font-size: 13px;
    }

    .message .body {
        font-size: 14px;
        word-break: break-word;
    }

    /* On mobile, hide the trigger button — long-press shows dropdown directly */
    .action-trigger {
        display: none;
    }

    /* But show the actions container when dropdown is open */
    .message-actions:has(.message-dropdown) {
        display: flex;
    }

    .action-trigger {
        padding: 6px 10px;
        font-size: 18px;
        min-width: 36px;
        min-height: 36px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* Dropdown: prevent overflow on mobile */
    .message-dropdown {
        right: 0;
        left: auto;
        max-width: calc(100vw - 32px);
    }

    /* Reply preview compact on mobile */
    .message .reply-preview {
        font-size: 11px;
        padding: 3px 10px 3px 12px;
    }

    /* Reactions flow nicely */
    .message .reaction {
        padding: 4px 10px;
        font-size: 12px;
    }

    /* Input -- larger padding on mobile */
    .input-area {
        padding: 8px 10px;
        padding-bottom: calc(8px + env(safe-area-inset-bottom));
    }

    .input-area input, .input-area textarea {
        padding: 12px 14px;
        font-size: 16px; /* prevents iOS zoom on focus */
        border-radius: 20px;
    }

    /* File share button -- larger touch target */
    .file-share-btn {
        padding: 12px;
        font-size: 22px;
        min-width: 44px;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* File card full width */
    .file-card {
        max-width: 100%;
    }

    /* Image embeds full width */
    .message-embeds {
        max-width: 100%;
    }
    .embed-image {
        max-height: 200px;
    }

    /* Settings */
    .settings-panel {
        padding: 16px;
    }

    .settings-panel h2 {
        font-size: 20px;
    }

    .settings-panel input {
        font-size: 16px;
        padding: 10px 12px;
    }

    .settings-section {
        padding: 16px;
        border-radius: 8px;
    }

    /* Buttons -- min 44px touch target */
    .btn {
        padding: 10px 18px;
        min-height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .btn-sm {
        padding: 6px 10px;
        min-height: 36px;
    }

    /* Server rail becomes horizontal strip at top on mobile */
    .server-rail {
        width: 100%;
        min-width: unset;
        height: 48px;
        min-height: 48px;
        flex-direction: row;
        padding: 4px 8px;
        gap: 6px;
        overflow-x: auto;
        overflow-y: hidden;
        border-right: none;
        border-bottom: 1px solid var(--border);
        /* Hide scrollbar on mobile server rail */
        -ms-overflow-style: none;
        scrollbar-width: none;
    }

    .server-rail::-webkit-scrollbar {
        display: none;
    }

    .server-icon {
        width: 36px;
        height: 36px;
        min-width: 36px;
        font-size: 14px;
    }

    /* Hide the left-side indicator pip on mobile horizontal rail */
    .server-icon.active::before,
    .server-icon:hover:not(.active)::before {
        display: none;
    }

    /* Active indicator: bottom border on mobile */
    .server-icon.active::after {
        content: '';
        position: absolute;
        bottom: -4px;
        left: 50%;
        transform: translateX(-50%);
        width: 60%;
        height: 3px;
        background: var(--text-primary);
        border-radius: 3px 3px 0 0;
    }

    .server-rail-divider {
        width: 2px;
        height: 24px;
        min-width: 2px;
    }

    /* Mobile hamburger button visual treatment */
    .mobile-nav-toggle {
        padding: 8px 12px;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* Mobile members toggle: larger touch target */
    .mobile-members-toggle {
        min-height: 44px;
        padding: 8px 10px;
        font-size: 14px;
    }

    /* Welcome screen mobile adjustments */
    .welcome-screen {
        padding: 12px;
        align-items: flex-start;
        padding-top: 24px;
    }

    .welcome-card {
        padding: 24px 20px;
        border-radius: 12px;
    }

    .welcome-card h1 {
        font-size: 24px;
    }

    .welcome-card .tagline {
        font-size: 14px;
        margin-bottom: 24px;
    }

    .welcome-options {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .welcome-option {
        padding: 20px;
    }

    .welcome-option input {
        font-size: 16px; /* prevent iOS zoom */
        padding: 12px 14px;
    }

