/* ============================================================
   PROMETHEE Notebook Comparator — Design System
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ── Tokens ── */
:root {
    /* Light palette */
    --bg-primary: #f0f2f5;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f8f9fb;
    --bg-card: #ffffff;
    --bg-hover: #f4f0ff;
    --text-primary: #1a1d23;
    --text-secondary: #5a5f6d;
    --text-muted: #8b90a0;
    --border: #e2e5eb;
    --border-subtle: #eef0f4;
    --accent: #6c5ce7;
    --accent-soft: #a29bfe;
    --accent-bg: rgba(108, 92, 231, 0.08);
    --accent-bg-hover: rgba(108, 92, 231, 0.15);
    --success: #00b894;
    --warning: #fdcb6e;
    --danger: #e17055;
    --gold: #f9ca24;
    --silver: #bdc3c7;
    --bronze: #e67e22;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --shadow-glow: 0 0 20px rgba(108, 92, 231, 0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --transition: 0.2s ease;
}

[data-theme="dark"] {
    --bg-primary: #0f1117;
    --bg-secondary: #1a1d27;
    --bg-tertiary: #22253a;
    --bg-card: #1e2133;
    --bg-hover: #2a2d45;
    --text-primary: #e8e9ed;
    --text-secondary: #a0a4b8;
    --text-muted: #6b7094;
    --border: #2d3150;
    --border-subtle: #252840;
    --accent: #8b7cf7;
    --accent-soft: #a29bfe;
    --accent-bg: rgba(139, 124, 247, 0.1);
    --accent-bg-hover: rgba(139, 124, 247, 0.2);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 25px rgba(139, 124, 247, 0.2);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    transition: background var(--transition), color var(--transition);
}

/* ── Layout ── */
.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px 60px;
}

/* ── Header ── */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
    margin-bottom: 8px;
    border-bottom: 1px solid var(--border-subtle);
}

.app-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.app-logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent), var(--accent-soft));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #fff;
    box-shadow: var(--shadow-glow);
}

.app-logo h1 {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.app-logo h1 span {
    color: var(--accent);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ── Theme Toggle ── */
.theme-toggle {
    width: 44px;
    height: 44px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: all var(--transition);
}

.theme-toggle:hover {
    background: var(--accent-bg);
    border-color: var(--accent);
    color: var(--accent);
}

/* ── Section Titles ── */
.section-title {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 12px;
    padding-left: 2px;
}

/* ── Presets ── */
.presets-section {
    margin-bottom: 24px;
}

.presets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: 10px;
}

.preset-card {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
}

.preset-card:hover {
    border-color: var(--accent-soft);
    background: var(--bg-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.preset-card.active {
    border-color: var(--accent);
    background: var(--accent-bg);
    box-shadow: var(--shadow-glow);
}

.preset-card .preset-icon {
    font-size: 1.8rem;
    display: block;
    margin-bottom: 6px;
}

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

.preset-card .preset-desc {
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-top: 4px;
    line-height: 1.4;
}

/* ── Criteria Panel ── */
.criteria-section {
    margin-bottom: 28px;
}

.criteria-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 12px;
}

.criterion-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px 18px;
    transition: all var(--transition);
}

.criterion-card:hover {
    border-color: var(--accent-soft);
    box-shadow: var(--shadow-sm);
}

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

.criterion-label {
    display: flex;
    align-items: center;
    gap: 8px;
}

.criterion-icon {
    font-size: 1.1rem;
}

.criterion-name {
    font-weight: 600;
    font-size: 0.9rem;
}

.criterion-weight-badge {
    background: var(--accent-bg);
    color: var(--accent);
    font-weight: 700;
    font-size: 0.8rem;
    padding: 2px 10px;
    border-radius: 20px;
    min-width: 32px;
    text-align: center;
}

.criterion-slider-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.criterion-slider-row label {
    font-size: 0.75rem;
    color: var(--text-muted);
    min-width: 32px;
}

/* ── Custom Slider ── */
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    flex: 1;
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    outline: none;
    transition: background var(--transition);
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    border: 3px solid var(--bg-card);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: var(--shadow-glow);
}

input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    border: 3px solid var(--bg-card);
}

