:root {
    --bs-blue: #0f172a;
    --bs-green: #10b981;
    
    --bs-primary: #0f172a;
    --bs-secondary: #64748b;
    --bs-success: #10b981;
    --bs-info: #0ea5e9;
    --bs-warning: #f59e0b;
    --bs-danger: #ef4444;
    
    --bs-body-bg: #f8fafc;
    --bs-body-color: #334155;
    
    --bs-font-sans-serif: 'Inter', system-ui, -apple-system, sans-serif;
    --bs-body-font-family: var(--bs-font-sans-serif);
    
    --bs-border-radius: 0.5rem;
    --bs-border-radius-sm: 0.375rem;
    --bs-border-radius-lg: 0.75rem;

    /* Design system tokens */
    --accent: #0d9488;
    --accent-hover: #0f766e;
    --accent-light: #f0fdfa;
    --accent-border: #99f6e4;
    --profit: #059669;
    --profit-bg: #ecfdf5;
    --loss: #dc2626;
    --loss-bg: #fef2f2;
    --surface: #ffffff;
    --surface-raised: #ffffff;
    --surface-muted: #f8fafc;
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --radius-card: 1rem;
    --radius-pill: 2rem;
    --shadow-card: 0 1px 3px rgba(0,0,0,0.08), 0 8px 24px rgba(0,0,0,0.04);
    --shadow-card-hover: 0 4px 12px rgba(0,0,0,0.1), 0 12px 32px rgba(0,0,0,0.06);
}

body {
    font-feature-settings: "cv11", "ss01";
    -webkit-font-smoothing: antialiased;
    -webkit-tap-highlight-color: transparent;
    overscroll-behavior-y: none;
    font-size: 0.95rem;
}

.bg-navy {
    background-color: var(--bs-primary) !important;
}

.text-navy {
    color: var(--bs-primary) !important;
}

/* Utility classes */
.text-profit { color: var(--profit) !important; }
.text-loss { color: var(--loss) !important; }
.text-accent { color: var(--accent) !important; }
.text-muted-custom { color: var(--text-muted) !important; }
.bg-accent-light { background-color: var(--accent-light) !important; }
.bg-profit-light { background-color: var(--profit-bg) !important; }
.bg-loss-light { background-color: var(--loss-bg) !important; }
.bg-surface { background-color: var(--surface) !important; }
.border-accent { border-color: var(--accent-border) !important; }

.card {
    border: none;
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.form-control, .form-select {
    border-color: #cbd5e1;
    padding: 0.75rem 1rem;
    font-weight: 500;
}

.form-control:focus, .form-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 0.25rem rgba(13, 148, 136, 0.15);
}

.btn-primary {
    background-color: var(--bs-primary);
    border-color: var(--bs-primary);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
}

.navbar {
    background-color: var(--surface) !important;
    border-bottom: 1px solid var(--border);
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.navbar-brand {
    font-weight: 700;
    letter-spacing: -0.025em;
    color: var(--text-primary) !important;
    font-size: 1.2rem;
}

.navbar-brand:hover {
    color: var(--accent) !important;
}

/* ========================================
   Query Box - Natural Language Search
   ======================================== */

.query-box {
    background: var(--surface);
    border: none;
    border-radius: var(--radius-card);
    padding: 2rem 2.5rem;
    box-shadow: var(--shadow-card);
    text-align: center;
    transition: box-shadow 0.3s ease, transform 0.2s ease;
}

.query-box:focus-within {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-2px);
}

.query-line {
    font-size: 1.75rem;
    line-height: 2.8;
    color: #64748b;
    font-weight: 400;
}

.query-word {
    margin: 0 0.15em;
}

.query-select,
.query-input {
    font-family: inherit;
    font-size: inherit;
    font-weight: 600;
    color: var(--bs-primary);
    background: transparent;
    border: none;
    border-bottom: 2px dashed #cbd5e1;
    padding: 0 0.1em;
    margin: 0 0.1em;
    outline: none;
    transition: border-color 0.2s ease, background-color 0.2s ease;
    cursor: pointer;
}

.query-select {
    appearance: none;
    -webkit-appearance: none;
    background-image: none;
}

.query-select:focus,
.query-input:focus {
    border-bottom-style: solid;
    border-bottom-color: var(--accent);
    background-color: rgba(13, 148, 136, 0.04);
}

.query-input {
    min-width: 4ch;
    width: 5.5ch;
    text-align: center;
}

.query-select-asset {
    min-width: 6ch;
}

.query-amount {
    white-space: nowrap;
}

.query-btn {
    display: inline-block;
    margin-top: 1.5rem;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: #ffffff;
    background: var(--accent);
    border: none;
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
    box-shadow: 0 4px 6px -1px rgba(13, 148, 136, 0.3);
}

.query-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 12px -1px rgba(13, 148, 136, 0.35);
    background: var(--accent-hover);
}

.query-btn:active {
    transform: translateY(0);
}

/* Example Queries */
.example-queries {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.example-query {
    display: inline-block;
    padding: 0.5rem 0;
    font-size: 0.95rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.example-query::before {
    content: '\201C';
}

.example-query::after {
    content: '\201D';
}

.example-query:hover {
    color: var(--bs-primary);
}

/* ========================================
   Homepage Tagline
   ======================================== */
.home-tagline {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 400;
    max-width: 420px;
    margin: 0 auto;
    line-height: 1.5;
}

/* ========================================
   Editorial Hero (two-column desktop)
   ======================================== */
.hero-editorial {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    align-items: center;
    min-height: 420px;
    padding: 1rem 0 0;
}

.hero-left {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.hero-headline {
    font-size: 2.75rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.035em;
    color: var(--text-primary);
    margin: 0 0 1rem;
}

.hero-headline-accent {
    color: var(--accent);
}

.hero-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0 0 1.75rem;
    max-width: 380px;
}

.hero-proof {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.hero-proof-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

.hero-right {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-right form {
    width: 100%;
}

/* ---- Mobile hero header ---- */
.hero-mobile-header {
    text-align: center;
    margin-bottom: 1.25rem;
    padding-top: 0.25rem;
}

.hero-headline-mobile {
    font-size: 1.5rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    margin: 0 0 0.75rem;
}

.hero-proof-mobile {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.375rem;
}

