/* ===== CSS Variables ===== */
:root {
    --color-bg: #0f1117;
    --color-surface: #1a1d27;
    --color-surface-alt: #222633;
    --color-border: #2e3348;
    --color-border-light: #3a3f55;
    --color-text: #e2e4ed;
    --color-text-muted: #8b90a5;
    --color-text-dim: #5c6178;
    --color-primary: #6c8cff;
    --color-primary-hover: #8aa4ff;
    --color-primary-bg: rgba(108, 140, 255, 0.12);
    --color-accent: #f5a623;
    --color-accent-hover: #f7b84d;
    --color-accent-bg: rgba(245, 166, 35, 0.12);
    --color-success: #4cda8a;
    --color-success-bg: rgba(76, 218, 138, 0.12);
    --color-danger: #f25c5c;
    --color-danger-bg: rgba(242, 92, 92, 0.12);
    --color-warning: #f5a623;
    --color-warning-bg: rgba(245, 166, 35, 0.12);
    --color-info: #6cc4f5;
    --color-info-bg: rgba(108, 196, 245, 0.12);
    --radius: 10px;
    --radius-sm: 6px;
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --transition: 0.2s ease;
    --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
}

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}

/* ===== Header ===== */
.app-header {
    text-align: center;
    padding: 2rem 1rem 1rem;
    background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-surface-alt) 100%);
    border-bottom: 1px solid var(--color-border);
}

.app-header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.app-header .subtitle {
    color: var(--color-text-muted);
    font-size: 1rem;
}

/* ===== Tab Navigation ===== */
.tab-nav {
    display: flex;
    justify-content: center;
    gap: 0.25rem;
    padding: 0.75rem 1rem;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-link {
    padding: 0.6rem 1.4rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--color-text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all var(--transition);
    border: 1px solid transparent;
}

.nav-link:hover {
    color: var(--color-text);
    background: var(--color-surface-alt);
}

.nav-link.active {
    color: var(--color-primary);
    background: var(--color-primary-bg);
    border-color: var(--color-primary);
}

/* ===== Sections ===== */
main {
    max-width: 900px;
    margin: 0 auto;
    padding: 1.5rem 1rem 4rem;
}

.section {
    display: none;
}

.section.active {
    display: block;
}

.section h2 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--color-text);
}

/* ===== Cards ===== */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
}

.card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--color-text);
}

.help-text {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    line-height: 1.5;
}

/* ===== Textarea ===== */
textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-family: inherit;
    font-size: 0.95rem;
    line-height: 1.6;
    resize: vertical;
    transition: border-color var(--transition);
}

textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-bg);
}

textarea::placeholder {
    color: var(--color-text-dim);
}

/* ===== Buttons ===== */
.button-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 1.2rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    background: var(--color-surface-alt);
    color: var(--color-text);
    text-decoration: none;
}

.btn:hover:not(:disabled) {
    border-color: var(--color-border-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-primary {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}

.btn-accent {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #111;
    font-weight: 600;
}

.btn-accent:hover:not(:disabled) {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
}

.btn-secondary {
    background: transparent;
    border-color: var(--color-border-light);
    color: var(--color-text-muted);
}

.btn-secondary:hover:not(:disabled) {
    color: var(--color-text);
    background: var(--color-surface-alt);
}

/* ===== Status Messages ===== */
.status-msg {
    font-size: 0.85rem;
    font-weight: 500;
    transition: opacity var(--transition);
}

.status-msg.success {
    color: var(--color-success);
}

.status-msg.error {
    color: var(--color-danger);
}

/* ===== Pipeline Diagram ===== */
.pipeline-overview {
    background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-surface-alt) 100%);
}

#pipeline-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 0;
    flex-wrap: wrap;
}

.pipeline-stage {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    padding: 0.75rem 1.25rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    min-width: 90px;
    transition: all var(--transition);
}

.pipeline-stage .stage-icon {
    font-size: 1.5rem;
}

.pipeline-stage .stage-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-muted);
}

.pipeline-arrow {
    font-size: 1.4rem;
    color: var(--color-text-dim);
    font-weight: 300;
}
/* ===== Pipeline Diagram: HTML Book stage ===== */
.pipeline-stage[data-stage="htmlbook"] {
    border-color: var(--color-accent);
}

