/* BRIEF Professional - Luxury Clinical Design System v2.0 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    /* Fluid Spacing Scale */
    --space-2xs: clamp(0.25rem, 0.2rem + 0.25vw, 0.375rem);
    --space-xs: clamp(0.5rem, 0.4rem + 0.5vw, 0.75rem);
    --space-sm: clamp(0.75rem, 0.6rem + 0.75vw, 1rem);
    --space-md: clamp(1.25rem, 1rem + 1.25vw, 1.75rem);
    --space-lg: clamp(2rem, 1.5rem + 2vw, 3rem);
    --space-xl: clamp(3rem, 2.5rem + 3vw, 5rem);

    /* Fluid Typography Scale */
    --text-xs: clamp(0.7rem, 0.65rem + 0.25vw, 0.8rem);
    --text-sm: clamp(0.8rem, 0.75rem + 0.25vw, 0.9rem);
    --text-base: clamp(0.95rem, 0.9rem + 0.25vw, 1.05rem);
    --text-lg: clamp(1.15rem, 1.1rem + 0.5vw, 1.35rem);
    --text-xl: clamp(1.5rem, 1.35rem + 1vw, 2.25rem);
    --text-2xl: clamp(2rem, 1.75rem + 1.5vw, 3rem);

    /* Clinical SaaS Palette */
    --primary: #0F172A;
    --primary-light: rgba(15, 23, 42, 0.05);
    --primary-dark: #020617;
    --secondary: #0EA5E9;
    --success: #10B981;
    --danger: #EF4444;
    --background: #FDFEFE;
    --card-bg: rgba(255, 255, 255, 0.9);
    
    --text-main: #1E293B;
    --text-muted: #64748B;
    --border: rgba(15, 23, 42, 0.08);
    --radius: 16px;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    
    --shadow-soft: 0 4px 20px rgba(15, 23, 42, 0.03);
    --shadow-deep: 0 12px 40px rgba(14, 165, 233, 0.08);
}

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

body {
    font-family: 'Inter', system-ui, sans-serif;
    background: var(--background);
    background-image: radial-gradient(circle at 0% 0%, rgba(26, 82, 118, 0.05) 0%, transparent 50%),
                      radial-gradient(circle at 100% 100%, rgba(39, 174, 96, 0.05) 0%, transparent 50%);
    color: var(--text-main);
    line-height: 1.5;
    min-height: 100vh;
    font-size: var(--text-base);
}

.poppins, h1, h2, h3, .card-title {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: var(--space-md) var(--space-lg);
}

/* Glassmorphism Header */
.app-header {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    padding: var(--space-xs) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(0,0,0,0.02);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    align-items: center;
}

.logo-small { height: 36px; width: auto; }
.logo-pro { display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; background: var(--primary-light); border-radius: 8px; transition: var(--transition); }
.logo-pro:hover { transform: translateY(-2px); background: var(--secondary); }
.logo-pro svg { stroke: var(--primary); }
.logo-pro:hover svg { stroke: #fff; }

/* Premium Cards */
.card-pro {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: var(--radius);
    padding: var(--space-lg);
    box-shadow: var(--shadow-soft);
    margin-bottom: var(--space-md);
    transition: var(--transition);
}

.card-pro:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-deep);
}

.card-title {
    font-size: var(--text-xl);
    color: var(--primary-dark);
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

/* Professional Buttons */
.btn-pro {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
    border-radius: 12px;
    font-weight: 600;
    font-family: 'Outfit', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: var(--text-base);
    gap: var(--space-xs);
    box-shadow: var(--shadow-sm);
}

.btn-solid {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
}

.btn-solid:hover {
    transform: scale(1.02) translateY(-2px);
    box-shadow: 0 8px 20px rgba(46, 134, 193, 0.3);
}

.btn-outline {
    background: #fff;
    color: var(--primary);
    border: 2px solid var(--primary-light);
}

