/* public/css/custom.css - Modern UI Styles */

/* ============================================
   ROOT VARIABLES
   ============================================ */
:root {
    --primary-color: #dc3545;
    --primary-dark: #c82333;
    --primary-light: #e74c5c;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --info-color: #17a2b8;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --gradient-primary: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
    --gradient-info: linear-gradient(135deg, #17a2b8 0%, #138496 100%);
    --gradient-success: linear-gradient(135deg, #28a745 0%, #1e7e34 100%);
    --gradient-warning: linear-gradient(135deg, #ffc107 0%, #e0a800 100%);
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 25px rgba(0,0,0,0.15);
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --transition: all 0.3s ease;
}

/* ============================================
   SIDEBAR STYLES - WHITE THEME
   ============================================ */
.main-sidebar {
    background: #ffffff !important;
    box-shadow: 2px 0 10px rgba(0,0,0,0.05);
    border-right: 1px solid #f1f1f1;
}

.main-sidebar .nav-sidebar > .nav-item > .nav-link {
    color: #495057 !important;
    border-radius: var(--border-radius-sm);
    margin: 4px 12px;
    transition: var(--transition);
    font-weight: 400;
    font-size: 0.9rem;
}

.main-sidebar .nav-sidebar > .nav-item > .nav-link:hover {
    background-color: rgba(220, 53, 69, 0.08) !important;
    color: var(--primary-color) !important;
}

.main-sidebar .nav-sidebar > .nav-item > .nav-link.active {
    background: var(--gradient-primary) !important;
    color: #ffffff !important;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(220, 53, 69, 0.3);
}

.main-sidebar .nav-sidebar > .nav-item > .nav-link.active i {
    color: #ffffff !important;
}

.main-sidebar .nav-sidebar .nav-icon {
    color: #6c757d;
    transition: var(--transition);
}

.main-sidebar .nav-sidebar > .nav-item > .nav-link:hover .nav-icon {
    color: var(--primary-color);
}

.main-sidebar .nav-treeview > .nav-item > .nav-link {
    color: #6c757d !important;
    padding-left: 2.5rem;
}

.main-sidebar .nav-treeview > .nav-item > .nav-link:hover {
    color: var(--primary-color) !important;
    background-color: rgba(220, 53, 69, 0.05) !important;
}

.main-sidebar .nav-treeview > .nav-item > .nav-link.active {
    color: var(--primary-color) !important;
    background-color: rgba(220, 53, 69, 0.1) !important;
    font-weight: 500;
}

/* Brand Link */
.brand-link {
    border-bottom: 1px solid #f1f1f1 !important;
    background: #ffffff !important;
    padding: 1rem !important;
}

.brand-link .brand-text {
    color: var(--primary-color) !important;
    font-weight: 600 !important;
}

.brand-link .brand-image {
    margin-right: 0.5rem;
}

/* Sidebar User Panel */
.user-panel {
    border-bottom: 1px solid #f1f1f1 !important;
}

.user-panel .info a {
    color: #343a40 !important;
    font-weight: 400;
}

/* Nav Header */
.nav-header {
    color: #adb5bd !important;
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 1rem 1.5rem 0.5rem;
}

/* Sidebar Mini */
.sidebar-mini.sidebar-collapse .main-sidebar:hover {
    width: 250px;
}

/* ============================================
   NAVBAR STYLES
   ============================================ */
.main-header.navbar {
    background: #ffffff;
    border-bottom: 1px solid #f1f1f1;
    box-shadow: 0 2px 10px rgba(0,0,0,0.03);
}

.main-header .nav-link {
    color: #495057 !important;
}

.main-header .nav-link:hover {
    color: var(--primary-color) !important;
}

/* ============================================
   CARD STYLES
   ============================================ */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    transition: var(--transition);
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.05);
}

.card:hover {
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.card-header {
    background: #ffffff;
    border-bottom: 1px solid #f1f1f1;
    font-weight: 600;
    padding: 1rem 1.25rem;
}

.card-header .card-title {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0;
}

.card-danger .card-header,
.card-danger > .card-header {
    background: var(--gradient-primary);
    color: white;
    border: none;
}

.card-danger .card-header .card-title {
    color: white;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    background: #f8f9fa;
    border-top: 1px solid #f1f1f1;
    padding: 1rem 1.25rem;
}

/* ============================================
   SMALL BOX / STAT CARDS
   ============================================ */
.small-box {
    border-radius: var(--border-radius);
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    transition: var(--transition);
    overflow: hidden;
    position: relative;
}

.small-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.small-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 100%);
    pointer-events: none;
}

.small-box .inner {
    padding: 1.5rem;
}

.small-box .inner h3 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.small-box .inner p {
    font-size: 1rem;
    opacity: 0.9;
}

.small-box .icon {
    font-size: 4rem;
    opacity: 0.2;
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    transition: var(--transition);
}

.small-box:hover .icon {
    opacity: 0.3;
    transform: translateY(-50%) scale(1.1);
}

.small-box.bg-info {
    background: var(--gradient-info) !important;
}

.small-box.bg-success {
    background: var(--gradient-success) !important;
}

.small-box.bg-warning {
    background: var(--gradient-warning) !important;
    color: var(--dark-color);
}

.small-box.bg-danger {
    background: var(--gradient-primary) !important;
}

/* ============================================
   BUTTON STYLES
   ============================================ */
.btn {
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    padding: 0.5rem 1.25rem;
    transition: var(--transition);
    border: none;
}

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

.btn:active {
    transform: translateY(0);
}

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

.btn-primary:hover,
.btn-primary:focus {
    background: linear-gradient(135deg, #c82333 0%, #bd2130 100%);
}

