/* ============================================
   Server Sidebar Layout System
   ============================================ */

/* --- CSS Variables for sidebar theming --- */
/* Derived from existing theme variables for consistency */
:root {
    --sidebar-bg: var(--bg-color);
    --sidebar-icon-bg: var(--fieldset-bg);
    --sidebar-icon-hover: var(--tab-hover-bg);
    --sidebar-icon-selected: var(--primary-color);
    --sidebar-text: var(--tab-text);
    --sidebar-width-collapsed: 60px;
    --sidebar-width-expanded: 300px;
    --settings-panel-width: 520px;
}

/* --- App shell always owns the page when this stylesheet is present --- */
body {
    padding: 0;
    margin: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* --- App Header Bar: logo + subtabs in one row --- */
.app-header-bar {
    display: flex;
    flex-shrink: 0;
    border-bottom: 1px solid var(--border-color);
    background: var(--header-bg);
    box-shadow: 0 10px 28px color-mix(in srgb, var(--video-bg) 16%, transparent);
}

/* --- App Logo: spans sidebar area only --- */
.app-logo {
    font-family: 'Russo One', sans-serif;
    font-size: 14px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: transparent;
    margin: 0;
    padding: 6px 16px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    border-right: 1px solid var(--border-color);
    line-height: 1;
    text-align: left;
    width: calc(20% + var(--sidebar-width-collapsed) * 0.8);
    box-sizing: border-box;
    flex-shrink: 0;
    position: relative;
}

.app-logo-wordmark {
    display: block;
    font: inherit;
    letter-spacing: inherit;
    text-transform: inherit;
    color: inherit;
}

/* --- App Layout: flex row with sidebar + main --- */
.app-layout {
    display: flex;
    flex-direction: row;
    flex: 1;
    width: 100%;
    overflow: hidden;
    background: var(--shell-bg);
    border: none;
}

/* --- Server Sidebar --- */
#serverSidebar {
    display: flex;
    flex-direction: row;
    width: 0;
    min-width: 0;
    background: linear-gradient(180deg, color-mix(in srgb, var(--sidebar-bg) 86%, var(--primary-color) 14%), color-mix(in srgb, var(--sidebar-bg) 92%, var(--mention-self-color) 8%));
    transition: width 0.25s ease, min-width 0.25s ease;
    overflow: hidden;
    flex-shrink: 0;
    z-index: 100;
}

#serverSidebar.expanded {
    width: calc(var(--sidebar-width-expanded) - var(--sidebar-width-collapsed));
    min-width: calc(var(--sidebar-width-expanded) - var(--sidebar-width-collapsed));
}

/* --- Icon Strip (always visible, narrow column) --- */
.server-icon-strip {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: var(--sidebar-width-collapsed);
    min-width: var(--sidebar-width-collapsed);
    padding: 8px 0;
    gap: 8px;
    background:
        linear-gradient(180deg, color-mix(in srgb, var(--sidebar-bg) 82%, var(--primary-color) 18%), color-mix(in srgb, var(--sidebar-bg) 90%, var(--mention-self-color) 10%));
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    overflow-x: hidden;
    box-shadow: inset -1px 0 0 color-mix(in srgb, var(--accent-gradient-end) 22%, transparent);
}

/* --- Server Icon --- */
.server-icon-item {
    position: relative;
    width: 44px;
    height: 44px;
    border: 1px solid transparent;
    border-radius: 50% !important;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--sidebar-icon-bg);
    cursor: pointer;
    transition: background 0.2s ease, transform 0.15s ease;
    font-size: 18px;
    font-weight: 600;
    color: var(--sidebar-text);
    flex-shrink: 0;
    overflow: hidden;
}

.server-icon-item:hover {
    background: color-mix(in srgb, var(--sidebar-icon-hover) 74%, transparent);
    transform: scale(1.05);
    border-color: color-mix(in srgb, var(--accent-gradient-end) 22%, transparent);
}

