/* ==========================================
   R.NET TEFA - Modern Design System
   Teaching Factory Management System
   © 2025 - Professional Admin Dashboard
   ========================================== */

/* ==========================================
   1. ROOT VARIABLES & DESIGN TOKENS
   ========================================== */
:root {
    /* Primary Brand Colors */
    --primary-red: #dc2626;
    --primary-red-dark: #b91c1c;
    --primary-red-light: #fca5a5;
    --primary-red-hover: #ef4444;
    
    /* Teller Theme - Blue */
    --teller-blue: #2563eb;
    --teller-blue-dark: #1d4ed8;
    --teller-blue-light: #93c5fd;
    --teller-blue-hover: #3b82f6;
    
    /* Technician Theme - Yellow/Orange */
    --tech-yellow: #f59e0b;
    --tech-yellow-dark: #d97706;
    --tech-yellow-light: #fcd34d;
    --tech-yellow-hover: #fbbf24;
    
    /* Neutral Palette */
    --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;
    
    /* Status Colors */
    --status-pending: #f59e0b;
    --status-pending-bg: #fef3c7;
    --status-progress: #3b82f6;
    --status-progress-bg: #dbeafe;
    --status-completed: #10b981;
    --status-completed-bg: #d1fae5;
    --status-cancelled: #ef4444;
    --status-cancelled-bg: #fee2e2;
    
    /* Functional Colors */
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --error: #ef4444;
    --error-light: #fee2e2;
    --info: #3b82f6;
    --info-light: #dbeafe;
    
    /* Shadows */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Spacing Scale */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Typography */
    --font-sans: 'Inter', 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    --font-heading: 'Poppins', -apple-system, sans-serif;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Z-index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

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

*::before,
*::after {
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-900);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ==========================================
   3. TYPOGRAPHY
   ========================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2rem;
    font-weight: 600;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

h5 {
    font-size: 1.125rem;
}

h6 {
    font-size: 1rem;
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--gray-700);
}

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

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

/* ==========================================
   4. LAYOUT COMPONENTS
   ========================================== */

/* Main Container */
.main-container {
    width: 100%;
    min-height: 100vh;
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Login Container */
.login-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-md);
}

/* Teaching Factory Card */
.teaching-factory-card {
    background: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
    animation: fadeInUp 0.6s ease-out;
}

.teaching-factory-card:hover {
    box-shadow: var(--shadow-2xl);
    transform: translateY(-4px);
}

/* Company Header */
.company-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    border-bottom: 2px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.company-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.company-logo {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base);
}

.company-logo:hover {
    transform: scale(1.05) rotate(5deg);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.company-name {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    font-family: var(--font-heading);
    letter-spacing: -0.5px;
}

.company-tagline {
    font-size: 0.875rem;
    color: var(--gray-600);
    font-weight: 500;
}

/* Login Section */
.login-section {
    padding: var(--spacing-2xl);
}

.login-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.login-title i {
    color: var(--primary-red);
}

.login-subtitle {
    font-size: 1rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-2xl);
}

/* Login Options */
.login-options {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

/* ==========================================
   5. BUTTON SYSTEM
   ========================================== */

/* Base Button */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.5;
    text-align: center;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    font-family: var(--font-sans);
    text-decoration: none;
    box-shadow: var(--shadow-sm);
}

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

/* Ripple Effect */
.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:active::before {
    width: 300px;
    height: 300px;
}

.btn:active {
    transform: scale(0.98);
}

/* Role-specific Buttons */
.btn-admin {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-dark) 100%);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(220, 38, 38, 0.3);
}

.btn-admin:hover {
    background: linear-gradient(135deg, var(--primary-red-hover) 0%, var(--primary-red) 100%);
    box-shadow: 0 6px 20px rgba(220, 38, 38, 0.4);
    transform: translateY(-2px);
}

.btn-teller {
    background: linear-gradient(135deg, var(--teller-blue) 0%, var(--teller-blue-dark) 100%);
    color: var(--white);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    text-align: left;
}

