:root {
    /* Color Palette based on Medical/Trust UX Research */
    --primary-red: #e63946; /* Action/Urgency (Donate, Requests) */
    --primary-red-hover: #c1121f;
    --trust-blue: #457b9d; /* Trust/Calm (Headers, Info) */
    --bg-light: #f8f9fa; /* Background */
    --card-bg: #ffffff;
    --text-main: #2b2d42; /* High contrast text */
    --text-muted: #6c757d;
    --border-color: #dee2e6;
    --success-green: #2a9d8f;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', 'Roboto', sans-serif;
}

body {
    background-color: var(--bg-light);
    color: var(--text-main);
    line-height: 1.6;
}

/* Layout Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

.grid-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

/* Navigation */
.navbar {
    background-color: var(--card-bg);
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-red);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    margin-left: 20px;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--primary-red);
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-block;
    font-size: 0.95rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-red-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(230, 57, 70, 0.2);
}

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

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

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-muted);
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.2s;
    font-family: inherit;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--trust-blue);
    box-shadow: 0 0 0 3px rgba(69, 123, 157, 0.1);
}

/* Form error message */
.form-error {
    background: #f8d7da;
    color: #721c24;
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 15px;
    font-weight: 500;
    display: none;
}

/* Cards */
.card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
    border: 1px solid var(--border-color);
}

/* Hero Section */
.hero {
    padding: 100px 0;
    text-align: center;
    background: linear-gradient(135deg, rgba(230,57,70,0.05) 0%, rgba(69,123,157,0.05) 100%);
}

.hero h1 {
    font-size: 3rem;
    color: var(--trust-blue);
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 30px;
}

/* Dashboards */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 40px 0 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
}

.status-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.status-pending {
    background-color: #fff3cd;
    color: #856404;
}

.status-approved {
    background-color: #d4edda;
    color: #155724;
}

.status-rejected {
    background-color: #f8d7da;
    color: #721c24;
}

/* Top Donators */
.donator-card {
    text-align: center;
    transition: transform 0.3s ease;
}

.donator-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.badge-gold {
    background: linear-gradient(135deg, #FFD700, #FDB931);
    color: #856404;
    padding: 5px 15px;
    border-radius: 20px;
    font-weight: 700;
    display: inline-block;
    margin-bottom: 15px;
}

/* Notification Bell */
.notif-bell {
    position: relative;
    cursor: pointer;
    font-size: 1.3rem;
    margin-left: 15px;
}

.notif-count {
    position: absolute;
    top: -8px;
    right: -10px;
    background: var(--primary-red);
    color: white;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 50%;
    font-weight: 700;
}

/* Notification Panel */
.modal-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
}

.notif-panel {
    background: white;
    border-radius: 12px;
    padding: 24px;
    width: 100%;
    max-width: 450px;
    max-height: 80vh;
    overflow-y: auto;
}

.notif-item {
    padding: 12px;
    border-radius: 8px;
    margin-top: 10px;
    border: 1px solid var(--border-color);
}

.notif-item small {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* Footer */
footer {
    text-align: center;
    padding: 30px 20px;
    margin-top: 60px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .hero .container {
        grid-template-columns: 1fr !important;
        text-align: center !important;
    }
    .hero h1 {
        font-size: 2rem !important;
    }
    .hero p {
        margin-left: auto !important;
        margin-right: auto !important;
    }
    .navbar .container {
        flex-direction: column;
        gap: 12px;
    }
    .nav-links {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px;
    }
    .nav-links a {
        margin-left: 0;
        font-size: 0.9rem;
    }
    .grid-layout {
        grid-template-columns: 1fr !important;
    }
    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    .btn {
        padding: 8px 16px;
        font-size: 0.9rem;
    }
}