:root {
  --bg: #0b0d12;
  --bg-gradient: radial-gradient(1200px 600px at 10% -10%, rgba(79, 140, 255, 0.10), transparent),
                 radial-gradient(1000px 500px at 100% 0%, rgba(88, 101, 242, 0.08), transparent);
  --panel: #151822;
  --panel-2: #1b1f2c;
  --border: #262b3a;
  --border-soft: #1e222f;
  --text: #eef0f4;
  --muted: #8b93a7;
  --accent: #5b8cff;
  --accent-2: #7c9cff;
  --accent-soft: rgba(91, 140, 255, 0.14);
  --green: #34d399;
  --red: #f87171;
  --yellow: #fbbf24;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Inter", -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg-gradient), var(--bg);
  background-attachment: fixed;
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { letter-spacing: -0.01em; }
h2 { font-size: 1.5rem; margin: 0 0 18px; }
h3 { font-size: 1.1rem; color: var(--muted); font-weight: 600; margin: 28px 0 12px; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(21, 24, 34, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-soft);
}
.topbar-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 14px 24px;
}
.topbar-brand { display: flex; align-items: center; gap: 8px; }
.topbar-brand a {
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: -0.01em;
}
.version-tag {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 600;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 8px;
}
.brand-mark {
  background: linear-gradient(135deg, var(--accent), #8b5cf6);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 7px;
  border-radius: 6px;
  letter-spacing: 0.02em;
}
.topbar-nav { display: flex; gap: 4px; flex: 1; }
.topbar-nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 500;
  transition: background 0.15s ease, color 0.15s ease;
}
.topbar-nav a:hover { color: var(--text); background: var(--panel-2); }
.topbar-nav a.active { color: var(--text); background: var(--accent-soft); }
.topbar-logout { display: flex; align-items: center; gap: 12px; }
.topbar-user { color: var(--muted); font-size: 0.88rem; }

.content { max-width: 1400px; margin: 0 auto; padding: 32px 24px 60px; }
.content > h2 { text-align: center; }
.page-intro { text-align: center; max-width: 640px; margin: 0 auto 20px; color: var(--muted); }
.narrow { max-width: 640px; margin: 0 auto; }
.center { text-align: center; }

.login-wrap { display: flex; justify-content: center; align-items: center; min-height: 90vh; }
.login-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 36px 32px;
  width: 340px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-align: center;
}
.login-card h1 { margin: 0; font-size: 1.4rem; }

.discord-login-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 6px;
  padding: 11px 14px;
  color: #fff;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  background: #5865F2;
  transition: filter 0.15s ease, transform 0.1s ease;
}
.discord-login-btn:hover { filter: brightness(1.1); }
.discord-login-btn:active { transform: scale(0.98); }

input, button, select, textarea {
  font: inherit;
  background: #0e1017;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  width: 100%;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
button, .button {
  cursor: pointer;
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: auto;
  transition: filter 0.15s ease, transform 0.1s ease;
}
button:hover, .button:hover { filter: brightness(1.12); }
button:active, .button:active { transform: scale(0.98); }
.button-secondary { background: var(--panel-2); border-color: var(--border); color: var(--text); font-weight: 500; }

.error { color: var(--red); font-size: 0.9rem; }

.table-scroll { width: 100%; overflow-x: auto; }
table.data-table { width: 100%; border-collapse: collapse; }
table.data-table th {
  text-align: left; padding: 10px 12px; color: var(--muted); font-weight: 600;
  font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.03em;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
table.data-table td {
  text-align: left; padding: 12px; border-bottom: 1px solid var(--border-soft); vertical-align: top;
}
table.data-table tr:hover td { background: rgba(255, 255, 255, 0.015); }
table.data-table a { color: var(--accent-2); text-decoration: none; font-weight: 500; }
table.data-table a:hover { text-decoration: underline; }
table.data-table td.nowrap, table.data-table th.nowrap { white-space: nowrap; }

.badge {
  padding: 3px 10px; border-radius: 999px; font-size: 0.78rem; font-weight: 600;
  border: 1px solid var(--border); display: inline-block;
}
.badge-ok { color: var(--green); border-color: rgba(52, 211, 153, 0.35); background: rgba(52, 211, 153, 0.08); }
.badge-warn { color: var(--yellow); border-color: rgba(251, 191, 36, 0.35); background: rgba(251, 191, 36, 0.08); }
.badge-error { color: var(--red); border-color: rgba(248, 113, 113, 0.35); background: rgba(248, 113, 113, 0.08); }
.badge-muted { color: var(--muted); }

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

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 20px;
}

.form-card { display: flex; flex-direction: column; gap: 16px; max-width: 660px; margin: 0 auto; }
.form-card label { display: flex; flex-direction: column; gap: 6px; font-size: 0.88rem; color: var(--muted); font-weight: 500; }
.form-row { display: flex; gap: 16px; }
.form-row label { flex: 1; }
.radio-row { display: flex; gap: 24px; align-items: center; color: var(--text); font-size: 0.95rem; }
.radio-row label { flex-direction: row; align-items: center; gap: 8px; color: var(--text); font-weight: 400; }
.radio-row input { width: auto; accent-color: var(--accent); }
textarea { font-family: "SFMono-Regular", Consolas, monospace; font-size: 0.85rem; resize: vertical; min-height: 90px; }

.button-row { display: flex; gap: 10px; align-items: center; justify-content: center; margin: 18px 0; flex-wrap: wrap; }
.button-row form { display: inline; }
.button-row.left { justify-content: flex-start; }

.warning-banner {
  background: rgba(251, 191, 36, 0.08);
  border: 1px solid rgba(251, 191, 36, 0.3);
  color: var(--yellow);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-bottom: 18px;
  font-size: 0.9rem;
}
.warning-banner ul { margin: 6px 0 0; padding-left: 20px; }

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

.filter-bar { display: flex; gap: 8px; justify-content: center; margin-bottom: 20px; flex-wrap: wrap; }
.filter-bar a {
  padding: 6px 14px; border-radius: 999px; font-size: 0.85rem; font-weight: 500;
  color: var(--muted); text-decoration: none; border: 1px solid var(--border);
}
.filter-bar a:hover { color: var(--text); border-color: var(--accent-2); }
.filter-bar a.active { color: #fff; background: var(--accent); border-color: var(--accent); }

.changelog-body { color: var(--text); font-size: 0.92rem; line-height: 1.7; }
.changelog-body strong { color: var(--accent-2); }

/* Drag-and-drop Upload-Zone */
.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 48px 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.dropzone:hover { border-color: var(--accent-2); }
.dropzone.dragover {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.dropzone-icon {
  width: 48px; height: 48px; margin: 0 auto 14px;
  border-radius: 50%;
  background: var(--accent-soft);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent-2);
}
.dropzone-title { font-weight: 600; font-size: 1.02rem; margin-bottom: 4px; }
.dropzone-hint { color: var(--muted); font-size: 0.88rem; }
.dropzone input[type="file"] { display: none; }
.dropzone-filename {
  margin-top: 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  font-size: 0.88rem;
  color: var(--text);
}