.btn-outline:hover {
    background: var(--primary-light);
    border-color: var(--primary);
}

/* Inputs & Choices */
.choice-label {
    display: flex;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    background: #fff;
    border: 2px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    gap: var(--space-xs);
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.choice-label:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.choice-label input { display: none; }

.choice-label.selected {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    border-color: var(--primary-dark);
    box-shadow: var(--shadow-md);
}

/* Question Viewer */
[dir="rtl"] body {
    text-align: right;
    font-family: 'Inter', 'Outfit', sans-serif; /* Standard fonts work for Arabic but could add Arabic fonts here */
}

[dir="rtl"] .header-inner {
    flex-direction: row-reverse;
}

[dir="rtl"] .container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

[dir="rtl"] .grid-2 {
    direction: rtl;
}

[dir="rtl"] .card-pro {
    text-align: right;
}

[dir="rtl"] .btn-pro svg {
    margin-right: 0;
    margin-left: 8px;
}

[dir="rtl"] .logo-pro {
    margin-right: 0;
    margin-left: 1rem;
}

[dir="rtl"] .lang-switcher {
    flex-direction: row-reverse;
}
.question-viewer {
    min-height: 280px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    position: relative;
    overflow: hidden;
    --transition: cubic-bezier(0.4, 0, 0.2, 1) 0.3s;
    --shadow-soft: 0 10px 30px rgba(0,0,0,0.05);
    --shadow-hover: 0 20px 40px rgba(0,0,0,0.1);
}

@keyframes fadeInScale {
    from { opacity: 0; transform: scale(0.98) translateY(10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.step-fade-in {
    animation: fadeInScale 0.6s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.q-nav-btns {
    display: flex;
    justify-content: space-between;
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid var(--border);
}

.btn-nav-small {
    padding: var(--space-xs) var(--space-md);
    font-size: var(--text-sm);
    border-radius: 10px;
    background: #fff;
    color: var(--text-muted);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: var(--space-2xs);
    font-weight: 600;
}

.btn-nav-small:hover:not(:disabled) {
    background: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary);
}

/* Progress & Multi-step */
.progress-track {
    height: 6px;
    background: #EAECEE;
    border-radius: 10px;
    overflow: hidden;
    margin: var(--space-sm) 0;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
    width: 0%;
    transition: width 0.6s cubic-bezier(0.65, 0, 0.35, 1);
}

/* Metric Cards (Results) */
.metric-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-md);
    margin: var(--space-lg) 0;
}

.metric-card {
    background: #fff;
    border-radius: var(--radius);
    padding: var(--space-md);
    text-align: center;
    box-shadow: var(--shadow-soft);
    border-bottom: 4px solid var(--primary);
}

.metric-value { font-size: var(--text-3xl); font-weight: 800; color: var(--primary); margin: var(--space-xs) 0; font-family: 'Outfit'; }
.metric-label { font-size: var(--text-xs); font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }

/* Dashboard Detail Cards */
.subscale-card {
    background: #fff;
    border: 1px solid var(--border);
    padding: var(--space-md);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    gap: var(--space-3xs);
}

.options-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

/* Animations for Step Transitions */
.step-fade-in { animation: fadeIn 0.4s ease-out; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

@media (max-width: 900px) {
    .grid-2 { grid-template-columns: 1fr !important; gap: var(--space-md) !important; }
}

@media (max-width: 600px) {
    .container { padding: var(--space-sm); }
    .card-pro { padding: var(--space-md); }
    .options-row { grid-template-columns: 1fr; }
    
    h2 { font-size: var(--text-2xl) !important; }
    .card-title { font-size: var(--text-lg); }
    
    /* Header adaptation */
    .header-inner { flex-direction: column; gap: var(--space-xs); align-items: flex-start; }
    .no-print { width: 100%; justify-content: space-between; }
    
    /* Modals */
    .modal-content { padding: 0 !important; border-radius: 16px !important; }
    #modalBody { padding: var(--space-md) !important; }
}