:root {
    color-scheme: light;
    --primary-color: #2563eb;
    --background-color: #f5f7fb;
    --card-background: #ffffff;
    --surface-highlight: #eef2ff;
    --text-color: #1f2937;
    --muted-text: #64748b;
    --border-color: rgba(148, 163, 184, 0.35);
    --border-radius: 12px;
    --shadow: 0 18px 36px rgba(15, 23, 42, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    background:
        radial-gradient(circle at top left, rgba(37, 99, 235, 0.06), transparent 50%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.92), var(--background-color));
    color: var(--text-color);
    min-height: 100vh;
}

.workspace-header {
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.9);
}

.workspace-nav {
    max-width: 1080px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.workspace-nav .logo {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
}

.workspace-nav .logo-icon {
    display: grid;
    place-items: center;
    width: 2.2rem;
    height: 2.2rem;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.95), rgba(96, 165, 250, 0.85));
    color: #ffffff;
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    box-shadow: 0 12px 24px rgba(37, 99, 235, 0.22);
}

.workspace-nav .logo-text {
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: 0.05em;
    color: #0f172a;
}

.workspace-nav nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    margin: 0;
    padding: 0;
}

.workspace-nav nav .nav-dropdown {
    position: relative;
}

.workspace-nav nav .nav-dropdown > a {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.workspace-nav nav .nav-dropdown > a::after {
    content: "▾";
    font-size: 0.65rem;
    transform: translateY(-1px);
    color: var(--muted-text);
    transition: transform 0.2s ease, color 0.2s ease;
}

.workspace-nav nav .nav-dropdown:hover > a::after,
.workspace-nav nav .nav-dropdown:focus-within > a::after,
.workspace-nav nav .nav-dropdown > a.active::after {
    color: var(--primary-color);
    transform: rotate(180deg) translateY(1px);
}

.workspace-nav nav .dropdown-menu {
    list-style: none;
    position: absolute;
    left: 0;
    top: 100%;
    display: none;
    flex-direction: column;
    gap: 0.35rem;
    padding: 0.85rem 1rem;
    min-width: 168px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(203, 213, 225, 0.8);
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.12);
    z-index: 200;
}

.workspace-nav nav .dropdown-menu a {
    display: block;
    color: #0f172a;
    font-weight: 500;
    padding: 0.2rem 0;
    white-space: nowrap;
}

.workspace-nav nav .dropdown-menu a:hover,
.workspace-nav nav .dropdown-menu a.active {
    color: var(--primary-color);
}

.workspace-nav nav .nav-dropdown:hover > .dropdown-menu,
.workspace-nav nav .nav-dropdown:focus-within > .dropdown-menu {
    display: flex;
}


.workspace-nav nav a {
    text-decoration: none;
    color: var(--muted-text);
    font-weight: 500;
    transition: color 0.2s ease;
}

.workspace-nav nav a:hover,
.workspace-nav nav a.active {
    color: var(--primary-color);
}

.workspace-main {
    max-width: 1080px;
    margin: 2.5rem auto 4rem;
    padding: 0 1.5rem;
}

.workspace-main h1 {
    margin: 0;
    font-size: 2rem;
}

.workspace-description {
    color: var(--muted-text);
    margin-top: 0.75rem;
    margin-bottom: 2rem;
}

.mode-switch {
    display: inline-flex;
    padding: 0.35rem;
    border-radius: 999px;
    background: rgba(20, 53, 102, 0.8);
    box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.25);
    margin-bottom: 1.75rem;
    gap: 0.35rem;
}

.mode-button {
    background: transparent;
    border: none;
    border-radius: 999px;
    padding: 0.75rem 1.6rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--muted-text);
    cursor: pointer;
    transition: all 0.2s ease;
}

.mode-button.active {
    background: var(--card-background);
    color: var(--primary-color);
    box-shadow: var(--shadow);
}

.mode-button:focus-visible {
    outline: 2px solid rgba(120, 190, 255, 0.8);
    outline-offset: 2px;
}


.workspace-panel {
    display: none;
    background: rgba(255, 255, 255, 0.96);
    border-radius: 24px;
    box-shadow: 0 24px 48px rgba(15, 23, 42, 0.08);
    padding: 2.25rem;
    border: 1px solid rgba(226, 232, 240, 0.9);
    position: relative;
    overflow: hidden;
}

.workspace-panel::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top left, rgba(37, 99, 235, 0.08), transparent 55%);
    pointer-events: none;
}

.workspace-panel.active {
    display: block;
}

.panel-grid.two-column {
    display: grid;
    grid-template-columns: minmax(340px, 400px) minmax(0, 1fr);
    gap: 2.25rem;
    position: relative;
    z-index: 1;
}

.panel-column {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.panel-card {
    background: linear-gradient(145deg, #ffffff, #f8fafc);
    border-radius: 22px;
    padding: 1.8rem;
    box-shadow: 0 18px 36px rgba(15, 23, 42, 0.08);
    border: 1px solid rgba(226, 232, 240, 0.9);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.panel-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 30px 60px rgba(15, 23, 42, 0.12);
}

.panel-card.compact {
    gap: 1.6rem;
    padding: 2rem;
}

.panel-card .hint {
    margin: 0 0 1.1rem;
    font-size: 0.85rem;
}

.card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.6rem;
    margin-bottom: 0.75rem;
}

.card-head h2 {
    margin: 0;
    font-size: 1.2rem;
    letter-spacing: 0.03em;
    color: #0f172a;
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.12);
    color: #1d4ed8;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge.accent {
    background: rgba(16, 185, 129, 0.12);
    color: #047857;
}

.panel-form,
.panel-card .form-row,
.panel-card .form-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}


.panel-card label {
    font-weight: 600;
    margin-bottom: 0.35rem;
}

.panel-card textarea,
.panel-card select,
.panel-card input[type="text"],
.panel-card input[type="password"],
.panel-card input[type="number"],
.panel-card input[type="email"],
.panel-card input[type="range"],
.panel-card input[type="file"] {
    border: 1px solid rgba(76, 155, 255, 0.22);
    background: rgba(12, 34, 72, 0.42);
    border-radius: 8px;
    padding: 0.75rem;
    font-size: 0.95rem;
    font-family: inherit;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.video-text-workspace .panel-card textarea,
.video-text-workspace .panel-card select,
.video-text-workspace .panel-card input[type="text"],
.video-text-workspace .panel-card input[type="password"],
.video-text-workspace .panel-card input[type="number"],
.video-text-workspace .panel-card input[type="email"] {
    font-size: 1rem;
}

