:root {
    /* Colors */
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --danger: #dc2626;
    --bg-app: #ffffff;
    --bg-card: #f8fafc;
    --bg-sidebar: #f1f5f9;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --border: #e2e8f0;
    
    /* Bubbles */
    --bubble-user: #2563eb;
    --bubble-user-text: #ffffff;
    --bubble-ai: #f1f5f9;
    --bubble-ai-text: #0f172a;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    
    /* Misc */
    --radius: 12px;
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --transition: all 0.2s ease;
}

[data-theme="dark"] {
    --bg-app: #0f172a;
    --bg-card: #1e293b;
    --bg-sidebar: #1e293b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border: #334155;
    --bubble-ai: #334155;
    --bubble-ai-text: #f8fafc;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

html {
    height: 100%;
}

body {
    background-color: var(--bg-app);
    color: var(--text-main);
    height: 100vh;
    height: 100dvh;
    display: flex;
    overflow: hidden;
}

body.auth-pending #menu-rail,
body.auth-pending #sidebar,
body.auth-pending #main,
body.auth-pending #sidebar-toggle {
    visibility: hidden;
    pointer-events: none;
}

/* Left Menu */
#menu-rail {
    width: 60px;
    flex: 0 0 60px;
    background: var(--bg-sidebar);
    color: var(--text-main);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    z-index: 150;
}

.rail-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    width: 100%;
}

.rail-bottom {
    margin-top: auto;
    width: 100%;
}

.rail-button {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: 10px;
    background: transparent;
    color: var(--text-muted);
    border: 1px solid transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.rail-button:hover,
.rail-button.active {
    background: var(--bg-card);
    color: var(--text-main);
    border-color: var(--border);
}

.rail-primary {
    background: var(--primary);
    color: white;
}

.rail-primary:hover {
    background: var(--primary-hover);
    color: white;
}

.rail-button.profile-lock-active {
    color: #b45309;
    border-color: rgba(245, 158, 11, 0.3);
    background: rgba(245, 158, 11, 0.08);
}

.rail-button.profile-lock-unlocked {
    color: #166534;
    border-color: rgba(34, 197, 94, 0.35);
    background: rgba(34, 197, 94, 0.08);
}

.rail-status {
    position: absolute;
    top: 7px;
    right: 7px;
    width: 9px;
    height: 9px;
    border-radius: 999px;
    border: 2px solid var(--bg-sidebar);
    background: var(--text-muted);
}

.rail-status.ok,
.provider-dot.ok {
    background: #16a34a;
}

.rail-status.error,
.provider-dot.error {
    background: var(--danger);
}

.rail-status.neutral,
.provider-dot.neutral {
    background: var(--text-muted);
}

#sidebar {
    width: 340px;
    min-width: 280px;
    max-width: 560px;
    flex: 0 0 auto;
    background-color: var(--bg-sidebar);
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border);
    position: relative;
}

#sidebar.collapsed {
    display: none;
}

.menu-panel-header {
    min-height: 58px;
    padding: 0 var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
    font-size: 1rem;
    font-weight: 700;
}

.menu-panel-content {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.menu-section {
    display: none;
    flex-direction: column;
    gap: var(--spacing-md);
}

.menu-section.active {
    display: flex;
}

#menu-resizer {
    position: absolute;
    top: 0;
    right: -4px;
    width: 8px;
    height: 100%;
    cursor: col-resize;
    z-index: 30;
}

#menu-resizer::after {
    content: "";
    position: absolute;
    top: 0;
    right: 3px;
    width: 1px;
    height: 100%;
    background: transparent;
}

#menu-resizer:hover::after,
body.resizing-menu #menu-resizer::after {
    background: var(--primary);
}

#chat-search {
    width: 100%;
    padding: 8px 10px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg-app);
    color: var(--text-main);
    font-size: 0.9rem;
}

.tag-filter-bar {
    display: flex;
    gap: var(--spacing-xs);
    overflow-x: auto;
    padding-bottom: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    scrollbar-width: none; /* Hide scrollbar for clean look */
}

