:root {
  --bg: #08080d;
  --bg-elev: rgba(18, 16, 28, 0.92);
  --surface: rgba(28, 24, 42, 0.75);
  --surface-hover: rgba(38, 32, 58, 0.85);
  --line: rgba(255, 255, 255, 0.07);
  --line-strong: rgba(255, 255, 255, 0.12);
  --text: #f2f0f7;
  --muted: #8e879c;
  --accent: #9d6bff;
  --accent-2: #d4a853;
  --accent-hover: #b48aff;
  --accent-glow: rgba(157, 107, 255, 0.35);
  --in: rgba(45, 38, 72, 0.9);
  --out: rgba(36, 58, 52, 0.9);
  --danger: #ff6b7a;
  --danger-bg: rgba(255, 107, 122, 0.12);
  --success: #5dd39e;
  --success-bg: rgba(93, 211, 158, 0.12);
  --warn: #e8b84a;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 8px;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.25);
  --sidebar-w: 248px;
  --font: "Manrope", system-ui, -apple-system, sans-serif;
  --transition: 0.2s ease;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }
.muted { color: var(--muted); margin: 0.35rem 0 0; font-size: 0.92rem; }
.mono { font-family: ui-monospace, "Cascadia Code", monospace; font-variant-numeric: tabular-nums; font-size: 0.9em; }

/* ── App shell ── */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--sidebar-w);
  background: var(--bg-elev);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  z-index: 100;
  backdrop-filter: blur(20px);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1.5rem 1.25rem 1.25rem;
  border-bottom: 1px solid var(--line);
}
.brand-mark {
  width: 42px; height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), #6b3fd4);
  display: grid; place-items: center;
  font-weight: 800; font-size: 1.1rem;
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow);
}
.brand-title { font-weight: 700; font-size: 1.05rem; letter-spacing: 0.02em; }
.brand-sub { font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }

.sidebar-nav {
  flex: 1;
  padding: 1rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.7rem 0.85rem;
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-weight: 600;
  font-size: 0.92rem;
  transition: background var(--transition), color var(--transition);
}
.sidebar-nav a:hover { color: var(--text); background: var(--surface); }
.sidebar-nav a.active {
  color: var(--text);
  background: linear-gradient(90deg, rgba(157, 107, 255, 0.18), transparent);
  box-shadow: inset 3px 0 0 var(--accent);
}
.nav-icon { font-size: 1rem; opacity: 0.85; width: 1.4rem; text-align: center; }

.sidebar-foot {
  padding: 1rem 0.75rem 1.25rem;
  border-top: 1px solid var(--line);
}
.nav-out {
  display: block;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-weight: 600;
  font-size: 0.9rem;
  transition: background var(--transition), color var(--transition);
}
.nav-out:hover { color: var(--danger); background: var(--danger-bg); }

.app-main {
  flex: 1;
  margin-left: var(--sidebar-w);
  min-width: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(157, 107, 255, 0.08), transparent),
    var(--bg);
}

.sidebar-toggle {
  display: none;
  position: fixed;
  top: 1rem; left: 1rem;
  z-index: 200;
  width: 44px; height: 44px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--bg-elev);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  backdrop-filter: blur(12px);
}
.sidebar-toggle span {
  display: block;
  width: 18px; height: 2px;
  background: var(--text);
  border-radius: 1px;
}
.sidebar-backdrop {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 90;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.sidebar-backdrop.show { opacity: 1; pointer-events: auto; }

@media (max-width: 900px) {
  .sidebar-toggle { display: flex; }
  .sidebar { transform: translateX(-100%); transition: transform 0.25s ease; }
  .sidebar.open { transform: translateX(0); }
  .sidebar-backdrop { display: block; }
  .app-main { margin-left: 0; padding-top: 3.5rem; }
}

/* ── Page header ── */
.top {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: flex-start;
  padding: 2rem 2rem 1.5rem;
  border-bottom: 1px solid var(--line);
}
.top h1 { margin: 0.15rem 0 0; font-size: 1.65rem; font-weight: 700; letter-spacing: -0.02em; }
.back {
  display: inline-block;
  font-size: 0.88rem;
  color: var(--muted);
  margin-bottom: 0.35rem;
  font-weight: 500;
}
.back:hover { color: var(--accent); }
.actions { display: flex; gap: 0.6rem; flex-wrap: wrap; align-items: center; }

.wrap { padding: 1.5rem 2rem 3rem; max-width: 1200px; }

/* ── Cards & surfaces ── */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}
.empty { padding: 2.5rem; color: var(--muted); text-align: center; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background: linear-gradient(135deg, var(--accent), #7c4fd4);
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
  box-shadow: 0 4px 16px var(--accent-glow);
}
.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px var(--accent-glow);
  color: #fff;
}
.btn:active { transform: translateY(0); }
.btn.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line-strong);
  box-shadow: none;
}
.btn.ghost:hover { background: var(--surface-hover); border-color: var(--accent); color: var(--text); }
.btn.danger {
  background: linear-gradient(135deg, #e85565, #c43d4d);
  box-shadow: 0 4px 16px rgba(255, 107, 122, 0.25);
}
.btn.danger:hover { box-shadow: 0 6px 20px rgba(255, 107, 122, 0.35); color: #fff; }
.btn-block { width: 100%; }
.btn-primary { padding: 0.8rem 1.2rem; font-size: 0.95rem; }
.actions form { margin: 0; }
.row-actions { display: flex; gap: 0.45rem; flex-wrap: wrap; align-items: center; }
.row-actions form { margin: 0; }

