/*==============================================
# THEME: DARK MODERN
# Colors: #1a1a1a (bg), #cade3d (neon green)
# Fonts: Satoshi (headings), Poppins (body)
==============================================*/

/* Import Fonts */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');
@import url('https://api.fontshare.com/v2/css?f[]=satoshi@700,500,400&display=swap');

/*==============================================
# CSS Variables
==============================================*/
:root {
    /* Colors */
    --bg-primary: #1a1a1a;
    --bg-secondary: #111111;
    --bg-card: #242424;
    --bg-input: #2a2a2a;
    --neon-green: #cade3d;
    --neon-green-dim: rgba(202, 222, 61, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #808080;
    --border-color: #333333;
    --border-light: #404040;
    
    /* Status Colors */
    --success: #cade3d;
    --success-bg: rgba(202, 222, 61, 0.1);
    --warning: #ffb347;
    --warning-bg: rgba(255, 179, 71, 0.1);
    --danger: #ff6b6b;
    --danger-bg: rgba(255, 107, 107, 0.1);
    --info: #4ecdc4;
    --info-bg: rgba(78, 205, 196, 0.1);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-neon: 0 4px 12px rgba(202, 222, 61, 0.3);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

/*==============================================
# Reset & Base Styles
==============================================*/
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Satoshi', sans-serif;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

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(--spacing-sm);
    color: var(--text-secondary);
}

a {
    color: var(--neon-green);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: #b8cc35;
}

/*==============================================
# Layout
==============================================*/
.wrapper {
    display: flex;
    min-height: 100vh;
    position: relative;
}

.main-content {
    flex: 1;
    margin-left: 280px;
    padding: var(--spacing-md);
    transition: margin var(--transition-normal);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Grid */
.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Flex */
.flex {
    display: flex;
    gap: var(--spacing-sm);
}

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

.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/*==============================================
# Sidebar
==============================================*/
.sidebar {
    width: 280px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    transition: transform var(--transition-normal);
    z-index: 1000;
}

.sidebar-logo {
    padding: var(--spacing-lg);
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-logo img {
    max-width: 160px;
    height: auto;
}

.sidebar-menu {
    padding: var(--spacing-md) 0;
}

.sidebar-menu-item {
    padding: var(--spacing-sm) var(--spacing-lg);
    display: flex;
    align-items: center;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
    margin: 2px 0;
}

.sidebar-menu-item:hover,
.sidebar-menu-item.active {
    background: var(--neon-green-dim);
    color: var(--neon-green);
    border-left-color: var(--neon-green);
}

.sidebar-menu-item i {
    width: 24px;
    margin-right: var(--spacing-sm);
    font-size: 1.2rem;
}

.sidebar-menu-item span {
    font-size: 0.95rem;
    font-weight: 500;
}

/*==============================================
# Top Navigation
==============================================*/
.top-nav {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.page-title {
    font-size: 1.5rem;
    margin: 0;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--neon-green) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--neon-green-dim);
    border: 2px solid var(--neon-green);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--neon-green);
    font-size: 1.2rem;
}

.user-name {
    color: var(--text-primary);
    font-weight: 500;
}

/*==============================================
# Cards
==============================================*/
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: 1.25rem;
    margin: 0;
    color: var(--text-primary);
}

.card-body {
    color: var(--text-secondary);
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all var(--transition-normal);
}

.stat-card:hover {
    border-color: var(--neon-green);
    transform: translateY(-2px);
    box-shadow: var(--shadow-neon);
}

.stat-icon {
    width: 70px;
    height: 70px;
    border-radius: var(--radius-md);
    background: var(--neon-green-dim);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon i {
    font-size: 2.5rem;
    color: var(--neon-green);
}

.stat-content h3 {
    font-size: 2rem;
    margin: 0;
    line-height: 1.2;
    color: var(--text-primary);
}

.stat-content p {
    color: var(--text-muted);
    margin: 0;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/*==============================================
# Buttons
==============================================*/
.btn {
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    line-height: 1;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-primary {
    background: var(--neon-green);
    color: var(--bg-primary);
    font-weight: 600;
}

.btn-primary:hover {
    background: #b8cc35;
    transform: translateY(-2px);
    box-shadow: var(--shadow-neon);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover {
    border-color: var(--neon-green);
    color: var(--neon-green);
    background: var(--neon-green-dim);
}

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

.btn-warning {
    background: var(--warning);
    color: var(--bg-primary);
}

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

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

/*==============================================
# Forms
==============================================*/
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: 'Poppins', sans-serif;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--neon-green);
    box-shadow: 0 0 0 3px var(--neon-green-dim);
}

.form-control::placeholder {
    color: #4a4a4a;
}

select.form-control {
    cursor: pointer;
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

.input-group {
    display: flex;
    align-items: center;
}

.input-group-text {
    padding: 0.75rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    color: var(--neon-green);
}

.input-group .form-control {
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    border-left: none;
}

/*==============================================
# Tables
==============================================*/
.table-responsive {
    overflow-x: auto;
    border-radius: var(--radius-md);
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.table th {
    text-align: left;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border-color);
}

.table td {
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.table tbody tr:hover {
    background: var(--neon-green-dim);
}

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

/*==============================================
# Badges
==============================================*/
.badge {
    padding: 0.35rem 0.75rem;
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 500;
    display: inline-block;
    text-align: center;
}

.badge-success {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid var(--success);
}