.hero-proof-mobile .showcase-rotator {
    width: 100%;
    height: 3.5rem;
}

/* ========================================
   Showcase Rotator (hero stats)
   ======================================== */
.showcase-rotator {
    position: relative;
    height: 3.75rem;
    overflow: hidden;
}

.showcase-item {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 0.25rem;
    opacity: 0;
    transform: translateY(16px);
    pointer-events: none;
    text-decoration: none;
    color: inherit;
    transition: opacity 0.45s ease, transform 0.45s ease;
}

/* Center showcase items inside mobile hero */
.hero-proof-mobile .showcase-item,
.hero-mobile-header .showcase-item {
    align-items: center;
}

.showcase-item.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.showcase-item.exit {
    opacity: 0;
    transform: translateY(-16px);
    pointer-events: none;
}

.showcase-item:hover {
    text-decoration: none;
    color: inherit;
}

.showcase-context {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 400;
}

.showcase-result {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
}

.showcase-value {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.showcase-change {
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-pill);
}

.showcase-change.profit {
    color: var(--profit);
    background: var(--profit-bg);
}

.showcase-change.loss {
    color: var(--loss);
    background: var(--loss-bg);
}

/* ========================================
   Mobile Form (visible only on mobile)
   ======================================== */
.mobile-form {
    display: none;
}

.mobile-form-card {
    background: var(--surface);
    border: none;
    border-radius: var(--radius-card);
    padding: 1.5rem;
    box-shadow: var(--shadow-card);
}

/* Period pills */
.period-pills {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 0.25rem;
}

.period-pills::-webkit-scrollbar {
    display: none;
}

.period-pill {
    flex-shrink: 0;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--surface-muted);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.period-pill:hover {
    border-color: var(--accent-border);
    background: var(--accent-light);
}

.period-pill.active {
    color: var(--accent);
    background: var(--accent-light);
    border-color: var(--accent);
}

/* Mobile amount input */
.mobile-amount-group {
    position: relative;
    display: flex;
    align-items: center;
}

.mobile-amount-input {
    width: 100%;
    padding: 0.875rem 3.5rem 0.875rem 1rem;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    background: var(--surface-muted);
    border: 1.5px solid var(--border);
    border-radius: 0.75rem;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    min-height: 52px;
}

.mobile-amount-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

.mobile-amount-input::placeholder {
    color: var(--text-muted);
    font-weight: 400;
}

.mobile-amount-suffix {
    position: absolute;
    right: 1rem;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 1rem;
    pointer-events: none;
}

/* Mobile asset button */
.mobile-asset-btn {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--surface-muted);
    border: 1.5px solid var(--border);
    border-radius: 0.75rem;
    cursor: pointer;
    transition: border-color 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 52px;
    text-align: left;
}

.mobile-asset-btn.has-value {
    color: var(--text-primary);
    font-weight: 600;
}

.mobile-asset-btn:hover,
.mobile-asset-btn:focus {
    border-color: var(--accent);
    outline: none;
}

.mobile-asset-btn i {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Mobile CTA */
.mobile-cta {
    width: 100%;
    padding: 0.875rem 1.5rem;
    font-size: 1.05rem;
    font-weight: 600;
    color: #ffffff;
    background: var(--accent);
    border: none;
    border-radius: 0.75rem;
    cursor: pointer;
    transition: background-color 0.15s ease, transform 0.1s ease, box-shadow 0.15s ease;
    box-shadow: 0 4px 12px rgba(13, 148, 136, 0.25);
    min-height: 52px;
}

.mobile-cta:hover {
    background: var(--accent-hover);
}

.mobile-cta:active {
    transform: scale(0.98);
}

/* Form field label */
.mobile-form-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

/* Mobile form asset picker override */
.mobile-form .asset-picker-wrapper {
    display: block;
    width: 100%;
}

.mobile-form .asset-picker-trigger {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--surface-muted);
    border: 1.5px solid var(--border);
    border-bottom: 1.5px solid var(--border);
    border-radius: 0.75rem;
    cursor: pointer;
    transition: border-color 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 52px;
    text-align: left;
}

.mobile-form .asset-picker-trigger.has-value {
    color: var(--text-primary);
    font-weight: 600;
}

.mobile-form .asset-picker-trigger:hover,
.mobile-form .asset-picker-trigger:focus {
    border-color: var(--accent);
    outline: none;
}

/* ========================================
   Popular Calculations Cards
   ======================================== */
.popular-section-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

/* Desktop grid */
.popular-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    max-width: 680px;
    margin: 0 auto;
}

.popular-cards {
    gap: 0.75rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 0.5rem;
}

.popular-cards::-webkit-scrollbar {
    display: none;
}

.popular-card {
    flex-shrink: 0;
    padding: 1rem 1.125rem;
    background: var(--surface);
    border: none;
    border-radius: 0.875rem;
    box-shadow: var(--shadow-card);
    text-decoration: none;
    color: inherit;
    transition: box-shadow 0.2s ease, transform 0.15s ease;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.popular-card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-2px);
    color: inherit;
    text-decoration: none;
}

/* Rich card layout */
.popular-card-rich {
    width: auto;
    text-align: left;
    gap: 0.625rem;
}

.popular-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.popular-card-bottom {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.5rem;
}

.popular-card-asset {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.popular-card-badge {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-pill);
}

.popular-card-badge.profit {
    color: var(--profit);
    background: var(--profit-bg);
}

.popular-card-badge.loss {
    color: var(--loss);
    background: var(--loss-bg);
}

.popular-card-detail {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.popular-card-result {
    font-size: 0.95rem;
    font-weight: 700;
}

.popular-card-result.profit {
    color: var(--profit);
}

.popular-card-result.loss {
    color: var(--loss);
}

.popular-card-change {
    font-size: 0.8rem;
    font-weight: 600;
}

.popular-card-change.profit {
    color: var(--profit);
}

.popular-card-change.loss {
    color: var(--loss);
}

/* Mobile: scrollable cards */
.popular-cards .popular-card-rich {
    width: 220px;
}

/* Hide number input spinners */
input[type=number]::-webkit-inner-spin-button, 
input[type=number]::-webkit-outer-spin-button { 
    -webkit-appearance: none; 
    margin: 0; 
}
input[type=number] {
    -moz-appearance: textfield;
}

