/* ============================================
   Pipeline Runner - Architect View
   Indeterminate Shimmer Border Animations
   ============================================ */

/* ─── @property for smooth conic-gradient animation ─── */
@property --shimmer-angle {
    syntax: '<angle>';
    initial-value: 0deg;
    inherits: false;
}

/* ─── Page Layout ─── */
.pr-page {
    min-height: 100vh;
    background: var(--color-bg-secondary);
    font-family: var(--font-sans);
    color: var(--color-text-primary);
}

.pr-header {
    background: var(--color-bg-primary);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-4) var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

.pr-header-left {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.pr-header-brand {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.pr-header-left h1 {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    margin: 0;
    line-height: 1.2;
}

.pr-header-company {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text-secondary);
    letter-spacing: 0.04em;
    line-height: 1.2;
}

.pr-header-left .pr-logo {
    width: 32px;
    height: 32px;
    background: var(--color-primary-600);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.pr-header-right {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.pr-theme-toggle {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    padding: var(--space-2) var(--space-3);
    cursor: pointer;
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    transition: all var(--transition-normal);
}

.pr-theme-toggle:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
}

.pr-theme-toggle .theme-icon {
    display: inline-flex;
    transition: transform var(--transition-normal);
}

.pr-theme-toggle:hover .theme-icon {
    transform: rotate(15deg);
}

.pr-theme-toggle:active .theme-icon {
    transform: scale(0.9);
}

.pr-container {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--space-6);
}

/* ─── Input Form Card ─── */
.pr-form-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--space-8);
}

.pr-form-card h2 {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    margin: 0 0 var(--space-5) 0;
    color: var(--color-text-primary);
}

.pr-form-grid {
    display: grid;
    gap: var(--space-4);
}

.pr-form-row {
    display: flex;
    gap: var(--space-4);
}
.pr-form-half {
    flex: 1;
    min-width: 0;
}

.pr-form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.pr-form-group label {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text-secondary);
}

.pr-form-group input,
.pr-form-group textarea {
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    font-family: var(--font-sans);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    transition: border-color var(--transition-normal);
}

.pr-form-group input:focus,
.pr-form-group textarea:focus {
    outline: none;
    border-color: var(--color-border-focus);
    box-shadow: var(--shadow-focus);
}

.pr-form-group textarea {
    resize: vertical;
    min-height: 60px;
}

.pr-form-group .pr-hint {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.pr-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.pr-run-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-4);
    padding: var(--space-3) var(--space-6);
    background: var(--color-primary-600);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    cursor: pointer;
    transition: all var(--transition-normal);
    width: 100%;
}

.pr-run-btn:hover:not(:disabled) {
    background: var(--color-primary-700);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.pr-run-btn.running {
    background: var(--color-gray-500);
}

/* ─── Pipeline Section ─── */
.pr-pipeline-section {
    margin-bottom: var(--space-8);
}

.pr-pipeline-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-5);
}

.pr-pipeline-header h2 {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    margin: 0;
}

.pr-pipeline-meta {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    font-family: var(--font-mono);
}

/* ─── Timeline Connector ─── */
.pr-timeline {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0;
}

/* ─── Chain Connector Lines (separate elements) ─── */
.pr-chain-connector {
    width: 2px;
    height: 20px;
    margin: 0 auto;
    background: var(--color-border);
    transition: background 0.4s ease, box-shadow 0.4s ease;
    flex-shrink: 0;
}

.pr-chain-connector.chain-done {
    background: linear-gradient(180deg, var(--color-success), var(--color-primary-500));
    box-shadow: 0 0 6px rgba(34, 197, 94, 0.4);
}

.pr-chain-connector.chain-active {
    background: var(--color-primary-400);
    animation: chain-pulse 1.5s ease-in-out infinite;
}

@keyframes chain-pulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; box-shadow: 0 0 8px rgba(59, 130, 246, 0.5); }
}

/* ─── Step Card ─── */
.pr-step-card {
    position: relative;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all 0.3s ease;
}