.btn-teller:hover {
    background: linear-gradient(135deg, var(--teller-blue-hover) 0%, var(--teller-blue) 100%);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
    transform: translateY(-2px);
}

.btn-teknisi {
    background: linear-gradient(135deg, var(--tech-yellow) 0%, var(--tech-yellow-dark) 100%);
    color: var(--white);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    text-align: left;
}

.btn-teknisi:hover {
    background: linear-gradient(135deg, var(--tech-yellow-hover) 0%, var(--tech-yellow) 100%);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
    transform: translateY(-2px);
}

/* Button Variants */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-dark) 100%);
    color: var(--white);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-red-hover) 0%, var(--primary-red) 100%);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--gray-200);
    color: var(--gray-700);
}

.btn-secondary:hover {
    background: var(--gray-300);
    color: var(--gray-900);
}

.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
    color: var(--white);
}

.btn-danger {
    background: linear-gradient(135deg, var(--error) 0%, #dc2626 100%);
    color: var(--white);
}

/* Button Sizes */
.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Button Content */
.btn-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    font-size: 1.5rem;
}

.btn-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.btn-title {
    font-size: 1.125rem;
    font-weight: 700;
}

.btn-description {
    font-size: 0.875rem;
    opacity: 0.9;
}

.btn-arrow {
    font-size: 1.25rem;
    transition: transform var(--transition-base);
}

.btn:hover .btn-arrow {
    transform: translateX(4px);
}

/* Action Buttons */
.btn-action {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    border-radius: var(--radius-md);
    background: var(--primary-red);
    color: var(--white);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.btn-action:hover {
    background: var(--primary-red-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.action-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* ==========================================
   6. FORM ELEMENTS
   ========================================== */

/* Form Grid */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

/* Input Group */
.input-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.input-group.full-width {
    grid-column: 1 / -1;
}

.input-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.input-group label i {
    color: var(--primary-red);
}

/* Modal Input */
.modal-input {
    padding: 0.75rem 1rem;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--gray-900);
    background: var(--white);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    font-family: var(--font-sans);
    width: 100%;
}

.modal-input:focus {
    outline: none;
    border-color: var(--primary-red);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.modal-input:disabled {
    background: var(--gray-100);
    cursor: not-allowed;
    opacity: 0.6;
}

.modal-input::placeholder {
    color: var(--gray-400);
}

/* Textarea */
textarea.modal-input {
    resize: vertical;
    min-height: 100px;
}

/* Select */
select.modal-input {
    cursor: pointer;
    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;
}

/* Password Input */
.password-group {
    position: relative;
}

.password-input-container {
    position: relative;
    display: flex;
    align-items: center;
}

.password-input-container input {
    padding-right: 3rem;
}

.toggle-password {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: var(--gray-500);
    transition: color var(--transition-fast);
    z-index: 10;
}

.toggle-password:hover {
    color: var(--primary-red);
}

/* Checkbox */
.checkbox-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.checkbox-container input[type="checkbox"] {
    width: 1.25rem;
    height: 1.25rem;
    cursor: pointer;
    accent-color: var(--primary-red);
}

.checkbox-label {
    font-size: 0.875rem;
    color: var(--gray-700);
    cursor: pointer;
}

/* Form Actions */
.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--gray-200);
}

/* Filter Controls */
.filter-controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

/* ==========================================
   7. NAVIGATION TABS
   ========================================== */

/* Admin Navigation */
.admin-nav,
.teller-nav,
.tech-nav {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
}

.admin-nav-btn,
.teller-nav-btn,
.tech-nav-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    background: var(--white);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    position: relative;
    overflow: hidden;
}

.admin-nav-btn::before,
.teller-nav-btn::before,
.tech-nav-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(220, 38, 38, 0.1));
    transition: width var(--transition-base);
}

.admin-nav-btn:hover::before,
.teller-nav-btn:hover::before,
.tech-nav-btn:hover::before {
    width: 100%;
}