/* ===== Steps ===== */
.step {}

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

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background: var(--color-primary-bg);
    color: var(--color-primary);
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.step-title {
    font-size: 1.1rem;
    font-weight: 600;
}

.step-desc {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

/* ===== Step Badges ===== */
.step-badge {
    display: inline-block;
    padding: 0.2rem 0.7rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-left: auto;
}

.step-badge.pending {
    background: var(--color-surface-alt);
    color: var(--color-text-dim);
    border: 1px solid var(--color-border);
}

.step-badge.running {
    background: var(--color-info-bg);
    color: var(--color-info);
    border: 1px solid var(--color-info);
    animation: pulse-badge 1.5s ease-in-out infinite;
}

.step-badge.done {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid var(--color-success);
}

.step-badge.error {
    background: var(--color-danger-bg);
    color: var(--color-danger);
    border: 1px solid var(--color-danger);
}

@keyframes pulse-badge {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.6;
    }
}

/* ===== Sequel Controls ===== */
.sequel-controls {
    margin-top: 0.75rem;
}

.sequel-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}

.sequel-info .label {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.episode-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.2rem 0.6rem;
    background: var(--color-primary-bg);
    color: var(--color-primary);
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.95rem;
    min-width: 2rem;
    text-align: center;
}

/* ===== Batch Controls ===== */
.batch-controls {
    margin-top: 0.75rem;
}

.batch-controls label {
    display: block;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.batch-input-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.batch-input {
    width: 80px;
    padding: 0.55rem 0.75rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
}

.batch-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-bg);
}

/* ===== Viewers ===== */
.viewer {
    display: none;
    margin-top: 1rem;
    padding: 1.25rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    max-height: 600px;
    overflow-y: auto;
    line-height: 1.7;
}

.viewer.visible {
    display: block;
}

.viewer h1,
.viewer h2,
.viewer h3,
.viewer h4 {
    margin-top: 1rem;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.viewer h1 {
    font-size: 1.4rem;
}

.viewer h2 {
    font-size: 1.2rem;
}

.viewer h3 {
    font-size: 1.05rem;
}

.viewer p {
    margin-bottom: 0.75rem;
}

.viewer ul,
.viewer ol {
    margin-left: 1.5rem;
    margin-bottom: 0.75rem;
}

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

.viewer code {
    background: var(--color-surface-alt);
    padding: 0.15rem 0.4rem;
    border-radius: 3px;
    font-family: var(--font-mono);
    font-size: 0.88rem;
}

.viewer pre {
    background: var(--color-surface-alt);
    padding: 1rem;
    border-radius: var(--radius-sm);
    overflow-x: auto;
    margin-bottom: 0.75rem;
}

.viewer pre code {
    background: none;
    padding: 0;
}

.viewer blockquote {
    border-left: 3px solid var(--color-primary);
    padding-left: 1rem;
    margin: 0.75rem 0;
    color: var(--color-text-muted);
}

.viewer img {
    max-width: 100%;
    border-radius: var(--radius-sm);
}

.viewer hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 1rem 0;
}

.placeholder {
    color: var(--color-text-dim);
    font-style: italic;
    text-align: center;
    padding: 2rem 1rem;
}

/* ===== Batch Log ===== */
.batch-log {
    display: none;
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    max-height: 350px;
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    line-height: 1.6;
}

.batch-log.visible {
    display: block;
}

.log-entry {
    padding: 0.15rem 0;
}

.log-info {
    color: var(--color-text-muted);
}

.log-success {
    color: var(--color-success);
}

.log-error {
    color: var(--color-danger);
}

.log-warn {
    color: var(--color-warning);
}

.log-entry a.monitor-link {
    color: var(--color-info);
    text-decoration: underline;
}

.log-entry a.monitor-link:hover {
    color: var(--color-primary);
}

/* ===== Series Section ===== */
.series-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.series-header h3 {
    margin-bottom: 0;
}

.series-header .button-row {
    margin-top: 0;
}

.series-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Episode Card */
.episode-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all var(--transition);
}

.episode-card:hover {
    border-color: var(--color-border-light);
    box-shadow: var(--shadow-lg);
}

.episode-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    background: var(--color-surface-alt);
    border-bottom: 1px solid var(--color-border);
    cursor: pointer;
    user-select: none;
}