.video-text-workspace .panel-card label {
    font-size: 0.95rem;
}

.video-text-workspace .panel-card .hint,
.video-text-workspace .panel-card .preview-status {
    font-size: 0.9rem;
}

.video-text-workspace {
    font-size: 17px;
}

.video-text-workspace .workspace-description {
    font-size: 1.05rem;
    color: rgba(214, 232, 255, 0.92);
    margin-bottom: 2.2rem;
}

.video-text-workspace .workspace-main h1 {
    font-size: 2.3rem;
}

.video-text-workspace .panel-card {
    font-size: 1rem;
    background: linear-gradient(145deg, rgba(18, 40, 82, 0.92), rgba(10, 26, 56, 0.9));
}

.video-text-workspace .panel-card h2 {
    font-size: 1.3rem;
}

.video-text-workspace .workspace-nav .logo-text {
    font-size: 1.35rem;
}

.video-text-workspace .workspace-nav nav a {
    font-size: 0.95rem;
}

.video-text-workspace .primary-button,
.video-text-workspace .secondary-button {
    font-size: 1rem;
}

.video-text-workspace .model-hint {
    font-size: 0.9rem;
}

/* 图生视频演示工具 */
#sora-image-demo-card .input-toggle {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

#sora-image-demo-card .toggle-visibility {
    padding: 0.55rem 1.2rem;
    border-radius: 8px;
}

#sora-image-demo-card .reference-input-group {
    gap: 0.75rem;
}

#sora-image-demo-card .reference-dropzone.is-dragover {
    border-style: solid;
    border-color: rgba(140, 205, 255, 0.85);
    background: rgba(24, 60, 110, 0.6);
}

#sora-image-demo-card .reference-summary {
    line-height: 1.4;
}

#sora-image-demo-card .ghost-button,
#sora-image-demo-card .primary-button {
    font-size: 0.95rem;
}

#sora-image-demo-output,
#sora-image-query-output {
    max-height: 220px;
    overflow: auto;
}

.sora2-workspace .panel-card {
    background: linear-gradient(150deg, rgba(18, 42, 84, 0.92), rgba(10, 24, 54, 0.88));
}

.sora2-workspace .workspace-description {
    color: rgba(214, 232, 255, 0.9);
    margin-bottom: 2.2rem;
}

.sora2-workspace .chat-log {
    margin-top: 1.5rem;
    max-height: 300px;
    overflow-y: auto;
    padding: 1rem;
    border-radius: 14px;
    background: rgba(8, 22, 48, 0.75);
    border: 1px solid rgba(72, 140, 220, 0.25);
    box-shadow: inset 0 12px 24px rgba(6, 18, 40, 0.35);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sora2-workspace .chat-placeholder {
    color: rgba(190, 210, 240, 0.65);
    text-align: center;
    font-size: 0.95rem;
}

.sora2-workspace .chat-message {
    display: grid;
    gap: 0.35rem;
    padding: 0.85rem 1rem;
    border-radius: 12px;
    background: rgba(14, 34, 68, 0.85);
    border: 1px solid rgba(96, 160, 240, 0.25);
}

.sora2-workspace .chat-message.chat-user {
    background: rgba(32, 64, 128, 0.78);
    border-color: rgba(90, 160, 255, 0.35);
}

.sora2-workspace .chat-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: rgba(180, 204, 240, 0.78);
    letter-spacing: 0.02em;
}

.sora2-workspace .chat-role {
    font-weight: 600;
    color: rgba(120, 186, 255, 0.92);
}

.sora2-workspace .chat-content {
    line-height: 1.6;
    color: rgba(224, 238, 255, 0.92);
    word-break: break-word;
}

.sora2-workspace .preview-video {
    border-radius: 14px;
    width: 100%;
    background: rgba(5, 16, 36, 0.8);
    border: 1px solid rgba(70, 130, 220, 0.25);
}

.sora2-workspace #sora2-stream-output,
.sora2-workspace #sora2-query-output {
    max-height: 220px;
    overflow: auto;
}

.sora2-workspace #sora2-preview-status,
.sora2-workspace #sora2-query-status {
    margin-top: 0.85rem;
}

.sora2-workspace #sora2-preview-card .preview-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

.sora2-workspace #sora2-preview-card .ghost-button {
    padding: 0.6rem 1.2rem;
}

.sora2-workspace #sora2-preview-card .secondary-button {
    padding: 0.6rem 1.4rem;
}

.panel-card select option {
color: #0b1e3c;
}

.panel-card textarea {
    resize: vertical;
}

.panel-card small {
    color: rgba(199, 218, 255, 0.6);
}

.form-grid {
    gap: 1.5rem;
}

.form-row.inline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1.2rem;
}

.form-actions {
    display: flex;
    flex-direction: column;
    gap: 1.3rem;
    margin-top: 0.8rem;
}

.form-actions.split {
    flex-direction: row;
    justify-content: flex-end;
    align-items: center;
    gap: 1rem;
}

.form-actions.right {
    align-items: flex-end;
}

.form-divider {
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(110, 185, 255, 0.35), transparent);
    margin: 1.25rem 0;
}

.model-hint {
    margin: 0.35rem 0 0;
    padding-left: 1rem;
    display: grid;
    gap: 0.25rem;
    list-style: disc;
    color: rgba(199, 218, 255, 0.75);
    font-size: 0.85rem;
}

.model-hint strong {
    color: rgba(221, 235, 255, 0.92);
}

.sora-mode-switch {
    display: inline-flex;
    gap: 0.5rem;
    padding: 0.35rem;
    border-radius: 999px;
    background: rgba(20, 53, 102, 0.8);
    box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.25);
}

.sora-mode-button {
    border: none;
    border-radius: 999px;
    padding: 0.65rem 1.4rem;
    background: transparent;
    color: rgba(199, 218, 255, 0.7);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.sora-mode-button.active {
    background: rgba(24, 58, 108, 0.9);
    color: var(--primary-color);
    box-shadow: 0 6px 18px rgba(40, 110, 200, 0.3);
}

.sora-mode-button:focus-visible {
    outline: 2px solid rgba(120, 190, 255, 0.8);
    outline-offset: 2px;
}

.gemini3-workspace .workspace-description {
    color: rgba(216, 234, 255, 0.92);
}