.admin-nav-btn:hover,
.teller-nav-btn:hover,
.tech-nav-btn:hover {
    border-color: var(--primary-red);
    color: var(--primary-red);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.admin-nav-btn.active,
.teller-nav-btn.active,
.tech-nav-btn.active {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-dark) 100%);
    color: var(--white);
    border-color: var(--primary-red);
    box-shadow: 0 4px 15px rgba(220, 38, 38, 0.3);
}

.admin-nav-btn i,
.teller-nav-btn i,
.tech-nav-btn i {
    font-size: 1rem;
}

/* Tab Content */
.admin-tab,
.teller-tab,
.tech-tab {
    display: none;
    animation: fadeIn 0.3s ease-in;
}

.admin-tab.active,
.teller-tab.active,
.tech-tab.active {
    display: block;
}

.admin-tab h3,
.teller-tab h3,
.tech-tab h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--gray-200);
}

.admin-tab h3 i,
.teller-tab h3 i,
.tech-tab h3 i {
    color: var(--primary-red);
}

/* ==========================================
   8. TABLES
   ========================================== */

/* Table Container */
.data-table-container,
.table-responsive {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    background: var(--white);
    border: 1px solid var(--gray-200);
}

/* Data Table */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.data-table thead {
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-50) 100%);
}

.data-table th {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    font-weight: 700;
    color: var(--gray-900);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--gray-300);
}

.data-table td {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
    color: var(--gray-700);
}

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

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

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

/* Table Actions */
.table-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    gap: var(--spacing-md);
}

/* ==========================================
   9. STATUS BADGES
   ========================================== */

.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-pending {
    background: var(--status-pending-bg);
    color: #92400e;
}

.status-progress {
    background: var(--status-progress-bg);
    color: #1e40af;
}

.status-completed {
    background: var(--status-completed-bg);
    color: #065f46;
}

.status-cancelled {
    background: var(--status-cancelled-bg);
    color: #991b1b;
}

.status-active {
    background: var(--success-light);
    color: #065f46;
}

.status-inactive {
    background: var(--error-light);
    color: #991b1b;
}

/* Role Badge */
.role-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
}

.role-badge.admin {
    background: #fee2e2;
    color: #991b1b;
}

.role-badge.teller {
    background: #dbeafe;
    color: #1e40af;
}

.role-badge.teknisi {
    background: #fef3c7;
    color: #92400e;
}

/* ==========================================
   10. MODAL SYSTEM
   ========================================== */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-modal);
    animation: fadeIn 0.3s ease-in;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.3s ease-in;
}

.modal-content {
    position: relative;
    background: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease-out;
    z-index: var(--z-modal);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-xl);
    border-bottom: 2px solid var(--gray-200);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
}

.modal-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.modal-header h3 i {
    color: var(--primary-red);
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-200);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1.25rem;
    color: var(--gray-700);
    cursor: pointer;
    transition: all var(--transition-base);
}

.modal-close:hover {
    background: var(--error);
    color: var(--white);
    transform: rotate(90deg);
}

.modal-body {
    padding: var(--spacing-xl);
    max-height: 60vh;
    overflow-y: auto;
}

/* Custom Scrollbar for Modal */
.modal-body::-webkit-scrollbar {
    width: 8px;
}

.modal-body::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: var(--radius-md);
}

.modal-body::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: var(--radius-md);
}

.modal-body::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    padding: var(--spacing-xl);
    border-top: 1px solid var(--gray-200);
    background: var(--gray-50);
}

/* ==========================================
   11. STATS & DASHBOARD
   ========================================== */

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

/* Stat Card */
.stat-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-red) 0%, var(--primary-red-dark) 100%);
}

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

.stat-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-red-light) 0%, rgba(220, 38, 38, 0.1) 100%);
    border-radius: var(--radius-xl);
    font-size: 1.75rem;
    color: var(--primary-red);
}

.stat-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    font-weight: 500;
}

/* Charts Grid */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

/* Chart Card */
.chart-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
}

.chart-card h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--gray-200);
}

.chart-card canvas {
    max-height: 300px;
}

/* Recent Transactions */
.recent-transactions {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
}