/* Responsive */
@media (max-width: 768px) {
    :root {
        --bs-body-color: #1e293b;
        --bs-secondary: #475569;
        --text-secondary: #475569;
        --text-muted: #64748b;
    }

    body {
        color: var(--bs-body-color);
    }

    .site-footer {
        padding-top: 2rem;
    }

    .query-line,
    .asset-type-btn,
    .asset-item-code,
    .result-recalc-form,
    .result-date-badge {
        color: var(--text-secondary);
    }

    /* Reduce main container vertical padding on mobile */
    main.py-5 {
        padding-top: 1rem !important;
        padding-bottom: 2rem !important;
    }

    /* Show mobile form, hide desktop form */
    .mobile-form {
        display: block;
    }
    .popular-cards.mobile-form {
        display: flex;
    }
    .desktop-form {
        display: none;
    }
    .popular-grid.desktop-form {
        display: none;
    }

    /* Tighten heading spacing */
    .hero-mobile-header {
        margin-top: 0 !important;
        margin-bottom: 1.15rem !important;
        padding-inline: 0.25rem;
    }

    .mobile-form-card {
        padding: 1.1rem;
    }

    /* Showcase rotator mobile */
    .showcase-rotator {
        height: 3.5rem;
    }

    .showcase-context {
        font-size: 0.78rem;
    }

    .showcase-value {
        font-size: 1.15rem;
    }

    .showcase-change {
        font-size: 0.78rem;
    }

    .query-box {
        padding: 1.5rem 1.25rem;
    }
    
    .query-line {
        font-size: 1.25rem;
        line-height: 2.5;
    }
    
    .query-btn {
        width: 100%;
        padding: 1rem 1.5rem;
    }

    .popular-cards {
        padding: 0 0.5rem 0.5rem;
        margin: 0 -0.5rem;
    }

    .popular-section-label {
        margin-bottom: 0.9rem;
    }

    /* 44px minimum touch targets */
    .navbar-toggler {
        min-width: 44px;
        min-height: 44px;
    }

    .navbar-nav .nav-link {
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    .example-query {
        min-height: 44px;
        display: inline-flex;
        align-items: center;
    }

    .chart-legend-remove {
        min-width: 44px;
        min-height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
}

/* ========================================
   Asset Picker Dropdown
   ======================================== */

.asset-picker-wrapper {
    position: relative;
    display: inline-block;
}

.asset-picker-trigger {
    background: transparent;
    cursor: pointer;
    min-width: 6ch;
    text-align: center;
}

.asset-picker-dropdown {
    position: absolute;
    top: calc(100% + 0.75rem);
    left: 50%;
    transform: translateX(-50%) scale(0.95);
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
    transition: all 0.2s ease;
    pointer-events: none;
}

.asset-picker-dropdown.open {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) scale(1);
    pointer-events: auto;
}

.asset-picker-inner {
    display: flex;
    background: var(--surface);
    border: none;
    border-radius: var(--radius-card);
    box-shadow: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    overflow: hidden;
    min-width: 420px;
}

/* Left: Asset Types */
.asset-picker-types {
    display: flex;
    flex-direction: column;
    background: #f8fafc;
    border-right: 1px solid #e2e8f0;
    padding: 0.5rem;
    gap: 0.25rem;
    min-width: 140px;
}

.asset-type-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: #64748b;
    background: transparent;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.15s ease;
    text-align: left;
}

.asset-type-btn:hover {
    background: #e2e8f0;
    color: #334155;
}

.asset-type-btn.active {
    background: var(--bs-primary);
    color: #ffffff;
}

.asset-type-icon {
    font-size: 1.25rem;
    line-height: 1;
}

.asset-type-label {
    white-space: nowrap;
}

/* Right: Asset Items */
.asset-picker-items {
    flex: 1;
    padding: 0.5rem;
    max-height: 280px;
    overflow-y: auto;
}

.asset-items-group {
    display: none;
    flex-direction: column;
    gap: 0.25rem;
}

.asset-items-group.active {
    display: flex;
}

.asset-item-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    color: #334155;
    background: transparent;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.15s ease;
    text-align: left;
}

.asset-item-btn:hover {
    background: #f1f5f9;
}

.asset-item-btn.selected {
    background: #ccfbf1;
    color: var(--bs-primary);
}

.asset-item-code {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 3.5rem;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 700;
    color: #64748b;
    background: #e2e8f0;
    border-radius: 0.375rem;
    text-transform: uppercase;
}

.asset-item-name {
    font-weight: 500;
}

/* Scrollbar styling */
.asset-picker-items::-webkit-scrollbar {
    width: 6px;
}

.asset-picker-items::-webkit-scrollbar-track {
    background: transparent;
}

.asset-picker-items::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}

.asset-picker-items::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* ---- Mobile bottom-sheet for asset picker ---- */
.asset-picker-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.25s ease;
    pointer-events: none;
    -webkit-tap-highlight-color: transparent;
}

.asset-picker-backdrop.open {
    opacity: 1;
    pointer-events: auto;
}

@media (max-width: 768px) {
    .asset-picker-backdrop {
        display: block;
    }

    .asset-picker-dropdown {
        position: fixed !important;
        top: auto !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        transform: translateX(0) translateY(100%) !important;
        z-index: 1000;
        padding: 0;
        transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1), opacity 0.2s ease;
    }

    .asset-picker-dropdown.open {
        transform: translateX(0) translateY(0) !important;
    }

    .asset-picker-inner {
        flex-direction: column;
        min-width: auto;
        width: 100%;
        border-radius: 1rem 1rem 0 0;
        border-bottom: none;
        max-height: 55vh;
        box-shadow: 0 -10px 40px rgb(0 0 0 / 0.15);
    }

    /* Drag handle pill */
    .asset-picker-inner::before {
        content: '';
        display: block;
        width: 36px;
        height: 4px;
        background: #cbd5e1;
        border-radius: 2px;
        margin: 0.625rem auto 0;
        flex-shrink: 0;
    }

    .asset-picker-types {
        flex-direction: row;
        overflow-x: auto;
        border-right: none;
        border-bottom: 1px solid #e2e8f0;
        min-width: auto;
        flex-shrink: 0;
        padding: 0.5rem 0.75rem;
        gap: 0.5rem;
    }