    .welcome-invite-input {
        font-size: 13px;
        height: 100px; /* more room on mobile for paste */
    }

    .welcome-peer-id .peer-id-text {
        font-size: 10px;
    }

    /* Pinned panel: full width on mobile */
    .pinned-panel {
        max-height: 240px;
    }

    .pinned-header {
        padding: 8px 12px;
    }

    .pinned-item {
        padding: 8px 10px;
    }

    /* Typing indicator: compact on mobile */
    .typing-indicator {
        padding: 2px 10px;
        font-size: 11px;
        height: 20px;
        min-height: 20px;
        max-height: 20px;
    }

    /* Voice controls: larger touch targets */
    .voice-controls {
        padding: 10px 12px;
    }

    .voice-btn {
        padding: 8px 12px;
        font-size: 18px;
        min-width: 44px;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 8px;
    }

    /* Voice channel items: larger touch targets */
    .voice-channel {
        padding: 10px 12px;
        min-height: 44px;
    }

    /* Permission toggles: stack on mobile */
    .permission-toggles {
        gap: 8px 12px;
    }

    .permission-toggle {
        min-height: 36px;
        padding: 4px 0;
    }

    /* Scroll-to-bottom pill: centered on mobile */
    .scroll-to-bottom {
        right: 50%;
        transform: translateX(50%);
        bottom: 12px;
    }

    .scroll-to-bottom:hover {
        transform: translateX(50%) translateY(-2px);
    }

    /* Role assign: stack on small screens */
    .role-assign {
        flex-wrap: wrap;
    }

    .role-assign-input {
        min-width: 0;
        flex: 1 1 auto;
    }

    /* Channel type toggle: larger buttons on mobile */
    .type-btn {
        padding: 8px 10px;
        font-size: 13px;
        min-height: 40px;
    }

    /* Member actions always visible on mobile */
    .member-actions {
        display: flex;
    }

    /* Member items: larger touch targets */
    .member-item {
        padding: 8px;
        min-height: 40px;
    }
}

/* ── Extra small screens (< 380px) ──────────────────────────────── */

@media (max-width: 380px) {
    .welcome-card {
        padding: 20px 16px;
    }

    .welcome-card h1 {
        font-size: 22px;
    }

    .welcome-option {
        padding: 16px;
    }

    .channel-header {
        font-size: 14px;
    }

    .settings-panel {
        padding: 12px;
    }
}

/* ── Welcome / Onboarding Screen ─────────────────────────────────── */

.welcome-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    min-height: 100dvh;
    padding: 20px;
    /* Animated subtle radial gradient background */
    background:
        radial-gradient(ellipse at 20% 50%, var(--accent-glow) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(59, 165, 92, 0.06) 0%, transparent 50%),
        var(--bg-main);
    animation: welcomeGlow 8s ease-in-out infinite alternate;
}

@keyframes welcomeGlow {
    0% {
        background:
            radial-gradient(ellipse at 20% 50%, var(--accent-glow) 0%, transparent 50%),
            radial-gradient(ellipse at 80% 50%, rgba(59, 165, 92, 0.06) 0%, transparent 50%),
            var(--bg-main);
    }
    50% {
        background:
            radial-gradient(ellipse at 30% 40%, var(--accent-glow) 0%, transparent 55%),
            radial-gradient(ellipse at 70% 60%, rgba(59, 165, 92, 0.08) 0%, transparent 55%),
            var(--bg-main);
    }
    100% {
        background:
            radial-gradient(ellipse at 25% 55%, var(--accent-glow) 0%, transparent 50%),
            radial-gradient(ellipse at 75% 45%, rgba(59, 165, 92, 0.06) 0%, transparent 50%),
            var(--bg-main);
    }
}

.welcome-card {
    background: var(--bg-sidebar);
    border-radius: 16px;
    padding: 48px;
    max-width: 720px;
    width: 100%;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    position: relative;
    /* Subtle glow border effect */
    background-image: linear-gradient(var(--bg-sidebar), var(--bg-sidebar)),
        linear-gradient(135deg, var(--accent-glow), transparent 40%, transparent 60%, rgba(59, 165, 92, 0.1));
    background-origin: border-box;
    background-clip: padding-box, border-box;
    animation: cardFadeIn 0.4s ease-out;
}