.recent-transactions h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.recent-transactions h4 i {
    color: var(--primary-red);
}

/* ==========================================
   12. DETAIL SECTIONS
   ========================================== */

/* Transaction Details */
.transaction-details,
.repair-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--gray-200);
    margin-bottom: var(--spacing-lg);
}

.detail-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
}

.detail-grid {
    display: grid;
    gap: var(--spacing-xl);
}

.detail-section {
    background: var(--gray-50);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

.detail-section h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.detail-section h4 i {
    color: var(--primary-red);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--gray-200);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-row label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
}

.detail-row span {
    font-size: 0.875rem;
    color: var(--gray-900);
    text-align: right;
}

.detail-row.full-width {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.total-price {
    font-size: 1.25rem !important;
    font-weight: 700 !important;
    color: var(--primary-red) !important;
}

/* ==========================================
   13. ITEMS LIST (Manual & Sparepart)
   ========================================== */

/* Items List */
.items-list,
.manual-items-list,
.sparepart-items-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

/* Manual Item */
.manual-item,
.sparepart-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    gap: var(--spacing-md);
}

.manual-item:hover,
.sparepart-item:hover {
    background: var(--gray-50);
    border-color: var(--primary-red);
    box-shadow: var(--shadow-sm);
}

.item-name {
    flex: 1;
    font-weight: 600;
    color: var(--gray-900);
}

.item-details {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.item-total {
    font-weight: 700;
    color: var(--primary-red);
}

/* Remove Item Button */
.remove-item-btn,
.remove-sparepart-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--error-light);
    border: none;
    border-radius: var(--radius-md);
    color: var(--error);
    cursor: pointer;
    transition: all var(--transition-base);
}

.remove-item-btn:hover,
.remove-sparepart-btn:hover {
    background: var(--error);
    color: var(--white);
    transform: scale(1.1);
}

/* Manual Items Section */
.manual-items-section,
.sparepart-items-section {
    background: var(--gray-50);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

.manual-item-row,
.sparepart-item-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr auto;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.manual-items-total,
.sparepart-items-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-md);
    font-weight: 700;
    color: var(--gray-900);
    margin-top: var(--spacing-md);
    border: 2px solid var(--primary-red-light);
}

.manual-items-total span,
.sparepart-items-total span {
    color: var(--primary-red);
    font-size: 1.125rem;
}

/* Item Row (for editing) */
.item-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
}

.item-row:last-child {
    margin-bottom: 0;
}

/* Device Items (Multiple Devices) */
.multi-device-section {
    background: var(--gray-50);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

.device-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.device-item,
.device-item-detail {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    gap: var(--spacing-md);
}

.device-item:hover {
    border-color: var(--primary-red);
    box-shadow: var(--shadow-sm);
}

.device-info {
    flex: 1;
}

.device-info strong {
    color: var(--gray-900);
    font-weight: 600;
}

.device-info small {
    color: var(--gray-600);
}

.device-number {
    font-weight: 700;
    color: var(--primary-red);
    margin-bottom: var(--spacing-xs);
}

.remove-device-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--error-light);
    border: none;
    border-radius: var(--radius-md);
    color: var(--error);
    cursor: pointer;
    transition: all var(--transition-base);
}

.remove-device-btn:hover {
    background: var(--error);
    color: var(--white);
    transform: scale(1.1);
}

.device-item-row {
    display: grid;
    grid-template-columns: 1.5fr 1.5fr 1fr auto;
    gap: var(--spacing-sm);
}

/* ==========================================
   14. REPORTS
   ========================================== */

/* Report Controls */
.report-controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

.custom-date-range {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

/* Report Results */
.report-results {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.report-summary {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
}

.report-summary h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-lg);
}

.summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.summary-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.summary-card:hover {
    border-color: var(--primary-red);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.summary-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-red);
    margin-bottom: var(--spacing-sm);
}

.summary-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    text-align: center;
    font-weight: 500;
}