    .asset-type-btn {
        flex-direction: column;
        gap: 0.25rem;
        padding: 0.625rem 1rem;
        font-size: 0.8rem;
        min-height: 44px;
        justify-content: center;
        flex-shrink: 0;
    }

    .asset-type-icon {
        font-size: 1.5rem;
    }

    .asset-picker-items {
        max-height: none;
        flex: 1;
        overflow-y: auto;
        overscroll-behavior: contain;
        -webkit-overflow-scrolling: touch;
        padding: 0.5rem 0.75rem;
        padding-bottom: env(safe-area-inset-bottom, 0.5rem);
    }

    .asset-item-btn {
        min-height: 48px;
        padding: 0.875rem 1rem;
        font-size: 1rem;
    }

    /* Override compact variant on mobile */
    .asset-picker-compact .asset-picker-dropdown {
        position: fixed !important;
        top: auto !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        transform: translateX(0) translateY(100%) !important;
    }

    .asset-picker-compact .asset-picker-dropdown.open {
        transform: translateX(0) translateY(0) !important;
    }

    /* Override compare picker: bottom sheet on mobile instead of upward dropdown */
    .result-chart-compare .asset-picker-compact .asset-picker-dropdown {
        top: auto !important;
        bottom: 0 !important;
        transform: translateX(0) translateY(100%) !important;
    }

    .result-chart-compare .asset-picker-compact .asset-picker-dropdown.open {
        transform: translateX(0) translateY(0) !important;
    }

    /* Body scroll lock */
    body.picker-open {
        overflow: hidden;
    }
}

/* Asset picker validation */
.asset-picker-error {
    color: var(--bs-danger);
    font-size: 0.8rem;
    margin-top: 0.25rem;
    min-height: 1.2em;
}

.asset-picker-trigger.is-invalid {
    border-color: var(--bs-danger);
    box-shadow: 0 0 0 0.2rem rgba(239, 68, 68, 0.15);
}

/* Compact variant (for recalc form) */
.asset-picker-compact {
    position: relative;
    display: inline-block;
}

.asset-picker-compact .asset-picker-trigger {
    font-family: inherit;
    font-size: inherit;
    font-weight: 600;
    color: var(--bs-primary);
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    border-bottom: 1px solid #e2e8f0;
    border-radius: 0.375rem;
    padding: 0.375rem 0.625rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    transition: border-color 0.15s ease;
    white-space: nowrap;
    min-width: auto;
    text-align: left;
}

.asset-picker-compact .asset-picker-trigger:hover,
.asset-picker-compact .asset-picker-trigger:focus {
    border-color: var(--bs-primary);
    outline: none;
    background-color: #f1f5f9;
}

.asset-picker-chevron {
    font-size: 0.7rem;
    opacity: 0.6;
    transition: transform 0.2s ease;
}

.asset-picker-compact .asset-picker-dropdown {
    left: 0;
    transform: translateX(0) scale(0.95);
}

.asset-picker-compact .asset-picker-dropdown.open {
    transform: translateX(0) scale(1);
}

.asset-picker-compact .asset-picker-error {
    font-size: 0.75rem;
    position: absolute;
    top: 100%;
    left: 0;
    min-height: 0;
    margin-top: 0.125rem;
}

/* ========================================
   Result Page - Dashboard Layout
   ======================================== */

.result-page {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* ---- Collapsible recalc bar ---- */
.result-recalc {
    background: var(--surface);
    border: none;
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    overflow: hidden;
}

/* Mobile summary pill — shown only on mobile */
.recalc-summary-pill {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0.75rem 1rem;
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.recalc-summary-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.recalc-summary-icon {
    color: var(--accent);
    font-size: 0.95rem;
    flex-shrink: 0;
    margin-left: 0.5rem;
    transition: transform 0.2s ease;
}

.result-recalc.expanded .recalc-summary-icon {
    transform: rotate(90deg);
}

/* Form wrapper — collapsed on mobile, visible on desktop */
.recalc-form-wrap {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 1rem;
}

.result-recalc.expanded .recalc-form-wrap {
    max-height: 300px;
    padding: 0 1rem 0.875rem;
}

/* On desktop: always show form, hide summary pill */
@media (min-width: 769px) {
    .recalc-summary-pill {
        display: none;
    }
    .result-recalc {
        overflow: visible;
    }
    .recalc-form-wrap {
        max-height: none;
        overflow: visible;
        padding: 0.875rem 1.25rem 0;
    }
}

.result-recalc-form {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    font-size: 0.95rem;
    color: #64748b;
}

.recalc-label {
    color: var(--text-muted);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.recalc-word {
    color: var(--text-muted);
    font-weight: 400;
    white-space: nowrap;
}

.recalc-group {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.recalc-select {
    font-family: inherit;
    font-size: inherit;
    font-weight: 600;
    color: var(--bs-primary);
    background: var(--border-light);
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    padding: 0.375rem 0.625rem;
    cursor: pointer;
    transition: border-color 0.15s ease;
}

.recalc-select:focus {
    outline: none;
    border-color: var(--accent);
}

.recalc-input {
    font-family: inherit;
    font-size: inherit;
    font-weight: 600;
    color: var(--bs-primary);
    background: var(--border-light);
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    padding: 0.375rem 0.625rem;
    min-width: 4ch;
    width: 7ch;
    text-align: center;
    transition: border-color 0.15s ease, width 0.1s ease;
}

.recalc-input:focus {
    outline: none;
    border-color: var(--accent);
}

.recalc-btn {
    font-family: inherit;
    font-size: 1rem;
    color: #ffffff;
    background: var(--accent);
    border: none;
    border-radius: 0.375rem;
    padding: 0.4rem 0.75rem;
    cursor: pointer;
    transition: opacity 0.15s ease;
    margin-left: auto;
    flex-shrink: 0;
}

.recalc-btn:hover {
    opacity: 0.85;
}

/* Hero section */
.result-hero {
    background: var(--surface);
    border: none;
    border-radius: var(--radius-card);
    padding: 1.5rem 1.25rem 1.25rem;
    text-align: center;
    box-shadow: var(--shadow-card);
}

.result-hero-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.result-asset-badge {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--bs-primary);
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    padding: 0.3rem 0.875rem;
    border-radius: 2rem;
}

.result-date-badge {
    font-size: 0.8rem;
    font-weight: 500;
    color: #64748b;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    padding: 0.3rem 0.875rem;
    border-radius: 2rem;
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.result-hero-value {
    margin-bottom: 0.5rem;
}

