/* ============================================
   PSQI Sleep Calculator — Deep Purple Theme
   Primary: #7c3aed  Light: #f5f3ff  Border: #c4b5fd
   ============================================ */

.psqi-calculator-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 16px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    color: #1e293b;
    line-height: 1.6;
}

.psqi-calculator-container *,
.psqi-calculator-container *::before,
.psqi-calculator-container *::after {
    box-sizing: border-box;
}

/* ============ HERO ============ */

.psqi-hero {
    background: linear-gradient(135deg, #7c3aed, #5b21b6);
    color: #fff;
    text-align: center;
    padding: 48px 32px 40px;
    border-radius: 16px;
    margin-bottom: 32px;
}

.psqi-hero h1 {
    font-size: 2.2rem;
    font-weight: 800;
    margin: 0 0 12px;
    color: #fff;
    line-height: 1.2;
}

.psqi-hero .hero-subtitle {
    font-size: 1.05rem;
    opacity: 0.92;
    margin: 0 0 24px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.psqi-calculator-container .hero-badges {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
}

.psqi-calculator-container .hero-badges .badge {
    background: rgba(255, 255, 255, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    backdrop-filter: blur(4px);
    color: #fff;
}

.psqi-calculator-container .hero-badges .badge-icon {
    margin-right: 4px;
}

/* ============ STATS ROW ============ */

.psqi-calculator-container .stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.psqi-calculator-container .stat-card {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 24px 16px;
    text-align: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.psqi-calculator-container .stat-number {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: #7c3aed;
    line-height: 1.2;
}

.psqi-calculator-container .stat-label {
    display: block;
    font-size: 0.82rem;
    color: #64748b;
    margin-top: 4px;
}

/* ============ PRIVACY NOTICE ============ */

.psqi-calculator-container .privacy-notice {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-left: 4px solid #22c55e;
    border-radius: 8px;
    padding: 14px 20px;
    font-size: 0.9rem;
    margin-bottom: 32px;
    color: #166534;
}

/* ============ CALCULATOR FORM ============ */

.psqi-calculator-container .calculator-form-section {
    margin-bottom: 32px;
}

.psqi-calculator-container .form-instructions {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.psqi-calculator-container .form-instructions h2 {
    font-size: 1.4rem;
    color: #1e293b;
    margin: 0 0 12px;
}

.psqi-calculator-container .form-instructions p {
    font-size: 0.95rem;
    color: #475569;
    margin: 0 0 16px;
    line-height: 1.6;
}

/* Section Headers */
.psqi-calculator-container .section-header {
    background: #f5f3ff;
    border: 1px solid #c4b5fd;
    border-radius: 12px;
    padding: 20px 24px;
    margin-bottom: 16px;
    margin-top: 8px;
}

.psqi-calculator-container .section-header h3 {
    font-size: 1.15rem;
    color: #5b21b6;
    margin: 0 0 8px;
    font-weight: 700;
}

.psqi-calculator-container .section-header p {
    font-size: 0.92rem;
    color: #6d28d9;
    margin: 0 0 12px;
    line-height: 1.5;
}

.psqi-calculator-container .section-header p:last-child {
    margin-bottom: 0;
}

.psqi-calculator-container .scale-legend {
    display: flex;
    flex-direction: column;
    gap: 6px;
    background: #ede9fe;
    border: 1px solid #c4b5fd;
    border-radius: 8px;
    padding: 14px 18px;
}

.psqi-calculator-container .scale-item {
    font-size: 0.88rem;
    color: #4c1d95;
    line-height: 1.5;
}

.psqi-calculator-container .scale-item strong {
    display: inline-block;
    width: 20px;
    height: 20px;
    line-height: 20px;
    text-align: center;
    background: #7c3aed;
    color: #fff;
    border-radius: 4px;
    font-size: 0.8rem;
    margin-right: 6px;
}

/* Progress wrapper (injected by JS) */
.psqi-calculator-container .mdcv2-progress-wrapper {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 16px 20px;
    margin-bottom: 24px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.psqi-calculator-container .mdcv2-progress-text {
    font-size: 0.88rem;
    color: #64748b;
    margin-bottom: 8px;
    font-weight: 600;
}