/* Shimmer border wrapper (no ::after -- chain connectors are separate elements) */
.pr-step-card-wrapper {
    position: relative;
    border-radius: var(--radius-xl);
    padding: 2px;
    margin-bottom: 0;
}

/* The shimmer pseudo-element */
.pr-step-card-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: conic-gradient(
        from var(--shimmer-angle),
        transparent 0%,
        transparent 70%,
        var(--shimmer-color, transparent) 80%,
        transparent 90%,
        transparent 100%
    );
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 0;
}

.pr-step-card-wrapper.shimmer::before {
    opacity: 1;
    animation: shimmer-rotate 2.5s linear infinite;
}

.pr-step-card-wrapper.shimmer .pr-step-card {
    border-color: transparent;
}

/* Shimmer colors per state */
.pr-step-card-wrapper.shimmer-blue {
    --shimmer-color: var(--color-primary-500);
}

.pr-step-card-wrapper.shimmer-cyan {
    --shimmer-color: #06b6d4;
}

.pr-step-card-wrapper.shimmer-red {
    --shimmer-color: var(--color-error-light);
}

.pr-step-card-wrapper.shimmer-green {
    --shimmer-color: var(--color-success);
}

@keyframes shimmer-rotate {
    0% { --shimmer-angle: 0deg; }
    100% { --shimmer-angle: 360deg; }
}

/* ─── Step Card Header ─── */
.pr-step-header {
    display: flex;
    align-items: center;
    padding: var(--space-4);
    gap: var(--space-3);
    position: relative;
    z-index: 1;
    background: var(--color-bg-card);
}

.pr-step-number {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-sm);
    font-weight: var(--font-bold);
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.pr-step-number.queued {
    background: var(--color-bg-tertiary);
    color: var(--color-text-muted);
    border: 2px solid var(--color-border);
}

.pr-step-number.active {
    background: var(--color-primary-50);
    color: var(--color-primary-600);
    border: 2px solid var(--color-primary-400);
}

[data-theme="dark"] .pr-step-number.active {
    background: rgba(59, 130, 246, 0.2);
    color: var(--color-primary-300);
}

.pr-step-number.done {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 2px solid var(--color-success-border);
}

.pr-step-number.error {
    background: var(--color-error-bg);
    color: var(--color-error);
    border: 2px solid var(--color-error-border);
}

.pr-step-info {
    flex: 1;
    min-width: 0;
}

.pr-step-name {
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    margin: 0;
    line-height: var(--leading-tight);
}

.pr-step-desc {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin: 2px 0 0 0;
}

.pr-step-status {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-shrink: 0;
}

.pr-step-duration {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    font-family: var(--font-mono);
    color: var(--color-text-secondary);
}

.pr-step-badge {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pr-step-badge.queued {
    background: var(--color-bg-tertiary);
    color: var(--color-text-muted);
}

.pr-step-badge.generating {
    background: var(--color-info-bg);
    color: var(--color-info);
}

.pr-step-badge.validating {
    background: rgba(6, 182, 212, 0.1);
    color: #06b6d4;
}

.pr-step-badge.approved {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.pr-step-badge.awaiting {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
}

[data-theme="dark"] .pr-step-badge.awaiting {
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
}

.pr-step-badge.error {
    background: var(--color-error-bg);
    color: var(--color-error);
}

/* ─── Step Card Body (expandable with smooth animation) ─── */
.pr-step-body {
    padding: 0 var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    position: relative;
    z-index: 1;
    background: var(--color-bg-card);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.5s cubic-bezier(0.25, 0.8, 0.25, 1),
                padding 0.5s cubic-bezier(0.25, 0.8, 0.25, 1),
                opacity 0.35s ease;
}

.pr-step-body.expanded {
    max-height: 600px;
    padding: 0 var(--space-4) var(--space-4);
    opacity: 1;
}

/* ─── Chevron Toggle ─── */
.pr-step-chevron {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--color-text-muted);
    transition: transform 0.3s ease;
    flex-shrink: 0;
    cursor: pointer;
}