@keyframes cardFadeIn {
    from { opacity: 0; transform: translateY(12px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.welcome-card h1 {
    font-size: 32px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    text-align: center;
    letter-spacing: -0.03em;
}

.welcome-card .tagline {
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 36px;
    font-size: 15px;
    letter-spacing: -0.01em;
}

.welcome-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.welcome-option {
    background: var(--bg-main);
    border-radius: 12px;
    padding: 24px;
    border: 1px solid var(--border);
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal), transform var(--transition-normal);
}

.welcome-option:hover {
    border-color: var(--border);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

/* Create option -- accent blue tint on hover */
.welcome-option:first-child:hover {
    border-color: rgba(88, 101, 242, 0.3);
}

/* Join option -- green tint on hover */
.welcome-option:last-child:hover {
    border-color: rgba(59, 165, 92, 0.3);
}

.welcome-option h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
    letter-spacing: -0.01em;
}

/* Create option heading -- accent color */
.welcome-option:first-child h2 {
    color: var(--accent);
}

/* Join option heading -- green color */
.welcome-option:last-child h2 {
    color: var(--accent-green);
}

.welcome-option label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.welcome-option input {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 14px;
    margin-bottom: 12px;
    outline: none;
    font-family: inherit;
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.welcome-option input:focus {
    border-color: var(--accent);
    box-shadow: var(--focus-ring);
}

.welcome-option input::placeholder {
    color: var(--text-placeholder);
}

.welcome-invite-input {
    width: 100%;
    height: 80px;
    padding: 10px 14px;
    background: var(--bg-server-rail);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 12px;
    outline: none;
    resize: none;
    margin-bottom: 12px;
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
    user-select: all;
}

.welcome-invite-input:focus {
    border-color: var(--accent);
    box-shadow: var(--focus-ring);
}

.welcome-invite-input::placeholder {
    color: var(--text-placeholder);
}

.welcome-btn {
    width: 100%;
}

/* Join option -- green button instead of blue */
.welcome-option:last-child .btn-primary {
    background: var(--accent-green);
    box-shadow: 0 1px 3px rgba(59, 165, 92, 0.3);
}

.welcome-option:last-child .btn-primary:hover {
    background: var(--accent-green-hover);
    box-shadow: 0 2px 8px rgba(59, 165, 92, 0.4);
}

.welcome-status {
    background: var(--accent-subtle);
    color: var(--accent);
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 12px;
    font-size: 13px;
    font-weight: 500;
    border-left: 3px solid var(--accent);
    animation: slideDown 0.15s ease-out;
}

.welcome-status-error {
    color: var(--danger);
    border-left-color: var(--danger);
    background: var(--danger-glow);
    animation: errorShake 0.3s ease-out;
}

@keyframes errorShake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-4px); }
    75% { transform: translateX(4px); }
}

.welcome-hint {
    color: var(--text-muted);
    font-size: 12px;
    margin: -4px 0 8px;
    line-height: 1.5;
}

.welcome-peer-id {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 10px 14px;
    margin-bottom: 16px;
    transition: border-color var(--transition-normal);
    cursor: text;
}

.welcome-peer-id:hover {
    border-color: var(--accent);
}

.join-profile-step {
    margin-top: 8px;
    animation: slideDown 0.2s ease-out;
}

.join-profile-buttons {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-top: 12px;
}

.join-profile-buttons .welcome-btn {
    flex: 1;
}

.welcome-peer-id .peer-id-text {
    flex: 1;
    font-size: 11px;
    color: var(--text-secondary);
    word-break: break-all;
    user-select: all;
}

/* ── Pinned messages panel ─────────────────────────────────────── */

.pinned-panel {
    background: var(--bg-sidebar);
    border-bottom: 1px solid var(--border);
    max-height: 300px;
    overflow-y: auto;
    animation: pinnedSlideDown 0.2s ease-out;
}

@keyframes pinnedSlideDown {
    from { max-height: 0; opacity: 0; }
    to { max-height: 300px; opacity: 1; }
}