.psqi-calculator-container .mdcv2-progress-bar {
    background: #e2e8f0;
    border-radius: 50px;
    height: 10px;
    overflow: hidden;
}

.psqi-calculator-container .mdcv2-progress-fill {
    background: linear-gradient(90deg, #7c3aed, #a78bfa);
    height: 100%;
    border-radius: 50px;
    transition: width 0.4s ease;
}

/* Question cards */
.psqi-calculator-container .question-card {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 20px 24px;
    margin-bottom: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.psqi-calculator-container .question-card:hover {
    border-color: #c4b5fd;
}

.psqi-calculator-container .question-card.answered {
    border-color: #a78bfa;
    box-shadow: 0 1px 3px rgba(124, 58, 237, 0.1);
}

.psqi-calculator-container .question-text {
    margin: 0 0 14px;
    font-size: 0.95rem;
    line-height: 1.6;
    color: #1e293b;
}

.psqi-calculator-container .question-text em {
    font-style: italic;
    color: #64748b;
}

.psqi-calculator-container .q-number {
    display: inline-block;
    width: 32px;
    height: 28px;
    line-height: 28px;
    text-align: center;
    background: #7c3aed;
    color: #fff;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-right: 10px;
    vertical-align: middle;
    padding: 0 4px;
}

/* ============ INPUT FIELDS (time, number) ============ */

.psqi-calculator-container .input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.psqi-calculator-container .input-label {
    font-size: 0.88rem;
    font-weight: 600;
    color: #475569;
}

.psqi-calculator-container .time-input,
.psqi-calculator-container .number-input {
    width: 100%;
    max-width: 280px;
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 1rem;
    color: #1e293b;
    background: #f8fafc;
    transition: all 0.2s ease;
    font-family: inherit;
}

.psqi-calculator-container .time-input:focus,
.psqi-calculator-container .number-input:focus {
    outline: none;
    border-color: #7c3aed;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
}

.psqi-calculator-container .time-input:hover,
.psqi-calculator-container .number-input:hover {
    border-color: #c4b5fd;
}

.psqi-calculator-container .input-hint {
    font-size: 0.8rem;
    color: #94a3b8;
    font-style: italic;
}

/* ============ LIKERT OPTIONS ============ */

.psqi-calculator-container .likert-options {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.psqi-calculator-container .likert-btn {
    cursor: pointer;
    margin: 0;
}

.psqi-calculator-container .likert-btn input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.psqi-calculator-container .likert-btn span {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 12px 8px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-weight: 500;
    font-size: 0.82rem;
    color: #64748b;
    background: #f8fafc;
    transition: all 0.2s ease;
    min-height: 68px;
    justify-content: center;
    gap: 4px;
}

.psqi-calculator-container .likert-btn span em {
    font-style: normal;
    font-weight: 800;
    font-size: 1.1rem;
    color: #94a3b8;
    transition: color 0.2s ease;
}

.psqi-calculator-container .likert-btn:hover span {
    border-color: #c4b5fd;
    color: #7c3aed;
    background: #f5f3ff;
}

.psqi-calculator-container .likert-btn:hover span em {
    color: #7c3aed;
}

.psqi-calculator-container .likert-btn input[type="radio"]:checked + span {
    background: #7c3aed;
    color: #fff;
    border-color: #7c3aed;
    box-shadow: 0 2px 8px rgba(124, 58, 237, 0.3);
}

.psqi-calculator-container .likert-btn input[type="radio"]:checked + span em {
    color: #fff;
}

/* ============ SUBMIT BUTTON ============ */

.psqi-calculator-container .form-submit {
    text-align: center;
    margin-top: 32px;
}

.psqi-calculator-container .submit-btn {
    background: linear-gradient(135deg, #7c3aed, #5b21b6);
    color: #fff;
    border: none;
    padding: 16px 48px;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
}

.psqi-calculator-container .submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(124, 58, 237, 0.4);
}