.pr-step-chevron.open {
    transform: rotate(180deg);
}

/* Clickable step header */
.pr-step-header {
    cursor: pointer;
    user-select: none;
}

/* ─── Sub-cards (GA, CA, Model, Artifacts) ─── */
.pr-subcard {
    position: relative;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-3);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    transition: all 0.3s ease;
    overflow: hidden;
}

/* no extra flex-wrap needed — AI msg sits inline right */

/* Subcard shimmer (smaller, faster) */
.pr-subcard-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    padding: 1.5px;
}

.pr-subcard-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: conic-gradient(
        from var(--shimmer-angle),
        transparent 0%,
        transparent 65%,
        var(--shimmer-color, transparent) 75%,
        transparent 85%,
        transparent 100%
    );
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 0;
}

.pr-subcard-wrapper.shimmer::before {
    opacity: 1;
    animation: shimmer-rotate 1.8s linear infinite;
}

.pr-subcard-wrapper.shimmer .pr-subcard {
    border-color: transparent;
}

.pr-subcard-wrapper.shimmer-blue { --shimmer-color: var(--color-primary-400); }
.pr-subcard-wrapper.shimmer-cyan { --shimmer-color: #06b6d4; }

.pr-subcard-icon {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
}

.pr-subcard-icon.pending {
    background: var(--color-bg-tertiary);
    color: var(--color-text-muted);
}

.pr-subcard-icon.active {
    background: var(--color-info-bg);
    color: var(--color-info);
}

.pr-subcard-icon.done {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.pr-subcard-content {
    flex: 1;
    min-width: 0;
}

.pr-subcard-title {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    margin: 0;
    line-height: var(--leading-tight);
}

.pr-subcard-detail {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin: 1px 0 0 0;
    font-family: var(--font-mono);
}

.pr-subcard-time {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    flex-shrink: 0;
}

/* ─── Token Usage Subcard Bar ─── */
.pr-token-bar-wrap {
    width: 100%;
    height: 3px;
    background: var(--color-bg-tertiary);
    border-radius: 2px;
    margin-top: 4px;
    overflow: hidden;
}

.pr-token-bar {
    height: 100%;
    border-radius: 2px;
    transition: width 0.8s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* ─── Approve Button Loading State ─── */
.pr-run-btn.approving {
    background: var(--color-gray-500);
    cursor: wait;
    position: relative;
    overflow: hidden;
}

.pr-run-btn.approving::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    animation: approveShimmer 1.2s ease-in-out infinite;
}

@keyframes approveShimmer {
    to { left: 100%; }
}

/* ─── Artifact Links ─── */
.pr-artifacts-row {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.pr-artifact-pill {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    padding: 3px var(--space-2);
    border-radius: var(--radius-full);
    background: var(--color-accent-light);
    color: var(--color-accent);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

.pr-artifact-pill:hover {
    background: var(--color-accent-muted);
    transform: translateY(-1px);
}

.pr-artifact-size {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    font-family: var(--font-mono);
}

/* ─── Status Message (AI typewriter word-reveal, embedded in subcards) ─── */
.pr-subcard-ai-msg {
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    font-family: var(--font-mono);
    color: var(--color-text-muted);
    text-align: right;
    margin: 0;
    padding: 0;
    opacity: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex-shrink: 0;
    max-width: 0;
    transition: opacity 0.4s ease, max-width 0.4s ease;
}

.pr-subcard-ai-msg.visible {
    opacity: 1;
    max-width: 260px;
}

/* Word-by-word reveal animation */
.pr-subcard-ai-msg .pr-word {
    display: inline;
    opacity: 0;
    -webkit-filter: blur(4px);
    filter: blur(4px);
    will-change: opacity, filter;
    animation: wordReveal 0.5s ease forwards;
}
.pr-subcard-ai-msg .pr-word.revealed {
    opacity: 1 !important;
    -webkit-filter: none !important;
    filter: none !important;
    animation: none;
}

