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

:root {
  --bg: #08080b;
  --bg-card: #0e0e13;
  --bg-sidebar: #0a0a0e;
  --bg-elevated: #121218;
  --border: #1a1a22;
  --border-light: #252530;
  --border-accent: #2d1118;
  --text: #dcdce0;
  --text-dim: #6b6b78;
  --text-muted: #3d3d4a;
  --accent: #b42a2a;
  --accent-light: #d44040;
  --accent-dark: #7a1520;
  --accent-glow: rgba(180, 42, 42, 0.2);
  --input-bg: #0c0c10;
  --input-border: #1e1e28;
  --radius: 6px;
  --radius-sm: 4px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow: hidden;
}

a { color: var(--text-dim); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-light); }
.hidden { display: none !important; }

#particles {
  position: fixed; top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0; pointer-events: none;
}

/* ── Login ──────────────────────────────────────────────────────────────── */
.login-screen {
  position: fixed; inset: 0;
  display: flex; align-items: center; justify-content: center;
  z-index: 100;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0;
  width: 400px;
  position: relative; z-index: 10;
  box-shadow: 0 24px 80px rgba(0,0,0,0.7);
  overflow: hidden;
}

.login-card::before {
  content: '';
  display: block; height: 3px;
  background: linear-gradient(90deg, var(--accent-dark), var(--accent), var(--accent-dark));
}

.login-card > * { padding-left: 36px; padding-right: 36px; }

.login-logo {
  font-size: 15px; font-weight: 700;
  letter-spacing: 5px; color: var(--text);
  padding-top: 32px; padding-bottom: 24px;
}

.login-tabs {
  display: flex; gap: 0; margin-bottom: 24px;
  background: var(--input-bg); border-radius: var(--radius-sm); padding: 3px;
}

.login-tab {
  flex: 1; padding: 9px;
  background: transparent; border: none;
  color: var(--text-dim); font-size: 13px;
  cursor: pointer; transition: all 0.2s; border-radius: 3px;
}

.login-tab.active { background: var(--accent); color: #fff; font-weight: 600; }

.login-form-panel { display: none; }
.login-form-panel.active { display: block; }

.register-note {
  font-size: 11px; color: var(--text-dim); line-height: 1.5;
  margin-bottom: 14px; padding: 10px 12px;
  background: rgba(180,42,42,0.06);
  border-radius: var(--radius-sm); border: 1px solid var(--border-accent);
}

.register-hint {
  font-size: 11px; color: var(--text-muted); line-height: 1.5; margin-top: 14px;
}

.btn-secondary {
  width: 100%; padding: 10px;
  background: transparent; border: 1px solid var(--border-light);
  border-radius: var(--radius-sm); color: var(--text-dim);
  font-size: 12px; cursor: pointer; transition: all 0.2s; margin-bottom: 16px;
}

.btn-secondary:hover { border-color: var(--accent); color: var(--accent-light); }

.form-group { margin-bottom: 14px; }

.form-group label {
  display: block; font-size: 11px; color: var(--text-dim);
  margin-bottom: 5px; letter-spacing: 0.3px;
}

.form-group input {
  width: 100%; padding: 10px 12px;
  background: var(--input-bg); border: 1px solid var(--input-border);
  border-radius: var(--radius-sm); color: var(--text);
  font-size: 13px; outline: none; transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus {
  border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-glow);
}

.form-group input::placeholder { color: var(--text-muted); }

.btn-primary {
  width: 100%; padding: 11px;
  background: var(--accent); color: #fff; border: none;
  border-radius: var(--radius-sm); font-size: 13px; font-weight: 600;
  cursor: pointer; transition: all 0.2s; margin-top: 6px;
}

.btn-primary:hover { background: var(--accent-light); box-shadow: 0 4px 20px var(--accent-glow); }

.login-links {
  display: flex; justify-content: space-between;
  padding-top: 18px; padding-bottom: 28px; font-size: 12px;
}

.accent-link { color: var(--accent-light); font-weight: 500; }

/* ── Dashboard ──────────────────────────────────────────────────────────── */
.dashboard {
  display: flex; flex-direction: column;
  height: 100vh; position: relative; z-index: 1;
}

.sidebar {
  width: 100%; height: 52px;
  background: var(--bg-sidebar); border-bottom: 1px solid var(--border);
  display: flex; flex-direction: row; align-items: center;
  padding: 0 24px; z-index: 10; gap: 0;
}

.sidebar-header {
  display: flex; align-items: center; gap: 12px;
  padding: 0; margin-right: 28px;
}

.brand { font-size: 13px; font-weight: 700; letter-spacing: 4px; color: var(--accent-light); }

.sidebar-nav {
  display: flex; flex-direction: row; align-items: center;
  gap: 2px; overflow-x: auto; flex: 1;
}