.psqi-calculator-container .submit-btn:active {
    transform: translateY(0);
}

/* ============ RESULTS SECTION ============ */

.psqi-calculator-container .results-section {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 40px 32px;
    margin-bottom: 32px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.psqi-calculator-container .results-section h2 {
    text-align: center;
    font-size: 1.6rem;
    color: #1e293b;
    margin: 0 0 32px;
}

/* ============ GLOBAL SCORE CARD ============ */

.psqi-calculator-container .global-score-card {
    background: #fff;
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 32px;
    text-align: center;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transition: border-color 0.3s ease;
}

.psqi-calculator-container .global-score-card.global-good {
    border-color: #22c55e;
}

.psqi-calculator-container .global-score-card.global-poor {
    border-color: #f59e0b;
}

.psqi-calculator-container .global-score-card.global-bad {
    border-color: #ef4444;
}

.psqi-calculator-container .global-score-card.global-severe {
    border-color: #dc2626;
}

.psqi-calculator-container .global-score-header {
    background: linear-gradient(135deg, #7c3aed, #5b21b6);
    color: #fff;
    padding: 14px 20px;
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.psqi-calculator-container .global-score-body {
    padding: 28px 20px 20px;
}

.psqi-calculator-container .global-score-value {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1;
    color: #1e293b;
}

.psqi-calculator-container .global-score-max {
    font-size: 0.9rem;
    color: #94a3b8;
    margin-top: 4px;
    margin-bottom: 12px;
}

.psqi-calculator-container .global-score-quality {
    font-size: 1rem;
    font-weight: 700;
    padding: 6px 18px;
    border-radius: 50px;
    display: inline-block;
}

.psqi-calculator-container .quality-good {
    background: #f0fdf4;
    color: #16a34a;
    border: 1px solid #bbf7d0;
}

.psqi-calculator-container .quality-poor {
    background: #fffbeb;
    color: #ca8a04;
    border: 1px solid #fde68a;
}

.psqi-calculator-container .quality-bad {
    background: #fff7ed;
    color: #ea580c;
    border: 1px solid #fed7aa;
}

.psqi-calculator-container .quality-severe {
    background: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

/* Global score value color per severity */
.psqi-calculator-container .global-score-card.global-good .global-score-value { color: #16a34a; }
.psqi-calculator-container .global-score-card.global-poor .global-score-value { color: #ca8a04; }
.psqi-calculator-container .global-score-card.global-bad .global-score-value { color: #ea580c; }
.psqi-calculator-container .global-score-card.global-severe .global-score-value { color: #dc2626; }

/* Global score bar */
.psqi-calculator-container .global-score-bar-track {
    position: relative;
    height: 16px;
    background: #f1f5f9;
    margin: 0 20px 8px;
    border-radius: 50px;
    overflow: visible;
}

.psqi-calculator-container .global-score-bar-fill {
    height: 100%;
    border-radius: 50px;
    background: linear-gradient(90deg, #22c55e, #f59e0b, #ef4444);
    transition: width 0.8s ease;
}

.psqi-calculator-container .global-score-cutoff {
    position: absolute;
    left: 23.8%; /* 5/21 = ~23.8% */
    top: -4px;
    width: 3px;
    height: 24px;
    background: #1e293b;
    border-radius: 2px;
}

.psqi-calculator-container .global-score-cutoff-label {
    font-size: 0.78rem;
    color: #94a3b8;
    padding: 0 20px 16px;
    text-align: center;
}

/* ============ 7 COMPONENT CARDS ============ */

.psqi-calculator-container .components-heading {
    font-size: 1.2rem;
    color: #1e293b;
    margin: 0 0 20px;
    text-align: center;
}

.psqi-calculator-container .component-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.psqi-calculator-container .component-card {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.psqi-calculator-container .component-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.psqi-calculator-container .component-card-header {
    padding: 10px 14px;
    font-size: 0.82rem;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, #7c3aed, #6d28d9);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.psqi-calculator-container .component-card-body {
    display: flex;
    align-items: baseline;
    justify-content: center;
    padding: 16px 14px 8px;
    gap: 4px;
}

