/* === CSS Variables === */
:root {
    --color-bg: #0f1117;
    --color-surface: #1a1d27;
    --color-surface-hover: #222632;
    --color-surface-raised: #1e2230;
    --color-border: #2a2e3a;
    --color-border-light: #353a48;
    --color-border-focus: #4a5068;
    --color-text: #e4e6ed;
    --color-text-muted: #8b8fa3;
    --color-text-dim: #5c6070;
    --color-primary: #6c8cff;
    --color-primary-hover: #8aa4ff;
    --color-primary-bg: rgba(108, 140, 255, 0.1);
    --color-primary-border: rgba(108, 140, 255, 0.25);
    --color-accent: #a78bfa;
    --color-accent-hover: #c4b5fd;
    --color-accent-bg: rgba(167, 139, 250, 0.1);
    --color-success: #34d399;
    --color-success-bg: rgba(52, 211, 153, 0.1);
    --color-success-border: rgba(52, 211, 153, 0.25);
    --color-warning: #fbbf24;
    --color-warning-bg: rgba(251, 191, 36, 0.1);
    --color-warning-border: rgba(251, 191, 36, 0.25);
    --color-danger: #f87171;
    --color-danger-bg: rgba(248, 113, 113, 0.1);
    --color-danger-border: rgba(248, 113, 113, 0.25);
    --color-info: #60a5fa;
    --color-info-bg: rgba(96, 165, 250, 0.1);
    --color-info-border: rgba(96, 165, 250, 0.25);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-xs: 4px;
    --radius-full: 9999px;
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(108, 140, 255, 0.15);
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --transition: 0.2s ease;
    --transition-slow: 0.35s ease;
}

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

html {
    font-size: 15px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

#app {
    max-width: 960px;
    margin: 0 auto;
    padding: 24px 20px 80px;
}

/* === Header === */
.app-header {
    text-align: center;
    padding: 36px 0 12px;
}

.app-header h1 {
    font-size: 2.1rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 6px;
    letter-spacing: -0.02em;
}

.subtitle {
    color: var(--color-text-muted);
    font-size: 1rem;
    max-width: 500px;
    margin: 0 auto;
}

.header-meta {
    margin-top: 8px;
}

.session-id-display {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--color-text-dim);
    background: var(--color-surface);
    padding: 3px 10px;
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
    cursor: default;
    user-select: all;
}

/* === Tab Navigation === */
.tab-nav {
    display: flex;
    gap: 4px;
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 4px;
    margin: 20px 0 8px;
    border: 1px solid var(--color-border);
}

.nav-link {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 11px 16px;
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all var(--transition);
    cursor: pointer;
    user-select: none;
}

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

.nav-link.active {
    color: var(--color-primary);
    background: var(--color-primary-bg);
    font-weight: 600;
    box-shadow: 0 1px 4px rgba(108, 140, 255, 0.1);
}

.nav-icon {
    font-size: 1.05em;
}

/* === Global Progress Bar === */
.global-progress {
    display: none;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    margin-bottom: 8px;
}

.global-progress.visible {
    display: flex;
    animation: fadeIn 0.25s ease;
}

.progress-track {
    flex: 1;
    height: 4px;
    background: var(--color-border);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-full);
    transition: width 0.5s ease;
}

.progress-fill.indeterminate {
    width: 30%;
    animation: indeterminate 1.5s ease-in-out infinite;
}

@keyframes indeterminate {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(400%); }
}

.progress-label {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    white-space: nowrap;
    min-width: 80px;
    text-align: right;
}

/* === Sections === */
.section {
    display: none;
}

.section.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.section-header {
    margin-bottom: 20px;
}

.section-header h2 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 4px;
}

.section-subtitle {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* === Cards === */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 22px;
    margin-bottom: 16px;
    box-shadow: var(--shadow);
    transition: border-color var(--transition);
}

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

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
    flex-wrap: wrap;
    gap: 8px;
}

.card h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-text);
}

.card-tips {
    background: var(--color-surface);
    border-color: var(--color-border);
}