.tag-filter-bar::-webkit-scrollbar {
    display: none;
}

.tag-chip {
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-muted);
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition);
    user-select: none;
}

.tag-chip:hover {
    border-color: var(--primary);
    color: var(--text-main);
}

.tag-chip.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.session-tags-preview {
    display: flex;
    gap: 4px;
    margin-top: 4px;
}

.tag-dot {
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: var(--primary);
    opacity: 0.6;
}

.session-item.active .tag-dot {
    background: white;
}

.section-hint {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.section-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.section-toolbar button {
    flex: 1 1 70px;
}

.visually-hidden {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.premium-card {
    border: 2px solid var(--primary);
    border-radius: var(--radius);
    padding: var(--spacing-lg);
    background: linear-gradient(145deg, var(--bg-card) 0%, #eff6ff 100%);
    position: relative;
    overflow: hidden;
}

[data-theme="dark"] .premium-card {
    background: linear-gradient(145deg, var(--bg-card) 0%, #1e3a8a 100%);
}

.premium-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.premium-header h3 {
    margin: 0;
    color: var(--text-main);
    font-size: 1.1rem;
}

.badge {
    background: var(--primary);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    letter-spacing: 0.5px;
}

.premium-features {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-md) 0;
}

.premium-features li {
    font-size: 0.85rem;
    color: var(--text-main);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.profile-card,
.provider-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
}

.profile-avatar {
    width: 56px;
    height: 56px;
    border-radius: 999px;
    flex: 0 0 56px;
    overflow: hidden;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
}

.profile-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-picture-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.profile-identity {
    flex: 1;
    min-width: 0;
}

.provider-card {
    justify-content: space-between;
}

.model-filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.model-filter-chip {
    background: var(--bg-card);
    color: var(--text-muted);
    border: 1px solid var(--border);
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 0.8rem;
    line-height: 1.2;
}

.model-filter-chip:hover {
    background: var(--bg-sidebar);
    color: var(--text-main);
}

.model-filter-chip.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.model-summary-card {
    display: grid;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
}

.model-summary-label {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.model-summary-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-main);
}

.model-summary-meta,
.model-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
}

.model-summary-route,
.model-card-route {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.model-advanced-controls {
    margin-top: var(--spacing-sm);
}

.model-advanced-grid {
    display: grid;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.model-advanced-search {
    min-width: 0;
}

.model-browser-header {
    display: grid;
    gap: 4px;
}

.model-browser-list {
    display: grid;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    max-height: min(52vh, 520px);
    overflow-y: auto;
    padding-right: 2px;
}

.model-card {
    width: 100%;
    text-align: left;
    background: var(--bg-card);
    color: var(--text-main);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--spacing-md);
    display: grid;
    gap: var(--spacing-xs);
}

.model-card:hover {
    background: var(--bg-sidebar);
    border-color: rgba(37, 99, 235, 0.35);
}

.model-card.selected {
    border-color: var(--primary);
    box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.18);
}

.model-card-topline {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-sm);
    align-items: flex-start;
}

.model-card-name {
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.35;
}

.model-card-pricing {
    font-size: 0.82rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.model-card-description {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.45;
}

.model-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 24px;
    padding: 0 8px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--bg-app);
    color: var(--text-muted);
    font-size: 0.72rem;
    font-weight: 700;
}

.model-badge-recommended {
    background: rgba(37, 99, 235, 0.12);
    color: #1d4ed8;
    border-color: rgba(37, 99, 235, 0.22);
}

.model-badge-free {
    background: rgba(22, 163, 74, 0.12);
    color: #15803d;
    border-color: rgba(22, 163, 74, 0.2);
}

.model-badge-cheap {
    background: rgba(245, 158, 11, 0.12);
    color: #b45309;
    border-color: rgba(245, 158, 11, 0.22);
}

.model-badge-paid {
    background: rgba(71, 85, 105, 0.12);
    color: #475569;
    border-color: rgba(71, 85, 105, 0.2);
}

.model-badge-privacy {
    background: rgba(15, 118, 110, 0.12);
    color: #0f766e;
    border-color: rgba(15, 118, 110, 0.18);
}

