/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-color: #1e293b;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(rgba(248, 250, 252, 0.75), rgba(248, 250, 252, 0.75)), url('/static/images/background.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
}

/* Navbar */
.navbar {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-user {
    font-weight: 500;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--primary-color);
}

/* Main content */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* Container */
.container {
    width: 100%;
}

/* Page header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-color);
}

/* Card */
.card {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 0.5rem;
    box-shadow: var(--shadow-lg);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.card h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-color);
}

/* Stats grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 0.5rem;
    box-shadow: var(--shadow-lg);
    padding: 1.5rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

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

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.form-group input[type="text"],
.form-group input[type="tel"],
.form-group input[type="password"],
.form-group input[type="date"],
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.form-group textarea {
    resize: vertical;
    font-family: inherit;
}

.form-group input[type="email"],
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input[type="email"]:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Read-only fields */
.form-group input[readonly] {
    background-color: var(--bg-color);
    color: var(--text-muted);
    cursor: not-allowed;
}

.form-group input[readonly]:focus {
    border-color: var(--border-color);
    box-shadow: none;
}

/* Form rows for side-by-side fields */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.form-row .form-group {
    margin-bottom: 0;
}

.help-text {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.card h3:first-of-type {
    margin-top: 1.5rem;
}

/* Message stats */
.message-stats {
    display: flex;
    gap: 2rem;
    padding: 1rem;
    background-color: var(--bg-color);
    border-radius: 0.375rem;
    margin-bottom: 1.5rem;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.stat-item .stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.stat-item .stat-value {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--primary-color);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.625rem 1.25rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: all 0.2s;
}

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

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

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

.btn-secondary:hover {
    background-color: #475569;
}

.btn-block {
    width: 100%;
}

.btn-large {
    padding: 0.875rem 1.5rem;
    font-size: 1.125rem;
}

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

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Badge */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    background-color: var(--primary-color);
    color: white;
    border-radius: 9999px;
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 0.375rem;
    margin-bottom: 1rem;
}

.alert-error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert-warning {
    background-color: #fef3c7;
    color: #92400e;
    border: 1px solid #fde68a;
}

/* Login page */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 1.5rem;
}

.login-box {
    width: 100%;
    max-width: 400px;
    background-color: var(--card-bg);
    border-radius: 0.5rem;
    box-shadow: var(--shadow-lg);
    padding: 2rem;
}

.login-box h1 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 2rem;
}

.login-box h2 {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-size: 1.25rem;
    font-weight: 500;
}

.login-form {
    margin-top: 1.5rem;
}

/* Message table */
.message-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.message-table th,
.message-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.message-table th {
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.message-table tbody tr:hover {
    background-color: var(--bg-color);
}

.message-cell {
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Status badges */
.status-badge {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 9999px;
}

.status-badge.queued {
    background-color: #fef3c7;
    color: #92400e;
}

.status-badge.sent {
    background-color: #d1fae5;
    color: #065f46;
}

.status-badge.delivered {
    background-color: #d1fae5;
    color: #065f46;
}

.status-badge.failed {
    background-color: #fee2e2;
    color: #991b1b;
}

.status-badge.received {
    background-color: #e0e7ff;
    color: #3730a3;
}

/* Purchase/Product styles */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.product-card {
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    transition: all 0.2s;
    background: white;
}

.product-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow);
}

.product-label {
    display: block;
    cursor: pointer;
    padding: 1rem;
}

.product-radio {
    margin-bottom: 0.75rem;
}

.product-image {
    text-align: center;
    margin-bottom: 1rem;
}

.product-image img {
    max-width: 100%;
    height: auto;
    max-height: 150px;
}

.product-info {
    text-align: center;
}

.product-name {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.product-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.product-price {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
}

.price-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    display: block;
    margin-bottom: 0.25rem;
}

.price-amount {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.product-radio:checked + .product-image,
.product-radio:checked ~ .product-info {
    opacity: 1;
}

.product-card:has(.product-radio:checked) {
    border-color: var(--primary-color);
    background-color: rgba(37, 99, 235, 0.05);
}