.psqi-calculator-container .component-score {
    font-size: 2.4rem;
    font-weight: 800;
    line-height: 1;
    color: #1e293b;
}

.psqi-calculator-container .component-max {
    font-size: 0.85rem;
    color: #94a3b8;
    font-weight: 500;
}

/* Component bar */
.psqi-calculator-container .component-bar-track {
    height: 6px;
    background: #f1f5f9;
    margin: 0 14px;
    border-radius: 50px;
    overflow: hidden;
}

.psqi-calculator-container .component-bar-fill {
    height: 100%;
    border-radius: 50px;
    transition: width 0.6s ease;
    background: #a78bfa;
}

.psqi-calculator-container .component-interpretation {
    padding: 10px 14px 14px;
    font-size: 0.82rem;
    color: #64748b;
    line-height: 1.4;
    text-align: center;
}

/* Component score color states */
.psqi-calculator-container .component-card.comp-0 .component-score { color: #16a34a; }
.psqi-calculator-container .component-card.comp-0 .component-bar-fill { background: #22c55e; }
.psqi-calculator-container .component-card.comp-0 { border-color: #bbf7d0; }

.psqi-calculator-container .component-card.comp-1 .component-score { color: #65a30d; }
.psqi-calculator-container .component-card.comp-1 .component-bar-fill { background: #84cc16; }
.psqi-calculator-container .component-card.comp-1 { border-color: #d9f99d; }

.psqi-calculator-container .component-card.comp-2 .component-score { color: #ca8a04; }
.psqi-calculator-container .component-card.comp-2 .component-bar-fill { background: #f59e0b; }
.psqi-calculator-container .component-card.comp-2 { border-color: #fde68a; }

.psqi-calculator-container .component-card.comp-3 .component-score { color: #dc2626; }
.psqi-calculator-container .component-card.comp-3 .component-bar-fill { background: #ef4444; }
.psqi-calculator-container .component-card.comp-3 { border-color: #fecaca; }

/* ============ SLEEP METRICS ============ */

.psqi-calculator-container .sleep-metrics-card {
    background: #f5f3ff;
    border: 1px solid #c4b5fd;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 28px;
}

.psqi-calculator-container .sleep-metrics-card h3 {
    font-size: 1.1rem;
    color: #5b21b6;
    margin: 0 0 16px;
}

.psqi-calculator-container .metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.psqi-calculator-container .metric-item {
    background: #fff;
    border: 1px solid #ddd6fe;
    border-radius: 10px;
    padding: 14px 12px;
    text-align: center;
}

.psqi-calculator-container .metric-label {
    display: block;
    font-size: 0.78rem;
    color: #64748b;
    font-weight: 600;
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.psqi-calculator-container .metric-value {
    display: block;
    font-size: 1.4rem;
    font-weight: 800;
    color: #7c3aed;
}

.psqi-calculator-container .metric-value.metric-good { color: #16a34a; }
.psqi-calculator-container .metric-value.metric-fair { color: #65a30d; }
.psqi-calculator-container .metric-value.metric-poor { color: #ca8a04; }
.psqi-calculator-container .metric-value.metric-bad { color: #dc2626; }

/* ============ INTERPRETATION ============ */

.psqi-calculator-container .interpretation-card {
    background: #f5f3ff;
    border: 1px solid #c4b5fd;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 28px;
}

.psqi-calculator-container .interpretation-card h3 {
    font-size: 1.1rem;
    margin: 0 0 12px;
    color: #5b21b6;
}

.psqi-calculator-container .interpretation-card p {
    font-size: 0.93rem;
    color: #475569;
    margin: 0 0 10px;
    line-height: 1.6;
}

.psqi-calculator-container .interpretation-card ul {
    padding-left: 20px;
    margin: 0 0 10px;
}

.psqi-calculator-container .interpretation-card li {
    font-size: 0.93rem;
    color: #475569;
    margin-bottom: 6px;
    line-height: 1.6;
}