.gemini3-workspace .workspace-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 2.5rem;
    padding: 2.5rem;
    margin-bottom: 2.8rem;
    border-radius: 22px;
    background: linear-gradient(140deg, rgba(14, 32, 68, 0.95), rgba(6, 18, 42, 0.9));
    border: 1px solid rgba(90, 160, 255, 0.18);
    box-shadow: 0 32px 60px rgba(4, 16, 38, 0.45);
    position: relative;
    overflow: hidden;
}

.gemini3-workspace .workspace-hero::after {
    content: "";
    position: absolute;
    inset: -40% 45% auto -15%;
    height: 260px;
    background: radial-gradient(circle at center, rgba(80, 180, 255, 0.25), transparent 70%);
    filter: blur(0.5px);
    pointer-events: none;
}

.gemini3-workspace .hero-copy {
    position: relative;
    display: grid;
    gap: 1.4rem;
}

.gemini3-workspace .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    width: fit-content;
    padding: 0.4rem 0.9rem;
    border-radius: 999px;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    background: rgba(76, 155, 255, 0.18);
    color: rgba(193, 222, 255, 0.95);
    border: 1px solid rgba(110, 190, 255, 0.35);
}

.gemini3-workspace .hero-copy h1 {
    font-size: 2.45rem;
    margin: 0;
    line-height: 1.25;
    text-shadow: 0 20px 40px rgba(8, 26, 54, 0.65);
}

.gemini3-workspace .hero-highlights {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.9rem;
}

.gemini3-workspace .hero-highlights li {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.6rem;
    align-items: start;
    padding: 0.85rem 1rem;
    border-radius: 14px;
    background: rgba(10, 28, 60, 0.65);
    border: 1px solid rgba(86, 150, 240, 0.2);
    box-shadow: inset 0 8px 22px rgba(4, 16, 34, 0.45);
    color: rgba(222, 236, 255, 0.92);
    font-size: 0.97rem;
}

.gemini3-workspace .hero-highlights li > span {
    font-size: 1.2rem;
    line-height: 1;
    filter: drop-shadow(0 6px 12px rgba(10, 30, 70, 0.5));
}

.gemini3-workspace .hero-highlights strong {
    color: rgba(146, 196, 255, 0.95);
    font-weight: 600;
    margin-right: 0.25rem;
}

.gemini3-workspace .hero-meta {
    position: relative;
    display: grid;
    gap: 1rem;
}

.gemini3-workspace .hero-card {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.9rem;
    align-items: center;
    padding: 1rem 1.2rem;
    border-radius: 16px;
    background: rgba(12, 32, 70, 0.72);
    border: 1px solid rgba(86, 150, 240, 0.28);
    box-shadow: inset 0 10px 24px rgba(6, 18, 40, 0.45);
}

.gemini3-workspace .hero-card-icon {
    width: 2.6rem;
    height: 2.6rem;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(80, 170, 255, 0.65), rgba(42, 112, 214, 0.65));
    font-size: 1.3rem;
    box-shadow: 0 12px 22px rgba(8, 30, 70, 0.45);
}

.gemini3-workspace .hero-card-body h3 {
    margin: 0;
    font-size: 1rem;
    color: rgba(190, 215, 255, 0.95);
}

.gemini3-workspace .hero-card-body p {
    margin: 0.35rem 0 0;
    color: rgba(210, 228, 255, 0.85);
    font-size: 0.92rem;
}

.gemini3-workspace .panel-card {
    background: linear-gradient(145deg, rgba(18, 42, 84, 0.92), rgba(8, 18, 42, 0.88));
}

.gemini3-workspace .form-tip {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.8rem;
    align-items: start;
    margin: 1.2rem 0 1.5rem;
    padding: 1rem 1.2rem;
    border-radius: 16px;
    background: rgba(16, 36, 74, 0.72);
    border: 1px solid rgba(102, 170, 255, 0.25);
    box-shadow: inset 0 12px 28px rgba(6, 18, 40, 0.45);
}

.gemini3-workspace .form-tip .tip-icon {
    font-size: 1.3rem;
    line-height: 1;
    filter: drop-shadow(0 6px 12px rgba(6, 18, 40, 0.45));
}

.gemini3-workspace .form-tip strong {
    display: block;
    margin-bottom: 0.3rem;
    font-size: 0.96rem;
    color: rgba(182, 212, 255, 0.95);
}

.gemini3-workspace .form-tip p {
    margin: 0;
    font-size: 0.92rem;
    color: rgba(214, 232, 255, 0.85);
    line-height: 1.5;
}

.gemini3-workspace .status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 1rem;
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    background: rgba(22, 52, 98, 0.75);
    border: 1px solid rgba(86, 150, 240, 0.35);
    font-size: 0.9rem;
    color: rgba(198, 220, 255, 0.9);
}

.gemini3-workspace .status-pill.preview-error {
    background: rgba(98, 26, 40, 0.72);
    border-color: rgba(255, 114, 148, 0.45);
    color: rgba(255, 198, 208, 0.92);
}

.gemini3-workspace .status-pill.preview-loading {
    background: rgba(22, 52, 98, 0.82);
    border-color: rgba(120, 176, 255, 0.4);
    color: rgba(208, 228, 255, 0.92);
}

.gemini3-workspace .preview-caption {
    margin-top: 1rem;
    padding: 0.9rem 1rem;
    border-radius: 12px;
    background: rgba(12, 32, 64, 0.78);
    border: 1px solid rgba(90, 150, 240, 0.25);
    color: rgba(222, 236, 255, 0.9);
    line-height: 1.6;
}

.gemini3-workspace .preview-stage img {
    border-radius: 14px;
    max-width: 100%;
    display: block;
    box-shadow: 0 16px 36px rgba(10, 24, 52, 0.35);
}

.gemini3-workspace .modality-options {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.gemini3-workspace .checkbox-toggle.small {
    padding: 0.45rem 0.9rem;
    border-radius: 12px;
}

.gemini3-workspace .checkbox-toggle.small .checkbox-title {
    font-size: 0.92rem;
}

.gemini3-workspace .checkbox-toggle.small .checkbox-hint {
    font-size: 0.8rem;
}

.gemini3-workspace .advanced-config {
    margin-top: 1.4rem;
    border-radius: 14px;
    background: rgba(10, 26, 52, 0.75);
    border: 1px solid rgba(90, 150, 240, 0.22);
    padding: 1rem;
}

.gemini3-workspace .advanced-config summary {
    cursor: pointer;
    font-weight: 600;
    color: rgba(190, 220, 255, 0.92);
    list-style: none;
}

