/* ─── Le-Behavior DISC Assessment ─── */
/* Modern, clean design with DISC color accents */

:root {
    --color-d: #E74C3C;    /* Dominance - Red */
    --color-i: #3498DB;    /* Influence - Blue */
    --color-s: #2ECC71;    /* Stability - Green */
    --color-c: #F1C40F;    /* Conformity - Yellow */
    --color-d-light: #FADBD8;
    --color-i-light: #D6EAF8;
    --color-s-light: #D5F5E3;
    --color-c-light: #FEF9E7;
    --color-d-dark: #C0392B;
    --color-i-dark: #2980B9;
    --color-s-dark: #27AE60;
    --color-c-dark: #D4AC0D;
    
    --bg: #FAFAFA;
    --bg-card: #FFFFFF;
    --text: #2C3E50;
    --text-light: #7F8C8D;
    --text-muted: #BDC3C7;
    --border: #ECF0F1;
    --shadow: 0 2px 20px rgba(0,0,0,0.08);
    --shadow-hover: 0 4px 30px rgba(0,0,0,0.12);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s ease;
    
    --max-width: 800px;
}

/* ─── Dark Theme (style.css overrides) ─── */
[data-theme="dark"] {
    --color-d-light: rgba(231, 76, 60, 0.2);
    --color-i-light: rgba(52, 152, 219, 0.2);
    --color-s-light: rgba(46, 204, 113, 0.2);
    --color-c-light: rgba(241, 196, 15, 0.2);
    --bg: #0f172a;
    --bg-card: #1e293b;
    --text: #e2e8f0;
    --text-light: #94a3b8;
    --text-muted: #64748b;
    --border: #334155;
    --shadow: 0 2px 20px rgba(0,0,0,0.3);
    --shadow-hover: 0 4px 30px rgba(0,0,0,0.4);
}

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

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

/* ─── Layout ─── */

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 20px;
}

.screen {
    display: none;
    animation: fadeIn 0.4s ease;
}

.screen.active {
    display: block;
}

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

@keyframes slideIn {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

/* ─── Card ─── */

.card {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 32px;
    margin-bottom: 24px;
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-hover);
}

/* ─── Header / Nav ─── */

.header {
    text-align: center;
    padding: 40px 0 20px;
}

.header h1 {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-d), var(--color-i), var(--color-s), var(--color-c));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.header .subtitle {
    color: var(--text-light);
    font-size: 1rem;
}

.logo-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 16px;
}

.logo-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.logo-dot.d { background: var(--color-d); }
.logo-dot.i { background: var(--color-i); }
.logo-dot.s { background: var(--color-s); }
.logo-dot.c { background: var(--color-c); }

/* ─── Language Selector ─── */

.lang-selector {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 24px;
}

.lang-btn {
    padding: 6px 16px;
    border: 2px solid var(--border);
    border-radius: 20px;
    background: transparent;
    cursor: pointer;
    font-size: 0.9rem;
    transition: var(--transition);
    color: var(--text-light);
}

.lang-btn.active {
    border-color: var(--color-i);
    color: var(--color-i);
    background: var(--color-i-light);
}

.lang-btn:hover {
    border-color: var(--color-i);
}

/* ─── Welcome Screen ─── */

.welcome-disc {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 24px 0;
}

.disc-card {
    padding: 20px;
    border-radius: var(--radius-sm);
    border-left: 4px solid;
    background: var(--bg-card);
    box-shadow: 0 1px 8px rgba(0,0,0,0.04);
}

.disc-card.d { border-color: var(--color-d); background: var(--color-d-light); }
.disc-card.i { border-color: var(--color-i); background: var(--color-i-light); }
.disc-card.s { border-color: var(--color-s); background: var(--color-s-light); }
.disc-card.c { border-color: var(--color-c); background: var(--color-c-light); }

.disc-card h3 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.disc-card p {
    font-size: 0.85rem;
    color: var(--text-light);
}

/* ─── Buttons ─── */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-i), var(--color-i-dark));
    color: white;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.4);
}

.btn-secondary {
    background: var(--border);
    color: var(--text);
}

.btn-secondary:hover {
    background: #dde1e3;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--border);
    color: var(--text);
}

.btn-outline:hover {
    border-color: var(--color-i);
    color: var(--color-i);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.btn-group {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 24px;
}

/* ─── Test Type Selection ─── */

.test-type-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 24px 0;
}

.test-type-card {
    padding: 28px;
    border-radius: var(--radius);
    border: 2px solid var(--border);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    background: var(--bg-card);
}

.test-type-card:hover {
    border-color: var(--color-i);
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.test-type-card.selected {
    border-color: var(--color-i);
    background: var(--color-i-light);
}

.test-type-card .icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.test-type-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.test-type-card p {
    font-size: 0.85rem;
    color: var(--text-light);
}

/* ─── Progress Bar ─── */

.progress-container {
    margin-bottom: 24px;
}

.progress-bar {
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-d), var(--color-i), var(--color-s), var(--color-c));
    border-radius: 3px;
    transition: width 0.5s ease;
}