/* ── Advanced toggle ── */
.criterion-advanced-toggle {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.72rem;
    cursor: pointer;
    margin-top: 8px;
    padding: 2px 0;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: color var(--transition);
}

.criterion-advanced-toggle:hover {
    color: var(--accent);
}

.criterion-advanced {
    display: none;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border-subtle);
}

.criterion-advanced.open {
    display: block;
    animation: fadeIn 0.2s ease;
}

.threshold-row {
    display: flex;
    gap: 16px;
    margin-top: 6px;
}

.threshold-field {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
}

.threshold-field label {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 500;
}

.threshold-field input {
    width: 80px;
    padding: 4px 8px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 0.8rem;
    font-family: 'Inter', sans-serif;
    outline: none;
    transition: border var(--transition);
}

.threshold-field input:focus {
    border-color: var(--accent);
}

/* ── OS Selector ── */
.os-selector {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

.os-btn {
    flex: 1;
    padding: 8px 12px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
    font-family: 'Inter', sans-serif;
}

.os-btn:hover {
    border-color: var(--accent-soft);
    background: var(--bg-hover);
}

.os-btn.active {
    border-color: var(--accent);
    background: var(--accent-bg);
    color: var(--accent);
    font-weight: 600;
}

/* ── Brand preferences ── */
.brand-prefs {
    margin-top: 8px;
}

.brand-pref-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}

.brand-pref-row .brand-name {
    font-size: 0.8rem;
    color: var(--text-secondary);
    min-width: 70px;
}

.brand-pref-row input[type="range"] {
    flex: 1;
    height: 4px;
}

.brand-pref-val {
    font-size: 0.72rem;
    color: var(--text-muted);
    min-width: 20px;
    text-align: right;
}

/* ── Results ── */
.results-section {
    margin-top: 12px;
}

.results-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.results-count {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.results-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* ── Result Card ── */
.result-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    transition: all var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.result-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--border);
    transition: background var(--transition);
}

.result-card.rank-1::before { background: var(--gold); }
.result-card.rank-2::before { background: var(--silver); }
.result-card.rank-3::before { background: var(--bronze); }

.result-card:hover {
    border-color: var(--accent-soft);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.result-card.rank-1 {
    border-color: rgba(249, 202, 36, 0.3);
    box-shadow: 0 0 20px rgba(249, 202, 36, 0.08);
}

.result-main {
    display: flex;
    align-items: center;
    gap: 16px;
}

.result-rank {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-muted);
    min-width: 36px;
    text-align: center;
}

.rank-1 .result-rank { color: var(--gold); }
.rank-2 .result-rank { color: var(--silver); }
.rank-3 .result-rank { color: var(--bronze); }

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

.result-name {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.result-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tag {
    font-size: 0.68rem;
    font-weight: 500;
    padding: 2px 8px;
    border-radius: 20px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-subtle);
    white-space: nowrap;
}

.tag.tag-os-win { background: #dfe6fd; color: #3b5bdb; border-color: #bac8ff; }
.tag.tag-os-linux { background: #d3f9d8; color: #2b8a3e; border-color: #b2f2bb; }

[data-theme="dark"] .tag.tag-os-win { background: rgba(59,91,219,0.15); color: #748ffc; border-color: rgba(59,91,219,0.3); }
[data-theme="dark"] .tag.tag-os-linux { background: rgba(43,138,62,0.15); color: #69db7c; border-color: rgba(43,138,62,0.3); }

.tag.tag-upgrade {
    background: rgba(0, 184, 148, 0.08);
    color: var(--success);
    border-color: rgba(0, 184, 148, 0.2);
}

/* ── Phi bar ── */
.result-phi {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    min-width: 140px;
}

.phi-value {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--accent);
    margin-bottom: 4px;
}

.phi-bar-track {
    width: 120px;
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
    position: relative;
}

.phi-bar-fill {
    height: 100%;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-soft));
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.phi-details {
    display: flex;
    gap: 10px;
    margin-top: 4px;
}

.phi-detail {
    font-size: 0.65rem;
    color: var(--text-muted);
}

.phi-detail .positive { color: var(--success); }
.phi-detail .negative { color: var(--danger); }

/* ── Expanded details ── */
.result-details {
    display: none;
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--border-subtle);
    animation: fadeIn 0.3s ease;
}