.gemini3-workspace .advanced-config summary::-webkit-details-marker {
    display: none;
}

.gemini3-workspace .advanced-config summary::after {
    content: '▾';
    margin-left: 0.45rem;
    font-size: 0.7rem;
    color: rgba(140, 190, 255, 0.8);
    transition: transform 0.2s ease;
}

.gemini3-workspace .advanced-config[open] summary::after {
    transform: rotate(180deg);
}

.gemini3-workspace .advanced-grid {
    margin-top: 1rem;
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.gemini3-workspace .advanced-grid label {
    display: grid;
    gap: 0.4rem;
    color: rgba(202, 224, 255, 0.86);
}

.gemini3-workspace .advanced-grid input {
    background: rgba(12, 28, 60, 0.85);
    border: 1px solid rgba(90, 160, 255, 0.28);
    border-radius: 10px;
    color: rgba(226, 238, 255, 0.92);
    padding: 0.55rem 0.75rem;
}

.gemini3-workspace .api-sample {
    margin-top: 1.6rem;
    border-radius: 14px;
    background: rgba(10, 26, 52, 0.78);
    border: 1px solid rgba(90, 150, 240, 0.22);
    padding: 1rem 1.2rem;
}

.gemini3-workspace .api-sample summary {
    cursor: pointer;
    font-weight: 600;
    color: rgba(200, 224, 255, 0.95);
    list-style: none;
}

.gemini3-workspace .api-sample summary::-webkit-details-marker {
    display: none;
}

.gemini3-workspace .api-sample summary::after {
    content: '▾';
    margin-left: 0.4rem;
    font-size: 0.7rem;
    color: rgba(140, 190, 255, 0.8);
    transition: transform 0.2s ease;
}

.gemini3-workspace .api-sample[open] summary::after {
    transform: rotate(180deg);
}

.gemini3-workspace .api-sample pre {
    margin-top: 1rem;
    max-height: 280px;
    overflow: auto;
}

@media (max-width: 960px) {
    .gemini3-workspace .workspace-hero {
        grid-template-columns: 1fr;
        padding: 2rem;
    }

    .gemini3-workspace .hero-meta {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

@media (max-width: 720px) {
    .gemini3-workspace .workspace-hero {
        padding: 1.6rem;
        gap: 1.8rem;
    }

    .gemini3-workspace .hero-copy h1 {
        font-size: 2rem;
    }

    .gemini3-workspace .hero-highlights li {
        grid-template-columns: 1fr;
    }
}

.gemini3-workspace .gemini3-panel {
    margin-top: 1.5rem;
}

.gemini3-workspace .gemini3-two-column {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    gap: 2.4rem;
    align-items: start;
}

.gemini3-workspace .control-stack {
    display: flex;
    flex-direction: column;
    gap: 1.6rem;
    width: 100%;
}

.gemini3-workspace .control-card {
    padding: 1.5rem 1.7rem;
    border-radius: 18px;
    background: linear-gradient(165deg, rgba(18, 40, 82, 0.95), rgba(10, 24, 54, 0.88));
    border: 1px solid rgba(90, 160, 255, 0.22);
    box-shadow: 0 26px 48px rgba(6, 16, 40, 0.45);
    display: grid;
    gap: 1rem;
}

.gemini3-workspace .usage-card {
    padding: 1.8rem 2rem;
    background: linear-gradient(150deg, rgba(22, 46, 96, 0.96), rgba(10, 24, 54, 0.9));
}

.gemini3-workspace .usage-card h1 {
    margin: 0;
    font-size: 2.2rem;
    line-height: 1.25;
}

.gemini3-workspace .surface-hint {
    margin: 0.75rem 0 0;
    color: rgba(204, 224, 255, 0.82);
    font-size: 0.96rem;
}

.gemini3-workspace .usage-steps {
    margin: 1.1rem 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0.65rem;
    counter-reset: gemini3-step;
}

.gemini3-workspace .usage-steps li {
    position: relative;
    padding-left: 2.4rem;
    color: rgba(218, 234, 255, 0.85);
    line-height: 1.5;
}

.gemini3-workspace .usage-steps li::before {
    counter-increment: gemini3-step;
    content: counter(gemini3-step);
    position: absolute;
    left: 0;
    top: 0.1rem;
    width: 1.6rem;
    height: 1.6rem;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(88, 165, 255, 0.9), rgba(40, 110, 210, 0.9));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    color: #0b1e3c;
    font-weight: 700;
    box-shadow: 0 10px 20px rgba(12, 42, 88, 0.45);
}

.gemini3-workspace .control-header {
    display: grid;
    gap: 0.45rem;
}

.gemini3-workspace .control-header h2 {
    margin: 0;
    font-size: 1.25rem;
}

.gemini3-workspace .control-hint {
    margin: 0;
    font-size: 0.9rem;
    color: rgba(196, 216, 245, 0.78);
    line-height: 1.5;
}

.gemini3-workspace .control-card label {
    display: grid;
    gap: 0.45rem;
    font-weight: 500;
    color: rgba(210, 230, 255, 0.9);
}

.gemini3-workspace .control-card input[type="number"],
.gemini3-workspace .control-card input[type="password"],
.gemini3-workspace .control-card textarea {
    background: rgba(12, 26, 56, 0.82);
    border: 1px solid rgba(90, 160, 255, 0.26);
    border-radius: 12px;
    color: rgba(226, 238, 255, 0.95);
    padding: 0.65rem 0.85rem;
    font-size: 0.95rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.gemini3-workspace .control-card textarea {
    min-height: 150px;
    resize: vertical;
}

.gemini3-workspace .control-card input:focus,
.gemini3-workspace .control-card textarea:focus {
    outline: none;
    border-color: rgba(130, 190, 255, 0.75);
    box-shadow: 0 0 0 3px rgba(120, 190, 255, 0.2);
}

.gemini3-workspace .advanced-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.gemini3-workspace .framing-card {
    gap: 1.2rem;
}

.gemini3-workspace .aspect-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.gemini3-workspace .aspect-grid label {
    display: grid;
    gap: 0.45rem;
}

.gemini3-workspace .aspect-grid select {
    background: rgba(12, 26, 56, 0.82);
    border: 1px solid rgba(90, 160, 255, 0.26);
    border-radius: 12px;
    color: rgba(226, 238, 255, 0.95);
    padding: 0.65rem 0.85rem;
    font-size: 0.95rem;
}

.gemini3-workspace .upscale-group {
    display: grid;
    gap: 0.75rem;
}

.gemini3-workspace .group-label {
    font-weight: 600;
    color: rgba(206, 228, 255, 0.9);
}

