.glass-header {
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    background-color: rgba(255, 255, 255, 0.65);
    box-shadow: 0 8px 25px rgba(0,0,0,0.25), 0 -4px 10px rgba(255,255,255,0.2), inset 0 2px 6px rgba(255,255,255,0.3);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.admin-page {
    min-height: 100vh;
    background-color: #f8fafc;
}

.page-header {
    background: white;
    padding: 2rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.45);
    border-radius: 0.75rem;
}

.page-subtitle {
    color: #64748b;
    margin-top: 0.5rem;
}

.card {
    background: white;
    border-radius: 0.75rem;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.45);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.5rem;
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
    border: 2px solid #e5e7eb;
    border-radius: 0.5rem;
    transition: all 0.2s;
    box-sizing: border-box;
}

    .form-input:focus {
        outline: none;
        border-color: #667eea;
        box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    }

    .form-input:disabled {
        background-color: #f3f4f6;
        cursor: not-allowed;
    }

.form-text {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: #6b7280;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    /*padding: 0.625rem 1.25rem;*/
    margin: 5px;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: 0.5rem;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.25s ease;
    color: white;
}
.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #642a9f 100%);
    color: white;
    box-shadow: 0 2px 6px rgba(102, 126, 234, 0.4);
}

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(102, 126, 234, 0.5);
        background: linear-gradient(135deg, #4459b9 5%, #733daa 100%);
    }

.btn-cancel-blood {
    background: linear-gradient(135deg, #be123c 0%, #881337 100%);
    color: white;
    box-shadow: 0 2px 6px rgba(190, 18, 60, 0.4);
}

    .btn-cancel-blood:hover {
        background: linear-gradient(135deg, #9f1239 0%, #5c0e28 100%);
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(139, 0, 0, 0.6);
    }

.btn-back {
    background: linear-gradient(40deg, #71717a 0%, #27272a 100%);
    color: white;
    box-shadow: 0 2px 6px rgba(113, 113, 122, 0.4);
}

    .btn-back:hover {
        background: linear-gradient(135deg, #52525b 0%, #18181b 100%);
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(102, 126, 234, 0.5);
    }

.btn-edit {
    background: linear-gradient(135deg, #06b6d4 0%, #0e7490 100%);
    color: white;
    box-shadow: 0 2px 6px rgba(6, 182, 212, 0.4);
}

    .btn-edit:hover {
        background: linear-gradient(135deg, #0891b2 0%, #164e63 100%);
        transform: translateY(-2px);
        box-shadow: 0 2px 6px rgba(6, 182, 212, 0.4);
    }

.btn-logout {
    background: linear-gradient(135deg, #1e3a8a 0%, #0f172a 100%);
    color: white;
    box-shadow: 0 2px 6px rgba(30, 58, 138, 0.4);
}

    .btn-logout:hover {
        background: linear-gradient(135deg, #1e40af 0%, #1e293b 100%);
        transform: translateY(-2px);
        box-shadow: 0 2px 6px rgba(30, 58, 138, 0.4);
    }


.btn-secondary {
    background: #6b7280;
    color: white;
}

    .btn-secondary:hover {
        background: #4b5563;
    }

.btn-danger {
    background: #ef4444;
    color: white;
}

    .btn-danger:hover {
        background: #dc2626;
    }

.btn-info {
    background: #3b82f6;
    color: white;
}

    .btn-info:hover {
        background: #2563eb;
    }

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

.alert {
    padding: 1rem 1.25rem;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.alert-success {
    background: #d1fae5;
    border: 1px solid #6ee7b7;
    color: #065f46;
}

.alert-error {
    background: #fee;
    border: 1px solid #fcc;
    color: #c33;
}

.table-responsive {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

    .data-table thead th {
        background: #f8fafc;
        padding: 0.75rem 1rem;
        text-align: left;
        font-size: 0.875rem;
        font-weight: 600;
        color: #475569;
        border-bottom: 2px solid #e2e8f0;
    }

    .data-table tbody td {
        padding: 1rem;
        border-bottom: 1px solid #e2e8f0;
        font-size: 0.9375rem;
    }

    .data-table tbody tr:hover {
        background: #f8fafc;
    }

.action-buttons {
    display: flex;
    gap: 0.5rem;
}

.text-muted {
    color: #9ca3af;
}

.nav-bar {
    background: white;
    border-bottom: 1px solid #e2e8f0;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 50;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e293b;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: #475569;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

    .nav-link:hover {
        color: #667eea;
    }

.content-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}