.result-current-value {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    color: var(--text-primary);
}

.result-hero-subtitle {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.result-hero-change {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 1rem;
    font-weight: 600;
    padding: 0.4rem 0.875rem;
    border-radius: 2rem;
}

.result-hero-change.profit {
    color: var(--profit);
    background: var(--profit-bg);
}

.result-hero-change.loss {
    color: var(--loss);
    background: var(--loss-bg);
}

.result-hero-change i {
    font-size: 1rem;
}

.result-hero-share {
    margin-top: 1rem;
    display: flex;
    justify-content: center;
}

.share-actions {
    position: relative;
}

.share-actions-trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    min-height: 44px;
    padding: 0.7rem 1rem;
    border-radius: 999px;
    border: 1px solid #dbe4ee;
    background: #ffffff;
    color: #334155;
    font-size: 0.92rem;
    font-weight: 600;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.06);
    transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.share-actions-trigger:hover,
.share-actions.open .share-actions-trigger {
    border-color: #99f6e4;
    box-shadow: 0 12px 28px rgba(13, 148, 136, 0.12);
    transform: translateY(-1px);
}

.share-actions-trigger-inner {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.share-actions-trigger-caret {
    font-size: 0.8rem;
    color: #64748b;
    transition: transform 0.15s ease;
}

.share-actions.open .share-actions-trigger-caret {
    transform: rotate(180deg);
}

.share-actions-menu {
    position: absolute;
    top: calc(100% + 0.65rem);
    left: 50%;
    z-index: 30;
    min-width: 220px;
    padding: 0.45rem;
    border-radius: 1rem;
    border: 1px solid #e2e8f0;
    background: rgba(255, 255, 255, 0.97);
    box-shadow: 0 20px 45px rgba(15, 23, 42, 0.14);
    backdrop-filter: blur(10px);
    opacity: 0;
    pointer-events: none;
    transform: translateX(-50%) translateY(-6px) scale(0.98);
    transition: opacity 0.16s ease, transform 0.16s ease;
}

.share-actions.open .share-actions-menu {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0) scale(1);
}

.share-actions-item {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.7rem 0.85rem;
    border: none;
    background: transparent;
    border-radius: 0.8rem;
    color: #334155;
    font-size: 0.9rem;
    font-weight: 600;
    text-align: left;
    text-decoration: none;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.share-actions-item:hover {
    background: #f0fdfa;
    color: #0f766e;
}

.share-actions-item i {
    font-size: 0.95rem;
    color: #0f766e;
}

.share-actions-status {
    position: absolute;
    left: 50%;
    top: calc(100% + 6rem);
    transform: translateX(-50%);
    min-width: max-content;
    font-size: 0.78rem;
    font-weight: 600;
    color: #0f766e;
}

.result-change-pct {
    opacity: 0.8;
    font-weight: 500;
}

/* Summary sentence */
.result-summary {
    background: var(--surface);
    border: none;
    border-radius: var(--radius-card);
    padding: 1.25rem 1.5rem;
    box-shadow: var(--shadow-card);
}

.result-summary p {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.7;
    color: #475569;
}

.result-summary-lead {
    font-size: 1.05rem !important;
    line-height: 1.75 !important;
    color: #1e293b !important;
}

.result-summary-body {
    margin-top: 0.5rem !important;
}

.result-summary-points {
    display: grid;
    gap: 0.55rem;
    margin-top: 0.8rem;
    padding-top: 0.8rem;
    border-top: 1px solid #e2e8f0;
}

.result-summary-points p {
    position: relative;
    padding-left: 1.1rem;
    font-size: 0.92rem;
}

.result-summary-points p::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.72rem;
    width: 0.42rem;
    height: 0.42rem;
    border-radius: 999px;
    background: var(--accent);
    transform: translateY(-50%);
}

.result-summary-note {
    margin-top: 0.65rem !important;
    padding-top: 0.65rem;
    border-top: 1px dashed #e2e8f0;
    font-size: 0.82rem !important;
    line-height: 1.6 !important;
    color: #64748b !important;
}

.result-summary .profit {
    color: var(--profit);
}

.result-summary .loss {
    color: var(--loss);
}

/* Alternative amounts */
.result-alternatives {
    text-align: center;
    padding: 0.25rem 0;
}

.result-alternatives-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.result-alternatives-list {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 0.625rem;
    flex-wrap: wrap;
}

.result-context-groups {
    display: grid;
    gap: 1rem;
}

.result-context-group {
    padding: 0;
}

.result-context-links {
    margin-top: 0.625rem;
}

.result-context-link {
    font-size: 0.85rem;
    font-weight: 500;
    color: #475569;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    padding: 0.4rem 1rem;
    text-decoration: none;
    transition: all 0.15s ease;
}

.result-context-link:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-light);
}

.result-faq {
    background: var(--surface);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    padding: 1.25rem 1.5rem;
}

.result-faq-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 0.75rem;
}

.result-faq-item {
    border-top: 1px solid #e5e7eb;
    padding: 0.7rem 0;
}

.result-faq-item:first-of-type {
    border-top: 0;
    padding-top: 0.1rem;
}

.result-faq-item summary {
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    color: #334155;
    list-style: none;
}

.result-faq-item summary::-webkit-details-marker {
    display: none;
}

.result-faq-item summary::after {
    content: '+';
    float: right;
    color: #94a3b8;
    font-weight: 700;
}

.result-faq-item[open] summary::after {
    content: '−';
}

.result-faq-item p {
    margin: 0.5rem 0 0;
    font-size: 0.88rem;
    line-height: 1.65;
    color: #475569;
}

/* Mobile result page responsive */
@media (max-width: 768px) {
    .result-recalc-form {
        font-size: 0.9rem;
    }

    /* iOS Safari auto-zoom fix: inputs must be >= 16px */
    .recalc-select,
    .recalc-input,
    .asset-picker-compact .asset-picker-trigger {
        font-size: 16px !important;
    }

    .recalc-btn {
        margin-left: 0;
        width: 100%;
        padding: 0.5rem;
        margin-top: 0.25rem;
        min-height: 44px;
    }