.model-badge-tools {
    background: rgba(124, 58, 237, 0.12);
    color: #7c3aed;
    border-color: rgba(124, 58, 237, 0.18);
}

.model-badge-fast,
.model-badge-creative,
.model-badge-current,
.model-badge-locked,
.model-badge-unknown {
    background: var(--bg-app);
    color: var(--text-main);
}

@media (min-width: 700px) {
    .model-advanced-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .model-advanced-search {
        grid-column: 1 / -1;
    }
}

.provider-name {
    font-weight: 700;
}

.provider-status-text {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.provider-dot {
    width: 13px;
    height: 13px;
    flex: 0 0 13px;
    border-radius: 999px;
}

.btn-primary-outline {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
    justify-content: center;
    transition: var(--transition);
}

.btn-primary-outline:hover {
    background: var(--primary);
    color: white;
}

.category-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: var(--spacing-md);
    overflow-x: auto;
    padding-bottom: 4px;
}

.category-tabs::-webkit-scrollbar {
    height: 4px;
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.85rem;
    padding: 6px 12px;
    border-radius: 999px;
    cursor: pointer;
    white-space: nowrap;
}

.tab-btn.active {
    background: var(--bg-card);
    color: var(--text-main);
    font-weight: 600;
    border: 1px solid var(--border);
}

.character-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
}

/* Redesigned Character Section */
[data-section-panel="persona"] {
    flex-direction: column;
    height: 100%;
    gap: 0 !important;
    padding: 0 !important; /* Move padding to internal areas */
}

.character-scroll-area {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.character-sticky-footer {
    flex-shrink: 0;
    padding: var(--spacing-md);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border);
    background: var(--bg-sidebar);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    z-index: 10;
}

.btn-hub-primary {
    width: 100%;
    padding: var(--spacing-md);
    background: linear-gradient(145deg, var(--primary) 0%, #3b82f6 100%);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: var(--transition);
    box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.2);
}

.btn-hub-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.4);
    background: linear-gradient(145deg, var(--primary-hover) 0%, var(--primary) 100%);
}

.btn-hub-primary span {
    font-size: 1.2rem;
}

.character-management {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-xs);
    margin-top: 0; /* Reset previous margin */
    padding-top: 0; /* Reset previous padding */
    border-top: none; /* Reset previous border */
}

.character-management .btn-secondary {
    flex: 1;
    font-size: 0.75rem;
    padding: 8px 4px;
    white-space: nowrap;
}

.character-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-card);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.character-card:hover {
    border-color: var(--primary);
}

.rail-button.disabled {
    opacity: 0.4;
    cursor: not-allowed;
    filter: grayscale(1);
}

.rail-button.disabled:hover {
    background: transparent;
    color: var(--text-muted);
    border-color: transparent;
}

.locked-badge {
    font-size: 0.6rem;
    background: var(--text-muted);
    color: white;
    padding: 1px 4px;
    border-radius: 4px;
    margin-left: 4px;
    vertical-align: middle;
}

.locked-input {
    background-color: var(--bg-sidebar) !important;
    color: var(--text-muted) !important;
    cursor: not-allowed;
    border-style: dashed !important;
}

.character-card.active-profile,
.character-card.active-char {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.05);
}

.char-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.char-card-title {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 6px;
}

.char-card-avatar {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    object-fit: cover;
    background: var(--bg-app);
    border: 1px solid var(--border);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1rem;
}

.char-card-meta {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.char-active-dot {
    width: 9px;
    height: 9px;
    border-radius: 999px;
    background: #22c55e;
    box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.14);
    flex: 0 0 9px;
}

.char-card-version {
    font-size: 0.7rem;
    color: var(--text-muted);
    background: var(--bg-app);
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid var(--border);
}

.char-edit-btn {
    border: 1px solid var(--border);
    background: var(--bg-app);
    color: var(--text-main);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 2px 6px;
}

.char-edit-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.char-card-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.3;
}

.char-card-author {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.char-card-badge {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 2px 6px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--bg-app);
    color: var(--text-muted);
}

.char-card-badge.trust-built-in {
    color: #166534;
    border-color: rgba(34, 197, 94, 0.35);
    background: rgba(34, 197, 94, 0.08);
}

