/* report-base.css — Shared styles for research & opportunity reports
 * Override :root colors in per-directory theme.css
 * Variables: --primary, --secondary, --accent, --light, --dark, --border
 */

:root {
    /* Report defaults (overridden per-brand via theme.css) */
    --primary: #1a5f7a;
    --secondary: #0f766e;
    --accent: #57c5b6;
    --light: #f8f9fa;
    --dark: #212529;
    --border: #dee2e6;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 8px rgba(0, 0, 0, 0.1);
    --color-text-muted: #333;
    --color-text-secondary: #2e2e2e;
    --color-text-body: #222;
    --content-width: 900px;
    --font-size-h1: 2.2rem;
    --font-size-h1-subtitle: 1.2rem;
    --font-size-h2: 1.3rem;
    --font-size-h3: 1.1rem;
    --font-size-sm: 0.9rem;
    --font-size-xs: 0.85rem;
    --badge-radius: 20px;
    --border-light: #e9ecef;
    --color-warning-bg: #fff3cd;
    --color-warning-border: #ffc107;
    --color-info-bg: #e7f1ff;
    --color-rating: #ffc107;
    --color-badge-success-bg: #d4edda;
    --color-badge-success-text: #155724;
    --color-badge-warning-bg: #fff3cd;
    --color-badge-warning-text: #856404;
    --color-badge-danger-bg: #f8d7da;
    --color-badge-danger-text: #721c24;
    --color-badge-info-bg: #d1ecf1;
    --color-badge-info-text: #0c5460;
    --font-size-h1-md: 1.6rem;
    --font-size-h1-sm: 1.3rem;
    --font-size-table-sm: 0.8rem;
    --font-size-rating: 1.2rem;
    --font-size-toggle: 0.7rem;
    --font-size-details-sm: 0.95rem;
    --badge-padding-y: 0.25rem;
    --badge-padding-x: 0.75rem;
    --spacing-mobile-cell: 0.4rem;
    --color-highlight-start: #e8f4f8;
    --color-highlight-end: #d4edda;
    --color-header-subtitle: rgba(255, 255, 255, 0.95);
    --color-header-meta: rgba(255, 255, 255, 0.9);
    --color-print-border: #ddd;
    --grid-cell-min: 200px;
    --spacing-nested-details-y: 0.6rem;
    /* --color-* bridge aliases — aligns with portal-base and competitor-base naming convention.
     * --color-primary/secondary/accent are intentionally not dark-mode overridden (brand hues are stable).
     * --color-bg-page uses -page suffix to avoid collision with portal-base's --color-bg.
     * Portal-base and portal-layout already use --color-* naming natively (no bridge needed). */
    --color-primary: var(--primary);
    --color-secondary: var(--secondary);
    --color-accent: var(--accent);
    --color-bg-page: var(--light);
    --color-text-primary: var(--dark);
    --color-on-surface: var(--dark);
    --color-border-default: var(--border);
}

/* Dark mode :root variable overrides — element-level overrides are at end of file
 * to ensure they win the cascade over light-mode rules with equal specificity. */
@media (prefers-color-scheme: dark) {
    :root {
        --light: #1a1a2e;
        --dark: #f0f0f0;
        --border: #333;
        --secondary: #14b8a6;
        --color-text-muted: #d0d0d0;
        --color-text-secondary: #e0e0e0;
        --color-text-body: #ececec;
        --color-dark-body-bg: #0f0f23;
        --color-dark-surface: #1a1a2e;
        --color-dark-surface-raised: #1e293b;
        --color-dark-th-bg: #222;
        --color-dark-hover: #252535;
        --color-dark-highlight-start: #1a2a2a;
        --color-dark-highlight-end: #1a2a1a;
        --color-dark-warning-bg: #2a2210;
        --color-dark-footer-text: #d8d8d8;
        --color-dark-badge-success-bg: #1a3a2a;
        --color-dark-badge-success-text: #90dab0;
        --color-dark-badge-warning-bg: #3a3020;
        --color-dark-badge-warning-text: #f5d060;
        --color-dark-badge-danger-bg: #3a1a1e;
        --color-dark-badge-danger-text: #f0a0a8;
        --color-dark-badge-info-bg: #1a2a35;
        --color-dark-badge-info-text: #88cce0;
        --color-dark-swot-opportunity: #c49fe8;
        --color-dark-swot-opportunity-bg: #2a1a3a;
    }
}