.result-card.expanded .result-details {
    display: block;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 10px;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.detail-label {
    font-size: 0.68rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 500;
}

.detail-value {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* ── Radar Chart ── */
.radar-container {
    margin-top: 16px;
    display: flex;
    justify-content: center;
}

.radar-container svg {
    max-width: 300px;
}

/* ── Upgrade Indicators ── */
.upgrade-indicators {
    display: flex;
    gap: 16px;
    margin-top: 10px;
}

.upgrade-ind {
    display: flex;
    align-items: center;
    gap: 6px;
}

.upgrade-slots {
    display: flex;
    gap: 3px;
}

.slot-indicator {
    width: 14px;
    height: 18px;
    border-radius: 3px;
    border: 1.5px solid var(--border);
    font-size: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slot-indicator.occupied { background: var(--accent-bg); border-color: var(--accent); color: var(--accent); }
.slot-indicator.empty { background: transparent; border-style: dashed; }
.slot-indicator.soldered { background: var(--text-muted); border-color: var(--text-muted); color: var(--bg-card); }
.slot-indicator.none { opacity: 0.2; }

.upgrade-label {
    font-size: 0.7rem;
    color: var(--text-muted);
}

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

.result-card {
    animation: fadeIn 0.3s ease backwards;
}

.result-card:nth-child(1)  { animation-delay: 0s; }
.result-card:nth-child(2)  { animation-delay: 0.04s; }
.result-card:nth-child(3)  { animation-delay: 0.08s; }
.result-card:nth-child(4)  { animation-delay: 0.12s; }
.result-card:nth-child(5)  { animation-delay: 0.16s; }
.result-card:nth-child(6)  { animation-delay: 0.20s; }
.result-card:nth-child(7)  { animation-delay: 0.24s; }
.result-card:nth-child(8)  { animation-delay: 0.28s; }
.result-card:nth-child(9)  { animation-delay: 0.32s; }
.result-card:nth-child(10) { animation-delay: 0.36s; }

/* ── Footer ── */
.app-footer {
    text-align: center;
    padding: 24px 0;
    font-size: 0.72rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-subtle);
    margin-top: 40px;
}

/* ── Price Filter ── */
.price-filter-section {
    margin-bottom: 24px;
}

.price-filter-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 18px 20px 22px;
}

.price-filter-values {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    margin-bottom: 20px;
}

.price-input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.price-input-group label {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
}

.price-input-wrap {
    display: flex;
    align-items: center;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
    overflow: hidden;
    transition: border var(--transition);
}

.price-input-wrap:focus-within {
    border-color: var(--accent);
}

.price-currency {
    padding: 7px 8px 7px 12px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    pointer-events: none;
    user-select: none;
}

.price-input-wrap input[type="number"] {
    width: 90px;
    padding: 7px 10px 7px 0;
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    outline: none;
    -moz-appearance: textfield;
}

.price-input-wrap input[type="number"]::-webkit-outer-spin-button,
.price-input-wrap input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
}

.price-range-sep {
    font-size: 1rem;
    color: var(--text-muted);
    padding-bottom: 8px;
}

.price-filter-count {
    margin-left: auto;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--accent);
    background: var(--accent-bg);
    padding: 5px 12px;
    border-radius: 20px;
    white-space: nowrap;
    align-self: flex-end;
}

/* ── Dual Range Slider ── */
.dual-range-track {
    position: relative;
    height: 6px;
    margin: 0 8px;
}

.dual-range-fill {
    position: absolute;
    top: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--accent), var(--accent-soft));
    border-radius: 3px;
    pointer-events: none;
    z-index: 1;
}

.dual-range {
    position: absolute;
    top: 50%;
    left: -8px;
    right: -8px;
    width: calc(100% + 16px);
    transform: translateY(-50%);
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
    height: 6px;
    pointer-events: none;
}

.dual-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    border: 3px solid var(--bg-card);
    box-shadow: var(--shadow-sm);
    pointer-events: all;
    transition: transform var(--transition), box-shadow var(--transition);
    position: relative;
    z-index: 2;
}

.dual-range::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: var(--shadow-glow);
}

.dual-range::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    border: 3px solid var(--bg-card);
    pointer-events: all;
}