.episode-header:hover {
    background: var(--color-bg);
}

.episode-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.episode-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.2rem;
    height: 2.2rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #fff;
    font-weight: 700;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.episode-label {
    font-weight: 600;
    font-size: 1.05rem;
}

.episode-toggle {
    font-size: 1.2rem;
    color: var(--color-text-dim);
    transition: transform var(--transition);
}

.episode-toggle.open {
    transform: rotate(180deg);
}

.episode-content {
    display: none;
    padding: 1.25rem;
    line-height: 1.7;
}

.episode-content.visible {
    display: block;
}

.episode-content h1,
.episode-content h2,
.episode-content h3,
.episode-content h4 {
    margin-top: 1rem;
    margin-bottom: 0.5rem;
}

.episode-content h1 {
    font-size: 1.4rem;
}

.episode-content h2 {
    font-size: 1.2rem;
}

.episode-content h3 {
    font-size: 1.05rem;
}

.episode-content p {
    margin-bottom: 0.75rem;
}

.episode-content ul,
.episode-content ol {
    margin-left: 1.5rem;
    margin-bottom: 0.75rem;
}

.episode-content li {
    margin-bottom: 0.3rem;
}

.episode-content code {
    background: var(--color-surface-alt);
    padding: 0.15rem 0.4rem;
    border-radius: 3px;
    font-family: var(--font-mono);
    font-size: 0.88rem;
}

.episode-content pre {
    background: var(--color-surface-alt);
    padding: 1rem;
    border-radius: var(--radius-sm);
    overflow-x: auto;
    margin-bottom: 0.75rem;
}

.episode-content pre code {
    background: none;
    padding: 0;
}

.episode-content blockquote {
    border-left: 3px solid var(--color-primary);
    padding-left: 1rem;
    margin: 0.75rem 0;
    color: var(--color-text-muted);
}

.episode-content img {
    max-width: 100%;
    border-radius: var(--radius-sm);
}

.episode-content hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 1rem 0;
}

/* ===== Session Monitor Links ===== */
.session-link-container {
    display: none;
    margin-top: 0.75rem;
}

.session-monitor-link,
.session-completed-link,
.session-error-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
}

.session-monitor-link {
    background: var(--color-info-bg);
    border: 1px solid rgba(108, 196, 245, 0.2);
}

.session-completed-link {
    background: var(--color-success-bg);
    border: 1px solid rgba(76, 218, 138, 0.2);
}

.session-error-link {
    background: var(--color-danger-bg);
    border: 1px solid rgba(242, 92, 92, 0.2);
}

.monitor-pulse {
    color: var(--color-info);
    animation: pulse-dot 1s ease-in-out infinite;
}

@keyframes pulse-dot {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.3;
    }
}

a.monitor-link {
    color: var(--color-info);
    text-decoration: underline;
    font-weight: 500;
}

a.monitor-link:hover {
    color: var(--color-primary);
}

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

#loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 17, 23, 0.8);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

#loading-text {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* ===== Responsive ===== */
@media (max-width: 640px) {
    .app-header h1 {
        font-size: 1.5rem;
    }

    .tab-nav {
        gap: 0.15rem;
        padding: 0.5rem;
    }

    .nav-link {
        padding: 0.5rem 0.8rem;
        font-size: 0.85rem;
    }

    main {
        padding: 1rem 0.75rem 3rem;
    }

    .card {
        padding: 1rem;
    }

    #pipeline-diagram {
        gap: 0.3rem;
    }

    .pipeline-stage {
        padding: 0.5rem 0.75rem;
        min-width: 70px;
    }

    .pipeline-arrow {
        font-size: 1rem;
    }

    .series-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .batch-input-row {
        flex-direction: column;
        align-items: stretch;
    }