.card-pipeline-overview {
    background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
}

.card-batch {
    border-color: var(--color-accent);
    border-style: dashed;
}

.card-batch:hover {
    border-color: var(--color-accent-hover);
    box-shadow: 0 0 16px rgba(167, 139, 250, 0.08);
}

.hint {
    color: var(--color-text-muted);
    font-size: 0.88rem;
    margin-bottom: 12px;
    line-height: 1.5;
}

/* === Character Count === */
.char-count {
    font-size: 0.78rem;
    color: var(--color-text-dim);
    font-family: var(--font-mono);
    padding: 2px 8px;
    background: var(--color-bg);
    border-radius: var(--radius-xs);
}

/* === Example Prompts === */
.example-prompts {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.example-label {
    font-size: 0.82rem;
    color: var(--color-text-dim);
    font-weight: 500;
}

.btn-example {
    padding: 5px 12px;
    font-size: 0.78rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-example:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-primary-border);
    color: var(--color-primary);
}
/* === Script Mode Toggle === */
.script-mode-toggle {
     display: flex;
     gap: 4px;
     margin: 12px 0;
     background: var(--color-bg);
     border-radius: var(--radius-sm);
     padding: 3px;
     border: 1px solid var(--color-border);
     width: fit-content;
}
.mode-btn {
     display: inline-flex;
     align-items: center;
     gap: 6px;
     padding: 8px 16px;
     border: none;
     border-radius: 6px;
     background: transparent;
     color: var(--color-text-muted);
     font-size: 0.85rem;
     font-weight: 500;
     cursor: pointer;
     transition: all var(--transition);
     white-space: nowrap;
}
.mode-btn:hover {
     color: var(--color-text);
     background: var(--color-surface-hover);
}
.mode-btn.active {
     color: var(--color-primary);
     background: var(--color-primary-bg);
     font-weight: 600;
     box-shadow: 0 1px 4px rgba(108, 140, 255, 0.1);
}
.mode-icon {
     font-size: 1em;
     line-height: 1;
}
/* === Script Mode Panels === */
.script-mode-panel {
     display: none;
}
.script-mode-panel.active {
     display: block;
     animation: fadeIn 0.2s ease;
}
/* === Script Editor Textarea === */
.script-editor-textarea {
     width: 100%;
     padding: 14px 16px;
     background: var(--color-bg);
     border: 1px solid var(--color-border);
     border-radius: var(--radius-sm);
     color: var(--color-text);
     font-family: var(--font-mono);
     font-size: 0.85rem;
     line-height: 1.6;
     resize: vertical;
     transition: border-color var(--transition), box-shadow var(--transition);
     min-height: 200px;
     tab-size: 4;
     -moz-tab-size: 4;
}
.script-editor-textarea:focus {
     outline: none;
     border-color: var(--color-primary);
     box-shadow: 0 0 0 3px var(--color-primary-bg);
}
.script-editor-textarea::placeholder {
     color: var(--color-text-dim);
     font-family: var(--font-mono);
}


/* === Tips List === */
.tips-list {
    list-style: none;
    padding: 0;
}

.tips-list li {
    padding: 6px 0 6px 24px;
    position: relative;
    color: var(--color-text-muted);
    font-size: 0.88rem;
    line-height: 1.5;
}

.tips-list li::before {
    content: '→';
    position: absolute;
    left: 4px;
    color: var(--color-primary);
    font-weight: 600;
}

.tips-list li strong {
    color: var(--color-text);
}

/* === Textarea === */
textarea {
    width: 100%;
    padding: 14px 16px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    line-height: 1.65;
    resize: vertical;
    transition: border-color var(--transition), box-shadow var(--transition);
    min-height: 120px;
}

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: 10px;
    margin-top: 14px;
    flex-wrap: wrap;
}

.button-row-compact {
    margin-top: 0;
    gap: 6px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 18px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    background: var(--color-surface);
    color: var(--color-text);
    text-decoration: none;
    white-space: nowrap;
    user-select: none;
    position: relative;
    overflow: hidden;
}

