/**
 * SPMB Design System - Fresh & Modern UI
 * Universitas Nadiah Yusriani Putri
 * 
 * Color Palette:
 * - Primary: Teal/Cyan (#0d9488, #14b8a6)
 * - Secondary: Indigo (#6366f1, #818cf8)
 * - Accent: Amber (#f59e0b)
 * - Success: Emerald (#10b981)
 * - Warning: Orange (#f97316)
 * - Danger: Rose (#f43f5e)
 * - Neutral: Slate (#64748b)
 */

:root {
    /* Primary Colors - Teal */
    --primary-50: #f0fdfa;
    --primary-100: #ccfbf1;
    --primary-200: #99f6e4;
    --primary-300: #5eead4;
    --primary-400: #2dd4bf;
    --primary-500: #14b8a6;
    --primary-600: #0d9488;
    --primary-700: #0f766e;
    --primary-800: #115e59;
    --primary-900: #134e4a;
    
    /* Secondary Colors - Indigo */
    --secondary-50: #eef2ff;
    --secondary-100: #e0e7ff;
    --secondary-200: #c7d2fe;
    --secondary-300: #a5b4fc;
    --secondary-400: #818cf8;
    --secondary-500: #6366f1;
    --secondary-600: #4f46e5;
    --secondary-700: #4338ca;
    --secondary-800: #3730a3;
    --secondary-900: #312e81;
    
    /* Accent Colors - Amber */
    --accent-50: #fffbeb;
    --accent-100: #fef3c7;
    --accent-200: #fde68a;
    --accent-300: #fcd34d;
    --accent-400: #fbbf24;
    --accent-500: #f59e0b;
    --accent-600: #d97706;
    --accent-700: #b45309;
    --accent-800: #92400e;
    --accent-900: #78350f;
    
    /* Success Colors - Emerald */
    --success-50: #ecfdf5;
    --success-100: #d1fae5;
    --success-200: #a7f3d0;
    --success-300: #6ee7b7;
    --success-400: #34d399;
    --success-500: #10b981;
    --success-600: #059669;
    --success-700: #047857;
    --success-800: #065f46;
    --success-900: #064e3b;
    
    /* Warning Colors - Orange */
    --warning-50: #fff7ed;
    --warning-100: #ffedd5;
    --warning-200: #fed7aa;
    --warning-300: #fdba74;
    --warning-400: #fb923c;
    --warning-500: #f97316;
    --warning-600: #ea580c;
    --warning-700: #c2410c;
    --warning-800: #9a3412;
    --warning-900: #7c2d12;
    
    /* Danger Colors - Rose */
    --danger-50: #fff1f2;
    --danger-100: #ffe4e6;
    --danger-200: #fecdd3;
    --danger-300: #fda4af;
    --danger-400: #fb7185;
    --danger-500: #f43f5e;
    --danger-600: #e11d48;
    --danger-700: #be123c;
    --danger-800: #9f1239;
    --danger-900: #881337;
    
    /* Neutral Colors - Slate */
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0d9488 0%, #14b8a6 50%, #2dd4bf 100%);
    --gradient-secondary: linear-gradient(135deg, #4f46e5 0%, #6366f1 50%, #818cf8 100%);
    --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
    --gradient-hero: linear-gradient(135deg, #0d9488 0%, #0f766e 50%, #115e59 100%);
    --gradient-card: linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.8) 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    --shadow-primary: 0 10px 40px -10px rgba(13, 148, 136, 0.4);
    --shadow-secondary: 0 10px 40px -10px rgba(99, 102, 241, 0.4);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.25rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 2rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Typography */
    --font-sans: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Plus Jakarta Sans', 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--gray-800);
    background: var(--gray-50);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.3;
    color: var(--gray-900);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* Selection */
::selection {
    background: var(--primary-200);
    color: var(--primary-900);
}

/* Focus Styles */
:focus-visible {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

/* Button Styles */
.btn-primary-gradient {
    background: var(--gradient-primary);
    border: none;
    color: white;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    transition: all var(--transition);
    box-shadow: var(--shadow-primary);
}