    .batch-input {
        width: 100%;
    }

}

.comic-iframe {
    width: 100%;
    height: 100%;
    background-color: cornflowerblue;
}
/* ===== Comic Display Container ===== */
.comic-display {
     position: relative;
     width: 100%;
     min-height: 300px;
     height: 500px;
     resize: both;
     overflow: hidden;
     border: 1px solid var(--color-border);
     border-radius: var(--radius-sm);
     background: var(--color-bg);
}
.comic-display.fullscreen {
     position: fixed;
     top: 0;
     left: 0;
     width: 100vw !important;
     height: 100vh !important;
     z-index: 10000;
     border-radius: 0;
     border: none;
     resize: none;
     margin: 0;
}
.comic-display .comic-iframe {
     width: 100%;
     height: 100%;
     border: none;
     display: block;
}
.comic-display-toolbar {
     position: absolute;
     top: 0;
     right: 0;
     display: flex;
     align-items: center;
     gap: 0.25rem;
     padding: 0.35rem 0.5rem;
     background: rgba(15, 17, 23, 0.75);
     backdrop-filter: blur(6px);
     border-bottom-left-radius: var(--radius-sm);
     z-index: 10;
     opacity: 0;
     transition: opacity 0.25s ease;
}
.comic-display:hover .comic-display-toolbar,
.comic-display.fullscreen .comic-display-toolbar {
     opacity: 1;
}
.comic-display-toolbar button {
     display: inline-flex;
     align-items: center;
     justify-content: center;
     width: 2rem;
     height: 2rem;
     border: 1px solid var(--color-border-light);
     border-radius: var(--radius-sm);
     background: var(--color-surface-alt);
     color: var(--color-text-muted);
     font-size: 1rem;
     cursor: pointer;
     transition: all var(--transition);
     padding: 0;
     line-height: 1;
}
.comic-display-toolbar button:hover {
     background: var(--color-primary-bg);
     color: var(--color-primary);
     border-color: var(--color-primary);
}
.comic-display-toolbar .size-label {
     color: var(--color-text-dim);
     font-size: 0.7rem;
     font-family: var(--font-mono);
     min-width: 5rem;
     text-align: center;
     user-select: none;
}
.comic-display .resize-hint {
     position: absolute;
     bottom: 4px;
     right: 4px;
     width: 16px;
     height: 16px;
     pointer-events: none;
     opacity: 0.3;
     transition: opacity 0.25s ease;
}
.comic-display:hover .resize-hint {
     opacity: 0.6;
}
.comic-display.fullscreen .resize-hint {
     display: none;
}
.resize-hint svg {
     width: 16px;
     height: 16px;
     fill: var(--color-text-dim);
}
/* Fullscreen backdrop for non-native fullscreen fallback */
.fullscreen-backdrop {
     position: fixed;
     inset: 0;
     background: rgba(0, 0, 0, 0.85);
     z-index: 9999;
}
/* ===== Model Settings ===== */
.model-settings-grid {
     display: flex;
     flex-direction: column;
     gap: 1.25rem;
     margin-bottom: 1rem;
}
.model-setting {
     display: flex;
     flex-direction: column;
     gap: 0.3rem;
}
.model-setting label {
     font-weight: 600;
     font-size: 0.95rem;
     color: var(--color-text);
}
.model-setting .setting-desc {
     color: var(--color-text-muted);
     font-size: 0.82rem;
     margin-bottom: 0.3rem;
}
.model-select {
     width: 100%;
     padding: 0.6rem 0.85rem;
     background: var(--color-bg);
     border: 1px solid var(--color-border);
     border-radius: var(--radius-sm);
     color: var(--color-text);
     font-family: inherit;
     font-size: 0.9rem;
     cursor: pointer;
     transition: border-color var(--transition);
     appearance: none;
     -webkit-appearance: none;
     background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238b90a5' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
     background-repeat: no-repeat;
     background-position: right 0.75rem center;
     padding-right: 2rem;
}
.model-select:focus {
     outline: none;
     border-color: var(--color-primary);
     box-shadow: 0 0 0 3px var(--color-primary-bg);
}
.model-select:hover {
     border-color: var(--color-border-light);
}
.model-select option {
     background: var(--color-surface);
     color: var(--color-text);
     padding: 0.4rem;
}
.model-summary {
     font-family: var(--font-mono);
     font-size: 0.82rem;
     line-height: 1.8;
}
.model-summary-row {
     display: flex;
     align-items: center;
     gap: 0.75rem;
     padding: 0.4rem 0;
     border-bottom: 1px solid var(--color-border);
}
.model-summary-row:last-child {
     border-bottom: none;
}
.model-summary-label {
     color: var(--color-text-muted);
     min-width: 8rem;
     flex-shrink: 0;
}
.model-summary-value {
     color: var(--color-primary);
     font-weight: 600;
}
.model-summary-value.not-set {
     color: var(--color-text-dim);
     font-style: italic;
     font-weight: 400;
}
.model-indicator {
     display: inline-flex;
     align-items: center;
     gap: 0.4rem;
     padding: 0.2rem 0.6rem;
     background: var(--color-surface-alt);
