@font-face {
    font-family: 'Alexandria';
    src: url('/static/fonts/Alexandria/Alexandria-VariableFont_wght.ttf') format('truetype');
    font-style: normal;
    font-weight: 100 900;
    font-display: swap;
}

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

:root {
    --color-primary: #1b2932;
    --color-secondary: #657189;
    --color-light: #edf0f5;
    --color-accent: #dca52b;
    --color-white: #edecea;
    --gray-text: #657189;

    --primary: var(--color-primary);
    --primary-dark: var(--color-secondary);
    --success: var(--color-accent);
    --error: #b15a4b;
    --text: var(--color-primary);
    --text-light: var(--gray-text);
    --bg: var(--color-white);
    --bg-alt: var(--color-light);
    --border: #c6cfda;
    --radius-sm: 6px;
    --radius-lg: 12px;
    --radius-md: 8px;
    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Alexandria', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text);
    background: var(--primary);
    line-height: 1.6;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 2rem;
}

.header-logo {
    display: block;
    width: 100%;
    height: auto;
    margin: 0 auto 0.75rem;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.tagline {
    color: var(--text-light);
    font-size: 1.1rem;
}

.lang-switcher {
    display: inline-flex;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.lang-btn {
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text-light);
    border-radius: 999px;
    padding: 0.25rem 0.65rem;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.lang-btn:hover {
    border-color: var(--color-white);
    color: var(--primary);
}

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

/* Shared section card surface */
.donation-section,
.info-section,
.success-section,
.cancel-section,
.feedback-section {
    background: var(--bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    margin-bottom: 1.5rem;
}

/* Donation Section */
.donation-section {
    padding: 2rem;
}

.donation-section h2 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.donation-section h3 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

/* Frequency Toggle */
.frequency-toggle {
    display: flex;
    background: var(--bg-alt);
    border-radius: var(--radius-md);
    padding: 4px;
    margin-bottom: 1.5rem;
}

.frequency-btn {
    flex: 1;
    padding: 0.75rem 1rem;
    border: none;
    background: transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-light);
    transition: all 0.2s;
}

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

.frequency-btn:hover:not(.active) {
    background: var(--border);
}

/* Amount Grid */
.amount-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.custom-amount-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.custom-amount-input {
    width: 100%;
    padding: 0.9rem 1rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg);
    color: var(--text);
    font-size: 1rem;
    font-family: inherit;
    font-weight: 500;
}

.custom-amount-input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.amount-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.7rem 0.5rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg);
    color: var(--text);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s;
}

.amount-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.amount-btn.selected {
    border-color: var(--color-accent);
    background: var(--color-accent);
    color: var(--color-primary);
}

.note {
    font-size: 0.875rem;
    color: var(--text-light);
    text-align: center;
    font-style: italic;
}

.hidden {
    display: none !important;
}

/* Info Section */
.info-section {
    padding: 1.5rem;
}

.info-section h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}

.info-section ul {
    list-style: none;
    padding: 0;
}

.info-section li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
}

.info-section li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
}

.security-note {
    margin-top: 1rem;
    font-size: 0.8rem;
    color: var(--text-light);
}

.manage-link-row {
    text-align: center;
    margin-bottom: 1.5rem;
}

.manage-link {
    color: var(--color-white);
    font-weight: 600;
    text-decoration: underline;
    text-decoration-color: rgba(237, 236, 234, 0.6);
    text-underline-offset: 0.15rem;
}

.manage-link:hover {
    color: var(--color-accent);
}

/* Success Page */
.success-section,
.cancel-section {
    padding: 2rem;
    text-align: center;
}

.success-icon,
.cancel-icon {
    width: 64px;
    height: 64px;
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1rem;
}

.success-icon {
    background: var(--success);
}

.cancel-icon {
    background: var(--error);
}

.success-section h2,
.cancel-section h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.success-section p,
.cancel-section p {
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

/* Feedback Form */
.feedback-section {
    padding: 2rem;
}

.feedback-section h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.feedback-section > p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

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

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-group textarea,
.form-group input[type="email"],
.form-group input[type="text"],
.form-group input[type="password"] {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    resize: vertical;
}

.form-group textarea:focus,
.form-group input[type="email"]:focus,
.form-group input[type="text"]:focus,
.form-group input[type="password"]:focus {
    outline: none;
    border-color: var(--primary);
}

.submit-btn,
.retry-btn {
    background: var(--primary);
    color: var(--color-white);
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: background 0.2s;
}

.submit-btn {
    width: 100%;
    padding: 0.875rem;
    border: none;
    font-size: 1rem;
    cursor: pointer;
}

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

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.feedback-success {
    text-align: center;
    padding: 1rem;
    background: #f7edd3;
    border-radius: var(--radius-md);
    color: var(--color-primary);
}

.form-status {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
}

.form-status.is-success {
    background: #e8f3eb;
    color: #234f33;
}

.form-status.is-error {
    background: #f8e7e4;
    color: #7f2e21;
}

/* Retry Button */
.retry-btn {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.875rem 2rem;
    text-decoration: none;
}

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

.success-actions {
    text-align: center;
    margin-bottom: 1rem;
}

/* Footer */
.footer {
    text-align: center;
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Admin */
.admin-container {
    max-width: 1050px;
}

.admin-title {
    color: var(--color-white);
    font-size: 1.65rem;
    margin-top: 0.5rem;
}

.admin-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.admin-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.admin-tab-btn {
    border: 1px solid var(--border);
    background: var(--bg-alt);
    color: var(--text);
    border-radius: var(--radius-md);
    padding: 0.5rem 0.85rem;
    font-size: 0.92rem;
    font-weight: 600;
    cursor: pointer;
}

.admin-tab-btn.active {
    background: var(--primary);
    color: var(--color-white);
    border-color: var(--primary);
}

.admin-tab-btn:hover {
    border-color: var(--color-accent);
}

.admin-table-wrap {
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}

.admin-table th,
.admin-table td {
    text-align: left;
    vertical-align: top;
    padding: 0.6rem 0.5rem;
    border-bottom: 1px solid var(--border);
}

.admin-table th {
    color: var(--text-light);
    font-weight: 700;
}

.admin-empty {
    color: var(--text-light);
    font-style: italic;
}

.admin-mono {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', monospace;
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 480px) {
    .amount-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .custom-amount-row {
        grid-template-columns: 1fr;
    }

    .container {
        padding: 1rem;
    }
}