    .result-hero {
        padding: 1.25rem 1rem;
    }

    .result-current-value {
        font-size: 2.25rem;
    }

    .share-actions-menu {
        min-width: 210px;
    }

    .result-chart-wrap {
        height: 200px;
    }

    .result-summary {
        padding: 1.1rem 1rem;
    }

    .result-summary-lead {
        font-size: 1rem !important;
    }
}

@media (max-width: 480px) {
    .result-current-value {
        font-size: 2rem;
    }

    .result-hero-change {
        font-size: 0.9rem;
    }

    .share-actions-trigger {
        width: 100%;
    }

    .share-actions-menu {
        width: min(260px, calc(100vw - 2rem));
    }
}

/* Desktop: larger hero, wider layout */
@media (min-width: 769px) {
    .result-page {
        gap: 1.5rem;
    }

    .result-hero {
        padding: 2rem 2rem 1.75rem;
    }

    .result-current-value {
        font-size: 3rem;
    }

    .result-hero-header {
        margin-bottom: 1.5rem;
    }

    .result-hero-change {
        font-size: 1.05rem;
        padding: 0.5rem 1rem;
    }
}

/* =========================================================
   Chart
   ========================================================= */

.result-chart-card {
    background: var(--surface);
    border: none;
    border-radius: var(--radius-card);
    overflow: visible;
    box-shadow: var(--shadow-card);
}

.result-chart-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 1rem 1.25rem 0.5rem;
    flex-wrap: wrap;
}

.result-chart-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    white-space: nowrap;
    padding-top: 0.2rem;
}

.result-chart-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.chart-legend-item {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: #374151;
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 20px;
    padding: 0.2rem 0.6rem;
}

.chart-legend-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.chart-legend-name {
    display: inline-flex;
    align-items: center;
    line-height: 1;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.chart-legend-return {
    display: inline-flex;
    align-items: center;
    line-height: 1;
    font-size: 0.74rem;
    font-weight: 700;
    margin-left: 0.1rem;
}

.chart-legend-return.profit {
    color: #16a34a;
}

.chart-legend-return.loss {
    color: #dc2626;
}

.chart-legend-return.neutral {
    color: #9ca3af;
}

.chart-legend-remove {
    background: none;
    border: none;
    padding: 0;
    margin-left: 0.1rem;
    font-size: 1rem;
    line-height: 1;
    color: #9ca3af;
    cursor: pointer;
    transition: color 0.15s;
}

.chart-legend-remove:hover {
    color: #ef4444;
}

.result-chart-wrap {
    padding: 0.25rem 0.5rem 0.25rem;
    height: 320px;
    position: relative;
}

.result-chart-footer {
    padding: 0.5rem 1.25rem 0.875rem;
    border-top: 1px solid #f3f4f6;
}

.result-chart-notice {
    padding: 0.5rem 1.25rem 0.875rem;
    font-size: 0.75rem;
    color: #6b7280;
    line-height: 1.4;
}

.result-chart-compare {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.result-chart-compare .asset-picker-compact .asset-picker-trigger {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    background: var(--accent-light);
    border-color: var(--accent-border);
    border-radius: var(--radius-pill);
    padding: 0.3rem 0.75rem;
}

.result-chart-compare .asset-picker-compact .asset-picker-trigger:hover {
    background: #ccfbf1;
    border-color: #5eead4;
}

/* Compare picker dropdown opens upward — the chart card clips anything below the footer */
.result-chart-compare .asset-picker-compact .asset-picker-dropdown {
    top: auto;
    bottom: calc(100% + 0.75rem);
    transform: translateX(0) scale(0.95);
}

.result-chart-compare .asset-picker-compact .asset-picker-dropdown.open {
    transform: translateX(0) scale(1);
}

@media (max-width: 576px) {
    .result-chart-legend {
        gap: 0.4rem;
    }

    .chart-legend-item {
        min-height: 2rem;
        gap: 0.3rem;
        padding: 0.25rem 0.45rem;
    }

    .chart-legend-name {
        min-width: 0;
        max-width: none;
    }

    .chart-legend-return {
        margin-left: 0.1rem;
    }

    .result-chart-legend .chart-legend-remove {
        min-width: 1.35rem;
        min-height: 1.35rem;
        width: 1.35rem;
        height: 1.35rem;
        margin-left: 0.15rem;
        border-radius: 999px;
        border: 1px solid #e5e7eb;
        background: #ffffff;
        font-size: 0.85rem;
    }

    .result-chart-wrap {
        height: 200px;
    }

    .result-chart-header {
        flex-direction: column;
        gap: 0.5rem;
    }
}

/* ===== About Page ===== */
.about-page {
    max-width: 1040px;
    margin: 0 auto;
}

.about-hero {
    background: linear-gradient(135deg, #f0fdfa 0%, #ffffff 65%);
    border: 1px solid #ccfbf1;
    border-radius: 1.5rem;
    padding: 2rem;
    box-shadow: var(--shadow-card);
    margin-bottom: 1.5rem;
}

.about-kicker {
    display: inline-flex;
    align-items: center;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
}

.about-title {
    margin: 0.5rem 0 0.9rem;
    font-size: clamp(2rem, 4vw, 3.2rem);
    line-height: 1.08;
    letter-spacing: -0.04em;
    color: #0f172a;
    max-width: 14ch;
}

.about-lead {
    margin: 0;
    max-width: 68ch;
    font-size: 1rem;
    line-height: 1.8;
    color: #475569;
}

.about-source-card,
.about-section {
    background: var(--surface);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
}

.about-section-heading h2,
.about-source-card h3,
.about-method-step h3 {
    margin: 0;
    color: #0f172a;
}

.about-source-card p,
.about-method-step p,
.about-notes-list li {
    margin: 0;
    color: #475569;
    line-height: 1.7;
    font-size: 0.94rem;
}

.about-section {
    padding: 1.5rem;
    margin-bottom: 1.25rem;
}

.about-section-heading {
    margin-bottom: 1rem;
}

.about-section-heading h2 {
    margin-top: 0.35rem;
    font-size: 1.4rem;
    letter-spacing: -0.03em;
}

.about-method-grid {
    display: grid;
    gap: 0.9rem;
}

.about-method-step {
    display: grid;
    grid-template-columns: 2.5rem 1fr;
    gap: 0.9rem;
    align-items: flex-start;
    padding: 1rem;
    background: var(--surface-muted);
    border-radius: 1rem;
}