.server-icon-item.selected {
    background: linear-gradient(var(--accent-weak-bg), var(--accent-weak-bg)), var(--accent-gradient);
    background-origin: border-box;
    background-clip: padding-box, border-box;
    color: var(--text-color);
    box-shadow: inset 3px 0 0 var(--accent-gradient-end);
}

.server-icon-letter {
    pointer-events: none;
}

.server-icon-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
}

/* --- Connection status dot on server icon --- */
.server-status-dot {
    position: absolute;
    bottom: 2px;
    right: 2px;
    width: 10px;
    height: 10px;
    border-radius: 50% !important;
    border: 2px solid var(--sidebar-bg);
    background: var(--status-text-color);
}

.server-icon-item.status-connected .server-status-dot {
    background: var(--status-online);
}

.server-icon-item.status-connecting .server-status-dot {
    background: var(--status-connecting);
    animation: pulse-dot 1s infinite;
}

.server-icon-item.status-disconnected .server-status-dot {
    background: var(--status-text-color);
}

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

/* --- Add Server Button --- */
.server-add-btn {
    width: 44px;
    height: 44px;
    border-radius: 50% !important;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 2px dashed var(--border-color);
    cursor: pointer;
    color: var(--sidebar-text);
    font-size: 20px;
    font-weight: 400;
    transition: all 0.2s ease;
    padding: 0;
    flex-shrink: 0;
    opacity: 0.6;
    overflow: hidden;
}

.server-add-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: color-mix(in srgb, var(--primary-color) 12%, transparent);
    opacity: 1;
}

.server-channel-manage-btn {
    width: 44px;
    height: 44px;
    border-radius: 50% !important;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--sidebar-text);
    font-size: 18px;
    transition: all 0.2s ease;
    padding: 0;
    flex-shrink: 0;
    opacity: 0.6;
    overflow: hidden;
}

.server-channel-manage-btn:hover {
    color: var(--primary-color);
    background: color-mix(in srgb, var(--tab-hover-bg) 76%, transparent);
    opacity: 1;
}

/* --- Gear Button (bottom of sidebar) --- */
.server-gear-btn {
    width: 44px;
    height: 44px;
    border-radius: 50% !important;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--sidebar-text);
    font-size: 18px;
    transition: all 0.2s ease;
    margin-top: auto;
    padding: 8px 0 0;
    flex-shrink: 0;
    opacity: 0.6;
    overflow: hidden;
}

.server-gear-btn:hover {
    color: var(--primary-color);
    background: color-mix(in srgb, var(--tab-hover-bg) 76%, transparent);
    opacity: 1;
}

/* --- Expanded Panel (details area, right of icon strip) --- */
.server-sidebar-expanded {
    flex: 1;
    display: none;
    flex-direction: column;
    background:
        radial-gradient(circle at top right, color-mix(in srgb, var(--primary-color) 10%, transparent) 0%, transparent 28%),
        linear-gradient(180deg, color-mix(in srgb, var(--fieldset-bg) 92%, var(--primary-color) 8%), color-mix(in srgb, var(--fieldset-bg) 88%, var(--mention-self-color) 12%));
    padding: 16px;
    overflow-y: auto;
    overflow-x: hidden;
    min-width: 0;
}

#serverSidebar.expanded .server-sidebar-expanded {
    display: flex;
}

/* --- Expanded panel content styles --- */
.expanded-server-header {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.expanded-server-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
    padding-right: 24px;
}

.expanded-server-host {
    font-size: 12px;
    color: var(--sidebar-text);
    opacity: 0.7;
}

/* Close button (collapses the expanded panel) */
.server-close-btn {
    position: absolute;
    top: 0;
    right: 0;
    width: 24px;
    height: 24px;
    background: transparent;
    border: none;
    color: var(--sidebar-text);
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    opacity: 0.5;
    transition: opacity 0.2s, color 0.2s;
}

.server-close-btn:hover {
    opacity: 1;
    color: var(--text-color);
}

/* --- Expanded status indicator --- */
.expanded-server-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 500;
    color: var(--sidebar-text);
    margin-bottom: 12px;
    padding: 4px 12px;
    background: color-mix(in srgb, var(--sidebar-bg) 82%, var(--primary-color) 18%);
    border: 1px solid var(--border-color);
}