.progress-text {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-light);
}

/* ─── Assessment Block ─── */

.block-header {
    text-align: center;
    margin-bottom: 24px;
}

.block-header h2 {
    font-size: 1.3rem;
    margin-bottom: 4px;
}

.block-header p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.word-sliders {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.word-row {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    border-radius: var(--radius-sm);
    background: var(--bg);
    transition: var(--transition);
    animation: slideIn 0.3s ease;
}

.word-row:nth-child(1) { animation-delay: 0.05s; }
.word-row:nth-child(2) { animation-delay: 0.1s; }
.word-row:nth-child(3) { animation-delay: 0.15s; }
.word-row:nth-child(4) { animation-delay: 0.2s; }

.word-label {
    flex: 0 0 140px;
    font-weight: 600;
    font-size: 1rem;
}

.slider-container {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 12px;
}

.slider-container input[type="range"] {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 8px;
    border-radius: 4px;
    background: var(--border);
    outline: none;
    transition: var(--transition);
}

.slider-container input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-i);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(52, 152, 219, 0.3);
    transition: var(--transition);
}

.slider-container input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 3px 12px rgba(52, 152, 219, 0.4);
}

.slider-container input[type="range"]::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-i);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 8px rgba(52, 152, 219, 0.3);
}

.value-display {
    flex: 0 0 48px;
    text-align: center;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-i);
    background: var(--color-i-light);
    border-radius: var(--radius-sm);
    padding: 6px 0;
    min-width: 48px;
}

/* Sum indicator */
.sum-indicator {
    text-align: center;
    margin-top: 16px;
    padding: 12px;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
}

.sum-indicator.valid {
    background: var(--color-s-light);
    color: var(--color-s-dark);
}

.sum-indicator.invalid {
    background: var(--color-d-light);
    color: var(--color-d);
}

/* Quick adjust buttons */
.quick-adjust {
    display: flex;
    gap: 4px;
}

.quick-btn {
    width: 28px;
    height: 28px;
    border: 1px solid var(--border);
    border-radius: 50%;
    background: white;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    color: var(--text);
}

.quick-btn:hover {
    background: var(--color-i-light);
    border-color: var(--color-i);
}

.quick-btn:active {
    transform: scale(0.9);
}

/* ─── Results ─── */

.results-header {
    text-align: center;
    margin-bottom: 32px;
}

.results-header h2 {
    font-size: 1.8rem;
    margin-bottom: 8px;
}

.profile-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 30px;
    font-size: 1.3rem;
    font-weight: 700;
    margin: 16px 0;
}

.profile-badge.d-primary { background: var(--color-d-light); color: var(--color-d); }
.profile-badge.i-primary { background: var(--color-i-light); color: var(--color-i); }
.profile-badge.s-primary { background: var(--color-s-light); color: var(--color-s); }
.profile-badge.c-primary { background: var(--color-c-light); color: var(--color-c); }

.scores-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 24px 0;
}

.score-bar-card {
    padding: 16px;
    border-radius: var(--radius-sm);
    background: var(--bg);
}

.score-bar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.score-bar-label {
    font-weight: 600;
    font-size: 0.9rem;
}

.score-bar-value {
    font-weight: 700;
    font-size: 1.1rem;
}

.score-bar {
    height: 12px;
    background: var(--border);
    border-radius: 6px;
    overflow: hidden;
}

.score-bar-fill {
    height: 100%;
    border-radius: 6px;
    transition: width 1s ease;
}

.score-bar-fill.d { background: var(--color-d); }
.score-bar-fill.i { background: var(--color-i); }
.score-bar-fill.s { background: var(--color-s); }
.score-bar-fill.c { background: var(--color-c); }

/* Radar chart */
.chart-container {
    display: flex;
    justify-content: center;
    margin: 24px 0;
}

.chart-container canvas {
    max-width: 400px;
    max-height: 400px;
}

/* Profile description */
.profile-detail {
    margin-top: 24px;
}

.profile-detail h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--border);
}

.profile-detail p {
    color: var(--text);
    margin-bottom: 16px;
    line-height: 1.7;
}

.traits-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 16px;
}

.traits-list h4 {
    font-size: 0.9rem;
    margin-bottom: 8px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.traits-list ul {
    list-style: none;
    padding: 0;
}

.traits-list li {
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
    font-size: 0.9rem;
}

.traits-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.traits-list.strengths li::before { background: var(--color-s); }
.traits-list.challenges li::before { background: var(--color-c); }

/* ─── Responsive ─── */

@media (max-width: 640px) {
    .container {
        padding: 12px;
    }
    
    .card {
        padding: 20px;
    }
    
    .header h1 {
        font-size: 1.5rem;
    }
    
    .welcome-disc,
    .test-type-cards,
    .scores-grid,
    .traits-grid {
        grid-template-columns: 1fr;
    }
    
    .word-row {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }
    
    .word-label {
        flex: none;
        text-align: center;
    }
    
    .slider-container {
        flex-direction: row;
    }
    
    .btn-group {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}

/* ─── Print styles ─── */

@media print {
    .btn-group, .lang-selector, .progress-container {
        display: none !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
        break-inside: avoid;
    }
}