/* Episode Forge — Custom Design System */

/* === Theme Variables === */
:root[data-theme="dark"] {
    --bg-base: #0e1015;
    --bg-surface: #161820;
    --bg-elevated: #1e2028;
    --bg-hover: #262830;
    --bg-input: #1e2028;
    --border: #2a2c36;
    --border-hover: #3a3c46;
    --text: #e2e4ea;
    --text-secondary: #9499a8;
    --text-muted: #636778;
    --accent: #2dd4bf;
    --accent-hover: #14b8a6;
    --accent-surface: rgba(45, 212, 191, 0.1);
    --accent-border: rgba(45, 212, 191, 0.25);
    --success: #4ade80;
    --success-surface: rgba(74, 222, 128, 0.1);
    --success-border: rgba(74, 222, 128, 0.25);
    --warning: #fbbf24;
    --warning-surface: rgba(251, 191, 36, 0.1);
    --warning-border: rgba(251, 191, 36, 0.25);
    --danger: #f87171;
    --danger-surface: rgba(248, 113, 113, 0.1);
    --danger-border: rgba(248, 113, 113, 0.25);
    --info: #60a5fa;
    --info-surface: rgba(96, 165, 250, 0.1);
    --info-border: rgba(96, 165, 250, 0.25);
    --nav-bg: #12141a;
    --shadow: 0 1px 3px rgba(0,0,0,0.4);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.5);
    --provider-anthropic: #d4845a;
    --provider-anthropic-surface: rgba(212, 132, 90, 0.1);
    --provider-anthropic-border: rgba(212, 132, 90, 0.25);
    --provider-openai: #5acea0;
    --provider-openai-surface: rgba(90, 206, 160, 0.1);
    --provider-openai-border: rgba(90, 206, 160, 0.25);
    --provider-gemini: #8b8be0;
    --provider-gemini-surface: rgba(139, 139, 224, 0.1);
    --provider-gemini-border: rgba(139, 139, 224, 0.25);
}

:root[data-theme="light"] {
    --bg-base: #f4f5f7;
    --bg-surface: #ffffff;
    --bg-elevated: #ffffff;
    --bg-hover: #f0f1f3;
    --bg-input: #f0f1f3;
    --border: #e0e2e6;
    --border-hover: #cccfd5;
    --text: #1a1c22;
    --text-secondary: #5a5e6e;
    --text-muted: #8a8e9e;
    --accent: #0d9488;
    --accent-hover: #0f766e;
    --accent-surface: rgba(13, 148, 136, 0.08);
    --accent-border: rgba(13, 148, 136, 0.2);
    --success: #16a34a;
    --success-surface: rgba(22, 163, 74, 0.08);
    --success-border: rgba(22, 163, 74, 0.2);
    --warning: #ca8a04;
    --warning-surface: rgba(202, 138, 4, 0.08);
    --warning-border: rgba(202, 138, 4, 0.2);
    --danger: #dc2626;
    --danger-surface: rgba(220, 38, 38, 0.08);
    --danger-border: rgba(220, 38, 38, 0.2);
    --info: #2563eb;
    --info-surface: rgba(37, 99, 235, 0.08);
    --info-border: rgba(37, 99, 235, 0.2);
    --nav-bg: #ffffff;
    --shadow: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.1);
    --provider-anthropic: #a0522d;
    --provider-anthropic-surface: rgba(160, 82, 45, 0.08);
    --provider-anthropic-border: rgba(160, 82, 45, 0.2);
    --provider-openai: #0a7c5a;
    --provider-openai-surface: rgba(10, 124, 90, 0.08);
    --provider-openai-border: rgba(10, 124, 90, 0.2);
    --provider-gemini: #5a5ab5;
    --provider-gemini-surface: rgba(90, 90, 181, 0.08);
    --provider-gemini-border: rgba(90, 90, 181, 0.2);
}

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[x-cloak] { display: none !important; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg-base);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