.about-method-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 999px;
    background: var(--accent-light);
    color: var(--accent);
    font-weight: 800;
}

.about-method-step h3,
.about-source-card h3 {
    font-size: 0.98rem;
    margin-bottom: 0.35rem;
}

.about-sources-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.about-source-card {
    padding: 1.1rem 1.2rem;
    border: 1px solid #e2e8f0;
}

.about-source-card a {
    display: inline-flex;
    margin-top: 0.7rem;
    color: var(--accent);
    font-size: 0.88rem;
    font-weight: 600;
    text-decoration: none;
}

.about-source-card a:hover {
    text-decoration: underline;
}

.about-section-accent {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    border: 1px solid #e2e8f0;
}

.about-notes-list {
    margin: 0;
    padding-left: 1.1rem;
    display: grid;
    gap: 0.55rem;
}

.about-author-card {
    border: 1px solid #e2e8f0;
}

.about-author-name {
    margin: 0;
    font-size: 1.05rem;
    font-weight: 700;
    color: #0f172a;
}

.about-author-role {
    margin: 0.2rem 0 0;
    font-size: 0.92rem;
    color: #475569;
}

.about-author-links {
    margin-top: 0.65rem;
    display: flex;
    gap: 0.9rem;
    flex-wrap: wrap;
}

.about-author-links a {
    color: var(--accent);
    font-size: 0.88rem;
    font-weight: 600;
    text-decoration: none;
}

.about-author-links a:hover {
    text-decoration: underline;
}

/* ===== Guides ===== */
.guide-page,
.guide-index-page {
    max-width: 1100px;
    margin: 0 auto;
}

.guide-hero,
.guide-index-hero {
    background: linear-gradient(135deg, #ecfeff 0%, #ffffff 65%);
    border: 1px solid #bae6fd;
    border-radius: 1.5rem;
    padding: 2rem;
    box-shadow: var(--shadow-card);
    margin-bottom: 1.5rem;
}

.guide-title,
.guide-index-title {
    margin: 0.45rem 0 0.85rem;
    font-size: clamp(2rem, 4vw, 3.1rem);
    line-height: 1.06;
    letter-spacing: -0.04em;
    color: #0f172a;
    max-width: 16ch;
}

.guide-lead,
.guide-index-lead,
.guide-index-card p,
.guide-related-link span,
.result-reading-card span {
    margin: 0;
    color: #475569;
    line-height: 1.75;
}

.guide-meta,
.guide-keywords,
.guide-index-card-footer,
.result-reading-header,
.guide-breadcrumbs,
.guide-index-path,
.guide-featured-header,
.guide-index-section-header {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.guide-meta,
.guide-index-meta,
.guide-index-card-date {
    color: #64748b;
    font-size: 0.88rem;
}

.guide-keywords {
    margin-top: 1rem;
}

.guide-breadcrumbs {
    align-items: center;
    margin-bottom: 1rem;
    color: #64748b;
    font-size: 0.9rem;
}

.guide-breadcrumbs a {
    color: #0f766e;
    text-decoration: none;
}

.guide-breadcrumbs a:hover {
    text-decoration: underline;
}

.guide-keyword,
.result-reading-kicker {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    background: #ecfeff;
    color: #0f766e;
    font-size: 0.78rem;
    font-weight: 700;
    padding: 0.35rem 0.7rem;
}

.guide-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.8fr) minmax(280px, 0.9fr);
    gap: 1.25rem;
    align-items: start;
}

.guide-index-path,
.guide-featured-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.guide-index-path {
    margin: 1.5rem 0 0;
}

.guide-index-path-card,
.guide-featured-card {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid #dbeafe;
    border-radius: 1rem;
    padding: 1rem;
}

.guide-index-path-card strong,
.guide-featured-card h3,
.guide-index-card h3 {
    display: block;
    color: #0f172a;
    margin: 0 0 0.35rem;
}

.guide-index-path-card span,
.guide-featured-card p,
.guide-index-section-header h2 {
    color: #475569;
    line-height: 1.7;
    margin: 0;
}

.guide-featured,
.guide-index-section {
    margin-bottom: 1.5rem;
}

.guide-featured-header,
.guide-index-section-header {
    justify-content: space-between;
    align-items: end;
    margin-bottom: 1rem;
}

.guide-featured-header h2,
.guide-index-section-header h2 {
    margin: 0;
    font-size: 1.25rem;
    line-height: 1.35;
    color: #0f172a;
    letter-spacing: -0.03em;
}

.guide-featured-step,
.guide-index-section-count {
    display: inline-flex;
    color: #64748b;
    font-size: 0.82rem;
    font-weight: 700;
    margin-bottom: 0.55rem;
}

.guide-featured-card a {
    color: var(--accent);
    text-decoration: none;
}

.guide-featured-card a:hover {
    text-decoration: underline;
}

.guide-index-sections {
    display: grid;
    gap: 1.25rem;
}

.guide-article,
.guide-card,
.guide-index-card,
.result-reading {
    background: var(--surface);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
}

.guide-article {
    padding: 1.75rem;
}

.guide-prose {
    color: #1e293b;
}

.guide-prose h2,
.guide-prose h3,
.guide-card-title,
.guide-faq-title,
.result-reading-header h2 {
    color: #0f172a;
    letter-spacing: -0.03em;
}

.guide-prose h2 {
    margin: 2rem 0 0.8rem;
    font-size: 1.4rem;
    scroll-margin-top: 6.5rem;
}

.guide-prose h3 {
    margin: 1.4rem 0 0.7rem;
    font-size: 1.05rem;
    scroll-margin-top: 6.5rem;
}

.guide-prose p,
.guide-prose li,
.guide-faq-item p {
    color: #475569;
    line-height: 1.85;
    font-size: 0.98rem;
}

.guide-prose ul,
.guide-prose ol {
    padding-left: 1.2rem;
    margin-bottom: 1rem;
}

.guide-prose a,
.guide-index-card a,
.guide-side-link,
.guide-related-link,
.result-reading-card {
    color: var(--accent);
    text-decoration: none;
}

.guide-prose a:hover,
.guide-index-card a:hover,
.guide-side-link:hover,
.guide-related-link:hover,
.result-reading-card:hover {
    text-decoration: underline;
}

