/*
 * Water Jar Delivery Management System
 * Custom CSS Styles
 */

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
    /* Primary Colors - Water Theme */
    --primary: #0891b2;
    --primary-light: #22d3ee;
    --primary-dark: #0e7490;
    --primary-gradient: linear-gradient(135deg, #0891b2 0%, #22d3ee 100%);
    
    /* Secondary Colors */
    --secondary: #64748b;
    --secondary-light: #94a3b8;
    --secondary-dark: #475569;
    
    /* Status Colors */
    --success: #10b981;
    --success-light: #34d399;
    --warning: #f59e0b;
    --warning-light: #fbbf24;
    --danger: #ef4444;
    --danger-light: #f87171;
    --info: #3b82f6;
    --info-light: #60a5fa;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Layout */
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 70px;
    --topbar-height: 60px;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    
    /* 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);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition: 300ms ease;
    --transition-slow: 500ms ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-100);
    min-height: 100vh;
}

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

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

/* ============================================
   LOGIN PAGE
   ============================================ */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 50%);
    animation: pulse 15s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-25%, -25%); }
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 40px;
    position: relative;
    z-index: 1;
    animation: slideUp 0.5s ease;
}

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

.login-logo {
    text-align: center;
    margin-bottom: 30px;
}

.login-logo i {
    font-size: 48px;
    color: var(--primary);
    animation: droplet 2s ease-in-out infinite;
}

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

.login-logo h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-800);
    margin-top: 10px;
}

.login-logo p {
    color: var(--gray-500);
    font-size: 14px;
}

/* ============================================
   FORM STYLES
   ============================================ */
.form-floating > .form-control,
.form-floating > .form-select {
    border-radius: var(--border-radius-sm);
    border: 2px solid var(--gray-200);
    padding: 16px;
    height: calc(3.5rem + 4px);
    transition: all var(--transition-fast);
}

.form-floating > .form-control:focus,
.form-floating > .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(8, 145, 178, 0.1);
}

.form-floating > label {
    padding: 16px;
}

.btn-primary {
    background: var(--primary-gradient);
    border: none;
    border-radius: var(--border-radius-sm);
    padding: 12px 24px;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline-primary {
    border: 2px solid var(--primary);
    color: var(--primary);
    border-radius: var(--border-radius-sm);
    padding: 10px 22px;
    font-weight: 600;
    transition: all var(--transition-fast);
}

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

/* ============================================
   SIDEBAR STYLES
   ============================================ */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: transform var(--transition);
}

.sidebar-header {
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--gray-200);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}

.sidebar-logo i {
    font-size: 28px;
}

.sidebar-toggle {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--gray-600);
    cursor: pointer;
    padding: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-fast);
}

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

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 15px 0;
}

.nav-list {
    list-style: none;
    padding: 0 10px;
}

.nav-item {
    margin-bottom: 5px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    color: var(--gray-600);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
    font-weight: 500;
}

.nav-link i {
    font-size: 20px;
    width: 24px;
    text-align: center;
}

.nav-link:hover {
    background: var(--gray-100);
    color: var(--primary);
}

.nav-link.active {
    background: var(--primary-gradient);
    color: var(--white);
}

.nav-link .badge {
    margin-left: auto;
}

.sidebar-footer {
    padding: 15px 20px;
    border-top: 1px solid var(--gray-200);
    background: var(--gray-50);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.user-avatar i {
    font-size: 20px;
    color: var(--white);
}

.user-details {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 600;
    color: var(--gray-800);
    font-size: 14px;
}

.user-role {
    font-size: 12px;
    color: var(--gray-500);
}

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   TOP NAVBAR (MOBILE)
   ============================================ */
.top-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--topbar-height);
    background: var(--white);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 15px;
    z-index: 998;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
}

/* ============================================
   MAIN CONTENT
   ============================================ */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    padding: 30px;
    transition: margin-left var(--transition);
}

.page-header {
    margin-bottom: 30px;
}

.page-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 5px;
}

.page-subtitle {
    color: var(--gray-500);
    font-size: 14px;
}

/* ============================================
   STAT CARDS
   ============================================ */
.stat-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--shadow);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

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

.stat-card.primary::before { background: var(--primary-gradient); }
.stat-card.success::before { background: linear-gradient(135deg, #10b981, #34d399); }
.stat-card.warning::before { background: linear-gradient(135deg, #f59e0b, #fbbf24); }
.stat-card.danger::before { background: linear-gradient(135deg, #ef4444, #f87171); }
.stat-card.info::before { background: linear-gradient(135deg, #3b82f6, #60a5fa); }