/* ============ RECOMMENDATION ============ */

.psqi-calculator-container .recommendation-card {
    background: #fff7ed;
    border: 2px solid #fed7aa;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 28px;
}

.psqi-calculator-container .recommendation-card h3 {
    font-size: 1.1rem;
    margin: 0 0 10px;
    color: #ea580c;
}

.psqi-calculator-container .recommendation-card ul {
    padding-left: 20px;
    margin: 0;
}

.psqi-calculator-container .recommendation-card li {
    font-size: 0.93rem;
    color: #475569;
    margin-bottom: 10px;
    line-height: 1.6;
}

/* ============ RESULT ACTIONS ============ */

.psqi-calculator-container .result-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}

.psqi-calculator-container .mdcv2-print-btn,
.psqi-calculator-container .mdcv2-share-btn {
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 0.92rem;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid #e2e8f0;
    background: #fff;
    color: #475569;
    transition: all 0.2s ease;
}

.psqi-calculator-container .mdcv2-print-btn:hover,
.psqi-calculator-container .mdcv2-share-btn:hover {
    border-color: #7c3aed;
    color: #7c3aed;
    background: #f5f3ff;
}

/* ============ HISTORY ============ */

.psqi-calculator-container .mdcv2-history-section {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 28px;
}

.psqi-calculator-container .mdcv2-history-section h3 {
    font-size: 1.1rem;
    margin: 0 0 16px;
    color: #1e293b;
}

.psqi-calculator-container .history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    margin-bottom: 8px;
    font-size: 0.88rem;
}

.psqi-calculator-container .history-date {
    color: #64748b;
    font-weight: 500;
}

.psqi-calculator-container .history-result {
    color: #7c3aed;
    font-weight: 700;
}

.psqi-calculator-container .mdcv2-clear-history {
    background: none;
    border: none;
    color: #94a3b8;
    font-size: 0.82rem;
    cursor: pointer;
    padding: 6px 0;
    margin-top: 4px;
    text-decoration: underline;
}

.psqi-calculator-container .mdcv2-clear-history:hover {
    color: #ef4444;
}

/* ============ RETAKE ============ */

.psqi-calculator-container .retake-wrapper {
    text-align: center;
}

.psqi-calculator-container .retake-btn {
    background: #fff;
    color: #7c3aed;
    border: 2px solid #7c3aed;
    padding: 14px 40px;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.psqi-calculator-container .retake-btn:hover {
    background: #7c3aed;
    color: #fff;
}

/* ============ EDUCATION TABS ============ */

.psqi-calculator-container .education-tabs {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 32px;
    margin-bottom: 32px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.psqi-calculator-container .tab-nav {
    display: flex;
    gap: 6px;
    border-bottom: 2px solid #e2e8f0;
    padding-bottom: 0;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.psqi-calculator-container .tab-btn {
    padding: 10px 18px;
    border: none;
    background: none;
    font-size: 0.9rem;
    font-weight: 600;
    color: #64748b;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.psqi-calculator-container .tab-btn:hover {
    color: #7c3aed;
}

.psqi-calculator-container .tab-btn.active {
    color: #7c3aed;
    border-bottom-color: #7c3aed;
}

.psqi-calculator-container .tab-content {
    display: none;
}

.psqi-calculator-container .tab-content.active {
    display: block;
}

.psqi-calculator-container .tab-content h3 {
    font-size: 1.2rem;
    color: #1e293b;
    margin: 0 0 16px;
}

.psqi-calculator-container .tab-content p {
    font-size: 0.95rem;
    color: #475569;
    margin: 0 0 14px;
}

.psqi-calculator-container .tab-content ul {
    padding-left: 20px;
    margin: 0 0 14px;
}

.psqi-calculator-container .tab-content li {
    font-size: 0.93rem;
    color: #475569;
    margin-bottom: 8px;
    line-height: 1.6;
}

/* ============ FAQ ACCORDION ============ */

.psqi-calculator-container .faq-section {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 32px;
    margin-bottom: 32px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.psqi-calculator-container .faq-section h2 {
    font-size: 1.4rem;
    color: #1e293b;
    margin: 0 0 20px;
}

