:root {
    /* Primary Palette */
    --primary: #013220;
    --primary-dark: #001a12;
    --primary-light: #025230;
    
    --secondary: #4F4F4F;
    --secondary-light: #6B6B6B;
    --secondary-dark: #2f2f2f;
    
    --base: #FFFFFF;
    --base-50: #F9F9F9;
    --base-100: #d9d9d9;
    
    --accent: #E7D140;
    --accent-dark: #d4be2a;
    --accent-light: #efe570;
    
    /* Semantic Colors */
    --text-primary: #4F4F4F;
    --text-heading: #013220;
    --text-inverse: #FFFFFF;
    --text-muted: rgba(79,79,79,0.6);
    
    --bg-page: #FFFFFF;
    --bg-section: rgba(79,79,79,0.02);
    --bg-card: #FFFFFF;
    
    --border: rgba(79,79,79,0.15);
    --border-light: rgba(79,79,79,0.08);
    
    /* Status Colors */
    --success: #16A34A;
    --error: #DC2626;
    --warning: #E7D140;
    --info: #013220;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.12);
    --shadow-lg: 0 16px 48px rgba(0,0,0,0.24);
    
    /* D3 Tree Colors */
    --tree-male-alive: #013220;
    --tree-male-deceased: #4F4F4F;
    --tree-female-alive: #e91e63;
    --tree-female-deceased: #8B7355;
    --tree-branch: #4F4F4F;
    
    /* Legacy aliases for backwards compatibility */
    --gold: #E7D140;
    --text: #4F4F4F;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Cairo', sans-serif;
    background: var(--bg-page);
    color: var(--text-primary);
    direction: rtl;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

.navbar {
    background: var(--primary);
    color: white;
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 600;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-family: 'Cairo';
    font-weight: 600;
}

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

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

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

.btn-secondary:hover {
    background: var(--secondary-dark);
}

.tree-controls {
    background: white;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.controls-row {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-top: 10px;
}

.controls-row input[type="text"] {
    padding: 8px;
    border: 1px solid var(--border);
    border-radius: 5px;
    flex: 1;
}

.controls-row button {
    padding: 8px 15px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

#tree {
    border: 2px solid var(--border);
    border-radius: 10px;
    background: white;
}

.filters-panel {
    background: white;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.filters-panel select {
    padding: 8px;
    border: 1px solid var(--border);
    border-radius: 5px;
    margin-left: 10px;
}

.members-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.member-card {
    background: white;
    border: 2px solid var(--border);
    border-radius: 10px;
    padding: 15px;
    text-align: center;
}

.member-photo img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
}

.modal {
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
}

.modal-content {
    background: white;
    margin: 10% auto;
    padding: 30px;
    border-radius: 10px;
    width: 80%;
    max-width: 600px;
}

.close {
    float: left;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 5px;
    margin-top: 20px;
}

.page-btn {
    padding: 8px 12px;
    border: 1px solid var(--border);
    background: white;
    cursor: pointer;
    border-radius: 3px;
}

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

/* Button variants */
.btn-success {
    background: var(--success);
    color: white;
}

.btn-success:hover {
    background: #15803d;
}

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

.btn-danger:hover {
    background: #B91C1C;
}