:root {
  --bg: #0b0d10;
  --panel: #10141a;
  --card: #161a20;
  --card2: #1d232b;
  --border: #2a313c;
  --border-soft: #232a33;
  --text: #f5f7fa;
  --muted: #8b95a3;
  --label: #c6cdd6;
  --input-bg: #0f1318;
  --nav: #1b2129;
  --btn-gray-bg: #3a414d;
  --btn-gray-text: #e5e9f0;
  --badge-bg: #1d232b;
  --badge-red-bg: #2a1515;  --badge-red: #ef5350;
  --badge-green-bg: #12291a; --badge-green: #6fcf7c;
  --badge-warn-bg: #2b1d0b; --badge-warn: #ffa733;
  --link: #4d9fea;
  --value-red: #ef5350;
}
[data-theme="light"] {
  --bg: #f2f4f8;
  --panel: #ffffff;
  --card: #ffffff;
  --card2: #eef1f5;
  --border: #dfe4ea;
  --border-soft: #e5e9f0;
  --text: #1c2430;
  --muted: #6b7686;
  --label: #414b57;
  --input-bg: #fbfcfe;
  --nav: #eef1f5;
  --btn-gray-bg: #9aa3af;
  --btn-gray-text: #ffffff;
  --badge-bg: #eef1f5;
  --badge-red-bg: #fdecea;  --badge-red: #e53935;
  --badge-green-bg: #e8f5e9; --badge-green: #2e7d32;
  --badge-warn-bg: #fff3e0; --badge-warn: #ef6c00;
  --link: #2778e9;
  --value-red: #e53935;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif; background: var(--bg); color: var(--text); }
a { color: inherit; text-decoration: none; }
h1 { font-size: 26px; }
h2 { font-size: 18px; margin-bottom: 12px; }

/* login */
.login-wrap { min-height: 100vh; background: var(--bg); display: grid; place-items: center; padding: 16px; }
.login-card { width: 100%; max-width: 420px; padding: 32px; display: flex; flex-direction: column; gap: 14px; }
.login-card h1 { text-align: center; margin-bottom: 6px; }

/* shell */
.shell { display: flex; min-height: 100vh; }
.sidebar { width: 230px; background: var(--panel); border-right: 1px solid var(--border-soft); padding: 20px 14px; display: flex; flex-direction: column; gap: 8px; position: sticky; top: 0; height: 100vh; }
.brand { font-size: 20px; font-weight: 800; color: #4caf50; padding: 6px 12px 18px; }
.sidebar nav { display: flex; flex-direction: column; gap: 6px; }
.sidebar nav a { padding: 12px 14px; border-radius: 10px; background: var(--nav); font-weight: 600; color: var(--label); }
.sidebar nav a.active { background: #4caf50; color: #fff; }
.sidebar nav a.logout { background: var(--badge-red-bg); color: var(--badge-red); margin-top: auto; }
.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar { display: flex; align-items: center; gap: 12px; padding: 14px 24px; background: var(--panel); border-bottom: 1px solid var(--border-soft); }
.topbar .spacer { flex: 1; }
.lang button { border: 1px solid var(--border); background: var(--card); color: var(--label); padding: 6px 10px; border-radius: 8px; cursor: pointer; font-weight: 700; }
.lang button.active { background: var(--text); color: var(--bg); border-color: var(--text); }
.icon-toggle { border: 1px solid var(--border); background: var(--card); color: var(--label); padding: 5px 9px; border-radius: 8px; cursor: pointer; font-size: 15px; }
.content { padding: 24px; display: flex; flex-direction: column; gap: 18px; }

/* cards */
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 20px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; }
.stat .label { color: var(--muted); font-weight: 600; font-size: 13px; }
.stat .value { font-size: 30px; font-weight: 800; margin-top: 6px; }
.value.green { color: #4caf50; }
.value.orange { color: #fb8c00; }
.value.red { color: var(--value-red); }
.stat-mini { display: flex; justify-content: space-between; padding: 10px 14px; background: var(--card2); border-radius: 10px; }

/* forms & buttons */
label { display: flex; flex-direction: column; gap: 6px; font-weight: 600; font-size: 14px; color: var(--label); }
input, select, textarea { border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; font-size: 14px; background: var(--input-bg); color: var(--text); width: 100%; }
.btn { border: none; border-radius: 8px; padding: 11px 18px; font-size: 14px; font-weight: 700; cursor: pointer; }
.btn-green { background: #4caf50; color: #fff; }
.btn-red { background: #e53935; color: #fff; }
.btn-orange { background: #fb8c00; color: #fff; }
.btn-gray { background: var(--btn-gray-bg); color: var(--btn-gray-text); }
.err { color: var(--value-red); font-size: 13px; min-height: 18px; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }

/* tables */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--border-soft); font-size: 14px; }
th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.badge { padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; background: var(--badge-bg); }
.badge.l0 { background: var(--badge-red-bg); color: var(--badge-red); }
.badge.ok { background: var(--badge-green-bg); color: var(--badge-green); }
.badge.warn { background: var(--badge-warn-bg); color: var(--badge-warn); }

/* editor & toolbar */
.toolbar { display: flex; gap: 6px; margin-bottom: 8px; flex-wrap: wrap; }
.toolbar button { min-width: 36px; padding: 8px 10px; border: 1px solid var(--border); background: var(--card2); color: var(--text); border-radius: 8px; cursor: pointer; font-weight: 700; }
.editor { min-height: 120px; border: 1px solid var(--border); border-radius: 8px; padding: 12px; background: var(--input-bg); color: var(--text); }
.editor:focus { outline: 2px solid #4caf5033; border-color: #4caf50; }
.editor a { color: var(--link); }

/* progress */
.progress { height: 10px; background: var(--card2); border-radius: 999px; overflow: hidden; margin: 8px 0; }
.progress > div { height: 100%; background: #4caf50; transition: width .3s; }

/* history */
.hist-date { color: var(--muted); font-size: 12px; }
.hist details { margin-top: 8px; }
.hist summary { cursor: pointer; color: var(--muted); font-size: 13px; }
.hist pre { margin-top: 8px; white-space: pre-wrap; font-family: inherit; color: var(--label); font-size: 13px; background: var(--input-bg); padding: 10px; border-radius: 8px; }