.btn-success {
    background: var(--gradient-success);
}

.btn-info {
    background: var(--gradient-info);
}

.btn-warning {
    background: var(--gradient-warning);
    color: var(--dark-color);
}

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

.btn-secondary {
    background: linear-gradient(135deg, #6c757d 0%, #545b62 100%);
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 0.75rem 2rem;
    font-size: 1.1rem;
}

/* ============================================
   FORM STYLES
   ============================================ */
.form-control {
    border-radius: var(--border-radius-sm);
    border: 2px solid #e9ecef;
    padding: 0.75rem 1rem;
    transition: var(--transition);
    font-size: 0.95rem;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.15);
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px 12px;
    padding-right: 2.5rem;
}

.form-control-file {
    padding: 0.5rem;
    border: 2px dashed #e9ecef;
    border-radius: var(--border-radius-sm);
    background: #f8f9fa;
    transition: var(--transition);
}

.form-control-file:hover {
    border-color: var(--primary-color);
    background: #fff;
}

/* ============================================
   TABLE STYLES
   ============================================ */
.table {
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.table thead th {
    background: #f8f9fa;
    border-bottom: 2px solid #dee2e6;
    font-weight: 600;
    color: #495057;
    padding: 1rem;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
}

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

.table tbody tr:hover {
    background-color: rgba(220, 53, 69, 0.03);
}

.table tbody td {
    padding: 1rem;
    vertical-align: middle;
    border-color: #f1f1f1;
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(0,0,0,0.02);
}

.table-bordered {
    border: none;
}

.table-bordered th,
.table-bordered td {
    border: 1px solid #f1f1f1;
}

/* DataTables Styling */
.dataTables_wrapper {
    padding: 0;
}

.dataTables_wrapper .dataTables_length,
.dataTables_wrapper .dataTables_filter {
    margin-bottom: 1rem;
}

.dataTables_wrapper .dataTables_length select,
.dataTables_wrapper .dataTables_filter input {
    border-radius: var(--border-radius-sm);
    border: 2px solid #e9ecef;
    padding: 0.5rem 0.75rem;
}

.dataTables_wrapper .dataTables_filter input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.15);
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
    border-radius: var(--border-radius-sm) !important;
    margin: 0 2px;
    border: none !important;
    transition: var(--transition);
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: var(--gradient-primary) !important;
    color: white !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    background: #f8f9fa !important;
    color: var(--primary-color) !important;
}

/* ============================================
   ALERT STYLES
   ============================================ */
.alert {
    border: none;
    border-radius: var(--border-radius-sm);
    padding: 1rem 1.25rem;
    box-shadow: var(--shadow-sm);
}

.alert-success {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    color: #155724;
}

.alert-danger {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    color: #721c24;
}

.alert-warning {
    background: linear-gradient(135deg, #fff3cd 0%, #ffeeba 100%);
    color: #856404;
}

.alert-info {
    background: linear-gradient(135deg, #d1ecf1 0%, #bee5eb 100%);
    color: #0c5460;
}

/* ============================================
   BADGE STYLES
   ============================================ */
.badge {
    padding: 0.5rem 1rem;
    font-weight: 500;
    border-radius: 50px;
    font-size: 0.85rem;
}

.badge-primary,
.bg-primary {
    background: var(--gradient-primary) !important;
}

.badge-success,
.bg-success {
    background: var(--gradient-success) !important;
}

.badge-info,
.bg-info {
    background: var(--gradient-info) !important;
}

.badge-warning,
.bg-warning {
    background: var(--gradient-warning) !important;
    color: var(--dark-color) !important;
}

.badge-danger,
.bg-danger {
    background: var(--gradient-primary) !important;
}

/* ============================================
   MODAL STYLES
   ============================================ */
.modal-content {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.modal-header {
    background: var(--gradient-primary);
    color: white;
    border-bottom: none;
    padding: 1.25rem 1.5rem;
}

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

.modal-header .close,
.modal-header .btn-close {
    color: white;
    opacity: 0.8;
    text-shadow: none;
}

.modal-header .close:hover,
.modal-header .btn-close:hover {
    opacity: 1;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid #f1f1f1;
    padding: 1rem 1.5rem;
    background: #f8f9fa;
}

/* ============================================
   CONTENT HEADER
   ============================================ */
.content-header {
    padding: 1rem 0.5rem;
}

.content-header h1 {
    font-weight: 700;
    color: var(--dark-color);
    font-size: 1.5rem;
}

.content-wrapper {
    background: #f4f6f9;
}

/* ============================================
   LOADING ANIMATION
   ============================================ */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255,255,255,0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */
@media (max-width: 768px) {
    .small-box .inner h3 {
        font-size: 1.75rem;
    }

    .small-box .icon {
        font-size: 3rem;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

/* ============================================
   SCROLLBAR STYLES
   ============================================ */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

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

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

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

.rounded-lg {
    border-radius: var(--border-radius) !important;
}

.rounded-sm {
    border-radius: var(--border-radius-sm) !important;
}

/* ============================================
   PAGE HEADER COMPONENT
   ============================================ */
.page-header {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
    border-radius: 16px;
    padding: 1.5rem 2rem;
    color: white;
    margin-bottom: 1.5rem;
}

.page-header h1 {
    font-weight: 700;
    font-size: 1.5rem;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.page-header .breadcrumb-text {
    opacity: 0.9;
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

.page-header .breadcrumb-text a {
    color: white;
    opacity: 0.9;
}

.page-header .breadcrumb-text a:hover {
    opacity: 1;
}

/* ============================================
   BADGE CODE STYLE
   ============================================ */
.badge-code {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
    color: white;
    padding: 0.4rem 0.75rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    font-family: 'Courier New', monospace;
    letter-spacing: 0.5px;
    display: inline-block;
}