:root {
  --bg: #14161a;
  --panel: #1d2026;
  --border: #2a2f38;
  --text: #e6e6e6;
  --muted: #9aa3af;
  --accent: #4f8cff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

a { color: inherit; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
}

.topbar .brand { font-weight: 700; text-decoration: none; }
.topbar nav a { margin-left: 16px; text-decoration: none; color: var(--muted); }
.topbar nav a:hover { color: var(--text); }

main { padding: 20px; }

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 20px;
}

.filters .search {
  flex: 1 1 240px;
  padding: 8px 10px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
}

.filters select {
  padding: 8px 10px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
}

.status-tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.status-tabs .tab {
  cursor: pointer;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--panel);
  color: var(--muted);
}
.status-tabs .tab input { display: none; }
.status-tabs .tab.active { color: #fff; border-color: var(--accent); background: var(--accent); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
}

.card {
  position: relative;
  display: block;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  text-decoration: none;
}
.card:hover { border-color: var(--accent); }
.card-main { display: block; text-decoration: none; color: inherit; }
.card-manage {
  position: absolute;
  top: 6px;
  right: 6px;
  z-index: 2;
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.62);
  color: #fff;
  font-size: 11px;
  line-height: 1.4;
  text-decoration: none;
}
.card-manage:hover { background: var(--accent); }

.cover {
  aspect-ratio: 3 / 4;
  background: #0c0e12;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.cover.no-cover, .cover:has(.cover-placeholder) {
  background: repeating-linear-gradient(45deg, #1a1d23, #1a1d23 8px, #161920 8px, #161920 16px);
}
.cover-placeholder { width: 100%; height: 100%; }

.card-body { padding: 10px; }
.card-title {
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card-meta {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
}
.status-read { color: #4caf7d; }
.status-reading { color: var(--accent); }
.status-archived { color: #777; }
.card-progress { font-size: 12px; color: var(--muted); margin-top: 6px; }
.card-progress .fav { color: #ffce54; margin-left: 6px; }

.empty { color: var(--muted); }

.detail { max-width: 860px; margin: 0 auto; }
.detail-cover img { max-width: 100%; border-radius: 10px; }
.detail h1 { font-size: 22px; }
.detail-info { display: grid; grid-template-columns: 120px 1fr; gap: 6px 12px; }
.detail-info dt { color: var(--muted); }
.detail-info dd { margin: 0; word-break: break-all; }
.tag {
  display: inline-block;
  padding: 2px 8px;
  margin-right: 6px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--border);
  font-size: 12px;
}
.actions { display: flex; gap: 10px; margin-top: 20px; flex-wrap: wrap; }
.btn {
  padding: 8px 14px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  font-size: 14px;
}

.settings-form { display: flex; flex-direction: column; gap: 12px; max-width: 420px; }
.settings-form label { display: flex; flex-direction: column; gap: 4px; color: var(--muted); }
.settings-form input {
  padding: 8px 10px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
}
.save-status { color: #4caf7d; }

.reader { max-width: 1000px; margin: 0 auto; }
.reader-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  position: sticky;
  top: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  z-index: 5;
}
.reader-header a { color: var(--muted); text-decoration: none; }
.reader-title { font-weight: 600; }
.reader-counter { color: var(--muted); font-variant-numeric: tabular-nums; }
.reader-images {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 16px 0;
}
.reader-img { max-width: 100%; height: auto; display: block; }
.reader-sentinel { width: 100%; height: 1px; }
.reader-img-failed {
  width: 100%;
  padding: 24px;
  text-align: center;
  color: var(--muted);
  border: 1px dashed var(--border);
  border-radius: 8px;
}
.reader-img-failed a { color: var(--accent); margin-left: 8px; }
.reader-warning { text-align: center; color: #ffce54; padding: 8px; }
.login-box {
  max-width: 320px;
  margin: 15vh auto 0;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--panel, #fff);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.login-box h1 { font-size: 18px; margin: 0 0 4px; }
.login-box input[type="password"] {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
}
.login-box button {
  padding: 8px 10px;
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}
.login-error { color: #e05c5c; margin: 0; font-size: 13px; }