:root {
    color-scheme: light dark;
    --bg: #0a0e1a;
    --bg-2: #141d33;
    --fg: #e9edf5;
    --card: #182238;
    --accent: #e8a53d;
    --accent-fg: #2a1a04;
    --link: #f0b64f;
    --ok: #3ddc84;
    --error: #ff6b6b;
    --border: #34405f;
    --muted: #93a0c2;
    --code-bg: #0a0e1a;
    --gold-1: #f5cf7d;
    --gold-2: #d9932a;
}

@media (prefers-color-scheme: light) {
    :root {
        --bg: #f2f0e6;
        --bg-2: #ffffff;
        --fg: #24272f;
        --card: #ffffff;
        --accent: #b9791b;
        --accent-fg: #fff7e8;
        --link: #9a6314;
        --ok: #1a9d5c;
        --error: #d6403f;
        --border: #d9d2bd;
        --muted: #6b6455;
        --code-bg: #eee9db;
        --gold-1: #e8b94f;
        --gold-2: #b9791b;
    }
}

* { box-sizing: border-box; }

body {
    background:
        radial-gradient(ellipse 1200px 600px at 50% -10%, var(--bg-2) 0%, transparent 60%),
        var(--bg);
    background-attachment: fixed;
    color: var(--fg);
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
    margin: 0;
    padding: 0 1rem 2rem;
}

h1, h2, h3, nav a, nav button, .stat-value, .rank-badge, th {
    font-family: "Oswald", "Segoe UI", system-ui, sans-serif;
}

h1, h2, h3 {
    text-transform: uppercase;
    letter-spacing: 0.03em;
    font-weight: 600;
    color: var(--gold-1);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
}

h1 {
    border-bottom: 2px solid var(--accent);
    padding-bottom: 0.4rem;
    display: inline-block;
}

.nav-toggle-checkbox {
    display: none;
}

nav {
    padding: 0 1rem;
    margin: 0 -1rem 1.5rem;
    background: linear-gradient(180deg, var(--bg-2), var(--bg));
    border-bottom: 2px solid var(--accent);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
}

.nav-bar {
    display: none;
    align-items: center;
    justify-content: space-between;
    padding: 0.7rem 0;
}

.nav-brand {
    font-family: "Oswald", sans-serif;
    font-weight: 700;
    letter-spacing: 0.05em;
    font-size: 1.15rem;
    color: var(--gold-1) !important;
    text-decoration: none;
    border-bottom: none !important;
}

.nav-toggle {
    font-size: 1.6rem;
    line-height: 1;
    color: var(--gold-1);
    cursor: pointer;
    padding: 0.1rem 0.4rem;
}

.nav-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
    padding: 0.9rem 0;
}

.nav-links form {
    margin: 0;
}

.nav-links form:last-of-type {
    margin-left: auto;
}

nav a {
    color: var(--fg);
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.03em;
    padding: 0.2rem 0;
    border-bottom: 2px solid transparent;
}

nav a:hover {
    color: var(--gold-1);
    border-bottom-color: var(--accent);
}

nav button {
    background: linear-gradient(180deg, var(--gold-1), var(--gold-2));
    color: var(--accent-fg);
    border: 1px solid rgba(0, 0, 0, 0.25);
    padding: 0.45rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.03em;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 1px 3px rgba(0, 0, 0, 0.3);
}

.btn-muted {
    background: var(--border);
    color: var(--fg);
}

nav select {
    background: var(--card);
    color: var(--fg);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.3rem 0.5rem;
}

@media (max-width: 760px) {
    nav { padding: 0 0.75rem; }
    .nav-bar { display: flex; }
    .nav-links {
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
        padding: 0 0 1rem;
    }
    .nav-links form:last-of-type {
        margin-left: 0;
    }
    .nav-links button, .nav-links select {
        width: 100%;
    }
    .nav-toggle-checkbox:checked ~ nav .nav-links {
        display: flex;
    }
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.5rem;
    background: var(--card);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

th {
    text-align: left;
    padding: 0.6rem 0.75rem;
    background: var(--bg-2);
    color: var(--gold-1);
    text-transform: uppercase;
    font-size: 0.78rem;
    letter-spacing: 0.04em;
    border-bottom: 2px solid var(--accent);
}

td {
    text-align: left;
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--border);
}

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

.sync-info .ok, .log-entry.ok strong {
    color: var(--ok);
}

.sync-info .error, .log-entry.error strong {
    color: var(--error);
}

.log-entry {
    background: var(--card);
    border-left: 3px solid var(--accent);
    border-radius: 4px 8px 8px 4px;
    padding: 0.75rem 1rem;
    margin-bottom: 0.75rem;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.log-entry.error {
    border-left-color: var(--error);
}