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

h1 { font-size: 1.5rem; font-weight: 700; line-height: 1.3; }
h2 { font-size: 1.15rem; font-weight: 600; line-height: 1.3; }
h3 { font-size: 1rem; font-weight: 600; }
p { color: var(--text-secondary); }
small { font-size: 0.8rem; color: var(--text-muted); }
hr { border: none; border-top: 1px solid var(--border); margin: 1.5rem 0; }

/* === HTMX Loading Indicator === */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0;
    width: 0; height: 2px;
    background: var(--accent);
    z-index: 999;
    transition: none;
}
body.htmx-request::before {
    width: 100%;
    transition: width 8s ease-out;
}

/* === Navigation === */
.topnav {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0 1.5rem;
    height: 52px;
    background: var(--nav-bg);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand {
    font-weight: 700;
    font-size: 1rem;
    color: var(--accent);
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 0.25rem;
    margin-left: 0.5rem;
}

.nav-link {
    padding: 0.4rem 0.75rem;
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    transition: background 0.15s, color 0.15s;
    text-decoration: none;
}
.nav-link:hover { background: var(--bg-hover); color: var(--text); text-decoration: none; }
.nav-link.active { background: var(--accent-surface); color: var(--accent); }

.nav-spacer { flex: 1; }

.theme-toggle {
    background: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.35rem 0.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    transition: border-color 0.15s, color 0.15s;
}
.theme-toggle:hover { border-color: var(--border-hover); color: var(--text); }

/* === Layout === */
.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 1.5rem;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.page-header-text p { margin-top: 0.25rem; }

/* === Cards === */
.card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.card + .card { margin-top: 1rem; }

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1.25rem;
    border-bottom: 1px solid var(--border);
}

.card-header h2 { font-size: 0.9rem; margin: 0; }

.card-body { padding: 1.25rem; }
.card-body:empty { display: none; }
.card-body-flush { padding: 0; }

/* === Topic Cards (home page) === */
.topic-grid {
    display: grid;
    gap: 0.75rem;
}

.topic-card {
    position: relative;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    transition: border-color 0.15s, box-shadow 0.15s;
}
.topic-card:hover { border-color: var(--accent-border); box-shadow: var(--shadow); }

.topic-card-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    text-decoration: none;
    color: inherit;
}
.topic-card-link:hover { text-decoration: none; color: inherit; }

.topic-card-delete {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    opacity: 0;
    transition: opacity 0.15s;
}
.topic-card:hover .topic-card-delete { opacity: 1; }

.topic-card-info h3 { font-size: 0.95rem; color: var(--text); margin-bottom: 0.15rem; }
.topic-card-info p { font-size: 0.8rem; margin: 0; }

.topic-card-status {
    display: flex;
    gap: 0.35rem;
    align-items: center;
}

/* === Status Dots === */
.status-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--border);
}
.status-dot[data-status="done"] { background: var(--success); }
.status-dot[data-status="running"] { background: var(--accent); animation: pulse 1.5s infinite; }
.status-dot[data-status="failed"] { background: var(--danger); }

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.92); }
}

/* === Pipeline Stepper === */
.pipeline-stepper {
    display: flex;
    align-items: flex-start;
    gap: 0;
    padding: 1.25rem;
}

.step {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    text-align: center;
}

.step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 14px;
    left: calc(50% + 18px);
    width: calc(100% - 36px);
    height: 2px;
    background: var(--border);
}

.step[data-status="done"]:not(:last-child)::after { background: var(--success); }

.step-icon {
    width: 28px; height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    position: relative;
    z-index: 1;
    border: 2px solid var(--border);
    background: var(--bg-surface);
    color: var(--text-muted);
    transition: all 0.2s;
}

.step[data-status="done"] .step-icon {
    background: var(--success);
    border-color: var(--success);
    color: #fff;
}
.step[data-status="running"] .step-icon {
    border-color: var(--accent);
    color: var(--accent);
    animation: pulse 1.5s infinite;
    box-shadow: 0 0 8px var(--accent), 0 0 16px rgba(45, 212, 191, 0.2);
}
.step[data-status="failed"] .step-icon {
    background: var(--danger);
    border-color: var(--danger);
    color: #fff;
}

.step-label {
    margin-top: 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
}