.report-details {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
}

.report-details h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-lg);
}

.report-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

/* ==========================================
   15. NOTIFICATIONS
   ========================================== */

.notification-container {
    position: fixed;
    top: var(--spacing-xl);
    right: var(--spacing-xl);
    z-index: var(--z-tooltip);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-width: 400px;
}

.notification {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border-left: 4px solid;
    padding: var(--spacing-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    position: relative;
    overflow: hidden;
    transform: translateX(400px);
    opacity: 0;
    transition: all var(--transition-base);
}

.notification.show {
    transform: translateX(0);
    opacity: 1;
}

.notification.hide {
    transform: translateX(400px);
    opacity: 0;
}

.notification-content {
    flex: 1;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.notification-icon {
    font-size: 1.25rem;
    margin-top: 2px;
}

.notification-message {
    flex: 1;
    font-size: 0.875rem;
    color: var(--gray-900);
    line-height: 1.5;
}

.notification-close {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    font-size: 1.25rem;
    color: var(--gray-500);
    cursor: pointer;
    transition: color var(--transition-fast);
    flex-shrink: 0;
}

.notification-close:hover {
    color: var(--gray-900);
}

.notification-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: currentColor;
    transform-origin: left;
    transition: transform linear;
}

/* Notification Types */
.notification-success {
    border-left-color: var(--success);
}

.notification-success .notification-icon {
    color: var(--success);
}

.notification-success .notification-progress {
    background: var(--success);
}

.notification-error {
    border-left-color: var(--error);
}

.notification-error .notification-icon {
    color: var(--error);
}

.notification-error .notification-progress {
    background: var(--error);
}

.notification-warning {
    border-left-color: var(--warning);
}

.notification-warning .notification-icon {
    color: var(--warning);
}

.notification-warning .notification-progress {
    background: var(--warning);
}

.notification-info {
    border-left-color: var(--info);
}

.notification-info .notification-icon {
    color: var(--info);
}

.notification-info .notification-progress {
    background: var(--info);
}

/* ==========================================
   16. INFO SECTION (Footer Area)
   ========================================== */

.info-section {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

.info-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--gray-700);
}

.info-item i {
    color: var(--primary-red);
    font-size: 1rem;
}

/* Card Footer */
.card-footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
    border-top: 2px solid var(--gray-200);
    text-align: center;
}

.card-footer p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--gray-600);
    font-weight: 500;
}

/* ==========================================
   17. UTILITY CLASSES
   ========================================== */

/* Text Utilities */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-left {
    text-align: left;
}

/* Display Utilities */
.d-none {
    display: none !important;
}

.d-block {
    display: block !important;
}

.d-flex {
    display: flex !important;
}

.d-grid {
    display: grid !important;
}

/* Spacing Utilities */
.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: var(--spacing-xs) !important; }
.mt-2 { margin-top: var(--spacing-sm) !important; }
.mt-3 { margin-top: var(--spacing-md) !important; }
.mt-4 { margin-top: var(--spacing-lg) !important; }
.mt-5 { margin-top: var(--spacing-xl) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: var(--spacing-xs) !important; }
.mb-2 { margin-bottom: var(--spacing-sm) !important; }
.mb-3 { margin-bottom: var(--spacing-md) !important; }
.mb-4 { margin-bottom: var(--spacing-lg) !important; }
.mb-5 { margin-bottom: var(--spacing-xl) !important; }

/* No Data Message */
.no-data {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--gray-500);
    font-size: 1rem;
}

/* ==========================================
   18. ANIMATIONS
   ========================================== */

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideDown {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes scaleIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

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

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* ==========================================
   19. LOADING STATES
   ========================================== */

.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.6;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 24px;
    height: 24px;
    margin: -12px 0 0 -12px;
    border: 3px solid var(--gray-300);
    border-top-color: var(--primary-red);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s ease-in-out infinite;
    border-radius: var(--radius-md);
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ==========================================
   20. RESPONSIVE DESIGN
   ========================================== */

/* Large Tablets and Small Desktops */
@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .charts-grid {
        grid-template-columns: 1fr;
    }
    