@keyframes wordReveal {
    0% {
        opacity: 0;
        -webkit-filter: blur(4px);
        filter: blur(4px);
        color: var(--color-text-muted);
    }
    60% {
        opacity: 0.6;
        -webkit-filter: blur(1px);
        filter: blur(1px);
        color: var(--color-text-secondary);
    }
    100% {
        opacity: 1;
        -webkit-filter: blur(0);
        filter: blur(0);
        color: var(--color-primary-500);
    }
}

[data-theme="dark"] .pr-subcard-ai-msg .pr-word {
    animation-name: wordRevealDark;
}

@keyframes wordRevealDark {
    0% {
        opacity: 0;
        -webkit-filter: blur(4px);
        filter: blur(4px);
        color: var(--color-text-muted);
    }
    60% {
        opacity: 0.6;
        -webkit-filter: blur(1px);
        filter: blur(1px);
        color: var(--color-text-secondary);
    }
    100% {
        opacity: 1;
        -webkit-filter: blur(0);
        filter: blur(0);
        color: var(--color-primary-300);
    }
}

/* ─── Select Dropdown Styling ─── */
.pr-form-group select,
.pr-form-group .pr-input {
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    font-family: var(--font-sans);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    transition: border-color var(--transition-normal);
    appearance: auto;
}

.pr-form-group select:focus,
.pr-form-group .pr-input:focus {
    outline: none;
    border-color: var(--color-border-focus);
    box-shadow: var(--shadow-focus);
}

/* ─── Queued Step (collapsed) ─── */
.pr-step-card.queued {
    opacity: 0.5;
}

.pr-step-card.queued .pr-step-header {
    padding: var(--space-3) var(--space-4);
}

/* ─── Summary Card ─── */
.pr-summary-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-md);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.pr-summary-card.success {
    border-color: var(--color-success-border);
}

.pr-summary-card.success::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-success), var(--color-primary-500), var(--color-success));
}

.pr-summary-title {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    margin: 0 0 var(--space-2) 0;
}

.pr-summary-subtitle {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin: 0 0 var(--space-5) 0;
}

.pr-summary-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-8);
    margin-bottom: var(--space-6);
}

.pr-stat {
    text-align: center;
}

.pr-stat-value {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    font-family: var(--font-mono);
    color: var(--color-text-primary);
}

.pr-stat-label {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pr-summary-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.pr-download-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    text-decoration: none;
}

.pr-download-btn.primary {
    background: var(--color-primary-600);
    color: white;
}

.pr-download-btn.primary:hover {
    background: var(--color-primary-700);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.pr-download-btn.secondary {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.pr-download-btn.secondary:hover {
    background: var(--color-bg-hover);
    transform: translateY(-1px);
}

/* ─── Elapsed Timer ─── */
.pr-elapsed {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    font-family: var(--font-mono);
}

/* ─── Artifact Viewer Modal (slide from bottom) ─── */
.pr-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.pr-modal-overlay.visible {
    opacity: 1;
    pointer-events: auto;
}

.pr-modal {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    width: 80vw;
    max-height: 85vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-xl);
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.pr-modal-overlay.visible .pr-modal {
    transform: translateY(0);
}

.pr-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-border);
}

.pr-modal-header h3 {
    font-size: var(--text-base);
    margin: 0;
}

.pr-modal-close {
    background: none;
    border: none;
    font-size: var(--text-xl);
    cursor: pointer;
    color: var(--color-text-muted);
    padding: var(--space-1);
}

.pr-modal-body {
    flex: 1;
    overflow: auto;
    padding: var(--space-4);
}

.pr-modal-body pre {
    margin: 0;
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    color: var(--color-text-primary);
}

/* ─── Modal Loading Skeleton ─── */
.pr-modal-loading {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-4);
}

.pr-skeleton-line {
    height: 14px;
    border-radius: var(--radius-sm);
    background: linear-gradient(90deg, var(--color-bg-tertiary) 25%, var(--color-bg-hover) 50%, var(--color-bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s ease-in-out infinite;
}