.expanded-server-status .server-status-dot {
    position: static;
    width: 8px;
    height: 8px;
    border: none;
}

.expanded-server-status.status-connected .server-status-dot { background: var(--status-online); }
.expanded-server-status.status-connecting .server-status-dot { background: var(--status-connecting); animation: pulse-dot 1s infinite; }
.expanded-server-status.status-disconnected .server-status-dot { background: var(--status-text-color); }

.server-reconnect-btn {
    display: none;
    width: 100%;
    padding: 8px 12px;
    margin-bottom: 12px;
    background: var(--primary-color);
    color: var(--text-on-primary);
    border: none;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
}

.server-reconnect-btn:hover {
    background: var(--primary-hover);
}

.server-disconnect-btn {
    display: none;
    width: 100%;
    padding: 8px 12px;
    margin-bottom: 12px;
    background: transparent;
    color: var(--secondary-color);
    border: 1px solid var(--secondary-color);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
}

.server-disconnect-btn:hover {
    background: var(--hover-bg);
    border-color: var(--text-color);
    color: var(--text-color);
}

/* --- Auth area in expanded panel --- */
.expanded-auth-area {
    margin-top: 4px;
    border-top: 1px solid var(--border-color);
    padding-top: 12px;
}

.expanded-auth-area #fs_auth {
    border: none;
    padding: 0;
    margin: 0;
    background: transparent;
}

.expanded-auth-area #fs_auth legend {
    display: none;
}

/* User status: compact column layout for sidebar */
.expanded-auth-area .user-status {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 0;
    border: none;
    margin-bottom: 0;
    background: transparent;
}

.expanded-auth-area .user-info {
    gap: 8px;
}

.expanded-auth-area .user-avatar {
    width: 28px;
    height: 28px;
    min-width: 28px;
    font-size: 12px;
}

/* User details: use block flow so name + edit sit inline, email wraps below */
.expanded-auth-area .user-details {
    display: block;
}

.expanded-auth-area .user-details span:first-child {
    font-size: 13px;
}

.expanded-auth-area .user-email {
    display: none;
}

/* Edit display name button — inline, small, subtle */
.expanded-auth-area #btn_editDisplayName {
    display: inline;
    padding: 1px 6px;
    font-size: 10px;
    background: transparent;
    color: var(--secondary-color);
    border: 1px solid var(--border-color);
    vertical-align: middle;
    margin-left: 4px;
}

.expanded-auth-area #btn_editDisplayName:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Logout button — matches Disconnect button (secondary outlined) */
.expanded-auth-area #btn_logout {
    width: 100%;
    background: transparent;
    color: var(--secondary-color);
    border: 1px solid var(--secondary-color);
    font-size: 13px;
    font-weight: 600;
    padding: 8px 12px;
    transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.expanded-auth-area #btn_logout:hover {
    background: var(--hover-bg);
    border-color: var(--text-color);
    color: var(--text-color);
}

/* Auth forms: compact for sidebar */
.expanded-auth-area .auth-form label {
    font-size: 12px;
}

.expanded-auth-area .auth-form input {
    font-size: 13px;
    padding: 6px 8px;
}

.expanded-auth-area .auth-form .input-group {
    margin-bottom: 8px;
}

.expanded-auth-area .auth-form .button-group {
    gap: 8px;
}

.expanded-auth-area .auth-form button {
    font-size: 12px;
    padding: 6px 12px;
}

.expanded-auth-area .auth-links {
    font-size: 11px;
    margin-top: 8px;
}

/* --- Panel footer with remove server --- */
.expanded-panel-footer {
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

.server-edit-btn {
    width: 100%;
    padding: 8px 12px;
    margin-bottom: 8px;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.server-edit-btn:hover {
    background: var(--hover-bg);
    border-color: var(--text-color);
}

/* Destructive tier — danger-colored text, subtle hover */
.server-remove-btn {
    width: 100%;
    padding: 8px 12px;
    background: transparent;
    border: none;
    color: var(--error-color);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s, background-color 0.2s;
}

