/* 
 * Right Away Training - Global Design System
 * Unified styles for all 90+ features
 */

/* ==================== CSS VARIABLES ==================== */
:root {
    /* Brand Colors */
    --color-primary: #00A6E8;
    --color-primary-dark: #0088C9;
    --color-primary-light: #60c7f0;
    --color-secondary: #22c55e;
    --color-secondary-dark: #16a34a;
    --color-accent: #f59e0b;
    --color-accent-dark: #d97706;
    
    /* Neutrals */
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    
    /* Semantic Colors */
    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Manrope', var(--font-primary);
    
    /* Spacing (8px base) */
    --space-1: 0.5rem;   /* 8px */
    --space-2: 1rem;     /* 16px */
    --space-3: 1.5rem;   /* 24px */
    --space-4: 2rem;     /* 32px */
    --space-5: 2.5rem;   /* 40px */
    --space-6: 3rem;     /* 48px */
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Layout */
    --sidebar-width: 280px;
    --sidebar-collapsed-width: 70px;
    --topbar-height: 64px;
    --content-max-width: 1400px;
    
    /* Transitions */
    --transition-fast: 150ms;
    --transition-base: 200ms;
    --transition-slow: 300ms;
}

/* ==================== RESET & BASE ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--color-gray-900);
    background: var(--color-gray-50);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* ==================== TYPOGRAPHY ==================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-2);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p { margin-bottom: var(--space-2); }

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover { color: var(--color-primary-dark); }

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-1);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: var(--font-primary);
    font-size: 0.95rem;
}

.btn:disabled,
.btn[aria-disabled="true"] {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn:disabled:hover,
.btn[aria-disabled="true"]:hover {
    transform: none;
    box-shadow: none;
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    box-shadow: 0 4px 12px rgba(0, 166, 232, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 166, 232, 0.4);
}

.btn-secondary {
    background: var(--color-gray-100);
    color: var(--color-gray-700);
}

.btn-secondary:hover {
    background: var(--color-gray-200);
}

.btn-success {
    background: var(--color-success);
    color: white;
}

.btn-danger {
    background: var(--color-error);
    color: white;
}

/* ==================== CARDS ==================== */
.card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--space-3);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-3);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

/* ==================== BADGES ==================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary { background: var(--color-primary); color: white; }
.badge-success { background: var(--color-success); color: white; }
.badge-warning { background: var(--color-warning); color: white; }
.badge-error { background: var(--color-error); color: white; }

/* ==================== LAYOUT ==================== */
.app-container {
    display: flex;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: margin-left var(--transition-slow);
    width: calc(100% - var(--sidebar-width));
    max-width: calc(100vw - var(--sidebar-width));
    overflow-x: hidden;
}

.main-content.sidebar-collapsed {
    margin-left: var(--sidebar-collapsed-width);
    width: calc(100% - var(--sidebar-collapsed-width));
    max-width: calc(100vw - var(--sidebar-collapsed-width));
}

.content-wrapper {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: var(--space-4);
}

/* ==================== PAGE HEADERS ==================== */
.page-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.page-header-title {
    margin: 0;
}

.page-header-subtitle {
    margin: 0.25rem 0 0;
    color: var(--color-gray-600);
    font-size: 1.05rem;
}

.page-header-actions {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}


/* ==================== UTILITIES ==================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-muted { color: var(--color-gray-500); }

.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }

.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    .main-content {
        margin-left: 0;
    }
    
    .content-wrapper {
        padding: var(--space-2);
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ==================== ANIMATIONS ==================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.fade-in { animation: fadeIn var(--transition-slow); }
.slide-in { animation: slideIn var(--transition-slow); }
.scale-in { animation: scaleIn var(--transition-slow); }