* { margin: 0; padding: 0; box-sizing: border-box; }

.skip-link {
    position: absolute;
    left: var(--offscreen-left);
    top: auto;
    width: var(--sr-only-size);
    height: var(--sr-only-size);
    overflow: hidden;
}
.skip-link:focus {
    position: fixed;
    left: var(--spacing-sm);
    top: var(--spacing-sm);
    width: auto;
    height: auto;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--primary, #1a5f7a);
    color: var(--color-white);
    border-radius: var(--radius-xs);
    z-index: var(--z-index-skip-link);
    font-weight: var(--font-weight-semibold);
}

body {
    font-family: var(--font-report, var(--font-serif));
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--dark, #212529);
    background: var(--light, #f8f9fa);
}

.container { max-width: var(--content-width); margin: 0 auto; padding: var(--spacing-lg); }

header {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--color-white);
    padding: var(--spacing-xl) var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}
header h1 { font-size: var(--font-size-h1); margin-bottom: var(--spacing-xs); color: var(--color-white); }
header .subtitle { font-size: var(--font-size-h1-subtitle); color: var(--color-header-subtitle); }
header .meta { margin-top: var(--spacing-sm); font-size: var(--font-size-sm); color: var(--color-header-meta); }

.executive-summary {
    background: var(--color-white);
    border-left: var(--border-accent-width) solid var(--accent);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    box-shadow: var(--shadow-sm);
}
.executive-summary h2 { color: var(--primary); margin-bottom: var(--spacing-sm); }
.executive-summary p + p { margin-top: var(--spacing-sm); }

section, #toc {
    background: var(--color-white);
    margin-bottom: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}
section h2, #toc h2 {
    background: var(--primary);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-h2);
}
section h3 {
    color: var(--secondary);
    margin: var(--spacing-md) 0 var(--spacing-table-cell) 0;
    font-size: var(--font-size-h3);
}
.section-content { padding: var(--spacing-md); overflow-x: auto; }

table { width: 100%; border-collapse: collapse; margin: var(--spacing-sm) 0; }
th, td { padding: var(--spacing-table-cell); text-align: left; border-bottom: var(--border-width-1) solid var(--border); }
th { background: var(--light); font-weight: var(--font-weight-semibold); color: var(--primary); }
tr:hover { background: var(--light); }

ul, ol { margin: var(--spacing-sm) 0; padding-left: var(--spacing-md); }
li { margin-bottom: var(--spacing-xs); }

.highlight-box {
    background: linear-gradient(135deg, var(--color-highlight-start), var(--color-highlight-end));
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    margin: var(--spacing-sm) 0;
}

.warning-box {
    background: var(--color-warning-bg);
    border-left: var(--border-accent-width) solid var(--color-warning-border);
    padding: var(--spacing-sm) var(--spacing-md);
    margin: var(--spacing-sm) 0;
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.info-box {
    background: var(--color-info-bg);
    border-left: var(--border-accent-width) solid var(--primary);
    padding: var(--spacing-sm) var(--spacing-md);
    margin: var(--spacing-sm) 0;
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

blockquote {
    background: var(--light);
    border-left: var(--border-accent-width) solid var(--accent);
    padding: var(--spacing-sm) var(--spacing-md);
    margin: var(--spacing-sm) 0;
    font-style: italic;
    color: var(--color-text-body);
}

.source { font-size: var(--font-size-sm); color: var(--color-text-secondary); font-style: italic; }

.badge {
    display: inline-block;
    padding: var(--badge-padding-y) var(--badge-padding-x);
    border-radius: var(--badge-radius);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
}
.badge-success, .badge-verified, .badge-high { background: var(--color-badge-success-bg); color: var(--color-badge-success-text); }
.badge-warning, .badge-inferred, .badge-medium { background: var(--color-badge-warning-bg); color: var(--color-badge-warning-text); }
.badge-danger, .badge-unverified { background: var(--color-badge-danger-bg); color: var(--color-badge-danger-text); }
.badge-info, .badge-quick { background: var(--color-badge-info-bg); color: var(--color-badge-info-text); }