.psqi-calculator-container .faq-item {
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    margin-bottom: 10px;
    overflow: hidden;
}

.psqi-calculator-container .faq-question {
    width: 100%;
    text-align: left;
    padding: 16px 48px 16px 20px;
    border: none;
    background: #f8fafc;
    font-size: 0.95rem;
    font-weight: 600;
    color: #1e293b;
    cursor: pointer;
    transition: background 0.2s ease;
    position: relative;
}

.psqi-calculator-container .faq-question::after {
    content: '+';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.3rem;
    color: #7c3aed;
    font-weight: 700;
    transition: transform 0.3s ease;
}

.psqi-calculator-container .faq-item.active .faq-question::after {
    content: '\2212';
}

.psqi-calculator-container .faq-question:hover {
    background: #f1f5f9;
}

.psqi-calculator-container .faq-item.active .faq-question {
    background: #f5f3ff;
}

.psqi-calculator-container .faq-answer {
    display: none;
    padding: 0 20px 16px;
    background: #fff;
}

.psqi-calculator-container .faq-item.active .faq-answer {
    display: block;
}

.psqi-calculator-container .faq-answer p {
    font-size: 0.93rem;
    color: #475569;
    line-height: 1.7;
    margin: 12px 0 0;
}

/* ============ MEDICAL DISCLAIMER ============ */

.psqi-calculator-container .medical-disclaimer {
    background: #fffbeb;
    border: 1px solid #fde68a;
    border-left: 4px solid #f59e0b;
    border-radius: 8px;
    padding: 20px 24px;
    margin-bottom: 32px;
}

.psqi-calculator-container .medical-disclaimer h3 {
    font-size: 1rem;
    color: #92400e;
    margin: 0 0 8px;
}

.psqi-calculator-container .medical-disclaimer p {
    font-size: 0.88rem;
    color: #78350f;
    margin: 0;
    line-height: 1.6;
}

/* ============ RELATED CALCULATORS ============ */

.psqi-calculator-container .related-calculators {
    margin-bottom: 32px;
}

.psqi-calculator-container .related-calculators h2 {
    font-size: 1.4rem;
    color: #1e293b;
    margin: 0 0 20px;
}

.psqi-calculator-container .related-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

.psqi-calculator-container .related-card {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 20px;
    text-decoration: none;
    transition: all 0.2s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.psqi-calculator-container .related-card:hover {
    border-color: #c4b5fd;
    box-shadow: 0 4px 15px rgba(124, 58, 237, 0.12);
    transform: translateY(-2px);
}

.psqi-calculator-container .related-card h4 {
    font-size: 0.95rem;
    color: #7c3aed;
    margin: 0 0 8px;
}

.psqi-calculator-container .related-card p {
    font-size: 0.82rem;
    color: #64748b;
    margin: 0;
    line-height: 1.5;
}

/* ============ REFERENCES ============ */

.psqi-calculator-container .references-section {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 32px;
    margin-bottom: 32px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.psqi-calculator-container .references-section h2 {
    font-size: 1.2rem;
    color: #1e293b;
    margin: 0 0 16px;
}

.psqi-calculator-container .references-section ol {
    padding-left: 20px;
    margin: 0;
}

.psqi-calculator-container .references-section li {
    font-size: 0.85rem;
    color: #64748b;
    margin-bottom: 10px;
    line-height: 1.6;
}

.psqi-calculator-container .references-section em {
    font-style: italic;
}

.psqi-calculator-container .references-section a {
    color: #7c3aed;
    text-decoration: none;
}

.psqi-calculator-container .references-section a:hover {
    text-decoration: underline;
}

/* ============ ATTRIBUTION ============ */

.psqi-calculator-container .attribution-section {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 20px 24px;
    margin-bottom: 32px;
    font-size: 0.88rem;
    color: #64748b;
    line-height: 1.6;
}