.badge-warning {
    background: var(--warning-bg);
    color: var(--warning);
    border: 1px solid var(--warning);
}

.badge-danger {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid var(--danger);
}

.badge-info {
    background: var(--info-bg);
    color: var(--info);
    border: 1px solid var(--info);
}

/*==============================================
# Alerts
==============================================*/
.alert {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    border-left: 4px solid transparent;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.alert i {
    font-size: 1.2rem;
}

.alert-success {
    background: var(--success-bg);
    border-left-color: var(--success);
    color: var(--text-primary);
}

.alert-danger {
    background: var(--danger-bg);
    border-left-color: var(--danger);
    color: var(--text-primary);
}

.alert-warning {
    background: var(--warning-bg);
    border-left-color: var(--warning);
    color: var(--text-primary);
}

.alert-info {
    background: var(--info-bg);
    border-left-color: var(--info);
    color: var(--text-primary);
}

/*==============================================
# Progress Bar
==============================================*/
.progress {
    height: 8px;
    background: var(--bg-input);
    border-radius: 4px;
    overflow: hidden;
    margin: var(--spacing-xs) 0;
}

.progress-bar {
    height: 100%;
    background: var(--neon-green);
    border-radius: 4px;
    transition: width var(--transition-normal);
}

/*==============================================
# Task Items
==============================================*/
.task-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    transition: all var(--transition-fast);
}

.task-item:hover {
    border-color: var(--neon-green);
    transform: translateX(4px);
}

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

.task-title {
    font-weight: 600;
    color: var(--text-primary);
}

.task-meta {
    display: flex;
    gap: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--text-muted);
}

/*==============================================
# QR Scanner
==============================================*/
.qr-scanner {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    text-align: center;
}

.qr-scanner video {
    border-radius: var(--radius-md);
    max-width: 100%;
    border: 2px solid var(--border-color);
}

/*==============================================
# Login Page
==============================================*/
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    padding: var(--spacing-sm);
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    width: 100%;
    max-width: 440px;
    box-shadow: var(--shadow-lg);
}

.login-logo {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.login-logo img {
    max-width: 180px;
}

.login-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.login-title h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--neon-green) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.login-title p {
    color: var(--text-muted);
}

/*==============================================
# Modal
==============================================*/
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

.modal-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    margin: 0;
    font-size: 1.25rem;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--danger);
}

.modal-body {
    padding: var(--spacing-md);
}

.modal-footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
}

/*==============================================
# Dropdown
==============================================*/
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    min-width: 200px;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    display: none;
}

.dropdown.active .dropdown-menu {
    display: block;
}

.dropdown-item {
    padding: var(--spacing-sm) var(--spacing-md);
    display: block;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--neon-green-dim);
    color: var(--neon-green);
}

/*==============================================
# Pagination
==============================================*/
.pagination {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
}

.page-item {
    list-style: none;
}

.page-link {
    display: block;
    padding: 0.5rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.page-link:hover,
.page-item.active .page-link {
    background: var(--neon-green);
    color: var(--bg-primary);
    border-color: var(--neon-green);
}

/*==============================================
# Loading Spinner
==============================================*/
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--neon-green);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.spinner-sm {
    width: 20px;
    height: 20px;
    border-width: 2px;
}

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

/*==============================================
# Mobile Menu Toggle
==============================================*/
.menu-toggle {
    display: none;
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 1001;
    background: var(--neon-green);
    color: var(--bg-primary);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: none;
    font-size: 1.2rem;
}

/*==============================================
# Responsive Design
==============================================*/
@media (max-width: 1200px) {
    .grid-4 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 992px) {
    .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
    
    .main-content {
        margin-left: 0;
    }
    
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .menu-toggle {
        display: flex;
    }
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    
    .top-nav {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
        padding: var(--spacing-sm);
    }
    
    .user-info {
        width: 100%;
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .login-card {
        padding: var(--spacing-lg);
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    
    .table td, .table th {
        padding: var(--spacing-xs);
        font-size: 0.9rem;
    }
    
    .btn {
        padding: 0.6rem 1.2rem;
    }
}

@media (max-width: 576px) {
    .main-content {
        padding: var(--spacing-sm);
    }
    
    .card {
        padding: var(--spacing-sm);
    }
    
    .stat-icon {
        width: 50px;
        height: 50px;
    }
    
    .stat-icon i {
        font-size: 1.5rem;
    }
    
    .stat-content h3 {
        font-size: 1.5rem;
    }
}

/*==============================================
# Print Styles
==============================================*/
@media print {
    .sidebar,
    .top-nav,
    .menu-toggle,
    .btn,
    .no-print {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0 !important;
        padding: 0 !important;
    }
    
    .card {
        break-inside: avoid;
        border: 1px solid #000;
        box-shadow: none;
    }
    
    body {
        background: white;
        color: black;
    }
}

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

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--neon-green);
}

/*==============================================
# Utility Classes
==============================================*/
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-green { color: var(--neon-green); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }

.bg-primary { background: var(--bg-primary); }
.bg-secondary { background: var(--bg-secondary); }
.bg-card { background: var(--bg-card); }
.bg-green-dim { background: var(--neon-green-dim); }

.m-0 { margin: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

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

.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }

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

.w-100 { width: 100%; }
.h-100 { height: 100%; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.gap-1 { gap: var(--spacing-xs); }
.gap-2 { gap: var(--spacing-sm); }
.gap-3 { gap: var(--spacing-md); }