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

.btn:active {
    transform: scale(0.98);
}

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

.btn:disabled:hover {
    background: var(--color-surface);
}

.btn-icon {
    font-size: 1em;
    line-height: 1;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.82rem;
}

.btn-lg {
    padding: 12px 28px;
    font-size: 0.95rem;
}

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

.btn-primary:hover {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    box-shadow: 0 2px 8px rgba(108, 140, 255, 0.3);
}

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

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

.btn-accent {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-color: transparent;
    color: #fff;
    font-weight: 600;
}

.btn-accent:hover {
    opacity: 0.9;
    box-shadow: var(--shadow-glow);
}

/* Button loading spinner */
.btn.loading .btn-icon {
    display: none;
}

.btn.loading::before {
    content: '';
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    flex-shrink: 0;
}

.btn-secondary.loading::before {
    border-color: rgba(139, 143, 163, 0.3);
    border-top-color: var(--color-text-muted);
}

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

/* === Status Messages === */
.status-msg {
    font-size: 0.85rem;
    font-weight: 500;
    transition: opacity var(--transition);
    min-height: 1.2em;
}

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

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

/* === Pipeline Diagram === */
.pipeline-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: 20px 0;
}

.pipeline-stage {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 16px 24px;
    background: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius);
    min-width: 110px;
    transition: all var(--transition-slow);
    position: relative;
}

.pipeline-stage.active {
    border-color: var(--color-warning-border);
    background: var(--color-warning-bg);
    box-shadow: 0 0 16px rgba(251, 191, 36, 0.1);
}

.pipeline-stage.completed {
    border-color: var(--color-success-border);
    background: var(--color-success-bg);
}

.pipeline-stage.error {
    border-color: var(--color-danger-border);
    background: var(--color-danger-bg);
}

.stage-icon-wrap {
    position: relative;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stage-icon {
    font-size: 1.5rem;
    transition: transform var(--transition);
}

.pipeline-stage.active .stage-icon {
    animation: bounce 1s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-3px); }
}

.stage-check {
    display: none;
    position: absolute;
    bottom: -4px;
    right: -4px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-success);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 700;
    line-height: 18px;
    text-align: center;
}

.pipeline-stage.completed .stage-check {
    display: block;
    animation: popIn 0.3s ease;
}

@keyframes popIn {
    0% { transform: scale(0); }
    70% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.stage-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-text);
}

.stage-status {
    font-size: 0.72rem;
    color: var(--color-text-dim);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

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

.stage-status.running {
    color: var(--color-warning);
}

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

/* Pipeline Connectors */
.pipeline-connector {
    display: flex;
    align-items: center;
    width: 48px;
    position: relative;
}

.connector-line {
    flex: 1;
    height: 2px;
    background: var(--color-border);
    transition: background var(--transition-slow);
}

.connector-line.active {
    background: linear-gradient(90deg, var(--color-success), var(--color-warning));
}

.connector-line.completed {
    background: var(--color-success);
}

.connector-arrow {
    font-size: 1.2rem;
    color: var(--color-text-dim);
    font-weight: 300;
    line-height: 1;
    margin-left: -2px;
}

/* === Steps === */
.step {
    position: relative;
}

.step-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--color-primary-bg);
    color: var(--color-primary);
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
    border: 1px solid var(--color-primary-border);
}

.step-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-text);
}

.step-desc {
    color: var(--color-text-muted);
    font-size: 0.88rem;
    margin-bottom: 4px;
    line-height: 1.55;
}

.step-desc code {
    background: var(--color-bg);
    padding: 2px 7px;
    border-radius: var(--radius-xs);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--color-accent);
    border: 1px solid var(--color-border);
}

/* === Step Badges === */
.step-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-left: auto;
    transition: all var(--transition);
}

.step-badge.pending {
    background: var(--color-surface-hover);
    color: var(--color-text-dim);
}

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

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

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

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

/* === Viewers === */
.viewer {
    display: none;
    margin-top: 14px;
    padding: 18px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    max-height: 500px;
    overflow-y: auto;
    font-size: 0.9rem;
    line-height: 1.65;
}