.pr-skeleton-line:nth-child(1) { width: 90%; }
.pr-skeleton-line:nth-child(2) { width: 75%; }
.pr-skeleton-line:nth-child(3) { width: 85%; }
.pr-skeleton-line:nth-child(4) { width: 60%; }
.pr-skeleton-line:nth-child(5) { width: 70%; }
.pr-skeleton-line:nth-child(6) { width: 80%; }

@keyframes skeleton-shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* ─── Modal Step Badge ─── */
.pr-modal-step-badge {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    background: var(--color-primary-50);
    color: var(--color-primary-600);
    margin-right: var(--space-2);
}

[data-theme="dark"] .pr-modal-step-badge {
    background: rgba(59, 130, 246, 0.15);
    color: var(--color-primary-300);
}

.pr-modal-filename {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    font-family: var(--font-mono);
}

/* ─── Beautified JSON Viewer ─── */
.pr-json-viewer {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    line-height: 1.6;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.pr-json-viewer .json-key {
    color: #2563eb;
    font-weight: var(--font-medium);
}

.pr-json-viewer .json-string {
    color: #16a34a;
}

.pr-json-viewer .json-number {
    color: #ea580c;
}

.pr-json-viewer .json-boolean {
    color: #9333ea;
    font-weight: var(--font-semibold);
}

.pr-json-viewer .json-null {
    color: #9333ea;
    font-style: italic;
}

.pr-json-viewer .json-bracket {
    color: var(--color-text-muted);
}

[data-theme="dark"] .pr-json-viewer .json-key { color: #60a5fa; }
[data-theme="dark"] .pr-json-viewer .json-string { color: #4ade80; }
[data-theme="dark"] .pr-json-viewer .json-number { color: #fb923c; }
[data-theme="dark"] .pr-json-viewer .json-boolean { color: #c084fc; }
[data-theme="dark"] .pr-json-viewer .json-null { color: #c084fc; }

/* ─── Beautified MD Viewer ─── */
.pr-md-viewer {
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    line-height: 1.7;
    color: var(--color-text-primary);
}

.pr-md-viewer h1, .pr-md-viewer h2, .pr-md-viewer h3,
.pr-md-viewer h4, .pr-md-viewer h5, .pr-md-viewer h6 {
    margin: 1.2em 0 0.5em 0;
    font-weight: var(--font-bold);
    line-height: 1.3;
    color: var(--color-text-primary);
}

.pr-md-viewer h1 { font-size: 1.5em; border-bottom: 1px solid var(--color-border); padding-bottom: 0.3em; }
.pr-md-viewer h2 { font-size: 1.3em; border-bottom: 1px solid var(--color-border-light); padding-bottom: 0.2em; }
.pr-md-viewer h3 { font-size: 1.1em; }

.pr-md-viewer p { margin: 0.6em 0; }

.pr-md-viewer table {
    border-collapse: collapse;
    width: 100%;
    margin: 0.8em 0;
    font-size: var(--text-xs);
}

.pr-md-viewer th, .pr-md-viewer td {
    border: 1px solid var(--color-border);
    padding: 6px 10px;
    text-align: left;
}

.pr-md-viewer th {
    background: var(--color-bg-tertiary);
    font-weight: var(--font-semibold);
}

.pr-md-viewer code {
    background: var(--color-bg-tertiary);
    padding: 1px 5px;
    border-radius: 3px;
    font-size: 0.9em;
    font-family: var(--font-mono);
}

.pr-md-viewer pre {
    background: var(--color-bg-tertiary);
    padding: var(--space-3);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: 0.8em 0;
}

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

.pr-md-viewer ul, .pr-md-viewer ol {
    margin: 0.5em 0;
    padding-left: 1.5em;
}

.pr-md-viewer li { margin: 0.2em 0; }

.pr-md-viewer blockquote {
    border-left: 3px solid var(--color-primary-400);
    margin: 0.8em 0;
    padding: 0.4em 1em;
    color: var(--color-text-secondary);
    background: var(--color-bg-tertiary);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