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 15px;
}

.stat-icon.primary { background: rgba(8, 145, 178, 0.1); color: var(--primary); }
.stat-icon.success { background: rgba(16, 185, 129, 0.1); color: var(--success); }
.stat-icon.warning { background: rgba(245, 158, 11, 0.1); color: var(--warning); }
.stat-icon.danger { background: rgba(239, 68, 68, 0.1); color: var(--danger); }
.stat-icon.info { background: rgba(59, 130, 246, 0.1); color: var(--info); }

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-800);
    line-height: 1.2;
}

.stat-label {
    color: var(--gray-500);
    font-size: 14px;
    margin-top: 5px;
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: var(--white);
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: all var(--transition);
}

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

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--gray-200);
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-800);
    margin: 0;
}

.card-body {
    padding: 24px;
}

/* ============================================
   TABLES
   ============================================ */
.table-responsive {
    border-radius: var(--border-radius);
    overflow: hidden;
}

.table {
    margin: 0;
}

.table thead th {
    background: var(--gray-50);
    border: none;
    padding: 15px 20px;
    font-weight: 600;
    color: var(--gray-700);
    white-space: nowrap;
}

.table tbody td {
    padding: 15px 20px;
    border-color: var(--gray-200);
    vertical-align: middle;
}

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

/* ============================================
   BADGES
   ============================================ */
.badge {
    padding: 6px 12px;
    font-weight: 500;
    border-radius: 20px;
    font-size: 12px;
}

.badge.bg-success-light { background: rgba(16, 185, 129, 0.1); color: var(--success); }
.badge.bg-warning-light { background: rgba(245, 158, 11, 0.1); color: var(--warning); }
.badge.bg-danger-light { background: rgba(239, 68, 68, 0.1); color: var(--danger); }
.badge.bg-primary-light { background: rgba(8, 145, 178, 0.1); color: var(--primary); }

/* ============================================
   QR SCANNER
   ============================================ */
.qr-scanner-container {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
}

#qr-reader {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    border-radius: var(--border-radius);
    overflow: hidden;
}

#qr-reader video {
    border-radius: var(--border-radius);
}

.scan-result {
    margin-top: 20px;
    padding: 20px;
    background: var(--gray-50);
    border-radius: var(--border-radius-sm);
}

/* ============================================
   QR CODE DISPLAY
   ============================================ */
.qr-code-card {
    text-align: center;
    padding: 30px;
}

.qr-code-card img {
    max-width: 200px;
    border: 5px solid var(--gray-200);
    border-radius: var(--border-radius);
    padding: 10px;
    background: var(--white);
}

/* ============================================
   MODALS
   ============================================ */
.modal-content {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-xl);
}

.modal-header {
    border-bottom: 1px solid var(--gray-200);
    padding: 20px 24px;
}

.modal-title {
    font-weight: 600;
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    border-top: 1px solid var(--gray-200);
    padding: 16px 24px;
}

/* ============================================
   CHARTS
   ============================================ */
.chart-container {
    position: relative;
    height: 300px;
}

/* ============================================
   RESPONSIVE STYLES
   ============================================ */
@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        padding-top: calc(var(--topbar-height) + 20px);
    }
    
    .page-title {
        font-size: 22px;
    }
}

@media (max-width: 575.98px) {
    .main-content {
        padding: 15px;
        padding-top: calc(var(--topbar-height) + 15px);
    }
    
    .login-card {
        padding: 30px 20px;
    }
    
    .stat-card {
        padding: 20px;
    }
    
    .stat-value {
        font-size: 24px;
    }
    
    .card-header {
        padding: 15px 20px;
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
    
    .card-body {
        padding: 20px;
    }
    
    .table thead th,
    .table tbody td {
        padding: 12px 15px;
    }
}

/* ============================================
   UTILITIES
   ============================================ */
.text-primary { color: var(--primary) !important; }
.text-success { color: var(--success) !important; }
.text-warning { color: var(--warning) !important; }
.text-danger { color: var(--danger) !important; }

.bg-primary-soft { background: rgba(8, 145, 178, 0.1) !important; }
.bg-success-soft { background: rgba(16, 185, 129, 0.1) !important; }
.bg-warning-soft { background: rgba(245, 158, 11, 0.1) !important; }
.bg-danger-soft { background: rgba(239, 68, 68, 0.1) !important; }

.rounded-lg { border-radius: var(--border-radius) !important; }
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow { box-shadow: var(--shadow) !important; }
.shadow-md { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }

/* Animations */
.fade-in {
    animation: fadeIn 0.3s ease;
}

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

.slide-up {
    animation: slideUp 0.3s ease;
}

/* Loading spinner */
.spinner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.spinner-border {
    width: 3rem;
    height: 3rem;
    border-width: 4px;
}

/* Print styles */
@media print {
    .sidebar,
    .top-navbar,
    .no-print {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0 !important;
        padding: 0 !important;
    }
}