/* Kenya Railways SMS Dashboard Theme */

:root {
    /* Kenya Railways Brand Colors */
    --kr-primary: #862330;      /* Heritage Maroon */
    --kr-secondary: #f67751;    /* Vibrant Orange */
    --kr-accent: #fedd13;       /* Rail Yellow */
    --kr-light: #f7f1ef;        /* Soft Neutral */
    --kr-dark: #252525;         /* Charcoal */
    --kr-success: #28a745;
    --kr-danger: #dc3545;
    --kr-warning: #ffc107;
    --kr-info: #17a2b8;
    
    /* Spacing */
    --kr-border-radius: 8px;
    --kr-box-shadow: 0 2px 10px rgba(0, 51, 102, 0.1);
    --kr-transition: all 0.3s ease;
}

/* Body and Layout */
body {
    font-family: 'Roboto', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--kr-light);
    color: var(--kr-dark);
    line-height: 1.6;
}

.main-content {
    min-height: calc(100vh - 200px);
    padding-top: 20px;
    padding-bottom: 40px;
}

/* Navigation */
.kr-navbar {
    background: linear-gradient(135deg, var(--kr-primary) 0%, #6d1c27 100%);
    box-shadow: var(--kr-box-shadow);
    border-bottom: 3px solid var(--kr-accent);
}

.kr-brand-text {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--kr-accent) !important;
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    transition: var(--kr-transition);
    border-radius: var(--kr-border-radius);
    margin: 0 2px;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--kr-secondary) !important;
    background-color: rgba(255, 86, 36, 0.15);
}

.dropdown-menu {
    border: none;
    box-shadow: var(--kr-box-shadow);
    border-radius: var(--kr-border-radius);
}

.dropdown-item {
    transition: var(--kr-transition);
}

.dropdown-item:hover {
    background-color: var(--kr-accent);
    color: white;
}

/* Cards and Panels */
.card {
    border: none;
    border-radius: var(--kr-border-radius);
    box-shadow: var(--kr-box-shadow);
    transition: var(--kr-transition);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(134, 35, 48, 0.15);
}

.card-header {
    background: linear-gradient(135deg, var(--kr-primary) 0%, #6d1c27 100%);
    color: white;
    border-bottom: 2px solid var(--kr-accent);
    font-weight: 600;
}

.card-header h5,
.card-header h6 {
    margin-bottom: 0;
    color: white;
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--kr-primary) 0%, #6d1c27 100%);
    border-color: var(--kr-primary);
    font-weight: 500;
    border-radius: var(--kr-border-radius);
    transition: var(--kr-transition);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #6d1c27 0%, var(--kr-primary) 100%);
    border-color: #6d1c27;
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--kr-secondary);
    border-color: var(--kr-secondary);
    color: white;
}

.btn-secondary:hover {
    background-color: #d6451c;
    border-color: #d6451c;
}

.btn-warning {
    background-color: var(--kr-accent);
    border-color: var(--kr-accent);
    color: var(--kr-dark);
    font-weight: 600;
}

.btn-warning:hover {
    background-color: #e3c40f;
    border-color: #e3c40f;
    color: var(--kr-dark);
}

/* Forms */
.form-control,
.form-select {
    border-radius: var(--kr-border-radius);
    border: 2px solid #e0e0e0;
    transition: var(--kr-transition);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--kr-secondary);
    box-shadow: 0 0 0 0.2rem rgba(255, 86, 36, 0.25);
}

.form-label {
    font-weight: 600;
    color: var(--kr-primary);
}

/* Tables */
.table {
    border-radius: var(--kr-border-radius);
    overflow: hidden;
    box-shadow: var(--kr-box-shadow);
}

.table thead th {
    background: linear-gradient(135deg, var(--kr-primary) 0%, #6d1c27 100%);
    color: white;
    border: none;
    font-weight: 600;
}

.table tbody tr:hover {
    background-color: rgba(255, 86, 36, 0.1);
}

/* Alerts */
.alert {
    border: none;
    border-radius: var(--kr-border-radius);
    border-left: 4px solid;
}

.alert-success {
    border-left-color: var(--kr-success);
    background-color: rgba(40, 167, 69, 0.1);
}

.alert-danger {
    border-left-color: var(--kr-danger);
    background-color: rgba(220, 53, 69, 0.1);
}

.alert-warning {
    border-left-color: var(--kr-warning);
    background-color: rgba(255, 193, 7, 0.1);
}

.alert-info {
    border-left-color: var(--kr-info);
    background-color: rgba(23, 162, 184, 0.1);
}

/* Progress bars */
.progress {
    border-radius: var(--kr-border-radius);
    background-color: #e9ecef;
}

.progress-bar {
    background: linear-gradient(135deg, var(--kr-accent) 0%, var(--kr-primary) 100%);
}