.guide-sidebar {
    display: grid;
    gap: 1rem;
}

.guide-card {
    padding: 1.2rem;
    border: 1px solid #e2e8f0;
}

.guide-card-title {
    margin: 0 0 0.85rem;
    font-size: 1rem;
}

.guide-link-list {
    display: grid;
    gap: 0.7rem;
}

.guide-link-list-toc {
    gap: 0.35rem;
    padding-left: 1.1rem;
    margin: 0;
}

.guide-side-link,
.guide-related-link {
    display: block;
    padding: 0.9rem 1rem;
    border-radius: 1rem;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
}

.guide-toc-item {
    color: #94a3b8;
}

.guide-toc-item-subtle {
    margin-left: 0.9rem;
}

.guide-link-list-toc .guide-side-link {
    display: inline;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: #475569;
}

.guide-link-list-toc .guide-side-link:hover {
    color: var(--accent);
    text-decoration: underline;
}

.guide-related-link strong,
.result-reading-card strong {
    display: block;
    color: #0f172a;
    margin-bottom: 0.25rem;
}

.guide-faq {
    margin-top: 1.5rem;
}

.guide-faq-title {
    margin: 0 0 0.85rem;
    font-size: 1.35rem;
}

.guide-faq-item {
    background: var(--surface);
    border-radius: 1rem;
    box-shadow: var(--shadow-card);
    margin-bottom: 0.75rem;
    padding: 0.15rem 1rem;
}

.guide-faq-item summary {
    cursor: pointer;
    list-style: none;
    font-weight: 700;
    color: #0f172a;
    padding: 0.9rem 0;
}

.guide-faq-item summary::-webkit-details-marker {
    display: none;
}

.guide-faq-item p {
    margin: 0 0 1rem;
}

.guide-index-grid,
.result-reading-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.guide-index-card {
    padding: 1.25rem;
    border: 1px solid #e2e8f0;
}

.guide-index-card h2 {
    margin: 0.55rem 0 0.65rem;
    font-size: 1.15rem;
    line-height: 1.3;
}

.guide-index-card h3 {
    margin: 0.55rem 0 0.65rem;
    font-size: 1.15rem;
    line-height: 1.3;
}

.guide-index-card-footer {
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
    font-size: 0.88rem;
}

.result-reading {
    margin-top: 1.25rem;
    padding: 1.25rem;
}

.result-reading-header {
    align-items: end;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.result-reading-header h2 {
    margin: 0;
    font-size: 1.25rem;
}

.result-reading-card {
    display: block;
    padding: 1rem;
    border-radius: 1rem;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
}

/* ===== Footer ===== */
.site-footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 2.5rem 0 0;
    margin-top: 3rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2.5rem;
    padding-bottom: 2rem;
}

.footer-brand-name {
    font-weight: 700;
    font-size: 1.1rem;
    color: #f1f5f9;
    letter-spacing: -0.02em;
}

.footer-brand-desc {
    font-size: 0.85rem;
    line-height: 1.6;
    color: #64748b;
    margin: 0;
    max-width: 280px;
}

.footer-creator {
    margin-top: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    font-size: 0.8rem;
    color: #64748b;
}

.footer-creator > * {
    display: block;
    padding: 0.250rem 0;
}

.footer-creator strong {
    color: #cbd5e1;
    font-weight: 600;
}

.footer-creator a {
    color: #94a3b8;
    text-decoration: none;
}

.footer-creator a:hover {
    color: #f1f5f9;
}

.footer-heading {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #cbd5e1;
    margin-bottom: 0.875rem;
}

.footer-links ul,
.footer-sources ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.15s ease;
}

.footer-links a:hover {
    color: #f1f5f9;
}

.footer-sources li {
    margin-bottom: 0.625rem;
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.footer-sources a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: color 0.15s ease;
}

.footer-sources a:hover {
    color: #f1f5f9;
}

.footer-source-note {
    font-size: 0.75rem;
    color: #475569;
}

.footer-bottom {
    border-top: 1px solid #1e293b;
    padding: 1.25rem 0;
    text-align: center;
}

.footer-bottom small {
    font-size: 0.78rem;
    color: #475569;
}

@media (max-width: 768px) {
    .about-hero {
        padding: 1rem;
    }

    .about-sources-list {
        grid-template-columns: 1fr;
    }

    .about-section {
        padding: 1rem;
    }

    .about-method-step {
        grid-template-columns: 1fr;
        padding: 0.85rem;
    }

    .about-method-number {
        display: none;
    }

    .about-source-card {
        padding: 0.9rem 1rem;
    }

    .guide-hero,
    .guide-index-hero,
    .guide-article,
    .guide-card,
    .result-reading {
        padding: 1rem;
    }

    .guide-layout,
    .guide-index-grid,
    .guide-index-path,
    .guide-featured-grid,
    .result-reading-grid {
        grid-template-columns: 1fr;
    }

    .guide-featured-header,
    .guide-index-section-header {
        align-items: start;
    }

    .guide-title,
    .guide-index-title {
        max-width: none;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 1.4rem;
        padding-bottom: 1.25rem;
        text-align: center;
    }

    .footer-links,
    .footer-sources {
        justify-self: stretch;
    }

    .footer-brand-desc {
        color: #94a3b8;
        max-width: none;
        margin: 0 auto;
    }

    .footer-brand .d-flex {
        justify-content: center;
    }

    .footer-links li {
        margin-bottom: 0.4rem;
    }

    .footer-creator {
        color: #94a3b8;
        margin-top: 0.6rem;
        gap: 0.15rem;
        align-items: center;
    }

    .footer-source-note,
    .footer-bottom small {
        color: #64748b;
    }

    .footer-bottom {
        padding: 0.85rem 0 1rem;
    }

    .footer-sources li {
        align-items: center;
    }
}

/* ===== Admin Panel ===== */
.admin-page {
    max-width: 960px;
    margin: 0 auto;
}

.admin-log {
    max-height: 400px;
    overflow-y: auto;
}

.admin-log-entry {
    padding: 0.625rem 0;
    border-bottom: 1px solid #f1f5f9;
}

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

.admin-log-message {
    margin-left: 1.75rem;
    word-break: break-word;
}

.admin-action-btn {
    font-weight: 500;
    padding: 0.5rem 1rem;
}

.admin-action-btn:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}