.char-card-badge.trust-curated {
    color: #1d4ed8;
    border-color: rgba(37, 99, 235, 0.3);
    background: rgba(37, 99, 235, 0.08);
}

.char-card-badge.trust-community {
    color: #b45309;
    border-color: rgba(245, 158, 11, 0.35);
    background: rgba(245, 158, 11, 0.08);
}

.char-card-badge.trust-local {
    color: #7c3aed;
    border-color: rgba(124, 58, 237, 0.28);
    background: rgba(124, 58, 237, 0.08);
}

.char-card-badge.locked-local {
    color: #b45309;
    border-color: rgba(245, 158, 11, 0.35);
    background: rgba(245, 158, 11, 0.08);
}

.char-card-badge.locked-local.unlocked {
    color: #166534;
    border-color: rgba(34, 197, 94, 0.35);
    background: rgba(34, 197, 94, 0.08);
}

.profile-package-toolbar {
    margin-bottom: var(--spacing-md);
}

.profile-package-toolbar + .btn-hub-primary {
    margin-bottom: var(--spacing-md);
}

.character-image-editor {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.character-image-preview {
    width: 72px;
    height: 72px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-app);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
    font-size: 1.8rem;
}

.character-image-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.character-image-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.info-list div {
    padding: var(--spacing-md);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.info-list span {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.35;
}

.license-panel {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    margin-bottom: var(--spacing-sm);
}

.license-panel strong {
    display: block;
    color: var(--text-main);
}

.license-status {
    display: block;
    color: var(--text-muted);
    font-size: 0.86rem;
    margin-top: 2px;
}

.license-status.licensed {
    color: #16a34a;
    font-weight: 700;
}

.license-status.invalid {
    color: var(--danger);
    font-weight: 700;
}

.license-status.upgrade {
    color: #d97706;
    font-weight: 700;
}

.license-upgrade {
    padding: var(--spacing-sm);
    border: 1px solid rgba(217, 119, 6, 0.28);
    border-radius: var(--radius);
    background: rgba(245, 158, 11, 0.12);
}

.license-upgrade p {
    margin: 0;
}

.license-reminder-dialog {
    max-width: 420px;
}

.license-recovery {
    border-top: 1px solid var(--border);
    padding-top: var(--spacing-sm);
}

.license-recovery summary {
    cursor: pointer;
    color: var(--text-main);
    font-weight: 700;
}

.error-text {
    color: var(--danger) !important;
}

#license-token-input {
    min-height: 74px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-app);
    color: var(--text-main);
    font-size: 0.82rem;
}

.help-link {
    color: var(--primary);
    text-decoration: none;
}

.help-link:hover {
    text-decoration: underline;
}

.tools-group {
    margin-bottom: var(--spacing-md);
}

.group-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-muted);
}

.text-small {
    font-size: 0.75rem;
    font-weight: normal;
}

.integration-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.integration-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
}

.integration-item.smart-tool {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-sm);
}

.integration-item.smart-tool .integration-info {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    flex-direction: row;
}

.integration-info {
    display: flex;
    flex-direction: column;
}

.integration-info strong {
    font-size: 0.9rem;
    color: var(--text-main);
}

.integration-info span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.btn-connect {
    background: var(--bg-app);
    color: var(--primary);
    border: 1px solid var(--primary);
    padding: 4px 12px;
    font-size: 0.85rem;
    border-radius: 999px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-connect:hover {
    background: var(--primary);
    color: white;
}

.btn-connect.connected {
    background: #16a34a;
    color: white;
    border-color: #16a34a;
}

.btn-connect.connected:hover {
    background: #15803d;
}

.btn-connect.expired {
    background: #ca8a04;
    color: white;
    border-color: #ca8a04;
}

.btn-connect.expired:hover {
    background: #a16207;
}

.tool-api-key {
    width: 100%;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.85rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background-color: var(--bg-app);
    color: var(--text-main);
    outline: none;
}

.advanced-accordion {
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    padding: var(--spacing-sm) var(--spacing-md);
}