.dual-range-track::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--border);
    border-radius: 3px;
}

/* ── Method Selector ── */
.method-selector {
    display: flex;
    align-items: center;
    position: relative;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 3px;
    gap: 0;
}

.method-btn {
    position: relative;
    z-index: 1;
    padding: 6px 18px;
    border: none;
    border-radius: 20px;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.78rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: color var(--transition);
    white-space: nowrap;
}

.method-btn:hover {
    color: var(--text-primary);
}

.method-btn.active {
    color: #fff;
}

.method-slider {
    position: absolute;
    top: 3px;
    bottom: 3px;
    left: 3px;
    background: linear-gradient(135deg, var(--accent), var(--accent-soft));
    border-radius: 20px;
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1), width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
}

/* ── Compare Mode ── */
.compare-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.compare-column {
    min-width: 0;
}

.compare-column-title {
    font-size: 0.85rem;
    font-weight: 700;
    text-align: center;
    padding: 10px 0;
    margin-bottom: 10px;
    border-bottom: 2px solid var(--border);
    color: var(--text-primary);
    letter-spacing: 0.04em;
}

.compare-column-title .method-label {
    color: var(--accent);
}

.compare-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 12px 14px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
    overflow: hidden;
    transition: all var(--transition);
    animation: fadeIn 0.3s ease backwards;
}

.compare-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--border);
}

.compare-card.rank-1::before { background: var(--gold); }
.compare-card.rank-2::before { background: var(--silver); }
.compare-card.rank-3::before { background: var(--bronze); }

.compare-rank {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-muted);
    min-width: 28px;
    text-align: center;
}

.compare-card.rank-1 .compare-rank { color: var(--gold); }
.compare-card.rank-2 .compare-rank { color: var(--silver); }
.compare-card.rank-3 .compare-rank { color: var(--bronze); }

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

.compare-name {
    font-weight: 600;
    font-size: 0.82rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.compare-score {
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.compare-score strong {
    color: var(--accent);
    font-weight: 700;
}

.compare-card .rank-diff {
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 10px;
    white-space: nowrap;
}

.rank-diff.same {
    background: rgba(0,184,148,0.1);
    color: var(--success);
}

.rank-diff.up {
    background: rgba(0,184,148,0.1);
    color: var(--success);
}

.rank-diff.down {
    background: rgba(225,112,85,0.1);
    color: var(--danger);
}

.results-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 8px;
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .app-container { padding: 0 16px 40px; }
    .criteria-grid { grid-template-columns: 1fr; }
    .presets-grid { grid-template-columns: repeat(3, 1fr); }
    .result-main { flex-wrap: wrap; }
    .result-phi { align-items: flex-start; min-width: 100%; margin-top: 8px; }
    .detail-grid { grid-template-columns: 1fr 1fr; }
    .compare-grid { grid-template-columns: 1fr; }
    .method-selector { order: -1; width: 100%; justify-content: center; }
}

@media (max-width: 480px) {
    .presets-grid { grid-template-columns: repeat(2, 1fr); }
    .threshold-row { flex-direction: column; gap: 8px; }
    .os-selector { flex-direction: column; }
}

/* ══════════════════════════════════════════════
   Painel de Pontuações no Radar (.rcp-*)
══════════════════════════════════════════════ */
.radar-container {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.radar-criterion-panel {
    display: flex;
    flex-direction: column;
    gap: 9px;
    flex: 1;
    min-width: 200px;
}

.rcp-row {
    display: flex;
    align-items: center;
    gap: 7px;
}

.rcp-icon {
    font-size: 0.85rem;
    width: 18px;
    text-align: center;
    flex-shrink: 0;
}

.rcp-label {
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--text-secondary);
    min-width: 48px;
    flex-shrink: 0;
}

.rcp-bar-track {
    flex: 1;
    height: 5px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
}

.rcp-bar-fill {
    height: 100%;
    background: var(--cc, var(--accent));
    border-radius: 3px;
    transition: width 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.rcp-raw {
    font-size: 0.68rem;
    color: var(--text-muted);
    min-width: 62px;
    text-align: right;
    font-variant-numeric: tabular-nums;
    flex-shrink: 0;
}