.server-remove-btn:hover {
    opacity: 1;
    background: color-mix(in srgb, var(--error-color) 8%, transparent);
}

.server-remove-btn.confirming {
    opacity: 1;
    background: color-mix(in srgb, var(--error-color) 12%, transparent);
}

/* --- Add Server Form in expanded panel --- */
.add-server-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.add-server-form .input-group {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
}

.add-server-form .input-group label {
    flex-basis: auto;
    text-align: left;
    font-size: 13px;
    color: var(--sidebar-text);
}

.add-server-form .input-group input {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--text-color);
    padding: 8px 10px;
    font-size: 14px;
}

.add-server-form .input-group input:focus {
    border-color: transparent;
    outline: none;
    background-image: linear-gradient(var(--input-bg), var(--input-bg)), var(--accent-gradient);
    background-origin: border-box;
    background-clip: padding-box, border-box;
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary-color) 18%, transparent);
}

.add-server-form .button-group {
    margin-top: 4px;
}

/* --- Auth forms within sidebar --- */
#sidebarAuthArea {
    margin-top: 8px;
}

#sidebarAuthArea fieldset {
    border: none;
    padding: 0;
    margin: 0;
    background: transparent;
}

#sidebarAuthArea legend {
    display: none;
}

#sidebarAuthArea .input-group {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
}

#sidebarAuthArea .input-group label {
    flex-basis: auto;
    text-align: left;
    font-size: 13px;
    color: var(--sidebar-text);
}

#sidebarAuthArea input[type="text"],
#sidebarAuthArea input[type="email"],
#sidebarAuthArea input[type="password"],
#sidebarAuthArea input[type="number"] {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--text-color);
}

#sidebarAuthArea input:focus {
    border-color: transparent;
    background-image: linear-gradient(var(--input-bg), var(--input-bg)), var(--accent-gradient);
    background-origin: border-box;
    background-clip: padding-box, border-box;
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary-color) 18%, transparent);
}

#sidebarAuthArea .user-status {
    padding: 0;
    border: none;
    background: transparent;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    margin-bottom: 0;
}

#sidebarAuthArea .user-avatar {
    width: 28px;
    height: 28px;
    min-width: 28px;
    font-size: 12px;
}

#sidebarAuthArea .user-details span:first-child {
    color: var(--text-color);
}

#sidebarAuthArea .user-email {
    display: none;
}

#sidebarAuthArea .auth-links a {
    color: var(--sidebar-text);
}

#sidebarAuthArea .checkbox-label {
    color: var(--sidebar-text);
}

/* --- Main Content Area --- */
#mainContent {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    overflow: hidden;
    background-color: var(--fieldset-bg);
}

/* Chat view fills the main content */
#chatView {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Ensure chat container fills chatView */
#chatView .chat-container {
    flex: 1;
    height: 100%;
}

#chatView .chat-main-layout {
    height: 100%;
}

/* Hide the old tab-content display toggling; chatTab is always visible */
#chatView #chatTab {
    display: flex !important;
    flex: 1;
    border: none;
    height: 100%;
    padding: 0;
}

/* ============================================
   Settings Panel (Slide-out from left)
   ============================================ */

#settingsPanelBackdrop {
    position: fixed;
    inset: 0;
    background: var(--overlay-scrim);
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
}

#settingsPanelBackdrop.visible {
    opacity: 1;
    visibility: visible;
}

#settingsPanel {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--settings-panel-width);
    max-width: 90vw;
    height: 100vh;
    background: var(--fieldset-bg);
    border-right: 1px solid var(--border-color);
    z-index: 250;
    display: flex;
    flex-direction: column;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    overflow: hidden;
}

#settingsPanel.open {
    transform: translateX(0);
}

/* --- Settings Panel Header --- */
.settings-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.settings-panel-header h2 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
}

.settings-panel-close {
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: color 0.2s;
}