.btn-primary-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px -10px rgba(13, 148, 136, 0.5);
    color: white;
}

.btn-secondary-gradient {
    background: var(--gradient-secondary);
    border: none;
    color: white;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    transition: all var(--transition);
    box-shadow: var(--shadow-secondary);
}

.btn-secondary-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px -10px rgba(99, 102, 241, 0.5);
    color: white;
}

.btn-outline-primary {
    border: 2px solid var(--primary-500);
    color: var(--primary-600);
    background: transparent;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    transition: all var(--transition);
}

.btn-outline-primary:hover {
    background: var(--primary-500);
    color: white;
    transform: translateY(-2px);
}

/* Card Styles */
.card-modern {
    background: white;
    border-radius: var(--radius-2xl);
    border: 1px solid var(--gray-100);
    box-shadow: var(--shadow);
    transition: all var(--transition);
    overflow: hidden;
}

.card-modern:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
    border-color: var(--primary-100);
}

.card-glass {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-2xl);
}

/* Badge Styles */
.badge-modern {
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.025em;
}

.badge-primary {
    background: var(--primary-100);
    color: var(--primary-700);
}

.badge-success {
    background: var(--success-100);
    color: var(--success-700);
}

.badge-warning {
    background: var(--warning-100);
    color: var(--warning-700);
}

.badge-danger {
    background: var(--danger-100);
    color: var(--danger-700);
}

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

/* Form Styles */
.form-control-modern {
    padding: 0.875rem 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: 0.95rem;
    transition: all var(--transition);
    background: white;
}

.form-control-modern:focus {
    border-color: var(--primary-400);
    box-shadow: 0 0 0 4px var(--primary-100);
    outline: none;
}

.form-control-modern::placeholder {
    color: var(--gray-400);
}

.form-label-modern {
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

/* Alert Styles */
.alert-modern {
    border-radius: var(--radius-xl);
    border: none;
    padding: 1rem 1.25rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.alert-success-modern {
    background: var(--success-50);
    color: var(--success-800);
    border-left: 4px solid var(--success-500);
}

.alert-warning-modern {
    background: var(--warning-50);
    color: var(--warning-800);
    border-left: 4px solid var(--warning-500);
}

.alert-danger-modern {
    background: var(--danger-50);
    color: var(--danger-800);
    border-left: 4px solid var(--danger-500);
}

.alert-info-modern {
    background: var(--primary-50);
    color: var(--primary-800);
    border-left: 4px solid var(--primary-500);
}

/* Table Styles */
.table-modern {
    border-collapse: separate;
    border-spacing: 0;
}

.table-modern thead th {
    background: var(--gray-50);
    color: var(--gray-600);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 1rem;
    border-bottom: 2px solid var(--gray-200);
}

.table-modern tbody td {
    padding: 1rem;
    border-bottom: 1px solid var(--gray-100);
    vertical-align: middle;
}

.table-modern tbody tr:hover {
    background: var(--gray-50);
}

.table-modern tbody tr:last-child td {
    border-bottom: none;
}

/* Animation Classes */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
}

.animate-fadeInUp {
    animation: fadeInUp 0.5s ease-out forwards;
}

.animate-fadeIn {
    animation: fadeIn 0.3s ease-out forwards;
}

.animate-slideInRight {
    animation: slideInRight 0.4s ease-out forwards;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

.animate-bounce {
    animation: bounce 2s infinite;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

/* Utility Classes */
.text-gradient-primary {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-secondary {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient-primary {
    background: var(--gradient-primary);
}

.bg-gradient-secondary {
    background: var(--gradient-secondary);
}

.bg-gradient-hero {
    background: var(--gradient-hero);
}

.shadow-primary {
    box-shadow: var(--shadow-primary);
}

.shadow-secondary {
    box-shadow: var(--shadow-secondary);
}

/* Responsive Utilities */
@media (max-width: 768px) {
    .hide-mobile {
        display: none !important;
    }
}

@media (min-width: 769px) {
    .hide-desktop {
        display: none !important;
    }
}