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

/* ─── Toast Notifications ─── */
.pr-toast-container {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    z-index: calc(var(--z-modal) + 10);
    display: flex;
    flex-direction: column-reverse;
    gap: var(--space-2);
    pointer-events: none;
}

.pr-toast {
    pointer-events: auto;
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    min-width: 320px;
    max-width: 440px;
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-xl);
    animation: toast-slide-up 0.35s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    opacity: 0;
    transform: translateY(20px);
}

.pr-toast.removing {
    animation: toast-slide-out 0.25s ease-in forwards;
}

@keyframes toast-slide-up {
    to { opacity: 1; transform: translateY(0); }
}

@keyframes toast-slide-out {
    to { opacity: 0; transform: translateY(20px) scale(0.95); }
}

.pr-toast-icon {
    font-size: 18px;
    flex-shrink: 0;
    margin-top: 1px;
}

.pr-toast-body {
    flex: 1;
    min-width: 0;
}

.pr-toast-title {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    margin: 0 0 2px 0;
    line-height: 1.3;
}

.pr-toast-msg {
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
    margin: 0;
    line-height: 1.4;
    word-break: break-word;
}

.pr-toast-close {
    background: none;
    border: none;
    font-size: 16px;
    cursor: pointer;
    color: var(--color-text-muted);
    padding: 0;
    flex-shrink: 0;
    line-height: 1;
    transition: color 0.15s ease;
}

.pr-toast-close:hover {
    color: var(--color-text-primary);
}

/* Toast accent stripe */
.pr-toast::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.pr-toast { position: relative; }

.pr-toast.toast-error::before { background: var(--color-error); }
.pr-toast.toast-error .pr-toast-title { color: var(--color-error); }

.pr-toast.toast-warning::before { background: #f59e0b; }
.pr-toast.toast-warning .pr-toast-title { color: #f59e0b; }

.pr-toast.toast-success::before { background: var(--color-success); }
.pr-toast.toast-success .pr-toast-title { color: var(--color-success); }

.pr-toast.toast-info::before { background: var(--color-primary-500); }
.pr-toast.toast-info .pr-toast-title { color: var(--color-primary-500); }

/* ─── Prompt Modal ─── */
.pr-prompt-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    z-index: calc(var(--z-modal) + 5);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.pr-prompt-overlay.visible {
    opacity: 1;
    pointer-events: auto;
}

.pr-prompt-modal {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    width: 100%;
    max-width: 500px;
    padding: var(--space-6);
    box-shadow: var(--shadow-xl);
    transform: translateY(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.pr-prompt-overlay.visible .pr-prompt-modal {
    transform: translateY(0);
}

.pr-prompt-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    margin: 0 0 var(--space-1) 0;
    color: var(--color-text-primary);
}

.pr-prompt-desc {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin: 0 0 var(--space-4) 0;
}

.pr-prompt-input {
    width: 100%;
    padding: var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    font-family: var(--font-mono);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    box-sizing: border-box;
    transition: border-color var(--transition-normal);
}

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

.pr-prompt-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-2);
    margin-top: var(--space-4);
}

.pr-prompt-btn {
    padding: var(--space-2) var(--space-5);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 1px solid var(--color-border);
}

.pr-prompt-btn.primary {
    background: var(--color-primary-600);
    color: white;
    border-color: var(--color-primary-600);
}

.pr-prompt-btn.primary:hover {
    background: var(--color-primary-700);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.pr-prompt-btn.secondary {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

.pr-prompt-btn.secondary:hover {
    background: var(--color-bg-hover);
}

/* ─── Font Size Buttons ─── */
.pr-font-group {
    display: flex;
    align-items: center;
    gap: 2px;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    padding: 2px;
}

.pr-font-btn {
    background: transparent;
    border: none;
    border-radius: var(--radius-full);
    padding: 4px 10px;
    cursor: pointer;
    font-weight: var(--font-semibold);
    color: var(--color-text-muted);
    transition: all var(--transition-normal);
    font-family: var(--font-sans);
    line-height: 1;
}