.psqi-calculator-container .attribution-section p {
    margin: 0;
}

.psqi-calculator-container .attribution-section strong {
    color: #7c3aed;
}

/* ============ MOBILE RESPONSIVE ============ */

@media (max-width: 768px) {
    .psqi-hero {
        padding: 32px 20px 28px;
    }

    .psqi-hero h1 {
        font-size: 1.6rem;
    }

    .psqi-hero .hero-subtitle {
        font-size: 0.92rem;
    }

    .psqi-calculator-container .hero-badges {
        gap: 8px;
    }

    .psqi-calculator-container .hero-badges .badge {
        font-size: 0.78rem;
        padding: 5px 12px;
    }

    .psqi-calculator-container .stats-row {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .psqi-calculator-container .stat-card {
        padding: 16px;
    }

    .psqi-calculator-container .stat-number {
        font-size: 1.5rem;
    }

    .psqi-calculator-container .form-instructions {
        padding: 18px;
    }

    .psqi-calculator-container .section-header {
        padding: 16px 18px;
    }

    .psqi-calculator-container .scale-legend {
        padding: 12px 14px;
    }

    .psqi-calculator-container .scale-item {
        font-size: 0.82rem;
    }

    .psqi-calculator-container .question-card {
        padding: 16px;
    }

    .psqi-calculator-container .likert-options {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .psqi-calculator-container .likert-btn span {
        padding: 10px 6px;
        min-height: 56px;
        font-size: 0.78rem;
    }

    .psqi-calculator-container .time-input,
    .psqi-calculator-container .number-input {
        max-width: 100%;
    }

    .psqi-calculator-container .submit-btn {
        width: 100%;
        padding: 14px 32px;
    }

    .psqi-calculator-container .results-section {
        padding: 28px 20px;
    }

    .psqi-calculator-container .global-score-value {
        font-size: 3rem;
    }

    .psqi-calculator-container .component-cards-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .psqi-calculator-container .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .psqi-calculator-container .metric-value {
        font-size: 1.2rem;
    }

    .psqi-calculator-container .result-actions {
        flex-direction: column;
        align-items: center;
    }

    .psqi-calculator-container .mdcv2-print-btn,
    .psqi-calculator-container .mdcv2-share-btn {
        width: 100%;
        max-width: 280px;
    }

    .psqi-calculator-container .tab-nav {
        gap: 4px;
    }

    .psqi-calculator-container .tab-btn {
        padding: 8px 12px;
        font-size: 0.82rem;
    }

    .psqi-calculator-container .education-tabs {
        padding: 24px 20px;
    }

    .psqi-calculator-container .faq-section {
        padding: 24px 20px;
    }

    .psqi-calculator-container .related-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .psqi-calculator-container .references-section {
        padding: 24px 20px;
    }
}

@media (max-width: 480px) {
    .psqi-calculator-container {
        padding: 0 10px;
    }

    .psqi-hero {
        padding: 24px 16px;
        border-radius: 12px;
    }

    .psqi-hero h1 {
        font-size: 1.35rem;
    }

    .psqi-calculator-container .likert-options {
        grid-template-columns: 1fr 1fr;
    }

    .psqi-calculator-container .component-cards-grid {
        grid-template-columns: 1fr;
    }

    .psqi-calculator-container .metrics-grid {
        grid-template-columns: 1fr 1fr;
    }

    .psqi-calculator-container .related-grid {
        grid-template-columns: 1fr;
    }

    .psqi-calculator-container .tab-nav {
        flex-direction: column;
        border-bottom: none;
        gap: 2px;
    }

    .psqi-calculator-container .tab-btn {
        border-bottom: none;
        border-left: 3px solid transparent;
        text-align: left;
        margin-bottom: 0;
        padding: 10px 14px;
        background: #f8fafc;
        border-radius: 6px;
    }

    .psqi-calculator-container .tab-btn.active {
        border-bottom-color: transparent;
        border-left-color: #7c3aed;
        background: #f5f3ff;
    }

    .psqi-calculator-container .q-number {
        width: 28px;
        height: 24px;
        line-height: 24px;
        font-size: 0.68rem;
        margin-right: 8px;
    }
}