:root {
    --bg: #eae7df;
    --card: #fffdf8;
    --border: #ded9ce;
    --soft: #f4f0e7;
    --ink: #292720;
    --muted: #655f53;
    --accent: #245b18;
    --accent-2: #d6ebcf;
    --danger: #7a2216;
    --danger-soft: #f6d5d0;
    --warn: #6d4c00;
    --warn-soft: #f8e7bf;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--ink);
    font-family: Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
}

a { color: var(--accent); text-decoration: none; font-weight: 600; }
a:hover { text-decoration: underline; }

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    padding: 12px 20px;
    background: var(--border);
    position: sticky;
    top: 0;
    z-index: 5;
}

.topbar h1 { font-size: 20px; margin: 0; font-weight: 700; }

.topbar .nav {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.topbar .nav a {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 6px;
    background: var(--card);
    border: 1px solid var(--border);
    color: var(--ink);
    font-size: 14px;
    font-weight: 600;
}

.topbar .nav a.primary {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.container {
    width: min(100%, 1100px);
    margin: 0 auto;
    padding: 28px 20px 60px;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px 22px;
    margin-bottom: 20px;
}

.card h2 {
    margin: 0 0 12px;
    font-size: 18px;
}

.muted { color: var(--muted); font-size: 14px; }

.btn {
    display: inline-block;
    padding: 10px 18px;
    font-size: 15px;
    font-weight: 700;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--card);
    color: var(--ink);
    cursor: pointer;
    text-align: center;
}

.btn:hover { text-decoration: none; opacity: 0.9; }

.btn-primary {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    box-shadow: 0 2px 6px rgba(36, 91, 24, 0.25);
}

.btn-ghost { background: transparent; }

.btn-large {
    padding: 16px 22px;
    font-size: 18px;
    width: 100%;
}

.hero {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 20px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--accent) 0%, #3a7a2a 100%);
    color: #fff;
    margin-bottom: 20px;
}

.hero h2 { color: #fff; margin: 0; font-size: 22px; }
.hero p { margin: 0; color: rgba(255,255,255,0.9); font-size: 15px; }
.hero .btn { background: #fff; color: var(--accent); border-color: #fff; }

.progress {
    height: 28px;
    background: #d9d4c8;
    border-radius: 6px;
    overflow: hidden;
    position: relative;
}

.progress > div {
    height: 100%;
    background: var(--accent);
    color: #fff;
    text-align: center;
    line-height: 28px;
    font-size: 13px;
    font-weight: 700;
    white-space: nowrap;
}

.stat-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
}

.stat {
    flex: 1 1 150px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 12px 14px;
}

.stat span {
    display: block;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--muted);
    margin-bottom: 2px;
}

.stat strong { font-size: 20px; }

.shelf {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    justify-content: center;
    margin: 18px 0;
}

.book {
    text-align: center;
    max-width: 150px;
}

.book img {
    width: 150px;
    height: auto;
    border: 1px solid var(--border);
    border-radius: 4px;
    display: block;
}

.book a { color: var(--ink); font-weight: 400; display: block; margin-top: 6px; }

.form-row { margin-bottom: 14px; }
.form-row label {
    display: block;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--muted);
    margin-bottom: 4px;
}

.form-row input, .form-row textarea, .form-row select {
    width: 100%;
    padding: 10px 12px;
    font: 16px Arial, sans-serif;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: #fff;
}

.alert {
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 14px;
}

.alert-error { background: var(--danger-soft); color: var(--danger); border: 1px solid #e2b4ad; }
.alert-success { background: var(--accent-2); color: var(--accent); border: 1px solid #b8d8b0; }

.footer-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-top: 22px;
}

.table-wrap {
    overflow-x: auto;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 6px;
    margin-bottom: 26px;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th, td {
    padding: 10px 14px;
    border-bottom: 1px solid #eee7d9;
    font-size: 15px;
}

th {
    background: var(--soft);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--muted);
}

tbody tr:last-child td { border-bottom: none; }

.badge {
    display: inline-block;
    padding: 3px 9px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
    white-space: nowrap;
}

.score-0 { background: var(--danger-soft); color: var(--danger); }
.score-1 { background: var(--warn-soft); color: var(--warn); }
.score-2 { background: var(--accent-2); color: var(--accent); }
.score-none { background: #eceae4; color: var(--muted); }

.empty {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 24px;
    text-align: center;
    color: var(--muted);
}

.empty a { color: var(--accent); }

@media (max-width: 600px) {
    .container { padding: 18px 14px 40px; }
    .topbar { padding: 10px 14px; }
}