/* ========== GLOBAL RESET & VARIABLES ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #0d0d14;
    --bg-secondary: #151520;
    --bg-panel: #1a1a28;
    --bg-card: #1e1e2e;
    --bg-hover: #252538;
    --bg-input: #2a2a3d;
    --border: #2a2a3d;
    --border-focus: #b45309;
    --text-primary: #e4e4e7;
    --text-secondary: #9898a6;
    --text-muted: #6b6b7b;
    --accent: #b45309;
    --accent-hover: #92400e;
    --accent-gradient: linear-gradient(135deg, #92400e, #b45309);
    --danger: #ef4444;
    --success: #22c55e;
    --yellow: #eab308;
    --blue: #3b82f6;
    --radius: 8px;
    --radius-lg: 12px;
    --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

html, body {
    height: 100%;
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow: hidden;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ========== TOP BAR ========== */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 52px;
    padding: 0 16px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    position: relative;
    z-index: 100;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-right: 8px;
}

.logo-img {
    height: 32px;
    width: auto;
    border-radius: 6px;
}

.logo-text {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
}

.main-nav {
    display: flex;
    gap: 4px;
}

.nav-tab {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    border-radius: var(--radius);
    transition: all 0.2s;
    white-space: nowrap;
}

.nav-tab:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.nav-tab.active {
    background: var(--accent);
    color: white;
}

.nav-icon { font-size: 15px; }

.topbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.balance-display {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: default;
}

.balance-label {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 500;
}

.balance-value {
    font-size: 13px;
    font-weight: 700;
    color: var(--success);
}

.balance-value.low {
    color: var(--danger);
}

.btn-translator-toggle {
    padding: 6px 10px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-secondary);
    font-size: 11px;
    font-weight: 700;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
    letter-spacing: 0.5px;
}

.btn-translator-toggle:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ========== TRANSLATOR PANEL ========== */
.translator-panel {
    position: fixed;
    top: 52px;
    right: 0;
    width: 320px;
    height: calc(100vh - 52px);
    background: var(--bg-secondary);
    border-left: 1px solid var(--border);
    z-index: 200;
    display: flex;
    flex-direction: column;
    box-shadow: -4px 0 20px rgba(0,0,0,0.3);
}

.translator-panel.hidden {
    display: none !important;
}

.translator-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}

.translator-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
}

.btn-close-translator {
    width: 28px;
    height: 28px;
    border: none;
    background: var(--bg-hover);
    color: var(--text-secondary);
    border-radius: 50%;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.translator-body {
    flex: 1;
    padding: 16px;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.translator-input {
    min-height: 120px;
    resize: vertical;
}

.translator-output {
    min-height: 120px;
    resize: vertical;
    background: var(--bg-card);
    cursor: default;
}

.translator-swap {
    align-self: center;
    margin-bottom: 8px;
    cursor: pointer;
    font-size: 13px;
}

.translator-btn {
    margin-top: 8px;
    margin-bottom: 4px;
    background: var(--accent-gradient);
}

.translator-actions {
    display: flex;
    gap: 6px;
    margin-top: 8px;
}

.translator-actions .btn-sm {
    flex: 1;
    text-align: center;
}

.btn-settings {
    width: 36px;
    height: 36px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-secondary);
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.btn-settings:hover {
    border-color: var(--accent);
    color: var(--text-primary);
}

/* ========== LAYOUT ========== */
.tab-content {
    display: none;
    height: calc(100vh - 52px);
}

.tab-content.active {
    display: block;
}

.layout {
    display: flex;
    height: 100%;
}

/* ========== SIDEBAR ========== */
.sidebar {
    width: 310px;
    min-width: 310px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    padding: 16px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.panel-section {
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.panel-section:last-of-type {
    border-bottom: none;
}

.section-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    display: block;
}

/* ========== MODEL SELECTOR ========== */
.model-selector {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.model-badge {
    background: var(--accent);
    color: white;
    font-size: 10px;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: 6px;
    white-space: nowrap;
}

.model-name {
    flex: 1;
    font-size: 13px;
    font-weight: 500;
}

.btn-config {
    border: none;
    background: none;
    color: var(--text-muted);
    font-size: 12px;
    cursor: pointer;
    transition: color 0.2s;
    white-space: nowrap;
}

.btn-config:hover {
    color: var(--text-primary);
}

/* ========== INPUTS ========== */
.prompt-input {
    width: 100%;
    min-height: 80px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    padding: 10px 12px;
    font-size: 13px;
    font-family: var(--font);
    resize: vertical;
    transition: border-color 0.2s;
}