.gemini3-workspace .upscale-options {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.gemini3-workspace .chip-option {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.55rem 1rem;
    border-radius: 999px;
    background: rgba(20, 48, 92, 0.55);
    border: 1px solid rgba(110, 185, 255, 0.2);
    color: rgba(220, 235, 255, 0.9);
    cursor: pointer;
    transition: all 0.2s ease;
}

.gemini3-workspace .chip-option input {
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid rgba(120, 190, 255, 0.35);
    position: relative;
    display: grid;
    place-items: center;
}

.gemini3-workspace .chip-option input::after {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(80, 170, 255, 0.9), rgba(42, 112, 214, 0.9));
    transform: scale(0);
    transition: transform 0.18s ease;
}

.gemini3-workspace .chip-option input:checked::after {
    transform: scale(1);
}

.gemini3-workspace .chip-option:hover {
    border-color: rgba(110, 185, 255, 0.4);
    box-shadow: 0 8px 18px rgba(20, 52, 100, 0.35);
}

.gemini3-workspace .chip-label {
    font-size: 0.92rem;
}

.gemini3-workspace .chip-option input:focus-visible {
    outline: 2px solid rgba(120, 190, 255, 0.6);
    outline-offset: 2px;
}

.gemini3-workspace .action-card {
    align-items: start;
    gap: 1.1rem;
}

.gemini3-workspace .action-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.gemini3-workspace .recent-history {
    margin-top: 1.6rem;
    padding: 1.25rem;
    background: rgba(10, 24, 48, 0.85);
    border-radius: 20px;
    border: 1px solid rgba(90, 160, 255, 0.18);
    display: grid;
    gap: 1rem;
}

.gemini3-workspace .history-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 0.75rem;
}

.gemini3-workspace .history-head h3 {
    font-size: 1.1rem;
    color: #e5efff;
}

.gemini3-workspace .history-hint {
    font-size: 0.85rem;
    color: rgba(200, 220, 255, 0.65);
}

.gemini3-workspace .history-list {
    list-style: none;
    display: grid;
    gap: 0.85rem;
    margin: 0;
    padding: 0;
}

.gemini3-workspace .history-empty {
    text-align: center;
    padding: 1.5rem;
    border-radius: 16px;
    background: rgba(14, 32, 62, 0.75);
    color: rgba(190, 210, 240, 0.7);
    font-size: 0.95rem;
}

.gemini3-workspace .history-item {
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: 0.9rem;
    align-items: center;
    padding: 0.9rem;
    border-radius: 16px;
    background: rgba(16, 38, 74, 0.7);
    border: 1px solid rgba(90, 160, 255, 0.12);
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.gemini3-workspace .history-item:hover {
    border-color: rgba(110, 185, 255, 0.45);
    transform: translateY(-2px);
}

.gemini3-workspace .history-thumb {
    width: 64px;
    height: 64px;
    object-fit: cover;
    border-radius: 12px;
    background: rgba(8, 20, 40, 0.6);
    border: 1px solid rgba(120, 186, 255, 0.2);
}

.gemini3-workspace .history-body {
    display: grid;
    gap: 0.4rem;
}

.gemini3-workspace .history-prompt {
    margin: 0;
    font-size: 0.92rem;
    color: rgba(225, 238, 255, 0.9);
    line-height: 1.4;
    max-height: 2.8em;
    overflow: hidden;
    text-overflow: ellipsis;
}

.gemini3-workspace .history-meta {
    font-size: 0.82rem;
    color: rgba(170, 195, 230, 0.6);
}

.gemini3-workspace .action-buttons .primary-button,
.gemini3-workspace .action-buttons .ghost-button {
    min-width: 140px;
}

.gemini3-workspace .result-stack {
    position: sticky;
    top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.6rem;
}

.gemini3-workspace .result-card {
    border-radius: 18px;
}

.gemini3-workspace .result-card .preview-stage {
    min-height: 320px;
    padding: 1.2rem;
    border-radius: 16px;
    background: rgba(8, 22, 48, 0.6);
    border: 1px dashed rgba(78, 148, 255, 0.25);
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap: 1rem;
}

.gemini3-workspace .result-card .preview-actions {
    justify-content: flex-end;
}

.gemini3-workspace .result-card .badge {
    background: rgba(90, 160, 255, 0.25);
}

.gemini3-workspace .api-sample {
    margin-top: 1.6rem;
}

@media (max-width: 1180px) {
    .gemini3-workspace .gemini3-two-column {
        grid-template-columns: 1fr;
    }

    .gemini3-workspace .result-stack {
        position: static;
    }
}

@media (max-width: 720px) {
    .gemini3-workspace .control-card {
        padding: 1.25rem 1.4rem;
    }

    .gemini3-workspace .action-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .gemini3-workspace .action-buttons .primary-button,
    .gemini3-workspace .action-buttons .ghost-button {
        width: 100%;
    }
}

.checkbox-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.55rem 0.9rem;
    border-radius: 14px;
    background: rgba(20, 48, 92, 0.55);
    border: 1px solid rgba(110, 185, 255, 0.18);
    color: rgba(221, 235, 255, 0.92);
    cursor: pointer;
    transition: all 0.2s ease;
}

.checkbox-toggle:hover {
    border-color: rgba(110, 185, 255, 0.35);
    box-shadow: 0 8px 18px rgba(20, 52, 100, 0.35);
}

.checkbox-toggle:focus-within {
    border-color: rgba(120, 190, 255, 0.6);
    box-shadow: 0 0 0 3px rgba(120, 190, 255, 0.22);
}

.checkbox-toggle input[type="checkbox"] {
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 6px;
    border: 2px solid rgba(110, 185, 255, 0.45);
    background: linear-gradient(145deg, rgba(10, 24, 52, 0.95), rgba(18, 46, 92, 0.85));
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.35);
    display: grid;
    place-items: center;
    transition: all 0.2s ease;
}

.checkbox-toggle input[type="checkbox"]::after {
    content: '';
    width: 10px;
    height: 10px;
    border-radius: 3px;
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.95), rgba(116, 195, 255, 0.95));
    transform: scale(0);
    transition: transform 0.18s ease;
}

.checkbox-toggle input[type="checkbox"]:checked {
    border-color: rgba(140, 205, 255, 0.85);
    background: linear-gradient(145deg, rgba(40, 110, 210, 0.9), rgba(80, 175, 255, 0.9));
    box-shadow: 0 6px 14px rgba(60, 140, 230, 0.35);
}