/* Badges */
.badge {
    border-radius: var(--kr-border-radius);
}

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

.badge.bg-secondary {
    background: var(--kr-accent) !important;
}

/* Pagination */
.modern-pagination .page-item .page-link {
    border-radius: 12px;
    margin: 0 4px;
    border: 1px solid #0a4d8b20;
    color: #0a4d8b;
    font-weight: 600;
    transition: all 0.2s ease;
}

.modern-pagination .page-item .page-link:hover {
    background-color: #0a4d8b10;
    color: #0a4d8b;
    border-color: #0a4d8b40;
}

.modern-pagination .page-item.active .page-link {
    background: linear-gradient(135deg, #0a4d8b, #1a73e8);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(10, 77, 139, 0.25);
}

.modern-pagination .page-item.disabled .page-link {
    color: #94a3b8;
    border-color: #e2e8f0;
    background: #f8fafc;
}

/* Footer */
.kr-footer {
    background: linear-gradient(135deg, var(--kr-primary) 0%, #6d1c27 100%);
    color: white;
    padding: 30px 0;
    margin-top: auto;
}

.kr-footer a {
    color: var(--kr-secondary);
}

.kr-footer a:hover {
    color: white;
}

/* Dashboard specific styles */
.dashboard-card {
    background: linear-gradient(135deg, white 0%, #f8f9fa 100%);
    border-left: 4px solid var(--kr-accent);
}

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

.dashboard-stat {
    font-size: 2rem;
    font-weight: 700;
    color: var(--kr-primary);
}

/* Dialogs */
.kr-dialog .modal-content {
    border-radius: var(--kr-border-radius);
    border: none;
    box-shadow: 0 20px 45px rgba(37, 37, 37, 0.15);
}

.kr-dialog .modal-header {
    border-bottom: none;
    background: linear-gradient(135deg, var(--kr-primary) 0%, #6d1c27 100%);
    color: #fff;
}

.kr-dialog .modal-body {
    padding: 1.75rem;
    font-size: 1rem;
    color: var(--kr-dark);
}

.kr-dialog .modal-footer {
    border-top: none;
    padding: 1.5rem;
}

.kr-dialog .btn-primary {
    background: linear-gradient(135deg, var(--kr-secondary) 0%, #d6451c 100%);
    border-color: var(--kr-secondary);
}

.kr-dialog .btn-primary:hover {
    background: linear-gradient(135deg, #d6451c 0%, var(--kr-secondary) 100%);
    border-color: #d6451c;
}

.dashboard-label {
    color: #6c757d;
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
}

/* File upload styles */
.file-upload-area {
    border: 2px dashed var(--kr-accent);
    border-radius: var(--kr-border-radius);
    padding: 2rem;
    text-align: center;
    transition: var(--kr-transition);
    background-color: rgba(74, 144, 226, 0.05);
}

.file-upload-area:hover {
    border-color: var(--kr-primary);
    background-color: rgba(74, 144, 226, 0.1);
}

.file-upload-area.dragover {
    border-color: var(--kr-secondary);
    background-color: rgba(255, 215, 0, 0.1);
}

/* Loading states */
.loading-spinner {
    border: 3px solid rgba(74, 144, 226, 0.3);
    border-radius: 50%;
    border-top: 3px solid var(--kr-accent);
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
}

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

/* Responsive adjustments */
@media (max-width: 768px) {
    .main-content {
        padding-top: 10px;
    }
    
    .dashboard-stat {
        font-size: 1.5rem;
    }
    
    .card {
        margin-bottom: 1rem;
    }
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

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

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

/* Utility classes */
.text-kr-primary {
    color: var(--kr-primary) !important;
}

.text-kr-secondary {
    color: var(--kr-secondary) !important;
}

.text-kr-accent {
    color: var(--kr-accent) !important;
}

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

.bg-kr-secondary {
    background-color: var(--kr-secondary) !important;
}

.bg-kr-accent {
    background-color: var(--kr-accent) !important;
}

.border-kr-primary {
    border-color: var(--kr-primary) !important;
}

.border-kr-secondary {
    border-color: var(--kr-secondary) !important;
}

.border-kr-accent {
    border-color: var(--kr-accent) !important;
}

/* Scheduling Buttons */
.kr-btn-send-now {
    border-color: var(--kr-primary);
    color: var(--kr-primary);
    font-weight: 600;
}

.kr-btn-send-now:hover {
    background-color: var(--kr-primary);
    border-color: var(--kr-primary);
    color: white;
}

.btn-check:checked + .kr-btn-send-now {
    background: linear-gradient(135deg, var(--kr-primary) 0%, #6d1c27 100%);
    border-color: var(--kr-primary);
    color: white;
}

.kr-btn-schedule {
    border-color: var(--kr-secondary);
    color: var(--kr-secondary);
    font-weight: 600;
}

.kr-btn-schedule:hover {
    background-color: var(--kr-secondary);
    border-color: var(--kr-secondary);
    color: white;
}

.btn-check:checked + .kr-btn-schedule {
    background: linear-gradient(135deg, var(--kr-secondary) 0%, #d6451c 100%);
    border-color: var(--kr-secondary);
    color: white;
}