.viewer.visible {
    display: block;
    animation: slideDown 0.25s ease;
}

@keyframes slideDown {
    from { opacity: 0; max-height: 0; }
    to { opacity: 1; max-height: 500px; }
}

.viewer h1, .viewer h2, .viewer h3, .viewer h4 {
    color: var(--color-text);
    margin-top: 16px;
    margin-bottom: 8px;
}

.viewer h1 { font-size: 1.3rem; }
.viewer h2 { font-size: 1.15rem; }
.viewer h3 { font-size: 1.05rem; }

.viewer p { margin-bottom: 10px; }

.viewer ul, .viewer ol {
    margin-left: 20px;
    margin-bottom: 10px;
}

.viewer li { margin-bottom: 4px; }

.viewer code {
    background: var(--color-surface);
    padding: 2px 6px;
    border-radius: var(--radius-xs);
    font-family: var(--font-mono);
    font-size: 0.85em;
    color: var(--color-accent);
}

.viewer pre {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 14px;
    overflow-x: auto;
    margin-bottom: 12px;
}

.viewer pre code {
    background: none;
    padding: 0;
    color: var(--color-text);
    font-size: 0.85rem;
    line-height: 1.5;
}

.viewer blockquote {
    border-left: 3px solid var(--color-primary);
    padding-left: 14px;
    margin: 10px 0;
    color: var(--color-text-muted);
}

.placeholder {
    color: var(--color-text-dim);
    font-style: italic;
    text-align: center;
    padding: 20px;
}

/* === Script Code Block === */
pre.script-code {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 18px;
    overflow-x: auto;
    margin: 0;
    position: relative;
}

pre.script-code::before {
    content: 'shell';
    position: absolute;
    top: 6px;
    right: 10px;
    font-size: 0.68rem;
    color: var(--color-text-dim);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

pre.script-code code {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--color-text);
    white-space: pre;
}

/* === Empty States === */
.empty-state {
    text-align: center;
    padding: 40px 20px;
}

.empty-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
    opacity: 0.5;
}

.empty-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: 6px;
}

.empty-desc {
    font-size: 0.88rem;
    color: var(--color-text-dim);
    max-width: 360px;
    margin: 0 auto;
    line-height: 1.5;
}

.empty-desc strong {
    color: var(--color-text-muted);
}

/* === Results Summary === */
.card-results-summary {
    background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-surface-raised) 100%);
}

.results-summary-grid {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.summary-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 12px 24px;
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    min-width: 120px;
}

.stat-icon {
    font-size: 1.3rem;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--color-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 600;
}

.stat-value {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-muted);
}

.stat-value.success { color: var(--color-success); }
.stat-value.error { color: var(--color-danger); }
.stat-value.running { color: var(--color-warning); }

/* === Results Tabs === */
.results-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 4px;
    border: 1px solid var(--color-border);
}

.results-tab {
    flex: 1;
    padding: 9px 14px;
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--color-text-muted);
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
}

.results-tab:hover {
    color: var(--color-text);
    background: var(--color-surface-hover);
}

.results-tab.active {
    color: var(--color-primary);
    background: var(--color-primary-bg);
    font-weight: 600;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: fadeIn 0.2s ease;
}

/* === Result Viewers === */
.result-viewer {
    margin-top: 12px;
    padding: 18px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    max-height: 600px;
    overflow-y: auto;
    font-size: 0.9rem;
    line-height: 1.65;
}

.result-viewer h1, .result-viewer h2, .result-viewer h3, .result-viewer h4 {
    color: var(--color-text);
    margin-top: 16px;
    margin-bottom: 8px;
}

.result-viewer h1 { font-size: 1.3rem; }
.result-viewer h2 { font-size: 1.15rem; }
.result-viewer h3 { font-size: 1.05rem; }

.result-viewer p { margin-bottom: 10px; }
.result-viewer ul, .result-viewer ol { margin-left: 20px; margin-bottom: 10px; }
.result-viewer li { margin-bottom: 4px; }