.advanced-accordion summary {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    list-style: none;
}

.advanced-accordion summary::-webkit-details-marker {
    display: none;
}

.mcp-status-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.mcp-status-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-width: 0;
    font-size: 0.85rem;
    color: var(--text-main);
}

.mcp-status-name {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.mcp-status-dot {
    width: 9px;
    height: 9px;
    flex: 0 0 9px;
    border-radius: 999px;
    background: var(--text-muted);
}

.mcp-status-dot.online {
    background: #16a34a;
}

.mcp-status-dot.offline {
    background: var(--danger);
}

/* Prompt Launcher */
.launcher-hero {
    width: 100%;
    padding: var(--spacing-lg);
    background: linear-gradient(145deg, var(--primary) 0%, var(--primary-hover) 100%);
    color: white;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow);
    text-align: left;
}

.launcher-hero:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.launcher-hero-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.launcher-hero-icon {
    font-size: 1.8rem;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.launcher-hero-text {
    display: flex;
    flex-direction: column;
}

.launcher-hero-text strong {
    font-size: 1.1rem;
    letter-spacing: 0.2px;
}

.launcher-hero-text span {
    font-size: 0.8rem;
    opacity: 0.85;
}

.launcher-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.launcher-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    position: relative;
}

.launcher-card:hover {
    border-color: var(--primary);
    background: var(--bg-app);
    transform: translateX(4px);
    box-shadow: var(--shadow);
}

.launcher-card.disabled {
    opacity: 0.65;
}

.launcher-card-main {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: 0;
    margin: 0;
    background: transparent;
    color: inherit;
    border: none;
    text-align: left;
}

.launcher-card-main:hover,
.launcher-card-main:focus-visible,
.launcher-card-main:disabled {
    background: transparent;
    color: inherit;
}

.launcher-card-icon {
    font-size: 1.25rem;
    width: 32px;
    height: 32px;
    background: var(--bg-sidebar);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.launcher-card-content {
    flex: 1;
    min-width: 0;
    padding-right: 0;
}

.launcher-card-label {
    display: block;
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 2px;
    color: var(--text-main);
}

.launcher-card-preview {
    display: block;
    font-size: 0.78rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.launcher-card-edit {
    margin-left: var(--spacing-xs);
    align-self: flex-start;
    flex-shrink: 0;
}

/* Provider Welcome Modal */
.welcome-provider-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.welcome-provider-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--spacing-md);
    background: var(--bg-app);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
    transition: var(--transition);
}

.welcome-provider-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.welcome-provider-card strong {
    display: block;
    font-size: 1.1rem;
    color: var(--text-main);
}

.welcome-provider-card .btn-primary,
.welcome-provider-card .btn-secondary {
    width: 100%;
    font-size: 0.85rem;
    padding: 8px;
}

@media (max-width: 480px) {
    .welcome-provider-grid {
        grid-template-columns: 1fr;
    }
}

#launcher-shortcuts-empty {
    padding: var(--spacing-md);
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
}

.session-item {
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.9rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
    transition: var(--transition);
}

.session-item:hover {
    background-color: var(--border);
}

.session-item.active {
    background-color: var(--primary);
    color: white;
}

.session-title {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.session-actions {
    display: none;
    gap: 2px;
}

.session-actions.session-actions-always { display: flex !important; }

.session-item:hover .session-actions,
.session-item.active .session-actions {
    display: flex;
}

@media (hover: none), (pointer: coarse) {
    .session-actions {
        display: flex;
    }

    .btn-icon {
        min-width: 28px;
        min-height: 28px;
    }
}

.session-item { position: relative; }

.session-dropdown {
    position: absolute;
    right: 0;
    top: 100%;
    min-width: 160px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    z-index: 100;
    display: none;
}

.session-dropdown.open {
    display: block;
}

.session-dropdown.align-left {
    right: auto;
    left: 0;
}

.session-dropdown-item {
    padding: 8px 12px;
    cursor: pointer;
    font-size: 0.85rem;
    white-space: nowrap;
}
.session-dropdown-item:hover { background: var(--border); }
.session-item.active .session-dropdown-item:hover { background: rgba(255,255,255,0.15); color: white; }