.prompt-input:focus {
    outline: none;
    border-color: var(--border-focus);
}

/* Prompt wrapper for mention system */
.prompt-wrapper {
    position: relative;
}

.prompt-wrapper .prompt-input {
    position: relative;
}

.prompt-highlight {
    display: none;
}

.mention-dropdown {
    position: absolute;
    bottom: 100%;
    left: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    max-height: 180px;
    overflow-y: auto;
    z-index: 100;
    min-width: 160px;
    box-shadow: 0 -4px 12px rgba(0,0,0,0.4);
    margin-bottom: 4px;
}

.mention-dropdown.hidden {
    display: none;
}

.mention-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-primary);
    transition: background 0.15s;
}

.mention-item:hover,
.mention-item.selected {
    background: rgba(180, 83, 9, 0.3);
}

.mention-item img {
    width: 28px;
    height: 28px;
    border-radius: 4px;
    object-fit: cover;
}

.mention-item .mention-label {
    color: #60a5fa;
    font-weight: 600;
}

.prompt-sm {
    min-height: 50px;
}

.prompt-actions {
    display: flex;
    gap: 6px;
    margin-top: 6px;
}

.select-input {
    width: 100%;
    padding: 8px 10px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 13px;
    cursor: pointer;
}

.select-input:focus {
    outline: none;
    border-color: var(--border-focus);
}

.select-sm { width: auto; min-width: 120px; }

.form-input {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 13px;
}

.form-input:focus {
    outline: none;
    border-color: var(--border-focus);
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text-secondary);
}

.form-group small {
    display: block;
    margin-top: 4px;
    font-size: 11px;
    color: var(--text-muted);
}

/* ========== BUTTONS ========== */
.btn-sm {
    padding: 6px 12px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-secondary);
    font-size: 12px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.btn-sm:hover {
    border-color: var(--text-muted);
    color: var(--text-primary);
}

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

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

.btn-danger {
    background: var(--danger);
    border-color: var(--danger);
    color: white;
}

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

.btn-generate {
    width: 100%;
    padding: 12px;
    border: none;
    background: var(--accent-gradient);
    color: white;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius);
    cursor: pointer;
    transition: opacity 0.2s;
    margin-top: 8px;
}

.btn-generate:hover {
    opacity: 0.9;
}

.btn-generate:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-generate-vid {
    background: linear-gradient(135deg, #dc2626, #ef4444);
}

.btn-icon {
    width: 32px;
    height: 32px;
    border: none;
    background: rgba(255,255,255,0.1);
    color: white;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-close {
    width: 36px;
    height: 36px;
    border: none;
    background: rgba(255,255,255,0.1);
    color: white;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
}

.btn-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 22px;
    height: 22px;
    border: none;
    background: rgba(0,0,0,0.7);
    color: white;
    border-radius: 50%;
    cursor: pointer;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ========== TOGGLES & GROUPS ========== */
.btn-group {
    display: flex;
    gap: 4px;
}

.btn-toggle {
    padding: 5px 12px;
    border: 1px solid var(--border);
    background: var(--bg-input);
    color: var(--text-secondary);
    font-size: 12px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
}

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

.setting-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 6px 0;
    font-size: 13px;
    color: var(--text-secondary);
}

.range-input {
    width: 100px;
    accent-color: var(--accent);
}

.range-value {
    width: 20px;
    text-align: center;
    font-size: 13px;
    color: var(--accent);
    font-weight: 600;
}

/* ========== GUIDANCE ========== */
.guidance-block {
    margin-bottom: 12px;
}

.guidance-header {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-secondary);
}

.guidance-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.guidance-dot.yellow { background: var(--yellow); }
.guidance-dot.blue { background: var(--blue); }

.character-select-row {
    display: flex;
    gap: 6px;
    align-items: center;
}

.character-select-row .select-input {
    flex: 1;
}

.btn-char-add {
    width: 34px;
    height: 34px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--accent);
    font-size: 18px;
    font-weight: 700;
    border-radius: var(--radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
}

.btn-char-add:hover {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.identity-lock-info {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 6px;
    padding: 6px 8px;
    background: var(--bg-card);
    border-radius: var(--radius);
}

.char-images-preview {
    display: flex;
    gap: 8px;
    margin-top: 8px;
    flex-wrap: wrap;
}

.char-img-thumb {
    position: relative;
    width: 80px;
    height: 80px;
}

.char-img-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 6px;
    border: 2px solid var(--border);
}

