/* SAA Inflight Services Warehouse System - Brand Theme */

:root {
    /* SAA Brand Colors */
    --saa-red: #D93232;        /* Pantone 179PC */
    --saa-yellow: #E8AF17;     /* Pantone 123C */
    --saa-green: #008743;      /* Pantone 348C */
    --saa-black: #11317e;      /* Primary Blue */
    --saa-blue: #11317e;       /* Primary Blue */
    --saa-white: #FFFFFF;      /* Pantone White */

    /* Extended Palette */
    --saa-red-light: #F5E6E6;
    --saa-yellow-light: #FDF6E3;
    --saa-green-light: #E8F5E8;
    --saa-blue-light: #E9EDFB;
    --saa-gray-light: #FFFFFF;
    --saa-gray: #6C757D;
    --saa-gray-dark: #495057;

    /* Shadows */
    --shadow-sm: 0 0.125rem 0.25rem rgba(17, 49, 126, 0.075);
    --shadow: 0 0.5rem 1rem rgba(17, 49, 126, 0.15);
    --shadow-lg: 0 1rem 3rem rgba(17, 49, 126, 0.175);
}

/* Global Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #FFFFFF;
    color: #11317e;
    line-height: 1.6;
}

/* Header Styles */
.saa-header {
    background: linear-gradient(135deg, var(--saa-blue) 0%, var(--saa-blue) 100%);
    color: var(--saa-white);
    padding: 1rem 0;
    box-shadow: var(--shadow);
}

.saa-logo {
    height: 50px;
    width: auto;
}

.saa-brand-text {
    color: var(--saa-white);
    font-weight: 600;
    font-size: 1.5rem;
    margin-left: 1rem;
}

/* Navigation Styles */
.saa-navbar {
    background-color: var(--saa-white);
    border-bottom: 3px solid var(--saa-blue);
    box-shadow: var(--shadow-sm);
}

.saa-nav-link {
    color: var(--saa-black) !important;
    font-weight: 500;
    padding: 0.75rem 1rem !important;
    transition: all 0.3s ease;
}

.saa-nav-link:hover {
    background-color: var(--saa-blue-light);
    color: var(--saa-blue) !important;
}

.saa-nav-link.active {
    background-color: var(--saa-blue);
    color: var(--saa-white) !important;
}

/* Sidebar Styles */
.saa-sidebar {
    background-color: var(--saa-white);
    border-right: 1px solid #dee2e6;
    min-height: calc(100vh - 120px);
    box-shadow: var(--shadow-sm);
}

.saa-sidebar-header {
    background-color: var(--saa-blue);
    color: var(--saa-white);
    padding: 1rem;
    font-weight: 600;
}

.saa-sidebar-item {
    border-bottom: 1px solid #f8f9fa;
}

.saa-sidebar-link {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--saa-black);
    text-decoration: none;
    transition: all 0.3s ease;
}

.saa-sidebar-link:hover {
    background-color: var(--saa-blue-light);
    color: var(--saa-blue);
    text-decoration: none;
}

.saa-sidebar-link.active {
    background-color: var(--saa-blue);
    color: var(--saa-white);
}

/* Button Styles */
.btn-saa-primary {
    background-color: var(--saa-blue);
    border-color: var(--saa-blue);
    color: var(--saa-white);
    font-weight: 500;
}

.btn-saa-primary:hover {
    background-color: #0f2a6b;
    border-color: #0f2a6b;
    color: var(--saa-white);
}

.btn-saa-success {
    background-color: var(--saa-green);
    border-color: var(--saa-green);
    color: var(--saa-white);
}

.btn-saa-success:hover {
    background-color: #006633;
    border-color: #006633;
    color: var(--saa-white);
}

.btn-saa-warning {
    background-color: var(--saa-yellow);
    border-color: var(--saa-yellow);
    color: var(--saa-black);
}

.btn-saa-warning:hover {
    background-color: #d49c0d;
    border-color: #d49c0d;
    color: var(--saa-black);
}