.review-layout {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    align-items: flex-start;
}

.review-layout > div {
    flex: 1;
    min-width: 300px;
}

.review-image {
    max-width: 100%;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.raw-line {
    font-family: monospace;
    color: var(--muted);
    font-size: 0.85rem;
}

input[type="text"], input[type="number"], input[type="date"] {
    background: var(--bg-2);
    border: 1px solid var(--border);
    color: var(--fg);
    padding: 0.3rem 0.5rem;
    border-radius: 4px;
    width: 100%;
    max-width: 160px;
}

input.col-narrow {
    max-width: 70px;
}

input[type="password"] {
    background: var(--bg-2);
    border: 1px solid var(--border);
    color: var(--fg);
    padding: 0.3rem 0.5rem;
    border-radius: 4px;
    width: 100%;
    max-width: 260px;
}

button, input[type="submit"] {
    background: linear-gradient(180deg, var(--gold-1), var(--gold-2));
    color: var(--accent-fg);
    border: 1px solid rgba(0, 0, 0, 0.25);
    padding: 0.5rem 1.1rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 700;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 1px 3px rgba(0, 0, 0, 0.3);
}

.delta-up { color: var(--ok); }
.delta-down { color: var(--error); }

.rank-badge {
    background: linear-gradient(180deg, var(--gold-1), var(--gold-2));
    color: var(--accent-fg);
    padding: 0.15rem 0.55rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
}

.tier-badge {
    display: inline-block;
    padding: 0.1rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    font-family: "Oswald", sans-serif;
    letter-spacing: 0.03em;
    color: white;
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.4);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
}

.tier-mr {
    background: linear-gradient(135deg, #ff4d4d, #b3121f);
    box-shadow: 0 0 6px rgba(255, 60, 60, 0.6), 0 1px 3px rgba(0, 0, 0, 0.35);
}

.tier-ur {
    background: linear-gradient(135deg, #f5cf7d, #c8862f);
}

.tier-ssr {
    background: linear-gradient(135deg, #d9a8ff, #8b3fd6);
}

.tier-sr {
    background: linear-gradient(135deg, #8fc6ff, #2f6fe0);
}

tr.row-online td:nth-child(2) a {
    font-weight: 700;
}

tr.row-me {
    background: rgba(232, 165, 61, 0.15);
    outline: 1px solid var(--accent);
}

tr.row-top {
    background: linear-gradient(90deg, rgba(245, 207, 125, 0.25), transparent);
}

tr.row-top td:nth-child(3) a {
    font-weight: 700;
    color: var(--gold-1);
}

tr.row-suspicious {
    background: rgba(230, 160, 30, 0.15);
    outline: 1px solid #e6a01e;
}

.warn-badge {
    margin-left: 0.4rem;
    color: #e6a01e;
    cursor: help;
}

.stat-row {
    display: flex;
    gap: 1rem;
    margin: 1rem 0 1.5rem;
    flex-wrap: wrap;
}

.stat-tile {
    background: var(--card);
    border-top: 3px solid var(--accent);
    border-radius: 4px 4px 8px 8px;
    padding: 1rem 1.5rem;
    min-width: 220px;
    flex: 1 1 220px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.stat-label {
    color: var(--muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-value {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--gold-1);
}

.settings-table td {
    vertical-align: top;
    padding: 0.75rem;
}

.settings-table td:first-child {
    white-space: nowrap;
    font-weight: 600;
}

.hint {
    color: var(--muted);
    font-size: 0.85rem;
    margin: 0.3rem 0 0;
}

.chart-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.chart-card {
    background: var(--card);
    border-top: 3px solid var(--accent);
    border-radius: 4px 4px 8px 8px;
    padding: 1rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.chart-card h3 {
    margin-top: 0;
}

textarea.export-box {
    width: 100%;
    min-height: 300px;
    background: var(--bg-2);
    color: var(--fg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
    font-family: monospace;
    font-size: 0.9rem;
    box-sizing: border-box;
}

.auth-page {
    max-width: 360px;
    margin: 4rem auto;
    padding: 2rem;
    background: var(--card);
    border-top: 3px solid var(--accent);
    border-radius: 4px 4px 12px 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.auth-page form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
}

.auth-page input {
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--fg);
    padding: 0.6rem 0.75rem;
    border-radius: 6px;
    font-size: 1rem;
}

.auth-page button {
    padding: 0.7rem;
    font-size: 1rem;
}

.log-entry pre {
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 300px;
    overflow-y: auto;
    background: var(--code-bg);
    padding: 0.5rem;
    border-radius: 6px;
}