.settings-panel-close:hover {
    color: var(--primary-color);
}

/* --- Settings Panel Tabs --- */
.settings-panel-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.settings-tab-btn {
    flex: 1;
    padding: 12px 16px;
    border: none;
    background: transparent;
    color: var(--status-text-color);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    border-bottom: 3px solid transparent;
    transition: all 0.2s ease;
}

.settings-tab-btn:hover {
    background: var(--tab-hover-bg);
    color: var(--text-color);
}

.settings-tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* --- Settings Panel Body --- */
.settings-panel-body {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 16px 20px;
}

/* --- Settings Panel Content Overrides --- */
/* Make fieldsets fit within the panel without causing horizontal overflow */
#settingsPanel fieldset {
    width: 100%;
    box-sizing: border-box;
}

#settingsPanel .input-group {
    flex-wrap: wrap;
}

#settingsPanel .input-group label {
    flex-basis: auto;
    text-align: left;
    min-width: 0;
}

#settingsPanel .input-group input,
#settingsPanel .input-group select {
    min-width: 0;
    width: 100%;
}

#settingsPanel .settings-checkbox-row {
    align-items: center;
}

#settingsPanel .settings-checkbox-row label {
    flex: 1 1 auto;
}

#settingsPanel .settings-checkbox-row input[type="checkbox"] {
    width: auto;
    flex: 0 0 auto;
    margin: 0;
    align-self: center;
}

#settingsPanel .settings-slider-row input[type="range"] {
    width: 100%;
}

#settingsPanel .button-group {
    flex-wrap: wrap;
}

.settings-kv-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 6px 0;
    border-bottom: 1px solid color-mix(in srgb, var(--border-color) 70%, transparent);
}

.settings-kv-row span {
    color: var(--text-light);
    font-size: 13px;
}

.settings-kv-row strong {
    color: var(--text-color);
    font-size: 13px;
    font-weight: 600;
    text-align: right;
    overflow-wrap: anywhere;
}

.app-update-actions {
    margin-top: 12px;
}

.app-update-banner {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 500;
    display: none;
    align-items: center;
    gap: 10px;
    max-width: min(420px, calc(100vw - 40px));
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--fieldset-bg);
    color: var(--text-color);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.28);
}

.app-update-banner.visible {
    display: flex;
}

.app-update-banner-text {
    flex: 1 1 auto;
    min-width: 0;
    font-size: 13px;
    overflow-wrap: anywhere;
}

/* --- Setting Saved Indicator --- */
.setting-saved {
    animation: setting-saved-flash 1s ease-out;
}

@keyframes setting-saved-flash {
    0% { background-color: color-mix(in srgb, var(--success-color) 22%, transparent); }
    100% { background-color: transparent; }
}

/* ============================================
   Settings Panel Component Polish
   ============================================ */

/* --- Fieldset legend: section label treatment --- */
#settingsPanel legend {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-light);
    padding: 0 0 8px;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
    width: 100%;
}

#settingsProfileSection .user-status {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    margin-bottom: 0;
    padding: 14px;
    border-radius: 12px;
    background: var(--tab-bg);
}

#settingsProfileSection .user-info {
    align-items: flex-start;
    gap: 14px;
}

#settingsProfileSection .user-avatar {
    width: 52px;
    height: 52px;
    min-width: 52px;
    border-radius: 14px;
    background: var(--accent-gradient);
    font-size: 20px;
}

#settingsProfileSection .user-details {
    display: flex;
    flex: 1;
    min-width: 0;
    flex-direction: column;
    gap: 4px;
}

#settingsProfileSection .user-name-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

#settingsProfileSection #userDisplayName {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
}

#settingsProfileSection .user-profile-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.expanded-auth-area .sidebar-auth-actions {
    margin-top: 12px;
}

/* --- Logging sections: reduced visual weight --- */
#settingsPanel .logging-group {
    margin-bottom: 6px;
}

#settingsPanel .logging-group label {
    font-size: 13px;
    color: var(--text-light);
}

#settingsPanel .logging-group select,
#settingsPanel .logging-group input[type="number"] {
    max-width: 180px;
}