.step[data-status="done"] .step-label { color: var(--success); }
.step[data-status="running"] .step-label { color: var(--accent); }
.step[data-status="failed"] .step-label { color: var(--danger); }

.pipeline-running-banner {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    background: var(--accent-surface);
    border-top: 1px solid var(--accent-border);
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 600;
}
.pipeline-spinner {
    width: 18px; height: 18px;
    border: 2.5px solid var(--accent-border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    flex-shrink: 0;
}

.pipeline-error {
    padding: 0.75rem 1.25rem;
    background: var(--danger-surface);
    border-top: 1px solid var(--danger-border);
    color: var(--danger);
    font-size: 0.8rem;
    font-weight: 500;
}

.pipeline-meta {
    padding: 0.5rem 1.25rem;
    border-top: 1px solid var(--border);
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--bg-elevated);
    color: var(--text);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
    text-decoration: none;
    line-height: 1.4;
    min-height: 36px;
}
.btn:hover { background: var(--bg-hover); border-color: var(--border-hover); text-decoration: none; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #0e1015;
    font-weight: 600;
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }

.btn-danger {
    background: var(--danger-surface);
    border-color: var(--danger-border);
    color: var(--danger);
}
.btn-danger:hover { background: rgba(248, 113, 113, 0.2); }

.btn-sm { padding: 0.3rem 0.6rem; font-size: 0.75rem; min-height: 28px; }
.btn-ghost { border: none; background: none; }
.btn-ghost:hover { background: var(--bg-hover); }

/* Loading state for buttons */
.btn[aria-busy="true"] {
    position: relative;
    color: transparent;
    pointer-events: none;
}
.btn[aria-busy="true"]::after {
    content: '';
    position: absolute;
    width: 14px; height: 14px;
    border: 2px solid var(--text-muted);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* === Forms === */
.form-group { margin-bottom: 1rem; }

.form-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.35rem;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.6rem 0.85rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-input);
    color: var(--text);
    font-size: 0.9rem;
    font-family: inherit;
    transition: border-color 0.15s;
    min-height: 40px;
}
.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-surface);
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--text-muted); }

.form-textarea { resize: vertical; min-height: 100px; }

/* === Tables === */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.table th,
.table td {
    padding: 0.6rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.table th {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    background: var(--bg-base);
}

.table tbody tr { transition: background 0.1s; }
.table tbody tr:hover { background: var(--bg-hover); }

.table-link {
    color: var(--text);
    text-decoration: none;
    max-width: 300px;
    display: inline-block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.table-link:hover { color: var(--accent); }

/* === Badges === */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.15rem 0.55rem;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge-success { background: var(--success-surface); color: var(--success); border: 1px solid var(--success-border); }
.badge-warning { background: var(--warning-surface); color: var(--warning); border: 1px solid var(--warning-border); }
.badge-danger { background: var(--danger-surface); color: var(--danger); border: 1px solid var(--danger-border); }
.badge-info { background: var(--info-surface); color: var(--info); border: 1px solid var(--info-border); }
.badge-neutral { background: var(--bg-hover); color: var(--text-muted); border: 1px solid var(--border); }
.badge-provider-anthropic { background: var(--provider-anthropic-surface); color: var(--provider-anthropic); border: 1px solid var(--provider-anthropic-border); }
.badge-provider-openai { background: var(--provider-openai-surface); color: var(--provider-openai); border: 1px solid var(--provider-openai-border); }
.badge-provider-gemini { background: var(--provider-gemini-surface); color: var(--provider-gemini); border: 1px solid var(--provider-gemini-border); }