@media (max-width: 640px) {
    .radar-container {
        flex-direction: column;
        align-items: stretch;
    }
    .radar-container svg {
        align-self: center;
    }
}

/* ══════════════════════════════════════════════
   Seção Fluxo por Critério (.cf-*)
══════════════════════════════════════════════ */
.criterion-flow-section {
    margin-top: 28px;
}

/* Botão de toggle da seção */
.cf-toggle-btn {
    background: none;
    border: none;
    font-family: 'Inter', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--accent);
    cursor: pointer;
    padding: 4px 2px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: opacity var(--transition);
}

.cf-toggle-btn:hover {
    opacity: 0.75;
}

/* Wrapper colapsável */
.cf-wrapper {
    display: none;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.cf-wrapper.cf-open {
    display: block;
    animation: fadeIn 0.25s ease;
}

/* Toolbar Top N */
.cf-toolbar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-subtle);
    flex-wrap: wrap;
}

.cf-toolbar-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-right: 4px;
}

.cf-topn-btn {
    padding: 4px 12px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-size: 0.72rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: all var(--transition);
}

.cf-topn-btn:hover {
    border-color: var(--accent-soft);
    color: var(--accent);
}

.cf-topn-btn.active {
    background: var(--accent-bg);
    border-color: var(--accent);
    color: var(--accent);
}

.cf-note {
    margin-left: auto;
    font-size: 0.7rem;
    color: var(--text-muted);
    font-style: italic;
}

/* Área scrollável horizontal */
.cf-scroll {
    overflow-x: auto;
    overflow-y: visible;
    -webkit-overflow-scrolling: touch;
}

/* Grid principal — colunas definidas via JS */
.cf-body {
    display: grid;
    min-width: max-content;
    width: 100%;
}

/* Cabeçalho de critérios (sticky top) */
.cf-corner,
.cf-header-cell {
    position: sticky;
    top: 0;
    background: var(--bg-tertiary);
    z-index: 3;
    padding: 10px 14px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
}

.cf-corner {
    left: 0;
    z-index: 4; /* acima do header e do name-cell */
    color: var(--text-muted);
}

.cf-header-cell {
    color: var(--cc, var(--accent));
    text-align: center;
    min-width: 110px;
}

/* Célula de nome do notebook (sticky left) */
.cf-name-cell {
    position: sticky;
    left: 0;
    z-index: 2;
    background: var(--bg-card);
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-subtle);
    border-right: 1px solid var(--border-subtle);
    min-width: 220px;
    transition: background var(--transition);
}

.cf-name-cell:hover {
    background: var(--bg-hover);
}

/* Destaques de rank na célula de nome */
.cf-name-cell.rank-1 { border-left: 3px solid var(--gold); }
.cf-name-cell.rank-2 { border-left: 3px solid var(--silver); }
.cf-name-cell.rank-3 { border-left: 3px solid var(--bronze); }

.cf-rank {
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--text-muted);
    min-width: 28px;
    flex-shrink: 0;
}

.cf-name-cell.rank-1 .cf-rank { color: var(--gold); }
.cf-name-cell.rank-2 .cf-rank { color: var(--silver); }
.cf-name-cell.rank-3 .cf-rank { color: var(--bronze); }

.cf-name-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.cf-nb-name {
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-primary);
}

.cf-nb-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.cf-phi {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent);
    flex-shrink: 0;
    font-variant-numeric: tabular-nums;
}

/* Célula de barra por critério */
.cf-bar-cell {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-subtle);
    min-width: 110px;
    background: var(--bg-card);
}

/* Linhas pares levemente diferentes */
.cf-body > div:nth-child(even) .cf-bar-cell,
.cf-body > div:nth-child(even) .cf-name-cell {
    background: var(--bg-tertiary);
}

.cf-bar-track {
    width: 100%;
    height: 7px;
    background: var(--border);
    border-radius: 4px;
    overflow: hidden;
    cursor: help;
}

.cf-bar-fill {
    height: 100%;
    background: var(--cc, var(--accent));
    border-radius: 4px;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0.85;
}

.cf-bar-fill:hover {
    opacity: 1;
}

.cf-bar-val {
    font-size: 0.62rem;
    color: var(--text-muted);
    text-align: center;
    font-variant-numeric: tabular-nums;
}