/* ── Forms ── */
.form-grid {
  padding: 1.5rem;
  display: grid;
  gap: 1rem;
  max-width: 640px;
  margin-bottom: 1.5rem;
}
.form-grid h2, .section-title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
}
.form-grid label, .assign label, .field {
  display: grid;
  gap: 0.4rem;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 500;
}
.field-label { color: var(--muted); }
.form-grid input, .form-grid textarea, .form-grid select, .assign select, .auth-input {
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: rgba(8, 8, 13, 0.6);
  color: var(--text);
  font: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-grid input:focus, .form-grid textarea:focus, .form-grid select:focus, .assign select:focus, .auth-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-grid button { border: 0; cursor: pointer; justify-self: start; }
.form-grid button:disabled { opacity: 0.45; cursor: not-allowed; }
.form-grid.nested {
  padding: 0.75rem;
  margin: 0;
  gap: 0.6rem;
  max-width: none;
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-sm);
}

.assign {
  display: flex;
  gap: 0.85rem;
  align-items: end;
  padding: 1.25rem;
  max-width: 760px;
  margin-bottom: 1.25rem;
}
.assign .btn { border: 0; cursor: pointer; }

.check {
  display: flex !important;
  flex-direction: row !important;
  align-items: center;
  gap: 0.55rem;
  cursor: pointer;
}
.check input { width: auto; accent-color: var(--accent); }

.file-drop {
  border: 2px dashed var(--line-strong);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  text-align: center;
  color: var(--muted);
  transition: border-color var(--transition), background var(--transition);
}
.file-drop:hover { border-color: var(--accent); background: rgba(157, 107, 255, 0.05); }
.file-drop input[type="file"] { margin-top: 0.5rem; width: 100%; }

/* ── Filters & badges ── */
.filters { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.25rem; }
.pill {
  border: 1px solid var(--line);
  color: var(--muted);
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 600;
  transition: all var(--transition);
  background: var(--surface);
}
.pill.on, .pill:hover {
  color: var(--text);
  border-color: var(--accent);
  background: rgba(157, 107, 255, 0.12);
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.badge-ok { background: var(--success-bg); color: var(--success); }
.badge-off { background: rgba(142, 135, 156, 0.15); color: var(--muted); }

/* ── Tables ── */
.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 0.95rem 1.15rem; border-bottom: 1px solid var(--line); }
th {
  color: var(--muted);
  font-weight: 700;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: rgba(0, 0, 0, 0.15);
}
tbody tr { cursor: pointer; transition: background var(--transition); }
tbody tr:hover { background: var(--surface-hover); }
tbody tr.static { cursor: default; }
tbody tr.static:hover { background: transparent; }
.clip { max-width: 280px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.user-cell { display: flex; align-items: center; gap: 0.75rem; }
.avatar {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #6b3fd4);
  display: grid; place-items: center;
  font-weight: 700; font-size: 0.85rem;
  color: #fff;
  flex-shrink: 0;
}

/* ── Dialog thread ── */
.thread {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  max-width: 820px;
}
.bubble {
  max-width: 82%;
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}
.bubble.incoming { align-self: flex-start; background: var(--in); border-top-left-radius: 4px; }
.bubble.outgoing { align-self: flex-end; background: var(--out); border-top-right-radius: 4px; }
.meta { font-size: 0.76rem; color: var(--muted); margin-bottom: 0.4rem; font-weight: 500; }
.text { white-space: pre-wrap; word-break: break-word; line-height: 1.55; }

.preview { max-width: 100%; max-height: 300px; border-radius: var(--radius-sm); display: block; margin: 0.4rem 0; }
.file-link { display: inline-block; margin: 0.4rem 0; font-weight: 600; }
audio { width: 100%; margin: 0.4rem 0; }

/* ── Alerts ── */
.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
}
.alert-error { background: var(--danger-bg); color: var(--danger); border: 1px solid rgba(255, 107, 122, 0.25); }
.error { color: var(--danger); }
.flash-ok { color: var(--success); padding: 0.5rem 0; }

.help { color: var(--muted); line-height: 1.55; padding-left: 1.2rem; font-size: 0.9rem; }
.help li { margin: 0.45rem 0; }

.section-gap { margin-top: 2rem; }
.section-gap h2 { font-size: 1.1rem; margin: 0 0 1rem; font-weight: 700; }

/* ── Auth pages ── */
.auth-page { overflow: hidden; }

.auth {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  position: relative;
  background:
    radial-gradient(ellipse 70% 55% at 50% 0%, rgba(157, 107, 255, 0.18), transparent 60%),
    radial-gradient(ellipse 50% 40% at 80% 90%, rgba(212, 168, 83, 0.08), transparent),
    var(--bg);
}

.auth-glow {
  position: absolute;
  top: 12%;
  left: 50%;
  transform: translateX(-50%);
  width: 320px; height: 320px;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  pointer-events: none;
  filter: blur(40px);
}

.auth-panel {
  position: relative;
  width: min(400px, 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.login-cat {
  width: min(260px, 72vw);
  margin-bottom: -12px;
  position: relative;
  z-index: 2;
  line-height: 0;
}
.login-cat-svg {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 10px 28px rgba(157, 107, 255, 0.22));
}

.eyes-shade {
  opacity: 0;
  transition: opacity 0.18s ease;
  pointer-events: none;
}
.login-cat.eyes-closed .eyes-shade {
  opacity: 1;
}

.auth-card {
  width: 100%;
  padding: 2rem 1.75rem 1.75rem;
  background: var(--bg-elev);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  backdrop-filter: blur(24px);
  box-shadow: var(--shadow);
}
.auth-brand {
  text-align: center;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--text), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.auth-card .field { margin-bottom: 1rem; }
.auth-card .btn { margin-top: 0.5rem; }

.auth-setup .auth-card { max-width: 480px; }
.auth-setup h1 { margin: 0 0 0.5rem; font-size: 1.35rem; }
.auth-setup .muted { margin-bottom: 1.25rem; }