/* --- Button hierarchy in settings --- */
/* Secondary (outlined) button style for settings */
#settingsPanel button.secondary,
#settingsPanel .button-group button {
    background: transparent;
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

#settingsPanel button.secondary:hover,
#settingsPanel .button-group button:hover {
    background: var(--hover-bg);
    border-color: var(--text-light);
}

/* --- Inline style replacements --- */
/* Read-only input with muted background */
.settings-input-readonly {
    cursor: pointer;
    background: var(--hover-bg);
}

/* Muted helper text */
.settings-help-text {
    font-size: 12px;
    color: var(--text-light);
}

/* Very muted status text */
.settings-muted-text {
    font-size: 12px;
    color: var(--status-text-color);
}

.e2ee-identity-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 14px;
    background: var(--error-color);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
}

.e2ee-identity-banner[hidden] {
    display: none;
}

.e2ee-identity-banner-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.e2ee-composer-readiness-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    margin: 0 0 6px;
    padding: 8px 10px;
    border: 1px solid color-mix(in srgb, var(--error-color) 70%, #000 10%);
    background: color-mix(in srgb, var(--error-color) 14%, var(--bg-color));
    color: var(--error-color);
    font-size: 12px;
    font-weight: 600;
}

.e2ee-composer-readiness-banner[hidden] {
    display: none;
}

.e2ee-composer-readiness-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    flex-shrink: 0;
}

.e2ee-readiness-surface {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 8px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.e2ee-readiness-surface h3 {
    margin: 0;
    font-size: 13px;
}

.e2ee-linking-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.e2ee-linking-status {
    font-size: 12px;
    color: var(--status-text-color);
    overflow-wrap: anywhere;
}

.e2ee-linking-status[data-state="error"] {
    color: var(--error-color);
}

.e2ee-linking-toolbar {
    display: flex;
    justify-content: flex-end;
}

.e2ee-linking-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.e2ee-linking-list h3 {
    margin: 0;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-color);
}

.e2ee-linking-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 8px 0;
    border-top: 1px solid var(--border-color);
}

.e2ee-linking-row-details {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.e2ee-linking-row-details strong,
.e2ee-linking-row-details span {
    overflow-wrap: anywhere;
}

.e2ee-linking-row-details span {
    font-size: 12px;
    color: var(--status-text-color);
}

.e2ee-linking-actions {
    flex-shrink: 0;
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    align-items: center;
}

.e2ee-linking-field,
.e2ee-linking-confirmation {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--status-text-color);
    font-size: 12px;
}

.e2ee-linking-field input {
    min-width: 180px;
}

.message-composer-status {
    min-height: 16px;
    margin: 4px 0;
    font-size: 12px;
    color: var(--status-text-color);
}

.message-composer-status[data-state="error"] {
    color: var(--error-color);
}

/* Audio level meter container */
.settings-level-meter {
    position: relative;
    width: 220px;
    height: 10px;
    background: var(--tab-bg);
    overflow: hidden;
}

/* Audio warning text */
.settings-warning-text {
    font-size: 12px;
    color: var(--error-color);
}

/* Flex row utility for input + buttons */
.settings-input-row {
    display: flex;
    gap: 8px;
    align-items: center;
}

.settings-input-row input[type="text"] {
    flex: 1;
}

/* ============================================
   Hidden elements
   ============================================ */

/* Hidden server inputs (synced by ServerSidebarManager) */
#fs_server {
    display: none;
}

/* Connection fieldset removed, but keep hidden for backward compat */
#fs_connection {
    display: none !important;
}

/* Old tab bar removed */
.tabs {
    display: none !important;
}

/* Old container class replaced by app-layout */
.container {
    display: contents;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1200px) {
    .app-logo {
        width: calc(var(--sidebar-width-collapsed) + 240px);
    }
}

@media (max-width: 768px) {
    :root {
        --sidebar-width-collapsed: 50px;
        --sidebar-width-expanded: 260px;
        --settings-panel-width: 100vw;
    }

    .server-icon-item,
    .server-add-btn,
    .server-gear-btn {
        width: 38px;
        height: 38px;
    }
}