:root {
    --primary-color: #8B4513;
    /* Saddle Brown - dignified, warm */
    --secondary-color: #D2691E;
    /* Chocolate - complementary warm tone */
    --text-dark-brown: #5D2E0C;
    /* Dark Brown for focused text */
    --accent-color: #CD853F;
    /* Peru - golden accent */
    --success-color: #228B22;
    /* Forest Green - nature-inspired success */
    --danger-color: #B22222;
    /* Fire Brick - softer red */
    --warning-color: #DAA520;
    /* Golden Rod - warm warning */
    --info-color: #4682B4;
    /* Steel Blue - professional info */
    --light-bg: #FDF5E6;
    /* Old Lace - warm light background */
    --card-bg: #FFFFFF;
    /* White - clean card background */
    --text-primary: #2F2F2F;
    /* Dark gray - readable text */
    --text-secondary: #6C757D;
    /* Medium gray - secondary text */
    --border-color: #E0E0E0;
    /* Light gray - subtle borders */
    --shadow: 0 4px 6px rgba(139, 69, 19, 0.1);
    --shadow-hover: 0 8px 15px rgba(139, 69, 19, 0.2);
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--light-bg) 0%, #F5F5DC 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Navigation */
.navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%) !important;
    box-shadow: var(--shadow);
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: 600;
    font-size: 1.5rem;
    color: white !important;
    text-decoration: none;
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 6px;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: white !important;
    background-color: rgba(255, 255, 255, 0.1);
}

/* Cards */
.card {
    border: none;
    border-radius: 16px;
    box-shadow: var(--shadow);
    background: var(--card-bg);
    overflow: hidden;
}

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

.card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%) !important;
    border: none;
    padding: 1.5rem;
    border-radius: 16px 16px 0 0 !important;
}

.card-header h2 {
    margin: 0;
    font-weight: 600;
    color: white;
}

.card-body {
    padding: 2rem;
}

/* Buttons */
.btn {
    border-radius: 8px;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border: none;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    color: white;
}

.btn-success {
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #DC143C 100%);
    color: white;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #DC143C 0%, var(--danger-color) 100%);
    color: white;
}

.btn-outline-secondary {
    border: 2px solid var(--text-secondary);
    color: var(--text-secondary);
    background: transparent;
}

.btn-outline-secondary:hover {
    background: var(--text-secondary);
    color: white;
}

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    color: white;
}

.btn-outline-danger {
    border: 2px solid var(--danger-color);
    color: var(--danger-color);
    background: transparent;
}

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

.btn-outline-success {
    border: 2px solid var(--success-color);
    color: var(--success-color);
    background: transparent;
}

.btn-outline-success:hover {
    background: var(--success-color);
    color: white;
}

.btn-light {
    background: linear-gradient(135deg, #F8F9FA 0%, #E9ECEF 100%);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-light:hover {
    background: linear-gradient(135deg, #E9ECEF 0%, #F8F9FA 100%);
    color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Dashboard buttons */
.dashboard-btn {
    padding: 2rem;
    border-radius: 16px;
    text-decoration: none;
    display: block;
    height: 100%;
    min-height: 200px;
}

.dashboard-btn:hover {
    text-decoration: none;
}

.dashboard-btn i {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.dashboard-btn span {
    color: var(--text-primary);
    font-weight: 600;
}

/* Forms */
.form-control {
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    background: var(--card-bg);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(139, 69, 19, 0.25);
    outline: none;
}

.form-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

/* Lists */
.list-group-item {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 0.5rem;
    padding: 1rem;
    background: var(--card-bg);
}

.list-group-item:hover {
    background: var(--light-bg);
    border-color: var(--accent-color);
}

.list-group-item a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.list-group-item a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* Buttons */

.btn.btn-outline-primary.btn-sm:hover {
    color: white;
}

/* Calendar specific styles */
.calendar-date {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark-brown);
    margin-bottom: 1.5rem;
    text-align: center;
    padding: 1rem;
    background: linear-gradient(135deg, var(--light-bg) 0%, #F0E68C 100%);
    border-radius: 12px;
    border: 2px solid var(--accent-color);
}

.calendar-date a:hover {
    color: var(--secondary-color) !important;
    opacity: 0.8;
}

.calendar-section {
    margin-bottom: 2rem;
}

.calendar-section h3 {
    color: var(--secondary-color);
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--accent-color);
}

/* Badges */
.badge {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
}

.bg-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%) !important;
}

.bg-warning {
    background: linear-gradient(135deg, var(--warning-color) 0%, #FFD700 100%) !important;
    color: var(--text-primary) !important;
}

.bg-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #32CD32 100%) !important;
}

.bg-info {
    background: linear-gradient(135deg, var(--info-color) 0%, #87CEEB 100%) !important;
}

/* Text utilities */
.text-muted {
    color: var(--text-secondary) !important;
}

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

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

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

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

/* Responsive adjustments */
@media (max-width: 768px) {
    .card-body {
        padding: 1.5rem;
    }

    .dashboard-btn {
        min-height: 150px;
        padding: 1.5rem;
    }

    .btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }

    .navbar-brand {
        font-size: 1.2rem;
    }
}

/* Loading states */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Focus states for accessibility */
.btn:focus,
.form-control:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Enhanced spacing */
.mb-4 {
    margin-bottom: 1.5rem !important;
}

.mt-4 {
    margin-top: 1.5rem !important;
}

.py-4 {
    padding-top: 1.5rem !important;
    padding-bottom: 1.5rem !important;
}

.py-5 {
    padding-top: 3rem !important;
    padding-bottom: 3rem !important;
}

/* Button groups */
.btn-group {
    gap: 0.5rem;
}

.btn-group .btn {
    border-radius: 8px !important;
}

/* Enhanced list styling */
.list-group {
    border-radius: 8px;
    overflow: hidden;
}

.list-group-item:first-child {
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
}

.list-group-item:last-child {
    border-bottom-left-radius: 8px;
    border-bottom-right-radius: 8px;
}