    .admin-nav,
    .teller-nav,
    .tech-nav {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
}

/* Tablets */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .main-container {
        padding: var(--spacing-md);
    }
    
    .company-header {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .logo {
        flex-direction: column;
    }
    
    .company-logo {
        width: 56px;
        height: 56px;
    }
    
    .company-name {
        font-size: 1.5rem;
    }
    
    .login-section {
        padding: var(--spacing-xl);
    }
    
    .login-title {
        font-size: 1.5rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-card {
        padding: var(--spacing-lg);
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-controls {
        grid-template-columns: 1fr;
    }
    
    .admin-nav,
    .teller-nav,
    .tech-nav {
        grid-template-columns: 1fr;
    }
    
    .table-actions {
        flex-direction: column;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .modal-content {
        width: 95%;
        max-height: 95vh;
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: var(--spacing-lg);
    }
    
    .notification-container {
        left: var(--spacing-md);
        right: var(--spacing-md);
        top: var(--spacing-md);
        max-width: none;
    }
    
    .info-section {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .manual-item-row,
    .sparepart-item-row {
        grid-template-columns: 1fr;
    }
    
    .device-item-row {
        grid-template-columns: 1fr;
    }
}

/* Mobile Phones */
@media (max-width: 480px) {
    html {
        font-size: 13px;
    }
    
    .company-header {
        padding: var(--spacing-lg);
    }
    
    .company-logo {
        width: 48px;
        height: 48px;
    }
    
    .company-name {
        font-size: 1.25rem;
    }
    
    .company-tagline {
        font-size: 0.75rem;
    }
    
    .login-section {
        padding: var(--spacing-lg);
    }
    
    .login-title {
        font-size: 1.25rem;
    }
    
    .btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.875rem;
    }
    
    .btn-teller,
    .btn-teknisi {
        padding: var(--spacing-md);
    }
    
    .btn-icon {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }
    
    .btn-title {
        font-size: 1rem;
    }
    
    .btn-description {
        font-size: 0.75rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    .data-table {
        font-size: 0.75rem;
    }
    
    .data-table th,
    .data-table td {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    /* Responsive Table */
    .data-table thead {
        display: none;
    }
    
    .data-table tbody tr {
        display: block;
        margin-bottom: var(--spacing-lg);
        border: 1px solid var(--gray-200);
        border-radius: var(--radius-md);
        padding: var(--spacing-md);
    }
    
    .data-table tbody td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: var(--spacing-sm) 0;
        border: none;
        border-bottom: 1px solid var(--gray-200);
    }
    
    .data-table tbody td:last-child {
        border-bottom: none;
    }
    
    .data-table tbody td::before {
        content: attr(data-label);
        font-weight: 700;
        color: var(--gray-700);
        flex-shrink: 0;
        margin-right: var(--spacing-md);
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions .btn {
        width: 100%;
    }
    
    .modal-footer {
        flex-direction: column;
    }
    
    .modal-footer .btn {
        width: 100%;
    }
    
    .report-actions {
        flex-direction: column;
    }
    
    .report-actions .btn {
        width: 100%;
    }
    
    .summary-cards {
        grid-template-columns: 1fr;
    }
}

/* ==========================================
   21. PRINT STYLES
   ========================================== */

@media print {
    * {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
    
    body {
        background: white;
    }
    
    .main-container {
        padding: 0;
    }
    
    .company-header,
    .login-section,
    .btn,
    .modal-close,
    .modal-footer,
    .filter-controls,
    .table-actions,
    .action-buttons {
        display: none !important;
    }
    
    .teaching-factory-card {
        box-shadow: none;
        border: none;
    }
    
    .data-table {
        page-break-inside: avoid;
    }
    
    .data-table thead {
        display: table-header-group;
    }
    
    .stat-card,
    .chart-card,
    .report-summary {
        page-break-inside: avoid;
    }
}

/* ==========================================
   22. DARK MODE SUPPORT (Optional)
   ========================================== */