.checkbox-toggle input[type="checkbox"]:checked::after {
    transform: scale(1);
}

.checkbox-toggle input[type="checkbox"]:focus-visible {
    outline: none;
}

.checkbox-label {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    line-height: 1.2;
}

.checkbox-title {
    font-weight: 600;
    letter-spacing: 0.02em;
}

.checkbox-hint {
    font-size: 0.85rem;
    color: rgba(199, 218, 255, 0.7);
}

.input-toggle[hidden] {
    display: none !important;
}

.panel-form input,
.panel-form select,
.panel-form textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(12, 34, 72, 0.42);
    color: var(--text-color);
    border: 1px solid rgba(76, 155, 255, 0.22);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.panel-form input::placeholder,
.panel-form textarea::placeholder {
    color: rgba(199, 218, 255, 0.55);
}

.panel-form input[type="file"] {
    display: none;
}

.reference-input-group {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.reference-dropzone {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.05rem 1.25rem;
    border-radius: 14px;
    border: 1.5px dashed rgba(110, 185, 255, 0.35);
    background: rgba(18, 44, 88, 0.55);
    color: rgba(214, 232, 255, 0.9);
    cursor: pointer;
    transition: all 0.2s ease;
}

.reference-dropzone:hover,
.reference-dropzone:focus-visible {
    border-color: rgba(140, 205, 255, 0.8);
    box-shadow: 0 10px 24px rgba(60, 140, 220, 0.35);
    outline: none;
}

.dropzone-icon {
    font-size: 1.6rem;
}

.dropzone-text {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.dropzone-title {
    font-weight: 600;
    letter-spacing: 0.02em;
}

.dropzone-hint {
    font-size: 0.85rem;
    color: rgba(199, 218, 255, 0.7);
}

.reference-summary {
    font-size: 0.9rem;
    color: rgba(180, 210, 255, 0.85);
    background: rgba(12, 30, 60, 0.5);
    border-radius: 10px;
    padding: 0.6rem 0.9rem;
}

.reference-summary strong {
    color: rgba(224, 240, 255, 0.95);
}

.upload-inline {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 0.75rem;
}

.upload-inline input[type="file"] {
    display: block;
    width: auto;
    padding: 0;
    background: transparent;
    border: none;
    color: rgba(199, 218, 255, 0.7);
}

.upload-inline .ghost-button {
    flex-shrink: 0;
}

.ratio-select-group {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-wrap: wrap;
}

.ratio-select-group select {
    flex: 1;
    min-width: 220px;
    padding: 0.75rem;
    border-radius: 12px;
    border: 1px solid rgba(96, 170, 255, 0.35);
    background: rgba(12, 34, 72, 0.6);
    color: var(--text-color);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.ratio-select-group input[type="text"] {
    flex: 1;
    min-width: 200px;
    background: rgba(10, 28, 58, 0.6);
    border: 1px solid rgba(76, 155, 255, 0.22);
    border-radius: 12px;
    padding: 0.65rem 0.75rem;
    color: var(--text-color);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.key-row {
    padding: 1rem 1.2rem;
    background: linear-gradient(135deg, rgba(14, 34, 64, 0.75), rgba(8, 22, 44, 0.6));
    border: 1px solid rgba(76, 155, 255, 0.25);
    border-radius: 16px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.key-row label {
    font-weight: 600;
    color: rgba(221, 235, 255, 0.95);
    margin-bottom: 0.35rem;
}

.api-inline {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(12, 30, 60, 0.6);
    border: 1px solid rgba(76, 155, 255, 0.25);
    border-radius: 999px;
    padding: 0.6rem 0.9rem 0.6rem 1rem;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.api-inline label {
    font-weight: 600;
    color: rgba(221, 235, 255, 0.92);
}

.api-inline .input-toggle {
    width: 240px;
}

.api-inline .input-toggle input {
    padding-right: 4.2rem;
}

.api-inline .toggle-visibility {
    right: 0.5rem;
    padding: 0.3rem 1rem;
}

.input-toggle {
    position: relative;
    display: flex;
    align-items: center;
}

.input-toggle input {
    flex: 1;
    padding-right: 4.5rem;
}

.toggle-visibility {
    position: absolute;
    right: 0.6rem;
    background: rgba(40, 90, 160, 0.35);
    color: rgba(210, 230, 255, 0.95);
    border: 1px solid rgba(110, 185, 255, 0.45);
    border-radius: 999px;
    padding: 0.4rem 1.1rem;
    font-size: 0.8rem;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.toggle-visibility:hover {
    background: rgba(100, 180, 255, 0.45);
    color: #ffffff;
}

.toggle-visibility:active {
    transform: scale(0.96);
}

.toggle-visibility:focus-visible {
    outline: 2px solid rgba(120, 190, 255, 0.8);
    outline-offset: 2px;
}

.form-row {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.primary-button {
    background: linear-gradient(135deg, rgba(76, 155, 255, 0.85), rgba(42, 112, 214, 0.85));
    color: #ffffff;
    border: none;
    border-radius: 8px;
    padding: 0.9rem 1.4rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.primary-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(76, 155, 255, 0.35);
}

.panel-preview {
    background: radial-gradient(circle at top, rgba(76, 155, 255, 0.25), transparent 70%);
    border-radius: 16px;
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    position: relative;
}

.preview-stage {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 320px;
}

.preview-placeholder {
    border: 2px dashed rgba(76, 155, 255, 0.35);
    border-radius: 12px;
    width: 100%;
    min-height: 260px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--muted-text);
    font-weight: 600;
}

.reference-preview {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 160px;
    border: 2px dashed rgba(76, 155, 255, 0.28);
    border-radius: 12px;
    background: rgba(12, 30, 60, 0.45);
    color: rgba(199, 218, 255, 0.65);
    text-align: center;
    padding: 1rem;
    transition: all 0.2s ease;
}

.reference-preview img {
    max-width: 100%;
    max-height: 220px;
    border-radius: 10px;
    box-shadow: 0 12px 26px rgba(12, 34, 72, 0.45);
}

.reference-preview.reference-placeholder span {
    opacity: 0.75;
}

.preview-output {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    color: var(--text-color);
}

.preview-output img {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 12px 28px rgba(12, 34, 72, 0.45);
}

.preview-stage-empty {
    border: none !important;
    background: rgba(8, 22, 48, 0.4) !important;
    padding: 0 !important;
}

