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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
    color: #333;
}

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

header {
    background: white;
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

h1 {
    font-size: 2.5em;
    margin-bottom: 20px;
    color: #667eea;
}

.summary-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.stat-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
    border-radius: 12px;
    color: white;
}

.stat-label {
    font-size: 0.9em;
    opacity: 0.9;
    margin-bottom: 8px;
}

.stat-value {
    font-size: 2em;
    font-weight: bold;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 20px;
}

.card {
    background: white;
    border-radius: 16px;
    padding: 25px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.card.full-width {
    grid-column: 1 / -1;
}

.card h2 {
    margin-bottom: 20px;
    color: #667eea;
    font-size: 1.5em;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1em;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.donations-controls {
    margin-bottom: 20px;
}

.import-section {
    text-align: center;
    padding: 20px;
}

.import-section p {
    margin-bottom: 15px;
    color: #6c757d;
}

.import-status {
    margin-top: 15px;
    padding: 10px;
    border-radius: 8px;
    font-weight: 500;
}

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

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

.donations-list {
    display: grid;
    gap: 15px;
}

.donation-item {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 20px;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 15px;
    align-items: center;
    transition: transform 0.2s;
}

.donation-item:hover {
    transform: translateX(5px);
    background: #e9ecef;
}

.donation-field {
    display: flex;
    flex-direction: column;
}

.donation-field-label {
    font-size: 0.85em;
    color: #6c757d;
    margin-bottom: 4px;
}

.donation-field-value {
    font-weight: 600;
    color: #333;
}

.donation-growth {
    color: #28a745;
}

.donation-delete {
    justify-self: end;
    background: #dc3545;
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9em;
}

.donation-delete:hover {
    background: #c82333;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    animation: fadeIn 0.3s;
}

.modal-content {
    background-color: white;
    margin: 10% auto;
    padding: 30px;
    border-radius: 16px;
    width: 90%;
    max-width: 500px;
    animation: slideIn 0.3s;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from { transform: translateY(-50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover {
    color: #000;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 1em;
    transition: border 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
}

.holdings-grid {
    display: grid;
    gap: 10px;
}

.holding-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 15px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    align-items: center;
}

.holding-row.header {
    background: #667eea;
    color: white;
    font-weight: 600;
}

@media (max-width: 768px) {
    .content-grid {
        grid-template-columns: 1fr;
    }

    .donation-item {
        grid-template-columns: 1fr;
    }

    .holding-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }
}