.btn-icon {
    background: transparent;
    border: none;
    padding: 4px;
    cursor: pointer;
    color: var(--text-muted);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.session-item.active .btn-icon {
    color: rgba(255, 255, 255, 0.8);
}

.btn-icon:hover {
    background-color: rgba(0, 0, 0, 0.1);
    color: var(--text-main);
}

.session-item.active .btn-icon:hover {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
}

/* Main Chat Area */
#main {
    flex: 1;
    min-width: 0;
    min-height: 0;
    display: flex;
    flex-direction: column;
    position: relative;
    background-color: var(--bg-app);
}

/* Sidebar Toggle Button */
#sidebar-toggle {
    position: absolute;
    top: 1rem;
    left: 1rem;
    z-index: 20;
    background: var(--bg-card);
    color: var(--text-main);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 40px;
    height: 40px;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow);
    padding: 0;
    transition: opacity 0.2s ease, transform 0.2s ease, background-color 0.2s ease;
}

#sidebar-toggle:hover {
    background-color: var(--border);
}

body.menu-open #sidebar-toggle {
    opacity: 0;
    pointer-events: none;
    transform: translateX(-8px);
}

#chat-messages {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

#chat-input-area {
    flex-shrink: 0;
    padding: var(--spacing-lg);
    padding-bottom: calc(var(--spacing-lg) + env(safe-area-inset-bottom));
    background-color: var(--bg-app);
}

.input-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    gap: var(--spacing-sm);
    background: var(--bg-card);
    padding: var(--spacing-sm);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

textarea {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--text-main);
    resize: none;
    max-height: 200px;
    padding: var(--spacing-sm);
    outline: none;
    font-size: 1rem;
}

#user-input {
    line-height: 1.5;
    padding: 10px;
    overflow-y: hidden;
}

.btn-icon-round {
    background: transparent;
    color: var(--text-muted);
    border: none;
    padding: var(--spacing-sm);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.btn-icon-round:hover {
    background-color: var(--border);
    color: var(--text-main);
}

#mic-btn.listening {
    color: var(--danger);
    background-color: rgba(220, 38, 38, 0.1);
    animation: pulse-red 1.5s infinite;
}

@keyframes pulse-red {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.4); }
    70% { transform: scale(1.05); box-shadow: 0 0 0 10px rgba(220, 38, 38, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(220, 38, 38, 0); }
}

button {
    background-color: var(--primary);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

button:hover {
    background-color: var(--primary-hover);
}

button:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    pointer-events: none;
}

/* Bubbles */
.message-row {
    max-width: 86%;
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-sm);
    align-self: flex-start;
}

.message-row.user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.message-avatar {
    width: 30px;
    height: 30px;
    border-radius: 999px;
    flex: 0 0 30px;
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
}

.message-avatar.user {
    background: var(--primary);
    color: white;
}

.message-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.message {
    max-width: 100%;
    padding: var(--spacing-md);
    border-radius: var(--radius);
    line-height: 1.5;
    word-wrap: break-word;
    white-space: normal;
    position: relative;
}

.message-actions {
    position: absolute;
    bottom: -15px;
    right: 10px;
    display: flex;
    gap: 5px;
    opacity: 0;
    transition: opacity 0.2s;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2px;
    box-shadow: var(--shadow);
}

.message:hover .message-actions {
    opacity: 1;
}

.message.user .message-actions {
    right: auto;
    left: 10px;
}

.msg-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    padding: 4px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.msg-btn:hover {
    color: var(--text-main);
    background: var(--border);
}

.message.user {
    align-self: flex-end;
    background-color: var(--bubble-user);
    color: var(--bubble-user-text);
    border-bottom-right-radius: 2px;
}

.message.ai {
    align-self: flex-start;
    background-color: var(--bubble-ai);
    color: var(--bubble-ai-text);
    border-bottom-left-radius: 2px;
}