.rating { color: var(--color-rating); font-size: var(--font-size-rating); }

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(var(--grid-cell-min), 1fr));
    gap: var(--spacing-sm);
    margin: var(--spacing-sm) 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(var(--grid-cell-min), 1fr));
    gap: var(--spacing-sm);
    margin: var(--spacing-sm) 0;
}

.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
    margin: var(--spacing-sm) 0;
}
.contact-item { background: var(--light); padding: var(--spacing-sm); border-radius: var(--radius-lg); text-align: center; }
.contact-item .label { font-size: var(--font-size-xs); color: var(--color-text-muted); margin-bottom: var(--spacing-detail-gap); }
.contact-item .value { font-weight: var(--font-weight-semibold); color: var(--primary); }

.verification-table td:nth-child(2),
.verification-table td:nth-child(3),
.verification-table td:nth-child(4) { text-align: center; }

footer {
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    border-top: var(--border-width-1) solid var(--border);
    margin-top: var(--spacing-lg);
}

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

/* Collapsible sections */
details {
    margin: var(--spacing-sm) 0;
    border: var(--border-width-1) solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
}
details summary {
    padding: var(--spacing-table-cell) var(--spacing-sm);
    background: var(--light);
    cursor: pointer;
    font-weight: var(--font-weight-semibold);
    color: var(--primary);
    list-style: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    user-select: none;
}
details summary::-webkit-details-marker { display: none; }
details summary::before {
    content: '\25B6';
    font-size: var(--font-size-toggle);
    transition: transform var(--transition-fast);
    flex-shrink: 0;
}
details[open] summary::before { transform: rotate(90deg); }
details summary:hover { background: var(--border-light); }
details summary .detail-count {
    font-weight: var(--font-weight-normal);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-left: auto;
}
details .details-content { padding: var(--spacing-sm) var(--spacing-md); }
details details { margin: var(--spacing-table-cell) 0; border-color: var(--border-light); }
details details summary { font-size: var(--font-size-details-sm); padding: var(--spacing-nested-details-y) var(--spacing-sm); }

/* Responsive */
@media (max-width: 768px) {
    header h1 { font-size: var(--font-size-h1-md); }
    header .subtitle { font-size: var(--font-size-sm); }
    .container { padding: var(--spacing-sm); }
    .section-content { padding: var(--spacing-sm); }
    section h2, #toc h2 { font-size: var(--font-size-h3); padding: var(--spacing-table-cell) var(--spacing-sm); }
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr; }
    .two-col { grid-template-columns: 1fr; }
    table { font-size: var(--font-size-xs); }
    th, td { padding: var(--spacing-xs); }
}

@media (max-width: 480px) {
    header h1 { font-size: var(--font-size-h1-sm); }
    header { padding: var(--spacing-lg) var(--spacing-sm); }
    .stat-grid { grid-template-columns: 1fr; }
    table { font-size: var(--font-size-table-sm); }
    th, td { padding: var(--spacing-mobile-cell); }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@media print {
    body { background: var(--color-white); }
    .container { max-width: 100%; }
    section { box-shadow: none; border: var(--border-width-1) solid var(--color-print-border); }
    details { border: none; }
    details, details[open] { display: block; }
    details > summary { display: none; }
    details .details-content { padding: 0; }
}

.sr-only {
    position: absolute;
    width: var(--sr-only-size);
    height: var(--sr-only-size);
    padding: 0;
    margin: var(--sr-only-margin);
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Spacing utilities — replaces common inline style patterns */
.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.p-sm  { padding: var(--spacing-sm); }
.p-md  { padding: var(--spacing-md); }
.pl-md { padding-left: var(--spacing-md); }
.hidden { display: none; }
.w-full { width: 100%; }

/* Semantic color utilities */
.bg-info    { background: var(--color-info-bg); }
.bg-warning { background: var(--color-warning-bg); }
.text-white   { color: var(--color-white); }
.text-primary { color: var(--primary); }
.text-accent  { color: var(--accent); }
.text-muted   { color: var(--color-text-muted); }
.text-sm    { font-size: var(--font-size-sm); }
.text-lg    { font-size: var(--font-size-h3); }

/* SWOT heading and label spacing utilities */
.mt-detail { margin-top: var(--spacing-detail-gap); }
.mb-swot   { margin-bottom: var(--spacing-swot-gap); }