.pinned-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: var(--bg-sidebar);
    z-index: 1;
}

.pinned-header h3 {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    margin: 0;
}

.pinned-list {
    padding: 8px;
}

.pinned-item {
    background: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 12px;
    margin-bottom: 8px;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.pinned-item:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-sm);
}

.pinned-item:last-child {
    margin-bottom: 0;
}

.pinned-meta {
    margin-bottom: 4px;
}

.pinned-author {
    font-weight: 600;
    font-size: 13px;
    color: var(--author-local);
}

.pinned-body {
    font-size: 13px;
    line-height: 1.4;
    color: var(--text-primary);
    margin-bottom: 8px;
    max-height: 80px;
    overflow: hidden;
    position: relative;
}

/* Fade out overflow text */
.pinned-body::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 20px;
    background: linear-gradient(transparent, var(--bg-main));
    pointer-events: none;
}

.pinned-body .message-link {
    color: var(--accent);
}

.pinned-jump {
    font-size: 11px;
    font-weight: 600;
    color: var(--accent);
    background: var(--accent-subtle);
    padding: 4px 10px;
    border-radius: 4px;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.pinned-jump:hover {
    background: var(--accent);
    color: white;
}

.pinned-toggle {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 16px;
    cursor: pointer;
    padding: 6px 8px;
    border-radius: 6px;
    transition: color var(--transition-fast), background var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
    min-width: 32px;
    min-height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.pinned-toggle:hover {
    color: var(--text-primary);
    background: var(--bg-input);
}

/* ── Voice Controls ──────────────────────────────────────────────── */

.voice-controls {
    padding: 10px 12px;
    background: var(--accent-green-glow);
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    border-radius: 0;
    position: relative;
}

/* Connected state: subtle green glow */
.voice-controls::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, var(--accent-green-glow), transparent);
    pointer-events: none;
    border-radius: inherit;
}

.voice-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--online);
    font-weight: 600;
    position: relative;
    z-index: 1;
}

.voice-channel-name {
    color: var(--text-secondary);
    font-weight: 400;
}

.voice-buttons {
    display: flex;
    gap: 4px;
    position: relative;
    z-index: 1;
}

.voice-btn {
    background: var(--bg-input);
    border: 1px solid var(--border);
    font-size: 16px;
    padding: 6px 10px;
    border-radius: 6px;
    cursor: pointer;
    transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
    color: var(--text-secondary);
    -webkit-tap-highlight-color: transparent;
}

.voice-btn:hover {
    background: var(--bg-message-hover);
    border-color: var(--text-muted);
}

.voice-btn.muted, .voice-btn.deafened {
    color: var(--danger);
    border-color: var(--danger);
    background: var(--danger-glow);
    box-shadow: 0 0 8px var(--danger-glow);
}

.voice-btn.disconnect {
    color: var(--danger);
    border-color: var(--danger);
}

.voice-btn.disconnect:hover {
    background: var(--danger-glow);
    box-shadow: 0 0 8px var(--danger-glow);
}

/* Voice channel in sidebar */
.voice-channel {
    padding: 7px 12px;
    cursor: pointer;
    color: var(--text-muted);
    border-radius: 6px;
    transition: background var(--transition-fast), color var(--transition-fast);
    margin-left: 4px;
    -webkit-tap-highlight-color: transparent;
}

.voice-channel:hover {
    background: var(--bg-message-hover);
    color: var(--text-secondary);
}

.voice-channel-header {
    display: flex;
    align-items: center;
    gap: 6px;
}

.voice-channel-icon {
    font-size: 14px;
}

.voice-channel-name-sidebar {
    font-size: 14px;
}

.voice-participants-list {
    padding-left: 24px;
    margin-top: 4px;
}

.voice-participant {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 2px 0;
    font-size: 12px;
    color: var(--text-secondary);
}

.voice-participant .status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--online);
}

/* ── Selection highlight (for tap-to-select-all on peer ID) ─────── */

::selection {
    background: var(--accent-glow);
    color: var(--text-primary);
}

::-moz-selection {
    background: var(--accent-glow);
    color: var(--text-primary);
}

/* ── Reduced Motion ──────────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}