/* Auth / Overlay */
#auth-overlay {
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at top, rgba(37, 99, 235, 0.16), transparent 38%),
        linear-gradient(180deg, var(--bg-app) 0%, var(--bg-sidebar) 100%);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.auth-card {
    width: min(440px, 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    padding: calc(var(--spacing-lg) * 1.5);
    border-radius: 24px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.14);
    text-align: center;
}

.auth-card h1 {
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    line-height: 1.05;
}

.auth-mark {
    width: 96px;
    height: 96px;
    border-radius: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px;
    background: rgba(255, 255, 255, 0.02);
    box-shadow: 0 20px 36px rgba(15, 23, 42, 0.12);
}

.auth-mark img {
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 22px;
    object-fit: cover;
}

.auth-status {
    max-width: 30ch;
    color: var(--text-main);
    font-size: 1rem;
    line-height: 1.5;
}

.auth-hint {
    max-width: 34ch;
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.45;
}

#google-login-btn {
    min-height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hidden {
    display: none !important;
}

/* Modal & Settings */
.modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    backdrop-filter: blur(4px);
}

.modal-content {
    background-color: var(--bg-card);
    width: 90%;
    max-width: 500px;
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1);
}

.modal-header {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-muted);
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background-color: var(--bg-app);
    color: var(--text-main);
    outline: none;
}

.form-group textarea {
    flex: none;
    min-height: 180px;
    resize: vertical;
}

.mcp-servers-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.mcp-server-row {
    display: grid;
    grid-template-columns: auto 1fr 1.4fr 1fr 1fr;
    gap: var(--spacing-xs);
    align-items: center;
    padding: var(--spacing-sm);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-app);
}

.mcp-server-row input,
.mcp-server-row select {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.82rem;
    min-width: 0;
}

.mcp-server-row input[type="checkbox"] {
    width: auto;
}

.modal-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.profile-lock-dialog {
    max-width: 560px;
}

.profile-lock-summary {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
}

.profile-lock-summary-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
}

.profile-lock-badge {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 700;
    border: 1px solid var(--border);
    background: var(--bg-app);
    color: var(--text-muted);
}

.profile-lock-badge.locked {
    color: #b45309;
    border-color: rgba(245, 158, 11, 0.35);
    background: rgba(245, 158, 11, 0.08);
}

.profile-lock-badge.unlocked {
    color: #166534;
    border-color: rgba(34, 197, 94, 0.35);
    background: rgba(34, 197, 94, 0.08);
}

.profile-lock-panel {
    border-top: 1px solid var(--border);
    padding-top: var(--spacing-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-main);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background-color: var(--border);
}

.btn-danger {
    background-color: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
}

.btn-danger:hover {
    background-color: rgba(239, 68, 68, 0.1);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Menu Backdrop */
#menu-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 140;
    backdrop-filter: blur(2px);
    transition: opacity 0.3s ease;
}

#menu-backdrop.hidden {
    display: none !important;
}

/* Responsive */
@media (max-width: 768px) {
    body {
        height: 100dvh;
    }

    #menu-rail {
        position: absolute;
        left: -100%;
        top: 0;
        bottom: 0;
        width: 56px;
        flex-basis: 56px;
        padding: 6px;
        z-index: 150;
        transition: left 0.3s ease;
    }

    .rail-button {
        width: 42px;
        height: 42px;
    }

    #main {
        width: 100%;
        height: 100%;
    }

    #sidebar {
        position: absolute;
        left: calc(-100% - 56px);
        top: 0;
        width: min(84vw, 360px) !important;
        max-width: calc(100vw - 56px);
        height: 100%;
        z-index: 150;
        box-shadow: var(--shadow);
        transition: left 0.3s ease;
        border-left: 1px solid var(--border);
    }

    #sidebar.collapsed {
        display: none;
    }

    /* Force visibility when drawer is active on mobile */
    body.menu-open #menu-rail {
        left: 0;
    }

    body.menu-open #sidebar {
        left: 56px;
        display: flex; /* Override collapsed display:none */
    }

    #menu-resizer {
        display: none;
    }

    #sidebar-toggle {
        display: flex;
        position: fixed;
        top: max(1rem, env(safe-area-inset-top));
        left: max(1rem, env(safe-area-inset-left));
        z-index: 160;
    }

