/* ============================================
   RIS PORTAL - MODERN PREMIUM THEME
   A Complete Modern Design System
   ============================================ */

/* ============================================
   CSS VARIABLES - Design System
   ============================================ */
:root {
    /* Primary Brand Colors */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #ec4899;
    --secondary-dark: #db2777;
    --secondary-light: #f472b6;
    
    /* Accent Colors */
    --accent-blue: #3b82f6;
    --accent-green: #10b981;
    --accent-orange: #f59e0b;
    --accent-red: #ef4444;
    --accent-purple: #8b5cf6;
    --accent-cyan: #06b6d4;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Semantic Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    
    /* 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);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Inter', sans-serif;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   GLOBAL STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--gray-700);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   MODERN NAVBAR
   ============================================ */
.navbar-modern {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
    padding: 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all var(--transition);
}

.navbar-modern .navbar-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--gray-900);
    text-decoration: none;
    padding: 1rem 0;
}

.navbar-brand-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    box-shadow: var(--shadow-md);
    transition: all var(--transition);
}

.navbar-brand:hover .navbar-brand-icon {
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-lg);
}

.navbar-nav-modern {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    margin: 0;
    padding: 1rem 0;
}

.nav-link-modern {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    color: var(--gray-600);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    border-radius: var(--radius);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link-modern:hover {
    color: var(--primary);
    background: var(--gray-100);
    transform: translateY(-1px);
}

.nav-link-modern.active {
    color: var(--primary);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(99, 102, 241, 0.05) 100%);
}

.nav-link-modern i {
    font-size: 1.125rem;
    width: 1.25rem;
    text-align: center;
}

/* User Menu */
.user-menu-modern {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1rem;
    background: var(--gray-50);
    border-radius: var(--radius-full);
    border: 1px solid var(--gray-200);
    cursor: pointer;
    transition: all var(--transition);
}

.user-menu-modern:hover {
    background: white;
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.user-avatar-modern {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1rem;
    box-shadow: var(--shadow);
}

/* ============================================
   MODERN CARDS
   ============================================ */
.card-modern {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: all var(--transition);
}

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

.card-header-modern {
    padding: 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    background: linear-gradient(135deg, var(--gray-50) 0%, white 100%);
}

.card-header-modern h5 {
    margin: 0;
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.card-header-modern i {
    color: var(--primary);
    font-size: 1.25rem;
}

.card-body-modern {
    padding: 1.5rem;
}

/* Glass Card */
.card-glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

/* ============================================
   KPI CARDS
   ============================================ */
.kpi-grid-modern {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.kpi-card-modern {
    background: white;
    border-radius: var(--radius-xl);
    padding: 1.75rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
    transition: all var(--transition);
}

.kpi-card-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--kpi-color-start), var(--kpi-color-end));
}

.kpi-card-modern:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.kpi-icon-modern {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--kpi-color-start), var(--kpi-color-end));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.75rem;
    margin-bottom: 1.25rem;
    box-shadow: var(--shadow-md);
}

.kpi-label-modern {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.kpi-value-modern {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1;
    margin-bottom: 0.75rem;
}

.kpi-subtitle-modern {
    font-size: 0.875rem;
    color: var(--gray-500);
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

/* KPI Color Variants */
.kpi-card-modern.kpi-primary {
    --kpi-color-start: #6366f1;
    --kpi-color-end: #8b5cf6;
}

.kpi-card-modern.kpi-success {
    --kpi-color-start: #10b981;
    --kpi-color-end: #059669;
}

.kpi-card-modern.kpi-warning {
    --kpi-color-start: #f59e0b;
    --kpi-color-end: #d97706;
}

.kpi-card-modern.kpi-danger {
    --kpi-color-start: #ef4444;
    --kpi-color-end: #dc2626;
}

.kpi-card-modern.kpi-info {
    --kpi-color-start: #3b82f6;
    --kpi-color-end: #2563eb;
}

/* ============================================
   MODERN BUTTONS
   ============================================ */
.btn-modern {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    font-size: 0.9375rem;
    line-height: 1;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn-modern:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary-modern {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-primary-modern:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.btn-secondary-modern {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(236, 72, 153, 0.3);
}

.btn-secondary-modern:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(236, 72, 153, 0.4);
}

.btn-outline-modern {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline-modern:hover:not(:disabled) {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

.btn-ghost-modern {
    background: transparent;
    color: var(--gray-700);
}

.btn-ghost-modern:hover:not(:disabled) {
    background: var(--gray-100);
}

.btn-sm-modern {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg-modern {
    padding: 1rem 2rem;
    font-size: 1.0625rem;
}

/* ============================================
   MODERN FORM CONTROLS
   ============================================ */
.form-group-modern {
    margin-bottom: 1.5rem;
}

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

.form-control-modern {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
    line-height: 1.5;
    color: var(--gray-900);
    background: white;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius);
    transition: all var(--transition-fast);
}

.form-control-modern:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

.form-select-modern {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

/* ============================================
   MODERN TABLES
   ============================================ */
.table-modern {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.table-modern thead th {
    padding: 1rem 1.5rem;
    font-weight: 700;
    font-size: 0.875rem;
    color: var(--gray-700);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--gray-50);
    border-bottom: 2px solid var(--gray-200);
    text-align: left;
}

.table-modern tbody td {
    padding: 1rem 1.5rem;
    font-size: 0.9375rem;
    color: var(--gray-700);
    border-bottom: 1px solid var(--gray-200);
}

.table-modern tbody tr {
    transition: all var(--transition-fast);
}

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

/* ============================================
   MODERN BADGES
   ============================================ */
.badge-modern {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
    font-weight: 600;
    line-height: 1;
    border-radius: var(--radius-full);
}

.badge-primary-modern {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(99, 102, 241, 0.1) 100%);
    color: var(--primary-dark);
}

.badge-success-modern {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(16, 185, 129, 0.1) 100%);
    color: #065f46;
}

.badge-warning-modern {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15) 0%, rgba(245, 158, 11, 0.1) 100%);
    color: #92400e;
}

.badge-danger-modern {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.15) 0%, rgba(239, 68, 68, 0.1) 100%);
    color: #991b1b;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

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

.animate-fade-in {
    animation: fadeIn 0.5s ease-out;
}

.animate-slide-in {
    animation: slideIn 0.5s ease-out;
}

.animate-scale-in {
    animation: scaleIn 0.3s ease-out;
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass-effect {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.glow-effect {
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
    .kpi-grid-modern {
        grid-template-columns: 1fr;
    }
    
    .navbar-nav-modern {
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .nav-link-modern {
        width: 100%;
    }
}