/* Nested list reset — overrides ul/ol default margin so nested lists don't double-indent */
.nested-list    { margin: 0; padding-left: var(--spacing-md); }
.nested-list-sm { margin: 0; padding-left: var(--spacing-list-sm); }
.nested-list-xs { margin: 0; padding-left: var(--spacing-sm); }

/* Semantic box variants (SWOT, status cards) — simpler than .warning-box/.highlight-box which add borders */
.box-success          { background: var(--color-badge-success-bg); padding: var(--spacing-sm); border-radius: var(--radius-lg); }
.box-warning          { background: var(--color-warning-bg); padding: var(--spacing-sm); border-radius: var(--radius-lg); }
.box-danger           { background: var(--color-badge-danger-bg); padding: var(--spacing-sm); border-radius: var(--radius-lg); }
.box-info             { background: var(--color-info-bg); padding: var(--spacing-sm); border-radius: var(--radius-lg); }
.box-swot-opportunity { background: var(--color-swot-opportunity-bg, var(--color-info-bg)); padding: var(--spacing-sm); border-radius: var(--radius-lg); }

/* Text color semantics */
.color-success           { color: var(--color-badge-success-text); }
.color-warning           { color: var(--color-badge-warning-text); }
.color-danger            { color: var(--color-badge-danger-text); }
.color-swot-opportunity  { color: var(--color-swot-opportunity, var(--primary)); }

/* ==========================================================================
   DARK MODE — Element-level overrides
   Placed AFTER all light-mode rules so they win the cascade at equal specificity.
   ========================================================================== */
@media (prefers-color-scheme: dark) {
    body { background: var(--color-dark-body-bg); -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
    section, .executive-summary, #toc { background: var(--color-dark-surface); }
    .executive-summary, .executive-summary h2, .executive-summary p { background: var(--color-dark-surface); color: var(--color-text-body); }
    section h2, #toc h2 { background: var(--color-dark-surface-raised); }
    th { background: var(--color-dark-th-bg); color: var(--color-text-secondary); }
    td { background: var(--color-dark-surface); color: var(--color-text-body); }
    tr:hover td { background: var(--color-dark-hover); }
    tr:hover { background: var(--color-dark-hover); }
    .highlight-box { background: linear-gradient(135deg, var(--color-dark-highlight-start), var(--color-dark-highlight-end)); }
    .warning-box { background: var(--color-dark-warning-bg); }
    .info-box { background: var(--color-dark-surface); }
    blockquote { background: var(--color-dark-surface); color: var(--color-text-body); }
    .source { color: var(--color-text-secondary); }
    footer { color: var(--color-dark-footer-text); }
    .contact-item .label { color: var(--color-dark-footer-text); }
    details summary .detail-count { color: var(--color-dark-footer-text); }
    details summary:hover { background: var(--color-dark-hover); }

    .badge-success, .badge-verified, .badge-high { background: var(--color-dark-badge-success-bg); color: var(--color-dark-badge-success-text); }
    .badge-warning, .badge-inferred, .badge-medium { background: var(--color-dark-badge-warning-bg); color: var(--color-dark-badge-warning-text); }
    .badge-danger, .badge-unverified { background: var(--color-dark-badge-danger-bg); color: var(--color-dark-badge-danger-text); }
    .badge-info, .badge-quick { background: var(--color-dark-badge-info-bg); color: var(--color-dark-badge-info-text); }

    .box-success          { background: var(--color-dark-badge-success-bg, #1a3a2a); }
    .box-warning          { background: var(--color-dark-badge-warning-bg, #3a3020); }
    .box-danger           { background: var(--color-dark-badge-danger-bg, #3a1a1a); }
    .box-info             { background: var(--color-dark-badge-info-bg, #1a2a35); }
    .box-swot-opportunity { background: var(--color-dark-swot-opportunity-bg, #2a1a3a); }
    .color-success          { color: var(--color-dark-badge-success-text, #90dab0); }
    .color-warning          { color: var(--color-dark-badge-warning-text, #f5d060); }
    .color-danger           { color: var(--color-dark-badge-danger-text, #f0a0a8); }
    .color-swot-opportunity { color: var(--color-dark-swot-opportunity, #c49fe8); }
    .bg-info    { background: var(--color-dark-surface-raised, #1e293b); }
    .bg-warning { background: var(--color-dark-warning-bg, #2a2210); }
}