/* ── Light theme (default) ────────────────────────────────────────── */
:root {
    --bg: #f5f5f5;
    --bg-surface: #ffffff;
    --bg-hover: #eaeaea;
    --border: #ddd;
    --color-text: #333;
    --color-heading: #1a1a2e;
    --color-muted: #666;
    --color-primary: #1a1a2e;
    --color-accent: #e94560;
    --input-bg: #fff;
    --input-border: #ddd;
    --shadow: rgba(0,0,0,0.08);
    --link-hover: #0d0d1a;
    --flash-success-bg: #d4edda;
    --flash-success-text: #155724;
    --flash-success-border: #c3e6cb;
    --flash-error-bg: #f8d7da;
    --flash-error-text: #721c24;
    --flash-error-border: #f5c6cb;
    --unread-bg: #eef2ff;
    --unread-hover: #dfe6f7;
}

/* ── Dark theme ──────────────────────────────────────────────────── */
[data-theme="dark"] {
    --bg: #1d1d1d;
    --bg-surface: #262626;
    --bg-hover: #333;
    --border: #3a3a3a;
    --color-text: #d4d4d4;
    --color-heading: #eee;
    --color-muted: #999;
    --color-primary: #888;
    --color-accent: #e94560;
    --input-bg: #2a2a2a;
    --input-border: #444;
    --shadow: rgba(0,0,0,0.3);
    --link-hover: #bbb;
    --flash-success-bg: #1a2e1a;
    --flash-success-text: #6ee7a8;
    --flash-success-border: #2d4a2d;
    --flash-error-bg: #3b1520;
    --flash-error-text: #f5a0b0;
    --flash-error-border: #5c2030;
    --unread-bg: rgba(255,255,255,0.05);
    --unread-hover: rgba(255,255,255,0.1);
}

/* ── Reset & base ────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

.hp-field { position: absolute; left: -9999px; height: 0; overflow: hidden; }

html, body {
    height: 100%;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--color-text);
    line-height: 1.6;
}

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

/* ── Two-panel layout ────────────────────────────────────────────── */
.lander {
    display: flex;
    min-height: 100vh;
}

.panel-image {
    flex: 1 1 50%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    min-height: 100vh;
}

.panel-form {
    flex: 1 1 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 3rem 2.5rem;
    background: var(--bg);
}

.panel-form-inner {
    width: 100%;
    max-width: 480px;
}

/* ── Typography ──────────────────────────────────────────────────── */
.domain-name {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-heading);
    margin-bottom: 0.25rem;
    word-break: break-word;
}

.tagline {
    font-size: 1.15rem;
    color: var(--color-muted);
    margin-bottom: 2rem;
}

/* ── Form ────────────────────────────────────────────────────────── */
.offer-form { width: 100%; }

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
    color: var(--color-heading);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.7rem 0.85rem;
    font-size: 1rem;
    border: 2px solid var(--input-border);
    border-radius: 6px;
    background: var(--input-bg);
    color: var(--color-text);
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

/* Offer amount with currency prefix */
.input-currency-wrap {
    display: flex;
    align-items: stretch;
}

.currency-prefix {
    display: flex;
    align-items: center;
    padding: 0 0.75rem;
    background: var(--color-primary);
    color: #fff;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 6px 0 0 6px;
    border: 2px solid var(--color-primary);
}

.input-currency-wrap input {
    border-radius: 0 6px 6px 0;
    border-left: none;
}

/* Submit button */
.btn-submit {
    display: block;
    width: 100%;
    padding: 0.85rem;
    font-size: 1.05rem;
    font-weight: 700;
    color: #fff;
    background: var(--color-accent);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.1s;
    margin-top: 0.5rem;
}

.btn-submit:hover  { opacity: 0.9; }
.btn-submit:active { transform: scale(0.98); }

/* ── Flash messages ──────────────────────────────────────────────── */
.flash {
    padding: 0.75rem 1rem;
    border-radius: 6px;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.flash-success {
    background: var(--flash-success-bg);
    color: var(--flash-success-text);
    border: 1px solid var(--flash-success-border);
}