.preview-stage-empty .preview-placeholder {
    border: 2px dashed rgba(76, 155, 255, 0.3);
    background: rgba(12, 30, 62, 0.35);
    padding: 2.2rem 1rem;
    border-radius: 14px;
    width: 100%;
    text-align: center;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
}

.preview-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.secondary-button {
    background: rgba(28, 66, 120, 0.55);
    color: rgba(214, 232, 255, 0.92);
    border: 1px solid rgba(110, 185, 255, 0.4);
    border-radius: 999px;
    padding: 0.65rem 1.6rem;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.secondary-button:hover:not(:disabled) {
    background: rgba(76, 155, 255, 0.35);
    box-shadow: 0 8px 20px rgba(76, 155, 255, 0.25);
}

.secondary-button:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.panel-form small,
.hint {
    display: block;
}

.code-block {
    background: rgba(8, 22, 44, 0.65);
    border-radius: 10px;
    padding: 1rem;
    overflow-x: auto;
    font-size: 0.85rem;
    color: #cbe3ff;
    font-family: "Fira Code", "Consolas", monospace;
}

.code-block code {
    white-space: pre;
    display: block;
}

.progress-track {
    width: 100%;
    height: 6px;
    background: rgba(30, 60, 110, 0.4);
    border-radius: 999px;
    overflow: hidden;
    margin-top: 0.25rem;
}

.progress-bar {
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, rgba(71, 179, 255, 0.9), rgba(105, 208, 255, 0.8));
    transition: width 0.4s ease;
}

.download-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.video-preview {
    margin: 0.75rem 0;
    background: rgba(8, 22, 44, 0.8);
    border-radius: 12px;
    padding: 0.5rem;
    max-width: 360px;
}

.video-preview.large {
    max-width: 420px;
}

.video-preview video {
    width: 100%;
    max-height: 480px;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: inset 0 0 20px rgba(14, 38, 72, 0.45);
}

.w-100 {
    width: 100%;
}

.preview-status {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    background: rgba(76, 155, 255, 0.2);
    color: var(--muted-text);
    font-size: 0.85rem;
}

.panel-card .preview-status {
    margin-top: 0.85rem;
}

.preview-error {
    background: rgba(255, 94, 94, 0.18);
    color: #ffbfbf;
}

.preview-loading {
    background: rgba(76, 155, 255, 0.3);
    color: #d4e6ff;
}

.upload-box {
    background: rgba(28, 66, 120, 0.6);
    border: 2px dashed rgba(76, 155, 255, 0.35);
    border-radius: 12px;
    padding: 2rem 1rem;
    text-align: center;
    color: var(--muted-text);
}

.upload-box input[type="file"] {
    display: block;
    margin: 0.5rem auto;
}

.model-meta {
    display: grid;
    gap: 0.75rem;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    margin-top: 1rem;
}

.model-meta .meta-item {
    background: rgba(24, 58, 108, 0.85);
    border-radius: 10px;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    color: var(--muted-text);
}

.upload-header {
    display: flex;
    justify-content: space-between;
}

.upload-box {
    background: rgba(28, 66, 120, 0.6);
    border: 2px dashed rgba(76, 155, 255, 0.35);
    border-radius: 12px;
    padding: 2rem 1rem;
    text-align: center;
    color: var(--muted-text);
}

.upload-box input[type="file"] {
    display: block;
    margin: 0.5rem auto;
}

.ref-gallery {
    min-height: 120px;
    border: 2px dashed rgba(76, 155, 255, 0.22);
    border-radius: 16px;
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    padding: 1rem;
    transition: border-color 0.2s ease, background 0.2s ease;
    background: rgba(15, 40, 80, 0.35);
}

.ref-gallery.dragging {
    border-color: rgba(120, 170, 255, 0.5);
    background: rgba(20, 55, 105, 0.45);
}

.ref-gallery.empty {
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--muted-text);
    text-align: center;
    background: rgba(15, 36, 70, 0.4);
}

.ref-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.ref-card.primary {
    border: 1px solid rgba(120, 195, 255, 0.45);
    border-radius: 14px;
    padding: 1rem;
    background: rgba(18, 44, 88, 0.55);
    box-shadow: 0 12px 28px rgba(8, 22, 46, 0.45);
}

.ref-role {
    font-size: 0.85rem;
    font-weight: 600;
    color: rgba(180, 212, 255, 0.9);
    letter-spacing: 0.02em;
}

.ref-card img {
    width: 100%;
    max-height: 140px;
    border-radius: 12px;
    object-fit: contain;
    background: rgba(8, 22, 44, 0.35);
    box-shadow: 0 12px 24px rgba(8, 20, 45, 0.35);
}

.ref-meta {
    font-size: 0.8rem;
    color: rgba(199, 218, 255, 0.7);
    background: rgba(10, 30, 62, 0.65);
    border-radius: 10px;
    padding: 0.35rem 0.6rem;
    align-self: flex-start;
}

.ref-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 0.75rem;
}

.ghost-button {
    background: transparent;
    color: rgba(180, 210, 255, 0.85);
    border: 1px dashed rgba(120, 190, 255, 0.4);
    border-radius: 999px;
    padding: 0.5rem 1.2rem;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.ghost-button:hover {
    color: rgba(220, 238, 255, 0.95);
    border-style: solid;
    box-shadow: 0 6px 18px rgba(76, 155, 255, 0.25);
}

.ghost-button:focus-visible {
    outline: 2px solid rgba(120, 190, 255, 0.6);
    outline-offset: 2px;
}

.sora-query-result {
    display: grid;
    gap: 0.75rem;
    padding: 1rem;
    border-radius: 12px;
    background: rgba(12, 34, 68, 0.5);
    border: 1px solid rgba(110, 185, 255, 0.18);
    max-height: 380px;
    overflow-y: auto;
    color: rgba(214, 232, 255, 0.9);
}

.sora-task-card {
    border-radius: 10px;
    border: 1px solid rgba(110, 185, 255, 0.22);
    padding: 0.75rem 1rem;
    background: rgba(18, 46, 92, 0.45);
    display: grid;
    gap: 0.5rem;
}

.sora-task-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    font-size: 0.85rem;
    color: rgba(199, 218, 255, 0.7);
}

.sora-task-meta strong {
    color: rgba(224, 240, 255, 0.92);
}

.sora-task-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.sora-task-actions a {
    color: rgba(180, 210, 255, 0.9);
    text-decoration: underline;
}

@media (max-width: 768px) {
    .workspace-nav {
        flex-direction: column;
        gap: 1rem;
    }

