/* Tuwaiq Travels Enterprise Design System Tokens & Global Base */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+Arabic:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

:root {
    /* Color Palette & Semantic Tokens */
    --tq-color-primary: #1E3A8A;
    --tq-color-primary-hover: #2563EB;
    --tq-color-accent: #D69E2E;
    --tq-color-accent-hover: #ECC94B;
    --tq-color-teal: #319795;
    --tq-color-teal-hover: #38B2AC;

    --tq-color-bg: #0F0F1A;
    --tq-color-surface: #1A202C;
    --tq-color-surface-raised: #2D3748;
    --tq-color-surface-overlay: rgba(26, 32, 44, 0.85);

    --tq-color-border: #254a7d;
    --tq-color-border-subtle: rgba(255, 255, 255, 0.08);

    --tq-color-text-primary: #F7FAFC;
    --tq-color-text-secondary: #A0AEC0;
    --tq-color-text-muted: #718096;

    --tq-color-danger: #EF4444;
    --tq-color-danger-bg: rgba(239, 68, 68, 0.15);
    --tq-color-success: #10B981;
    --tq-color-success-bg: rgba(16, 185, 129, 0.15);
    --tq-color-warning: #F59E0B;
    --tq-color-warning-bg: rgba(245, 158, 11, 0.15);
    --tq-color-info: #3B82F6;
    --tq-color-info-bg: rgba(59, 130, 246, 0.15);

    /* Typography Scale */
    --tq-font-arabic: 'IBM Plex Sans Arabic', -apple-system, BlinkMacSystemFont, sans-serif;
    --tq-font-english: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

    --tq-font-size-display: 2rem;       /* 32px */
    --tq-font-size-heading: 1.5rem;     /* 24px */
    --tq-font-size-title: 1.125rem;     /* 18px */
    --tq-font-size-body: 0.875rem;      /* 14px */
    --tq-font-size-caption: 0.75rem;    /* 12px */

    /* Spacing System (4, 8, 12, 16, 20, 24, 32, 40, 48, 64, 80, 96) */
    --tq-space-1: 4px;
    --tq-space-2: 8px;
    --tq-space-3: 12px;
    --tq-space-4: 16px;
    --tq-space-5: 20px;
    --tq-space-6: 24px;
    --tq-space-8: 32px;
    --tq-space-10: 40px;
    --tq-space-12: 48px;
    --tq-space-16: 64px;
    --tq-space-20: 80px;
    --tq-space-24: 96px;

    /* Border Radius Scale (12px, 14px, 16px, 20px, 28px, 32px) */
    --tq-radius-ctrl: 12px;
    --tq-radius-btn: 14px;
    --tq-radius-input: 16px;
    --tq-radius-card: 20px;
    --tq-radius-dialog: 28px;
    --tq-radius-drawer: 32px;

    /* Shadow Elevation Levels */
    --tq-shadow-0: none;
    --tq-shadow-1: 0 2px 8px rgba(0, 0, 0, 0.25);
    --tq-shadow-2: 0 8px 24px rgba(0, 0, 0, 0.35);
    --tq-shadow-3: 0 16px 48px rgba(0, 0, 0, 0.5);

    /* Motion System */
    --tq-motion-btn: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --tq-motion-card: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --tq-motion-sidebar: 180ms cubic-bezier(0.4, 0, 0.2, 1);
    --tq-motion-dialog: 220ms cubic-bezier(0.4, 0, 0.2, 1);
    --tq-motion-page: 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    background-color: var(--tq-color-bg);
    color: var(--tq-color-text-primary);
    font-family: var(--tq-font-arabic);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}

[lang="en"] {
    font-family: var(--tq-font-english);
}

/* Base Utility Classes */
.tq-card-surface {
    background-color: var(--tq-color-surface);
    border: 1px solid var(--tq-color-border);
    border-radius: var(--tq-radius-card);
    box-shadow: var(--tq-shadow-1);
    padding: var(--tq-space-6);
    transition: transform var(--tq-motion-card), box-shadow var(--tq-motion-card);
}

.tq-card-surface:hover {
    box-shadow: var(--tq-shadow-2);
}

.tq-text-display { font-size: var(--tq-font-size-display); font-weight: 700; line-height: 1.2; }
.tq-text-heading { font-size: var(--tq-font-size-heading); font-weight: 700; line-height: 1.3; }
.tq-text-title   { font-size: var(--tq-font-size-title); font-weight: 600; line-height: 1.4; }
.tq-text-body    { font-size: var(--tq-font-size-body); font-weight: 400; line-height: 1.5; }
.tq-text-caption { font-size: var(--tq-font-size-caption); font-weight: 500; color: var(--tq-color-text-secondary); }

/* Focus Ring Accessibility */
*:focus-visible {
    outline: 2px solid var(--tq-color-teal);
    outline-offset: 2px;
}