/* Basic Reset & Mobile First */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: #f4f7f6;
    color: #333;
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 600px;
    margin: 2rem auto;
    padding: 20px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

h1, h2 {
    text-align: center;
    margin-bottom: 20px;
    color: #0056b3;
}

/* Form Styles */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.form-group input, .form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px; /* Prevents zoom on iOS */
}

.btn {
    display: block;
    width: 100%;
    padding: 12px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 18px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #0056b3;
}

.btn-success { background-color: #28a745; }
.btn-success:hover { background-color: #218838; }
.btn-danger { background-color: #dc3545; }
.btn-danger:hover { background-color: #c82333; }
.btn-warning { background-color: #ffc107; color: #212529;}
.btn-warning:hover { background-color: #e0a800; }

/* Dashboard Styles */
.dashboard-header {
    text-align: right;
    margin-bottom: 20px;
}

.dashboard-header a {
    color: #dc3545;
    text-decoration: none;
    font-weight: bold;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    margin-bottom: 20px;
}

.stat-card {
    background: #eef7ff;
    padding: 20px;
    border-radius: 8px;
    border-left: 5px solid #007bff;
    text-align: center;
}

.stat-card h3 {
    margin: 0;
    font-size: 24px;
    color: #333;
}

.stat-card p {
    margin: 5px 0 0;
    color: #666;
}

/* Table Styles */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background-color: #f8f9fa;
    font-weight: bold;
}

/* Modal/Popup Styles */
.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: #fefefe;
    margin: 5% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 90%;
    max-width: 500px;
    border-radius: 10px;
    animation: slideIn 0.3s;
}

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

.close:hover { color: black; }

.payment-details {
    background: #f0f0f0;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 15px;
    text-align: center;
}

.payment-details strong {
    display: block;
    font-size: 18px;
    margin-bottom: 10px;
}

.payment-details .note {
    color: #dc3545;
    font-weight: bold;
}

.copy-btn {
    background: #6c757d;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 5px;
    cursor: pointer;
    margin-left: 10px;
}

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

/* Responsive for larger screens */
@media (min-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}