.nav-section {
  font-size: 9px; color: var(--text-muted);
  letter-spacing: 1.5px; text-transform: uppercase;
  padding: 0 10px 0 16px; white-space: nowrap;
}

.nav-item {
  display: inline-block; padding: 7px 13px; font-size: 12px;
  color: var(--text-dim); cursor: pointer; transition: all 0.15s;
  border-radius: var(--radius-sm); white-space: nowrap;
}

.nav-item:hover { color: var(--text); background: rgba(255,255,255,0.04); }

.nav-item.active { color: #fff; background: var(--accent); }

.sidebar-footer {
  display: flex; align-items: center; gap: 12px;
  padding: 0; margin-left: auto;
}

.user-info { display: flex; align-items: center; gap: 8px; }
.user-avatar { width: 26px; height: 26px; border-radius: 50%; background: var(--border); }
.user-name { font-size: 12px; font-weight: 600; }

.btn-signout {
  padding: 5px 12px; background: transparent;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  color: var(--text-dim); font-size: 11px; cursor: pointer; transition: all 0.2s;
}

.btn-signout:hover { border-color: var(--accent); color: var(--accent-light); }

.content {
  flex: 1; overflow-y: auto;
  padding: 36px 48px;
  max-width: 1100px; margin: 0 auto; width: 100%;
}

.page { display: none; }
.page.active { display: block; }

.page-header h2 { font-size: 20px; font-weight: 700; letter-spacing: 0.5px; }
.page-header p  { font-size: 12px; color: var(--text-dim); margin-top: 3px; }

.page-body { margin-top: 28px; }
.page-body.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ── Cards ───────────────────────────────────────────────────────────────── */
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 8px; padding: 22px; position: relative;
}

.card.wide { width: 100%; }

.card-label {
  font-size: 9px; letter-spacing: 1.5px; color: var(--text-muted);
  margin-bottom: 14px; text-transform: uppercase;
}

.card-text { font-size: 13px; line-height: 1.6; margin-bottom: 10px; }
.card-text.dim { color: var(--text-dim); }

/* ── License grid ────────────────────────────────────────────────────────── */
.license-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px;
}

.license-item {
  background: var(--input-bg); border: 1px solid var(--input-border);
  border-radius: var(--radius-sm); padding: 10px 12px;
}

.li-label {
  display: block; font-size: 9px; color: var(--text-muted);
  margin-bottom: 3px; text-transform: uppercase; letter-spacing: 0.5px;
}

.li-value { font-size: 13px; font-weight: 600; }
.li-value.mono { font-family: monospace; font-size: 10px; word-break: break-all; }

.badge-accent {
  background: var(--accent); color: #fff;
  padding: 2px 7px; border-radius: 3px; font-size: 10px; font-weight: 600;
}

/* ── Code block ──────────────────────────────────────────────────────────── */
.code-block {
  background: var(--input-bg); border: 1px solid var(--input-border);
  border-radius: var(--radius-sm); padding: 12px;
  font-family: monospace; font-size: 11px; color: var(--text-dim);
  white-space: pre-wrap; word-break: break-all;
  max-height: 120px; overflow-y: auto; cursor: pointer;
}

/* ── Search bar ──────────────────────────────────────────────────────────── */
.search-bar { display: flex; gap: 10px; margin-bottom: 10px; }

.search-bar input {
  flex: 1; padding: 9px 12px;
  background: var(--input-bg); border: 1px solid var(--input-border);
  border-radius: var(--radius-sm); color: var(--text); font-size: 13px; outline: none;
}

.search-bar input:focus { border-color: var(--accent); }

.btn-small {
  padding: 9px 18px; background: var(--accent); color: #fff;
  border: none; border-radius: var(--radius-sm); font-size: 12px;
  font-weight: 600; cursor: pointer; transition: all 0.2s;
}

.btn-small:hover { background: var(--accent-light); }

/* ── Profile item ────────────────────────────────────────────────────────── */
.profile-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 14px; border: 1px solid var(--border);
  border-radius: var(--radius-sm); margin-bottom: 6px;
  font-size: 13px; transition: border-color 0.2s;
}

.profile-item:hover { border-color: var(--border-light); }

/* ── Misc ────────────────────────────────────────────────────────────────── */
.dim { color: var(--text-dim); font-size: 12px; }

code {
  background: var(--input-bg); border: 1px solid var(--input-border);
  padding: 1px 5px; border-radius: 3px;
  font-family: monospace; font-size: 11px; color: var(--accent-light);
}

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 2px; }

/* ── Toast ───────────────────────────────────────────────────────────────── */
.toast {
  position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%);
  background: var(--bg-elevated); border: 1px solid var(--border-light);
  color: var(--text); font-size: 13px; padding: 10px 22px;
  border-radius: var(--radius); z-index: 9999;
  box-shadow: 0 8px 32px rgba(0,0,0,0.6); pointer-events: none;
}