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

.btn-saa-danger:hover {
    background-color: #c12828;
    border-color: #c12828;
    color: var(--saa-white);
}

/* Card Styles */
.saa-card {
    background-color: var(--saa-white);
    border: none;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
}

.saa-card-header {
    background-color: var(--saa-blue-light);
    border-bottom: 2px solid var(--saa-blue);
    font-weight: 600;
    color: var(--saa-blue);
}

.saa-card-primary .saa-card-header {
    background-color: var(--saa-blue);
    color: var(--saa-white);
}

.saa-card-success .saa-card-header {
    background-color: var(--saa-green);
    color: var(--saa-white);
}

.saa-card-warning .saa-card-header {
    background-color: var(--saa-yellow);
    color: var(--saa-black);
}

.saa-card-danger .saa-card-header {
    background-color: var(--saa-red);
    color: var(--saa-white);
}

/* Status Badges */
.badge-saa-pending {
    background-color: var(--saa-yellow);
    color: var(--saa-black);
}

.badge-saa-approved {
    background-color: var(--saa-green);
    color: var(--saa-white);
}

.badge-saa-rejected {
    background-color: var(--saa-red);
    color: var(--saa-white);
}

.badge-saa-in-progress {
    background-color: var(--saa-blue);
    color: var(--saa-white);
}

.badge-saa-completed {
    background-color: var(--saa-green);
    color: var(--saa-white);
}

/* Table Styles */
.saa-table {
    background-color: var(--saa-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.saa-table thead th {
    background-color: var(--saa-blue);
    color: var(--saa-white);
    border: none;
    font-weight: 600;
}

.saa-table tbody tr:hover {
    background-color: var(--saa-blue-light);
}

/* Dashboard Stats */
.saa-stat-card {
    background: linear-gradient(135deg, var(--saa-white) 0%, #f8f9fa 100%);
    border-left: 4px solid var(--saa-blue);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease;
}

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

.saa-stat-card.success {
    border-left-color: var(--saa-green);
}

.saa-stat-card.warning {
    border-left-color: var(--saa-yellow);
}

.saa-stat-card.danger {
    border-left-color: var(--saa-red);
}

.saa-stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--saa-blue);
}

.saa-stat-label {
    color: var(--saa-gray-dark);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
}

/* Alert Styles */
.alert-saa-primary {
    background-color: var(--saa-blue-light);
    border-color: var(--saa-blue);
    color: var(--saa-blue);
}

.alert-saa-success {
    background-color: var(--saa-green-light);
    border-color: var(--saa-green);
    color: var(--saa-green);
}

.alert-saa-warning {
    background-color: var(--saa-yellow-light);
    border-color: var(--saa-yellow);
    color: #856404;
}

.alert-saa-danger {
    background-color: var(--saa-red-light);
    border-color: var(--saa-red);
    color: var(--saa-red);
}

/* Form Styles */
.form-control:focus {
    border-color: var(--saa-blue);
    box-shadow: 0 0 0 0.2rem rgba(22, 54, 139, 0.25);
}

.form-check-input:checked {
    background-color: var(--saa-blue);
    border-color: var(--saa-blue);
}

/* Footer */
.saa-footer {
    background-color: var(--saa-black);
    color: var(--saa-white);
    padding: 2rem 0;
    margin-top: 3rem;
}

.saa-footer-logo {
    height: 40px;
    width: auto;
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .saa-brand-text {
        font-size: 1.2rem;
        margin-left: 0.5rem;
    }
    
    .saa-logo {
        height: 40px;
    }
    
    .saa-stat-number {
        font-size: 2rem;
    }
}

/* Loading Spinner */
.saa-spinner {
    border: 3px solid var(--saa-blue-light);
    border-top: 3px solid var(--saa-blue);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

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

/* Print Styles */
@media print {
    .saa-header,
    .saa-navbar,
    .saa-sidebar,
    .saa-footer {
        display: none !important;
    }
    
    .saa-card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}