/* === Script Viewer === */
.script-viewer {
    font-family: "Georgia", "Times New Roman", serif;
    font-size: 0.95rem;
    line-height: 1.8;
    padding: 1.5rem;
    color: var(--text);
}
.script-viewer h1, .script-viewer h2, .script-viewer h3 {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    margin: 1.5rem 0 0.75rem;
    color: var(--text);
}
.script-viewer h1 { font-size: 1.4rem; }
.script-viewer h2 { font-size: 1.15rem; color: var(--accent); }
.script-viewer h3 { font-size: 1rem; }
.script-viewer p { margin: 0.75rem 0; }
.script-viewer hr { border: none; border-top: 1px solid var(--border); margin: 1.5rem 0; }
.script-viewer ul, .script-viewer ol { margin: 0.75rem 0; padding-left: 1.5rem; }
.script-viewer li { margin: 0.25rem 0; }
.script-viewer strong { color: var(--text); }
.script-viewer blockquote {
    border-left: 3px solid var(--accent); padding-left: 1rem;
    margin: 0.75rem 0; color: var(--text-secondary); font-style: italic;
}

.claim-ref {
    color: var(--accent);
    cursor: help;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 0.65rem;
    font-weight: 600;
    background: var(--accent-surface);
    padding: 0 0.2rem;
    border-radius: 3px;
    margin: 0 0.05rem;
}

.script-stats {
    display: flex;
    gap: 1.5rem;
    padding: 0.75rem 1.25rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.8rem;
    color: var(--text-secondary);
    align-items: center;
}

.script-stat strong { color: var(--text); font-weight: 600; }
.script-stat-spacer { flex: 1; }
.script-actions { display: flex; gap: 0.25rem; }

/* === Red Flags / Issues List === */
.issue-list { list-style: none; padding: 0; }

.issue-item {
    padding: 0.65rem 1.25rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.8rem;
}
.issue-item:last-child { border-bottom: none; }

.issue-item strong {
    color: var(--danger);
    font-weight: 600;
    font-size: 0.7rem;
    text-transform: uppercase;
}

.issue-excerpt {
    display: block;
    margin-top: 0.25rem;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-family: "SF Mono", "Fira Code", Consolas, monospace;
}

/* === Empty State === */
.empty-state {
    text-align: center;
    padding: 2.5rem 1rem;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* === Section Headers === */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

/* === Two Column Layout === */
.layout-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    align-items: start;
}

/* === Toast Notifications === */
#toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    padding: 0.6rem 1.1rem;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    animation: toast-in 0.2s ease;
    transition: opacity 0.4s;
}
.toast-success { background: var(--success-surface); color: var(--success); border: 1px solid var(--success-border); }
.toast-error { background: var(--danger-surface); color: var(--danger); border: 1px solid var(--danger-border); }
.toast-fade { opacity: 0; }

@keyframes toast-in {
    from { transform: translateY(10px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* === Claim Manager === */
.claim-filters {
    display: flex;
    gap: 1rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    align-items: flex-end;
    flex-wrap: wrap;
}

.claim-filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.claim-filter-group .form-label { margin-bottom: 0; font-size: 0.7rem; }

.claim-filter-count {
    margin-left: auto;
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
}

.form-input-sm {
    padding: 0.3rem 0.6rem;
    font-size: 0.8rem;
    min-height: 28px;
}

.claim-col-sortable {
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
}
.claim-col-sortable:hover { color: var(--text); }

.claim-col-check { width: 32px; }

.claim-row-selected { background: var(--accent-surface); }

.claim-generate-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--border);
    background: var(--bg-base);
}

.claim-generate-controls {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.claim-generate-info {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* === Utilities === */
.font-mono { font-family: "SF Mono", "Fira Code", Consolas, monospace; font-size: 0.85em; }
.text-sm { font-size: 0.8rem; }
.text-muted { color: var(--text-muted); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.mt-1 { margin-top: 1rem; }
.mb-1 { margin-bottom: 1rem; }
.gap-05 { gap: 0.5rem; }
.flex { display: flex; }
.flex-center { align-items: center; }
.hidden { display: none; }

/* === Responsive === */
@media (max-width: 768px) {
    .layout-split { grid-template-columns: 1fr; }
    .pipeline-stepper { padding: 1rem 0.75rem; }
    .step-label { font-size: 0.65rem; }
    .container { padding: 1rem; }
    .topnav { padding: 0 1rem; gap: 0.5rem; }
    .page-header { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
    .pipeline-stepper { flex-wrap: wrap; }
    .step { min-width: 25%; }
    .topic-card { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
}