.char-img-thumb .char-img-label {
    position: absolute;
    bottom: 2px;
    left: 2px;
    background: var(--accent);
    color: white;
    font-size: 9px;
    padding: 1px 5px;
    border-radius: 3px;
    font-weight: 600;
}

.char-img-thumb .btn-remove {
    top: 2px;
    right: 2px;
    width: 18px;
    height: 18px;
    font-size: 10px;
}

.character-thumbs {
    display: flex;
    gap: 4px;
}

.character-thumbs img {
    width: 36px;
    height: 36px;
    object-fit: cover;
    border-radius: 6px;
}

.lock-badge {
    font-size: 11px;
    color: var(--success);
}

/* ========== DROPZONE ========== */
.dropzone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 16px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s;
    background: var(--bg-input);
}

.dropzone:hover {
    border-color: var(--accent);
}

.dropzone.drag-over {
    border-color: var(--accent);
    background: rgba(124, 58, 237, 0.05);
}

.dropzone-icons {
    display: flex;
    gap: 12px;
    justify-content: center;
    font-size: 18px;
    margin-bottom: 6px;
    color: var(--text-muted);
}

.dropzone p {
    font-size: 13px;
    color: var(--text-secondary);
}

.dropzone small {
    font-size: 11px;
    color: var(--text-muted);
}

.ref-images-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
}

.ref-thumb {
    position: relative;
    width: 60px;
    height: 60px;
}

.ref-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 6px;
    border: 2px solid var(--border);
}

.ref-thumb .ref-label {
    position: absolute;
    bottom: 2px;
    left: 2px;
    background: var(--accent);
    color: white;
    font-size: 9px;
    padding: 1px 4px;
    border-radius: 3px;
}

/* ========== MAIN CONTENT ========== */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Sub-tabs */
.sub-tabs {
    display: flex;
    gap: 4px;
    padding: 10px 16px;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}

.sub-tab {
    padding: 6px 12px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 12px;
    cursor: pointer;
    border-radius: var(--radius);
    transition: all 0.2s;
    white-space: nowrap;
}

.sub-tab:hover {
    color: var(--text-secondary);
    background: var(--bg-hover);
}

.sub-tab.active {
    color: var(--text-primary);
    border-bottom: 2px solid var(--accent);
}

/* Search bar */
.search-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-bottom: 1px solid var(--border);
}

.search-input {
    flex: 1;
    padding: 8px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 13px;
}

.search-input:focus { outline: none; border-color: var(--border-focus); }

.search-actions {
    display: flex;
    gap: 4px;
}

/* Content area */
.content-area {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
}

/* Empty state */
.empty-state {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    font-size: 14px;
}

/* ========== MODE TABS (Video) ========== */
.mode-tabs {
    display: flex;
    gap: 4px;
    background: var(--bg-input);
    border-radius: var(--radius);
    padding: 3px;
}

.mode-tab {
    flex: 1;
    padding: 7px 8px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 500;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.mode-tab.active {
    background: var(--accent);
    color: white;
}

.price-tag {
    color: var(--success);
    font-weight: 600;
}

.tag-multilingual {
    font-size: 10px;
    background: var(--success);
    color: white;
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 4px;
}

.hint {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
    display: block;
}

.toggle-label {
    cursor: pointer;
}

/* ========== GENERATING OVERLAY ========== */
.generating-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.generating-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.spinner-ring {
    width: 80px;
    height: 80px;
    border: 4px solid var(--border);
    border-top-color: var(--success);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    position: relative;
}

.spinner-time {
    font-size: 24px;
    font-weight: 700;
    color: var(--success);
}

.spinner-label {
    font-size: 13px;
    color: var(--success);
}

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

/* ========== UTILITIES ========== */
.hidden { display: none !important; }

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

/* Source image drop */
.source-image-drop {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 13px;
    transition: border-color 0.2s;
}

.source-image-drop:hover { border-color: var(--accent); }

.source-image-preview {
    position: relative;
    margin-top: 8px;
}

.source-image-preview img {
    width: 100%;
    max-height: 150px;
    object-fit: cover;
    border-radius: var(--radius);
}

/* Cancel generation button */
.btn-generate.cancel-mode {
    background: linear-gradient(135deg, #991b1b, #ef4444) !important;
}
.btn-generate.cancel-mode:hover {
    background: linear-gradient(135deg, #7f1d1d, #dc2626) !important;
}

/* Collapsible */
.collapsible .hidden {
    display: none;
}