    #chat-messages {
        padding: calc(var(--spacing-md) + env(safe-area-inset-top) + 2.75rem) var(--spacing-md) var(--spacing-md);
    }

    #chat-input-area {
        padding: var(--spacing-md);
        padding-bottom: calc(var(--spacing-md) + env(safe-area-inset-bottom));
    }

    .mcp-server-row {
        grid-template-columns: auto 1fr;
    }

    .mcp-server-row input:not([type="checkbox"]),
    .mcp-server-row select {
        grid-column: 2;
    }
}

/* Markdown & Typing Indicator Styles */
.message pre { background: #1e293b; color: #f8fafc; padding: var(--spacing-sm) var(--spacing-md); border-radius: var(--radius); overflow-x: auto; margin: var(--spacing-sm) 0; font-family: monospace; font-size: 0.9em; white-space: pre; }
.message code { background: rgba(128,128,128,0.2); padding: 2px 4px; border-radius: 4px; font-family: monospace; font-size: 0.9em; }
.message pre code { background: transparent; padding: 0; }
.message blockquote { border-left: 3px solid var(--primary); padding-left: var(--spacing-sm); margin: var(--spacing-sm) 0; color: var(--text-muted); }
.message strong { font-weight: bold; }
.message em { font-style: italic; }

.message p {
    margin-top: 0;
    margin-bottom: 0.75rem;
}

.message p:last-of-type, 
.message p:empty {
    margin-bottom: 0;
}

.message ol,
.message ul {
    margin-top: 0.4rem;
    margin-bottom: 0.75rem;
    margin-left: 0;
    padding-inline-start: 1.4rem;
}

.message ol {
    list-style-position: inside;
    padding-inline-start: 0;
}

.message li {
    margin-bottom: 0.3rem;
}

.message li:last-child {
    margin-bottom: 0;
}

/* Table and Heading Styles */
.table-responsive-wrapper {
    width: 100%;
    overflow-x: auto;
    margin: var(--spacing-sm) 0;
    -webkit-overflow-scrolling: touch;
    border-radius: 4px;
    border: 1px solid var(--border);
}

.message table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9em;
    background: var(--bg-app);
    margin: 0;
}

.message th,
.message td {
    padding: 8px 12px;
    border: none;
    border-bottom: 1px solid var(--border);
    border-right: 1px solid var(--border);
    text-align: left;
}

.message th:last-child,
.message td:last-child {
    border-right: none;
}

.message tr:last-child td {
    border-bottom: none;
}

.message th {
    background-color: rgba(0, 0, 0, 0.05);
    font-weight: 700;
}

[data-theme="dark"] .message th {
    background-color: rgba(255, 255, 255, 0.1);
}

.message tr:nth-child(even) {
    background-color: rgba(0, 0, 0, 0.02);
}

[data-theme="dark"] .message tr:nth-child(even) {
    background-color: rgba(255, 255, 255, 0.03);
}

.message h1, .message h2, .message h3, .message h4 {
    margin-top: 1rem;
    margin-bottom: 0.5rem;
    line-height: 1.2;
    color: var(--text-main);
}

.message h1 { font-size: 1.5em; }
.message h2 { font-size: 1.3em; }
.message h3 { font-size: 1.1em; }

.message {
    max-width: 85%;
    padding: var(--spacing-md);
    border-radius: var(--radius);
    line-height: 1.5;
    position: relative;
    word-wrap: break-word; /* Restore fluidity */
    overflow-wrap: break-word;
}

.typing-state { display: inline-flex; align-items: baseline; gap: 4px; }
.typing-label { color: var(--text-muted); font-size: 0.9rem; }
.typing-indicator { display: inline-flex; gap: 2px; font-weight: bold; font-size: 1.2rem; line-height: 1; padding: 0 4px; }
.typing-indicator span { animation: blink 1.4s infinite both; }
.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }
@keyframes blink { 0% { opacity: 0.2; } 20% { opacity: 1; } 100% { opacity: 0.2; } }

.btn-loading {
    animation: pulse-loading 1.5s infinite ease-in-out;
}

@keyframes pulse-loading {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}