    .workspace-tabs {
        width: 100%;
        justify-content: space-between;
    }

    .workspace-tabs .tab {
        flex: 1;
    }
}


/* ========== 侧边栏导航 ========== */
.app-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    min-height: 100vh;
    background: #ffffff;
    border-right: 1px solid rgba(226, 232, 240, 0.9);
    box-shadow: 2px 0 12px rgba(15, 23, 42, 0.04);
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 200;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
    transition: width 0.3s ease;
}

/* 收起状态 */
.sidebar.collapsed {
    width: 64px;
}

.sidebar-header {
    padding: 12px;
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 60px;
    gap: 8px;
}

.sidebar.collapsed .sidebar-header {
    flex-direction: column;
    padding: 12px 0;
    gap: 8px;
    align-items: center;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    overflow: hidden;
    flex-shrink: 0;
}

.sidebar.collapsed .sidebar-logo {
    width: 32px;
    justify-content: center;
}

.sidebar-logo-icon {
    width: 32px;
    height: 32px;
    min-width: 32px;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.25);
    flex-shrink: 0;
}

.sidebar-logo-text {
    display: flex;
    flex-direction: column;
    white-space: nowrap;
    opacity: 1;
    transition: opacity 0.2s ease;
}

.sidebar.collapsed .sidebar-logo-text {
    opacity: 0;
    width: 0;
}

.sidebar-logo-title {
    font-size: 16px;
    font-weight: 700;
    color: #1e293b;
}

.sidebar-logo-subtitle {
    font-size: 11px;
    color: #64748b;
}

.sidebar-toggle {
    background: none;
    border: none;
    font-size: 16px;
    color: #64748b;
    cursor: pointer;
    width: 32px;
    height: 32px;
    padding: 0;
    border-radius: 8px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.sidebar-toggle:hover {
    background: rgba(99, 102, 241, 0.08);
    color: #6366f1;
}

.sidebar-close {
    display: none;
    background: none;
    border: none;
    font-size: 20px;
    color: #64748b;
    cursor: pointer;
    padding: 4px;
}

.sidebar-user {
    padding: 12px;
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.sidebar-user-avatar {
    width: 32px;
    height: 32px;
    min-width: 32px;
    background: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 13px;
    font-weight: 600;
}

.sidebar-user-info {
    margin-top: 12px;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    transition: opacity 0.2s ease;
}

.sidebar.collapsed .sidebar-user-info {
    opacity: 0;
    height: 0;
    margin: 0;
}

.sidebar-user-name {
    font-size: 14px;
    font-weight: 600;
    color: #1e293b;
}

.sidebar-user-points {
    font-size: 13px;
    color: #f59e0b;
    font-weight: 500;
}

.sidebar-invite-btn {
    width: 100%;
    padding: 10px 16px;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.sidebar.collapsed .sidebar-invite-btn {
    padding: 10px;
    font-size: 0;
}

.sidebar-invite-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
}

.sidebar-section {
    padding: 12px 8px;
}

.sidebar.collapsed .sidebar-section {
    padding: 12px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.sidebar-section-title {
    font-size: 11px;
    font-weight: 600;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0 8px;
    margin-bottom: 8px;
    white-space: nowrap;
    overflow: hidden;
    transition: opacity 0.2s ease;
}

.sidebar.collapsed .sidebar-section-title {
    opacity: 0;
    height: 0;
    margin: 0;
    padding: 0;
}

.sidebar-nav {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar.collapsed .sidebar-nav {
    align-items: center;
    gap: 12px;
}

.sidebar-nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    text-decoration: none;
    color: #475569;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s;
    white-space: nowrap;
    overflow: hidden;
}

.sidebar.collapsed .sidebar-nav-item {
    padding: 0;
    justify-content: center;
    width: auto;
    height: auto;
}

.sidebar.collapsed .sidebar-nav-item.active {
    background: transparent;
    box-shadow: none;
    color: #6366f1;
}

.sidebar-nav-item:hover {
    background: rgba(99, 102, 241, 0.08);
    color: #6366f1;
}

.sidebar-nav-item.active {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
}

.sidebar-nav-item.active .sidebar-nav-icon {
    color: white;
}

.sidebar-nav-icon {
    font-size: 16px;
    width: 20px;
    min-width: 20px;
    text-align: center;
    line-height: 1;
    color: #64748b;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar.collapsed .sidebar-nav-icon {
    width: 32px;
    min-width: 32px;
    height: 32px;
    font-size: 18px;
}

.sidebar-nav-item.active .sidebar-nav-icon,
.sidebar-nav-item:hover .sidebar-nav-icon {
    color: inherit;
}

.sidebar-nav-text {
    transition: opacity 0.2s ease;
}

.sidebar.collapsed .sidebar-nav-text {
    opacity: 0;
    width: 0;
}

.sidebar-nav-badge {
    margin-left: auto;
    padding: 2px 8px;
    background: #ef4444;
    color: white;
    font-size: 11px;
    font-weight: 600;
    border-radius: 999px;
}

.sidebar.collapsed .sidebar-nav-badge {
    display: none;
}

.sidebar-footer {
    margin-top: auto;
    padding: 12px 8px;
    border-top: 1px solid rgba(226, 232, 240, 0.6);
}

/* 主内容区域偏移 */
.app-content {
    flex: 1;
    margin-left: 260px;
    transition: margin-left 0.3s ease;
}

.app-content .workspace-header {
    display: none;
}

/* Tooltip for collapsed state */
.sidebar.collapsed .sidebar-nav-item {
    position: relative;
}

.sidebar.collapsed .sidebar-nav-item:hover::after {
    content: attr(data-title);
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    margin-left: 12px;
    padding: 8px 12px;
    background: #1e293b;
    color: white;
    font-size: 13px;
    border-radius: 8px;
    white-space: nowrap;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* 移动端响应式 */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease, width 0.3s ease;
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .sidebar-close {
        display: block;
    }

    .app-content {
        margin-left: 0 !important;
    }

    .app-content .workspace-header {
        display: block;
    }

    .mobile-menu-btn {
        display: flex;
    }
}

.mobile-menu-btn {
    display: none;
    position: fixed;
    left: 16px;
    top: 16px;
    z-index: 150;
    width: 44px;
    height: 44px;
    background: white;
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: 12px;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.4);
    z-index: 190;
}

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

@media (max-width: 1024px) {
    .mobile-menu-btn {
        display: flex;
    }
}