.result-viewer code {
    background: var(--color-surface);
    padding: 2px 6px;
    border-radius: var(--radius-xs);
    font-family: var(--font-mono);
    font-size: 0.85em;
    color: var(--color-accent);
}

.result-viewer pre {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 14px;
    overflow-x: auto;
    margin-bottom: 12px;
}

.result-viewer pre code {
    background: none;
    padding: 0;
    color: var(--color-text);
    font-size: 0.85rem;
    line-height: 1.5;
}

.result-viewer blockquote {
    border-left: 3px solid var(--color-primary);
    padding-left: 14px;
    margin: 10px 0;
    color: var(--color-text-muted);
}

/* === Batch Log === */
.batch-log {
    display: none;
    margin-top: 14px;
    padding: 14px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    max-height: 300px;
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.65;
}

.batch-log.visible {
    display: block;
    animation: slideDown 0.25s ease;
}

.log-entry {
    padding: 3px 0;
    border-bottom: 1px solid rgba(42, 46, 58, 0.5);
}

.log-entry:last-child {
    border-bottom: none;
}

.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); }

/* === Session Monitor Links === */
.session-link-container {
    margin: 8px 0;
}

.session-monitor-link,
.session-completed-link,
.session-error-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
}

.session-monitor-link {
    background: var(--color-info-bg);
    border: 1px solid var(--color-info-border);
}

.session-completed-link {
    background: var(--color-success-bg);
    border: 1px solid var(--color-success-border);
}

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

.monitor-link {
    color: var(--color-info);
    text-decoration: none;
    font-weight: 500;
}

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

.monitor-pulse {
    color: var(--color-info);
    animation: pulse 1.2s ease-in-out infinite;
    font-size: 1.1em;
}

/* === Toast Notifications === */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.toast {
    padding: 12px 18px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    pointer-events: auto;
    animation: toastIn 0.3s ease;
    max-width: 360px;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

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

.toast.toast-info {
    background: var(--color-info-bg);
    border: 1px solid var(--color-info-border);
    color: var(--color-info);
}

.toast.removing {
    animation: toastOut 0.25s ease forwards;
}

@keyframes toastIn {
    from { opacity: 0; transform: translateY(12px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes toastOut {
    from { opacity: 1; transform: translateY(0) scale(1); }
    to { opacity: 0; transform: translateY(12px) scale(0.95); }
}
/* === Model Selection === */
.model-selection-grid {
     display: grid;
     grid-template-columns: 1fr 1fr;
     gap: 16px;
     margin-top: 12px;
}
.model-field {
     display: flex;
     flex-direction: column;
     gap: 8px;
}
.model-label {
     display: flex;
     align-items: flex-start;
     gap: 8px;
     cursor: pointer;
}
.model-label-icon {
     font-size: 1.3rem;
     line-height: 1.2;
     flex-shrink: 0;
     margin-top: 1px;
}
.model-label-text {
     display: block;
     font-size: 0.9rem;
     font-weight: 600;
     color: var(--color-text);
}
.model-label-hint {
     display: block;
     font-size: 0.78rem;
     color: var(--color-text-dim);
     margin-top: 1px;
}
.model-select {
     width: 100%;
     padding: 10px 14px;
     background: var(--color-bg);
     border: 1px solid var(--color-border);
     border-radius: var(--radius-sm);
     color: var(--color-text);
     font-family: var(--font-sans);
     font-size: 0.88rem;
     cursor: pointer;
     transition: border-color var(--transition), box-shadow 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='%238b8fa3' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
     background-repeat: no-repeat;
     background-position: right 12px center;
     padding-right: 32px;
}
.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: 6px;
}
.model-select optgroup {
     color: var(--color-text-muted);
     font-weight: 600;
     font-style: normal;
}
.model-status {
     font-size: 0.78rem;
     font-weight: 500;
     padding: 2px 10px;
     border-radius: var(--radius-full);
     transition: all var(--transition);
}
.model-status-success {
     color: var(--color-success);
     background: var(--color-success-bg);
}
.model-status-error {
     color: var(--color-danger);
     background: var(--color-danger-bg);
}
/* === Model Info Grid === */
.model-info-grid {
     display: grid;
     grid-template-columns: 1fr 1fr;
     gap: 10px;
}
.model-info-item {
     display: flex;
     flex-direction: column;
     gap: 3px;
     padding: 10px 14px;
     background: var(--color-bg);
     border-radius: var(--radius-sm);
     border: 1px solid var(--color-border);
}
.model-info-label {
     font-size: 0.72rem;
     color: var(--color-text-dim);
     text-transform: uppercase;
     letter-spacing: 0.04em;
     font-weight: 600;
}
.model-info-value {
     font-size: 0.85rem;
     font-weight: 500;
     color: var(--color-text);
     font-family: var(--font-mono);
     word-break: break-all;
}
/* === Pipeline Model Indicator === */
.model-indicator {
     display: flex;
     align-items: center;
     gap: 8px;
     padding: 8px 14px;
     background: var(--color-bg);
     border: 1px solid var(--color-border);
     border-radius: var(--radius-sm);
     margin-bottom: 12px;
     font-size: 0.82rem;
}
.model-indicator-label {
     color: var(--color-text-dim);
     font-weight: 600;
     text-transform: uppercase;
     font-size: 0.72rem;
     letter-spacing: 0.04em;
}
.model-indicator-value {
     color: var(--color-accent);
     font-family: var(--font-mono);
     font-size: 0.8rem;
     font-weight: 500;
}
.model-indicator-sep {
     color: var(--color-border-light);
}
.model-indicator-link {
     margin-left: auto;
     color: var(--color-primary);
     text-decoration: none;
     font-size: 0.8rem;
     font-weight: 500;
}
.model-indicator-link:hover {
     color: var(--color-primary-hover);
     text-decoration: underline;
}