@media (prefers-color-scheme: dark) {
    /* You can add dark mode styles here if needed */
    /* For now, the system uses light mode only */
}

/* ==========================================
   23. CUSTOM SCROLLBAR
   ========================================== */

/* Webkit browsers (Chrome, Safari, Edge) */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: var(--radius-md);
    border: 2px solid var(--gray-100);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}

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

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--gray-400) var(--gray-100);
}

/* ==========================================
   24. FOCUS STATES (Accessibility)
   ========================================== */

*:focus {
    outline: none;
}

.btn:focus-visible,
.modal-input:focus-visible,
.admin-nav-btn:focus-visible,
.teller-nav-btn:focus-visible,
.tech-nav-btn:focus-visible {
    outline: 2px solid var(--primary-red);
    outline-offset: 2px;
}

.modal-close:focus-visible {
    outline: 2px solid var(--error);
    outline-offset: 2px;
}

/* ==========================================
   25. HOVER EFFECTS & INTERACTIONS
   ========================================== */

/* Smooth hover transitions */
a,
button,
input,
select,
textarea {
    transition: all var(--transition-base);
}

/* Interactive elements scale */
.btn:active,
.btn-action:active {
    transform: scale(0.98);
}

/* Card hover effects */
.stat-card:hover .stat-icon {
    transform: scale(1.1) rotate(5deg);
}

/* Table row interactive */
.data-table tbody tr {
    cursor: pointer;
}

/* Link underline animation */
a {
    position: relative;
}

a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-red);
    transition: width var(--transition-base);
}

a:hover::after {
    width: 100%;
}

/* ==========================================
   26. SPECIAL COMPONENTS
   ========================================== */

/* Empty State */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl);
    text-align: center;
}

.empty-state-icon {
    font-size: 4rem;
    color: var(--gray-300);
    margin-bottom: var(--spacing-lg);
}

.empty-state-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.empty-state-description {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
}

/* Alert Box */
.alert {
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border-left: 4px solid;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.alert-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.alert-description {
    font-size: 0.875rem;
}

.alert-success {
    background: var(--success-light);
    border-left-color: var(--success);
    color: #065f46;
}

.alert-warning {
    background: var(--warning-light);
    border-left-color: var(--warning);
    color: #92400e;
}

.alert-error {
    background: var(--error-light);
    border-left-color: var(--error);
    color: #991b1b;
}

.alert-info {
    background: var(--info-light);
    border-left-color: var(--info);
    color: #1e40af;
}

/* Tooltip */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip .tooltip-text {
    visibility: hidden;
    width: 200px;
    background-color: var(--gray-900);
    color: var(--white);
    text-align: center;
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    position: absolute;
    z-index: var(--z-tooltip);
    bottom: 125%;
    left: 50%;
    margin-left: -100px;
    opacity: 0;
    transition: opacity var(--transition-base);
    font-size: 0.75rem;
}

.tooltip .tooltip-text::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: var(--gray-900) transparent transparent transparent;
}

.tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary {
    background: var(--primary-red-light);
    color: var(--primary-red-dark);
}

.badge-secondary {
    background: var(--gray-200);
    color: var(--gray-700);
}

.badge-success {
    background: var(--success-light);
    color: #065f46;
}

.badge-warning {
    background: var(--warning-light);
    color: #92400e;
}

.badge-danger {
    background: var(--error-light);
    color: #991b1b;
}

/* Progress Bar */
.progress {
    width: 100%;
    height: 8px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-red) 0%, var(--primary-red-dark) 100%);
    border-radius: var(--radius-full);
    transition: width 0.3s ease;
}

.progress-bar-success {
    background: linear-gradient(90deg, var(--success) 0%, #059669 100%);
}

.progress-bar-warning {
    background: linear-gradient(90deg, var(--warning) 0%, var(--tech-yellow-dark) 100%);
}

.progress-bar-danger {
    background: linear-gradient(90deg, var(--error) 0%, #dc2626 100%);
}