     border: 1px solid var(--color-border);
     border-radius: var(--radius-sm);
     font-size: 0.75rem;
     font-family: var(--font-mono);
     color: var(--color-text-muted);
     margin-left: auto;
     flex-shrink: 0;
}
.model-indicator .model-dot {
     width: 6px;
     height: 6px;
     border-radius: 50%;
     background: var(--color-success);
}
.model-indicator.no-model .model-dot {
     background: var(--color-text-dim);
}
@media (max-width: 640px) {
     .model-summary-row {
         flex-direction: column;
         align-items: flex-start;
         gap: 0.2rem;
     }
     .model-indicator {
         margin-left: 0;
     }
}
/* ===== Usage Section ===== */
.usage-summary {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
    margin-bottom: 1rem;
}
.usage-summary-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.25rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.85rem;
    box-shadow: var(--shadow);
    transition: all var(--transition);
}
.usage-summary-card:hover {
    border-color: var(--color-border-light);
    box-shadow: var(--shadow-lg);
}
.usage-summary-card.usage-summary-cost {
    border-color: var(--color-accent);
    background: linear-gradient(135deg, var(--color-surface) 0%, rgba(245, 166, 35, 0.05) 100%);
}
.usage-summary-icon {
    font-size: 1.6rem;
    flex-shrink: 0;
}
.usage-summary-detail {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    min-width: 0;
}
.usage-summary-value {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-text);
    font-family: var(--font-mono);
    line-height: 1.2;
}
.usage-summary-cost .usage-summary-value {
    color: var(--color-accent);
}
.usage-summary-label {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 500;
}
/* Usage Table */
.usage-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}
.usage-table thead tr {
    border-bottom: 2px solid var(--color-border);
}
.usage-table th {
    padding: 0.65rem 0.85rem;
    text-align: left;
    font-weight: 600;
    color: var(--color-text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.usage-table td {
    padding: 0.65rem 0.85rem;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text);
}
.usage-table tbody tr:hover {
    background: var(--color-surface-alt);
}
.usage-table .num-col {
    text-align: right;
    font-family: var(--font-mono);
    font-size: 0.88rem;
}
.usage-table .model-name-cell {
    font-weight: 600;
    color: var(--color-primary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
}
.usage-table .cost-cell {
    color: var(--color-accent);
    font-weight: 600;
}
/* Usage JSON Output */
.usage-json-output {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 1rem;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: auto;
    max-height: 400px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-word;
}
/* Task Sessions */
.task-sessions-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.task-session-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 0.85rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}
.task-session-row:hover {
    border-color: var(--color-border-light);
    background: var(--color-surface-alt);
}
.task-session-info {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    min-width: 0;
    flex: 1;
}
.task-session-target {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-text);
    font-family: var(--font-mono);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.task-session-id {
    font-size: 0.75rem;
    color: var(--color-text-dim);
    font-family: var(--font-mono);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.task-session-usage {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}
.task-token-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.2rem 0.55rem;
    background: var(--color-surface-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--color-text-muted);
    white-space: nowrap;
}
.task-token-badge.dim {
    color: var(--color-text-dim);
    font-style: italic;
    font-family: inherit;
}
.task-cost-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.55rem;
    background: var(--color-accent-bg);
    border: 1px solid rgba(245, 166, 35, 0.25);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--color-accent);
    white-space: nowrap;
}
.task-session-links {
    display: flex;
    gap: 0.35rem;
    flex-shrink: 0;
}
.btn-sm {
    padding: 0.3rem 0.65rem;
    font-size: 0.78rem;
}
/* Responsive: Usage */
@media (max-width: 768px) {
    .usage-summary {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 480px) {
    .usage-summary {
        grid-template-columns: 1fr;
    }
    .task-session-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    .task-session-usage {
        flex-wrap: wrap;
    }
    .task-session-links {
        width: 100%;
    }
    .task-session-links .btn-sm {
        flex: 1;
        text-align: center;
        justify-content: center;
    }
}