/* === Scrollbar === */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--color-border-light);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-dim);
}

/* === Focus Styles (Accessibility) === */
.btn:focus-visible,
.nav-link:focus-visible,
.results-tab:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* === Responsive === */
@media (max-width: 640px) {
    #app {
        padding: 16px 12px 60px;
    }

    .app-header h1 {
        font-size: 1.6rem;
    }

    .subtitle {
        font-size: 0.9rem;
    }

    .tab-nav {
        gap: 2px;
    }

    .nav-link {
        padding: 10px 8px;
        font-size: 0.82rem;
        flex-direction: column;
        gap: 2px;
    }

    .nav-label {
        font-size: 0.72rem;
    }

    .pipeline-diagram {
        flex-direction: column;
        gap: 4px;
    }

    .pipeline-connector {
        width: auto;
        height: 24px;
        flex-direction: column;
    }

    .connector-line {
        width: 2px;
        height: 100%;
        flex: 1;
    }

    .connector-arrow {
        transform: rotate(90deg);
    }

    .pipeline-stage {
        min-width: 160px;
        flex-direction: row;
        gap: 12px;
        padding: 12px 16px;
    }

    .step-header {
        flex-wrap: wrap;
    }

    .step-badge {
        margin-left: 0;
        order: 3;
        width: 100%;
        text-align: center;
    }

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

    .button-row-compact {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .btn {
        justify-content: center;
    }

    .results-tabs {
        flex-direction: column;
    }

    .example-prompts {
        flex-direction: column;
        align-items: flex-start;
    }

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

    .results-summary-grid {
        flex-direction: column;
    }
     .model-selection-grid {
         grid-template-columns: 1fr;
     }
     .model-info-grid {
         grid-template-columns: 1fr;
     }
     .model-indicator {
         flex-wrap: wrap;
     }


    .toast-container {
        left: 12px;
        right: 12px;
        bottom: 12px;
    }

    .toast {
        max-width: 100%;
    }
}

@media (min-width: 641px) and (max-width: 768px) {
    .pipeline-stage {
        min-width: 100px;
        padding: 12px 16px;
    }

    .pipeline-connector {
        width: 32px;
    }
}