:root {
  --bg: #0a0a0f;
  --surface: #111118;
  --border: #1e1e2e;
  --accent: #00e5a0;
  --accent-dim: rgba(0,229,160,0.12);
  --accent-glow: rgba(0,229,160,0.25);
  --warn: #f97316;
  --warn-dim: rgba(249,115,22,0.12);
  --danger: #ef4444;
  --danger-dim: rgba(239,68,68,0.12);
  --purple: #a78bfa;
  --purple-dim: rgba(167,139,250,0.12);
  --muted: #4a4a6a;
  --text: #e8e8f0;
  --text-dim: #8888aa;
  --card: #13131c;
  --sidebar-w: 240px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Mono', monospace;
  min-height: 100vh;
}

/* ── Sidebar layout ─────────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 100;
}

.sidebar-brand {
  padding: 28px 20px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border);
}

.brand-icon {
  width: 38px; height: 38px;
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; flex-shrink: 0;
}

.brand-name {
  font-family: 'Syne', sans-serif;
  font-size: 16px; font-weight: 800;
  line-height: 1.1;
}
.brand-name span { color: var(--accent); }
.brand-sub { font-size: 10px; color: var(--text-dim); margin-top: 2px; letter-spacing: .5px; }

.nav-section { padding: 20px 12px; flex: 1; }
.nav-label { font-size: 9px; text-transform: uppercase; letter-spacing: 2px; color: var(--muted); padding: 0 8px; margin-bottom: 8px; }

.nav-link {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 13px;
  transition: all .15s;
  margin-bottom: 2px;
}
.nav-link:hover { background: rgba(255,255,255,.04); color: var(--text); }
.nav-link.active { background: var(--accent-dim); color: var(--accent); }
.nav-icon { font-size: 14px; width: 18px; text-align: center; }

.sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid var(--border);
}
.nav-user {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px; margin-bottom: 8px;
  font-size: 12px; color: var(--text-dim);
}
.user-avatar {
  width: 28px; height: 28px;
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; color: var(--accent); font-weight: 700;
  flex-shrink: 0;
}
.btn-logout {
  width: 100%; padding: 8px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-dim);
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  cursor: pointer;
  transition: all .15s;
}
.btn-logout:hover { border-color: var(--danger); color: var(--danger); }

.main-content {
  margin-left: var(--sidebar-w);
  padding: 36px 40px;
  min-height: 100vh;
}

/* ── Page header ─────────────────────────────────────────────── */
.page-header {
  display: flex; align-items: flex-start;
  justify-content: space-between; flex-wrap: wrap; gap: 16px;
  margin-bottom: 28px;
}
.page-header h2 {
  font-family: 'Syne', sans-serif;
  font-size: 24px; font-weight: 800;
}
.page-sub { font-size: 12px; color: var(--text-dim); margin-top: 4px; }
.page-actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  padding: 9px 20px;
  border-radius: 8px; border: none;
  font-family: 'DM Mono', monospace;
  font-size: 13px; font-weight: 500;
  cursor: pointer; transition: all .2s;
  display: inline-flex; align-items: center; gap: 8px;
  text-decoration: none; white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #000; }
.btn-primary:hover { background: #00ffb3; box-shadow: 0 0 16px var(--accent-glow); transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.btn-outline:hover { background: var(--accent-dim); }
.btn-purple { background: transparent; color: var(--purple); border: 1px solid var(--purple); }
.btn-purple:hover { background: var(--purple-dim); }
.btn-full { width: 100%; justify-content: center; padding: 12px; font-size: 14px; }
.btn-delete {
  background: transparent; border: 1px solid var(--border);
  color: var(--muted); border-radius: 6px;
  width: 28px; height: 28px; cursor: pointer;
  font-size: 11px; transition: all .15s;
  display: flex; align-items: center; justify-content: center;
}
.btn-delete:hover { border-color: var(--danger); color: var(--danger); background: var(--danger-dim); }

/* ── Alerts ──────────────────────────────────────────────────── */
.alert {
  padding: 12px 16px; border-radius: 8px; font-size: 13px;
  margin-bottom: 20px; display: flex; align-items: center; gap: 10px;
}
.alert-error   { background: rgba(239,68,68,.1);  border: 1px solid rgba(239,68,68,.3);  color: #fca5a5; }
.alert-success { background: rgba(0,229,160,.1);  border: 1px solid rgba(0,229,160,.3);  color: var(--accent); }

/* ── Stats ───────────────────────────────────────────────────── */
.stats-bar { display: flex; gap: 12px; margin-bottom: 24px; flex-wrap: wrap; }
.stat-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px 20px;
  flex: 1; min-width: 120px;
}
.stat-card.accent { border-color: rgba(0,229,160,.3); }
.stat-card.warn   { border-color: rgba(249,115,22,.3); }
.stat-card.danger { border-color: rgba(239,68,68,.3); }
.stat-value {
  font-family: 'Syne', sans-serif;
  font-size: 28px; font-weight: 800; line-height: 1;
}
.stat-card.accent .stat-value { color: var(--accent); }
.stat-card.warn   .stat-value { color: var(--warn); }
.stat-card.danger .stat-value { color: var(--danger); }
.stat-label { font-size: 11px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 1px; margin-top: 6px; }

/* ── Toolbar ─────────────────────────────────────────────────── */
.toolbar {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 14px; flex-wrap: wrap;
}
.search-wrap { position: relative; flex: 1; max-width: 300px; }
.search-icon { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); color: var(--muted); font-size: 15px; }
.filter-btns { display: flex; gap: 6px; }
.filter-btn {
  padding: 7px 14px; border-radius: 6px;
  border: 1px solid var(--border); background: transparent;
  font-family: 'DM Mono', monospace; font-size: 11px;
  color: var(--text-dim); cursor: pointer; transition: all .15s;
  text-transform: uppercase; letter-spacing: 1px;
}
.filter-btn.active, .filter-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }

/* ── Inputs ──────────────────────────────────────────────────── */
input[type="text"], input[type="email"], input[type="password"],
input[type="number"], input[type="file"] {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 8px; padding: 9px 13px;
  font-family: 'DM Mono', monospace; font-size: 13px;
  color: var(--text); outline: none; width: 100%;
  transition: border-color .2s;
}
input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }
input::placeholder { color: var(--muted); }
.search-wrap input { padding-left: 33px; }
.file-input { padding: 7px 12px; cursor: pointer; }

.field-group { display: flex; flex-direction: column; gap: 7px; }
label { font-size: 11px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 1.2px; }
.optional { text-transform: none; color: var(--muted); font-size: 10px; }

/* ── Cards ───────────────────────────────────────────────────── */
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; padding: 24px;
  position: relative; overflow: hidden;
}
.card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 2px; background: linear-gradient(90deg, var(--accent), transparent);
}
.card-title {
  font-family: 'Syne', sans-serif; font-size: 14px; font-weight: 700;
  margin-bottom: 12px;
}
.card-desc { font-size: 12px; color: var(--text-dim); margin-bottom: 16px; line-height: 1.6; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 800px) { .two-col { grid-template-columns: 1fr; } }

.settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 600px) { .settings-grid { grid-template-columns: 1fr; } }

.file-example {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 8px; padding: 12px 14px; margin-bottom: 4px;
}
.file-example-title { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 6px; }
.file-example pre { font-family: 'DM Mono', monospace; font-size: 12px; color: var(--accent); line-height: 1.7; }

/* ── Table ───────────────────────────────────────────────────── */
.table-wrap {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; overflow: hidden;
}
.table-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px; border-bottom: 1px solid var(--border);
  gap: 12px; flex-wrap: wrap;
}
.row-count { font-size: 12px; color: var(--text-dim); }

table { width: 100%; border-collapse: collapse; }
thead { background: var(--surface); border-bottom: 1px solid var(--border); }
th {
  padding: 12px 16px; font-size: 10px; text-transform: uppercase;
  letter-spacing: 2px; color: var(--text-dim); text-align: left; font-weight: 500;
  white-space: nowrap;
}
th.sortable { cursor: pointer; user-select: none; }
th.sortable:hover { color: var(--accent); }
th.sorted .sort-icon { color: var(--accent); }

td {
  padding: 12px 16px; font-size: 13px;
  border-bottom: 1px solid var(--border); vertical-align: middle;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,.02); }
tr.hidden { display: none; }

.domain-name { font-weight: 500; }
.tld { color: var(--accent); }
.date-cell { color: var(--text-dim); font-size: 12px; }
.muted { color: var(--muted); }
.price { color: #34d399; font-weight: 500; }
.days-ok { color: var(--text-dim); }
.days-warn { color: var(--warn); font-weight: 600; }
.days-expired { color: var(--danger); font-weight: 600; }

.status-badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px; border-radius: 20px;
  font-size: 11px; font-weight: 500;
  text-transform: uppercase; letter-spacing: .5px;
}
.status-active   { background: var(--accent-dim); color: var(--accent); border: 1px solid rgba(0,229,160,.2); }
.status-expiring { background: var(--warn-dim);   color: var(--warn);   border: 1px solid rgba(249,115,22,.2); }
.status-expired  { background: var(--danger-dim); color: var(--danger); border: 1px solid rgba(239,68,68,.2); }
.status-unknown  { background: rgba(100,100,120,.12); color: var(--muted); border: 1px solid rgba(100,100,120,.2); }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

.table-footer {
  padding: 11px 16px; border-top: 1px solid var(--border);
  font-size: 12px; color: var(--text-dim);
  background: var(--surface);
}

.empty-state {
  text-align: center; padding: 60px 20px;
}
.empty-state .big-icon { font-size: 44px; margin-bottom: 14px; opacity: .4; }
.empty-state p  { font-size: 14px; color: var(--text-dim); margin-bottom: 6px; }
.empty-state small { font-size: 12px; color: var(--muted); line-height: 1.7; }
.link { color: var(--accent); text-decoration: none; }
.link:hover { text-decoration: underline; }

/* ── Login page ──────────────────────────────────────────────── */
.login-body {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh;
  background-image:
    linear-gradient(rgba(0,229,160,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,160,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}
.login-wrap {
  width: 100%; max-width: 380px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 16px; padding: 40px;
  position: relative; overflow: hidden;
}
.login-wrap::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 2px; background: linear-gradient(90deg, var(--accent), transparent);
}
.login-brand { text-align: center; margin-bottom: 32px; }
.login-icon { font-size: 36px; margin-bottom: 12px; }
.login-brand h1 {
  font-family: 'Syne', sans-serif; font-size: 22px; font-weight: 800;
}
.login-brand h1 span { color: var(--accent); }
.login-brand p { font-size: 12px; color: var(--text-dim); margin-top: 6px; }
.login-wrap .field-group { margin-bottom: 14px; }

/* ── Spinner ─────────────────────────────────────────────────── */
.spin-icon { display: inline-block; }
.loading .spin-icon { animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .main-content { margin-left: 0; padding: 20px; }
  .stats-bar { flex-wrap: wrap; }
  .page-header { flex-direction: column; }
}