/* Divider */
.divider {
    height: 1px;
    background: var(--gray-200);
    margin: var(--spacing-xl) 0;
}

.divider-vertical {
    width: 1px;
    height: 100%;
    background: var(--gray-200);
    margin: 0 var(--spacing-xl);
}

/* Chips / Tags */
.chip {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.375rem 0.75rem;
    background: var(--gray-100);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    transition: all var(--transition-base);
}

.chip:hover {
    background: var(--gray-200);
    border-color: var(--gray-400);
}

.chip-remove {
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-300);
    border-radius: 50%;
    cursor: pointer;
    font-size: 0.625rem;
    transition: all var(--transition-fast);
}

.chip-remove:hover {
    background: var(--error);
    color: var(--white);
}

/* ==========================================
   27. ENHANCED FORM STYLES
   ========================================== */

/* Form Section */
.form-section {
    margin-bottom: var(--spacing-2xl);
}

.form-section-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--gray-200);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.form-section-title i {
    color: var(--primary-red);
}

/* Radio & Checkbox Group */
.radio-group,
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.radio-item,
.checkbox-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--white);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
}

.radio-item:hover,
.checkbox-item:hover {
    border-color: var(--primary-red);
    background: var(--gray-50);
}

.radio-item input[type="radio"],
.checkbox-item input[type="checkbox"] {
    width: 1.25rem;
    height: 1.25rem;
    cursor: pointer;
    accent-color: var(--primary-red);
}

.radio-item label,
.checkbox-item label {
    flex: 1;
    cursor: pointer;
    margin: 0;
}

/* Input with Icon */
.input-with-icon {
    position: relative;
}

.input-with-icon i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-500);
}

.input-with-icon input {
    padding-left: 2.5rem;
}

/* File Upload */
.file-upload {
    position: relative;
}

.file-upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    background: var(--gray-50);
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
}

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

.file-upload-icon {
    font-size: 3rem;
    color: var(--gray-400);
    margin-bottom: var(--spacing-md);
}

.file-upload-text {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.file-upload input[type="file"] {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    overflow: hidden;
}

/* ==========================================
   28. PAGINATION
   ========================================== */

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
}

.pagination-item {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    cursor: pointer;
    transition: all var(--transition-base);
}

.pagination-item:hover {
    border-color: var(--primary-red);
    color: var(--primary-red);
}

.pagination-item.active {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-dark) 100%);
    color: var(--white);
    border-color: var(--primary-red);
}

.pagination-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* ==========================================
   29. BREADCRUMB
   ========================================== */

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    font-size: 0.875rem;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--gray-600);
}

.breadcrumb-item a {
    color: var(--primary-red);
    text-decoration: none;
}

.breadcrumb-item a:hover {
    text-decoration: underline;
}

.breadcrumb-item.active {
    color: var(--gray-900);
    font-weight: 600;
}

.breadcrumb-separator {
    color: var(--gray-400);
}

/* ==========================================
   30. DROPDOWN MENU
   ========================================== */

.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.5rem 1rem;
    background: var(--white);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
}

.dropdown-toggle:hover {
    border-color: var(--primary-red);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: var(--spacing-xs);
    min-width: 200px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-dropdown);
    display: none;
    overflow: hidden;
}

.dropdown.active .dropdown-menu {
    display: block;
    animation: slideDown 0.2s ease-out;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--gray-700);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--gray-50);
    color: var(--primary-red);
}

.dropdown-divider {
    height: 1px;
    background: var(--gray-200);
    margin: var(--spacing-xs) 0;
}

/* ==========================================
   31. FINAL TOUCHES
   ========================================== */

/* Selection Color */
::selection {
    background: var(--primary-red-light);
    color: var(--primary-red-dark);
}

::-moz-selection {
    background: var(--primary-red-light);
    color: var(--primary-red-dark);
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Remove number input spinners */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type="number"] {
    -moz-appearance: textfield;
}

/* Prevent text selection on buttons */
button,
.btn {
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .btn,
    .modal-input,
    .data-table {
        border-width: 2px;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}