.pr-font-btn:hover {
    color: var(--color-text-primary);
    background: var(--color-bg-hover);
    transform: scale(1.08);
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.25);
}

.pr-font-btn:active {
    transform: scale(0.95);
}

.pr-font-btn.active {
    background: var(--color-primary-600);
    color: white;
    box-shadow: var(--shadow-sm);
}

.pr-font-btn.active:hover {
    background: var(--color-primary-700);
    box-shadow: 0 0 12px rgba(59, 130, 246, 0.4);
}

.pr-font-btn-sm { font-size: 11px; }
.pr-font-btn-md { font-size: 13px; }
.pr-font-btn-lg { font-size: 15px; }

/* ─── Auto-Approve Toggle Switch ─── */
.pr-approve-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    margin-top: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.pr-approve-label {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-text-secondary);
    transition: color 0.2s ease;
}

.pr-approve-label.active {
    color: var(--color-text-primary);
}

.pr-toggle-switch {
    position: relative;
    width: 48px;
    height: 26px;
    background: var(--color-success);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background 0.3s ease, box-shadow 0.3s ease;
    border: none;
    padding: 0;
    flex-shrink: 0;
}

.pr-toggle-switch:hover {
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
}

.pr-toggle-switch::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: var(--radius-full);
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: var(--shadow-sm);
}

.pr-toggle-switch.manual {
    background: var(--color-primary-500);
}

.pr-toggle-switch.manual::after {
    transform: translateX(22px);
}

.pr-approve-hint {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    text-align: center;
    margin-top: var(--space-1);
}

/* ─── Font Size Overrides ─── */
.pr-page.font-medium {
    --text-xs: 14px;
    --text-sm: 16px;
    --text-base: 18px;
    --text-md: 19px;
    --text-lg: 20px;
    --text-xl: 22px;
    --text-2xl: 27px;
}

.pr-page.font-large {
    --text-xs: 15px;
    --text-sm: 17px;
    --text-base: 20px;
    --text-md: 21px;
    --text-lg: 22px;
    --text-xl: 24px;
    --text-2xl: 30px;
}

/* ─── Cancel Pipeline ─── */
.pr-cancel-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: transparent;
    color: var(--color-error);
    border: 1.5px solid var(--color-error);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    cursor: pointer;
    transition: all 0.2s ease;
    margin-left: auto;
}
.pr-cancel-btn:hover {
    background: var(--color-error);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
}

.pr-cancel-choices {
    display: flex;
    gap: var(--space-3);
    margin: var(--space-4) 0;
}
.pr-cancel-choice-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    border: 2px solid var(--color-border);
    background: var(--color-surface);
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}
.pr-cancel-choice-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.pr-cancel-choice-btn.keep:hover {
    border-color: var(--color-primary-600);
    background: var(--color-primary-50, rgba(37,99,235,0.05));
}
.pr-cancel-choice-btn.discard:hover {
    border-color: var(--color-error);
    background: var(--color-error-bg, rgba(239,68,68,0.05));
}
.pr-cancel-choice-icon {
    font-size: 2rem;
}
.pr-cancel-choice-label {
    font-weight: var(--font-semibold);
    font-size: var(--text-sm);
    color: var(--color-text-primary);
}
.pr-cancel-choice-desc {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    line-height: 1.4;
}

.pr-cancel-summary {
    border-color: var(--color-warning) !important;
}

/* ─── Responsive ─── */
@media (max-width: 640px) {
    .pr-container {
        padding: var(--space-4);
    }

    .pr-form-row {
        grid-template-columns: 1fr;
    }

    .pr-summary-stats {
        flex-direction: column;
        gap: var(--space-4);
    }

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

    .pr-toast-container {
        left: var(--space-4);
        right: var(--space-4);
    }

    .pr-toast {
        min-width: auto;
        max-width: none;
    }
}