#order-summary {
    min-height: 100px;
}

.summary-table {
    width: 100%;
    margin-top: 1rem;
}

.summary-table td {
    padding: 0.5rem 0;
}

.summary-table td:last-child {
    text-align: right;
    font-weight: 600;
}

.summary-total {
    font-size: 1.25rem;
    color: var(--primary-color);
    border-top: 2px solid var(--border-color);
    padding-top: 0.75rem !important;
    margin-top: 0.75rem;
}

/* Status badges */
.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    font-weight: 500;
}

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

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

/* Pagination */
.pagination {
    margin-top: 1.5rem;
}

.pagination-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

.page-info {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Loading and empty states */
.loading,
.empty-state {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .message-stats {
        flex-direction: column;
        gap: 0.5rem;
    }

    .message-table {
        font-size: 0.875rem;
    }

    .message-table th,
    .message-table td {
        padding: 0.5rem;
    }

    .message-cell {
        max-width: 150px;
    }
}

/* Admin styles */
.admin-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    gap: 1rem;
}

.filter-group,
.search-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-select,
.search-input {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-size: 0.875rem;
}

.filter-select {
    min-width: 150px;
}

.search-input {
    min-width: 250px;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.admin-table th,
.admin-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.admin-table th {
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background-color: var(--bg-color);
}

.admin-table tbody tr:hover {
    background-color: var(--bg-color);
}

.admin-table tbody tr.inactive-user {
    opacity: 0.6;
}

/* Data table (generic) */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.data-table th,
.data-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background-color: var(--bg-color);
}

.data-table tbody tr:hover {
    background-color: var(--bg-color);
}

.permission-badges {
    display: flex;
    gap: 1rem;
}

.checkbox-inline {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.875rem;
    cursor: pointer;
}

.checkbox-inline input[type="checkbox"] {
    cursor: pointer;
}

.checkbox-group {
    margin-bottom: 1rem;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-weight: 500;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin: 0;
    cursor: pointer;
}

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

.btn-warning:hover {
    background-color: #d97706;
}

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

.btn-success:hover {
    background-color: #059669;
}

.status-badge.active {
    background-color: #d1fae5;
    color: #065f46;
}

.status-badge.inactive {
    background-color: #fee2e2;
    color: #991b1b;
}

/* Responsive admin styles */
@media (max-width: 768px) {
    .admin-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-group,
    .search-group {
        width: 100%;
    }

    .filter-select,
    .search-input {
        width: 100%;
    }

    .admin-table {
        font-size: 0.875rem;
    }

    .admin-table th,
    .admin-table td {
        padding: 0.5rem;
    }

    .permission-badges {
        flex-direction: column;
        gap: 0.5rem;
    }
}

/* Modal styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

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

.modal-content {
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    margin: auto;
    padding: 0;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    margin: 0;
    font-size: 1.25rem;
    color: var(--text-color);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    line-height: 1;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
}

.modal-close:hover {
    color: var(--text-color);
}

.modal form {
    padding: 1.5rem;
}

.form-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

/* Recipient inline chip styles */
.recipient-input-container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.375rem;
    min-height: 2.75rem;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    background-color: white;
    cursor: text;
    transition: border-color 0.2s;
}

.recipient-input-container:focus-within {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.recipient-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
}

.recipient-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.5rem;
    background-color: var(--primary-color);
    color: white;
    border-radius: 0.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
}

.recipient-chip-remove {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 0;
    margin-left: 0.25rem;
    font-size: 1rem;
    line-height: 1;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.recipient-chip-remove:hover {
    opacity: 1;
}

.recipient-input-container input {
    flex: 1;
    min-width: 200px;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
    padding: 0.25rem;
    font-size: 0.9375rem;
    background: transparent;
}

.recipient-input-container input:focus {
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
}

.recipient-input-container input::placeholder {
    color: var(--text-muted);
}

/* Payment page styles */
.payment-redirect,
.payment-error,
.payment-success {
    max-width: 500px;
    margin: 3rem auto;
    text-align: center;
}

.payment-icon,
.error-icon,
.success-icon {
    margin-bottom: 1.5rem;
}

.payment-icon svg {
    color: #0066cc;
}

.error-icon svg {
    color: var(--error-color);
}

.success-icon svg {
    color: var(--success-color);
}

.payment-icon svg,
.error-icon svg,
.success-icon svg {
    display: inline-block;
}

.help-text.centered {
    text-align: center;
    margin: 1.5rem 0;
}

.loading-spinner {
    margin: 2rem auto;
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #0066cc;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}