.flash-error {
    background: var(--flash-error-bg);
    color: var(--flash-error-text);
    border: 1px solid var(--flash-error-border);
}

/* ── Responsive: collapse to single panel ────────────────────────── */
@media (max-width: 768px) {
    .lander { flex-direction: column; }

    .panel-image { display: none; }

    .panel-form {
        flex: 1 1 100%;
        min-height: 100vh;
        padding: 2rem 1.5rem;
    }

    .domain-name { font-size: 1.6rem; }
    .tagline     { font-size: 1rem; }
}

/* ── Admin styles ────────────────────────────────────────────────── */
.admin-wrap {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.admin-wrap h1 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    color: var(--color-heading);
}

.admin-bar {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.admin-bar select,
.admin-bar input {
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
    border: 2px solid var(--input-border);
    border-radius: 6px;
    background: var(--input-bg);
    color: var(--color-text);
}

.admin-bar .btn-sm,
.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: #fff;
    background: var(--color-primary);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

.admin-bar .btn-sm:hover,
.btn-sm:hover { opacity: 0.85; }

.admin-count {
    font-size: 0.9rem;
    opacity: 0.7;
    margin-left: auto;
}

.offers-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.offers-table th,
.offers-table td {
    text-align: left;
    padding: 0.6rem 0.75rem;
    border-bottom: 1px solid var(--border);
}

.offers-table th {
    background: var(--bg-surface);
    color: var(--color-heading);
    font-weight: 600;
    position: sticky;
    top: 0;
}

.offers-table tr:hover td {
    background: var(--bg-hover);
}

/* Admin login */
.admin-login {
    max-width: 360px;
    margin: 8vh auto;
    padding: 2rem;
    background: var(--bg-surface);
    border-radius: 8px;
    border: 1px solid var(--border);
    box-shadow: 0 4px 24px var(--shadow);
}

.admin-login h1 {
    font-size: 1.4rem;
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--color-heading);
}

@media (max-width: 768px) {
    .offers-table { font-size: 0.8rem; }
    .offers-table th, .offers-table td { padding: 0.4rem 0.5rem; }
    .admin-wrap { padding: 1rem; }
}

/* ── Offer detail ────────────────────────────────────────────────── */
.offer-detail {
    margin-top: 1.5rem;
    max-width: 640px;
}

.offer-dl {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 0.6rem 1rem;
}

.offer-dl dt {
    font-weight: 600;
    color: var(--color-heading);
    padding-top: 0.1rem;
}

.offer-dl dd {
    margin: 0;
    word-break: break-word;
}

.offer-dl .offer-message {
    white-space: pre-wrap;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.6rem 0.75rem;
    line-height: 1.6;
}

/* ── Tabs ─────────────────────────────────────────────────────────── */
.tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--border);
    margin-bottom: 1.25rem;
}

.tab {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 1.25rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-muted);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: color 0.15s, border-color 0.15s;
}

.tab:hover { color: var(--color-heading); }

.tab-active {
    color: var(--color-heading);
    border-bottom-color: var(--color-accent);
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.3rem;
    height: 1.3rem;
    padding: 0 0.35rem;
    font-size: 0.75rem;
    font-weight: 700;
    color: #fff;
    background: var(--color-accent);
    border-radius: 999px;
}

/* ── Unread row ──────────────────────────────────────────────────── */
.row-unread td {
    font-weight: 600;
    background: var(--unread-bg);
}

.row-unread:hover td {
    background: var(--unread-hover);
}

/* ── Pagination ──────────────────────────────────────────────────── */
.pagination {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 1.25rem;
}

.page-info {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* ── Blacklist section ───────────────────────────────────────────── */
.blacklist-section {
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.blacklist-section h2 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--color-heading);
}

.blacklist-form {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.blacklist-form select,
.blacklist-form input {
    padding: 0.45rem 0.65rem;
    font-size: 0.9rem;
    border: 2px solid var(--input-border);
    border-radius: 6px;
    background: var(--input-bg);
    color: var(--color-text);
}

.blacklist-form input { flex: 1; max-width: 300px; }

/* ── Settings ────────────────────────────────────────────────────── */
.settings-section {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.25rem 1.5rem;
}