:root {
  --bg:      #0f1117;
  --card:    #1a1d26;
  --border:  #2d3148;
  --accent:  #6366f1;
  --success: #10b981;
  --warn:    #f59e0b;
  --danger:  #ef4444;
  --tv:      #8b5cf6;
  --text:    #e2e8f0;
  --muted:   #94a3b8;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

/* ── Header ─────────────────────────────────────────── */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-left { display: flex; align-items: center; gap: 12px; }
.header h1 { font-size: 1.2rem; font-weight: 700; }

/* ── Alert bar ───────────────────────────────────────── */
.alert-bar {
  background: #78350f;
  border-bottom: 1px solid var(--warn);
  padding: 10px 24px;
  color: var(--warn);
  font-weight: 600;
  text-align: center;
}

/* ── Sections ────────────────────────────────────────── */
.section {
  max-width: 1100px;
  margin: 24px auto;
  padding: 0 16px;
}
.section h2 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
  margin-bottom: 12px;
}

/* ── Buttons ─────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, border-color .15s;
  text-decoration: none;
}
.btn:hover  { background: #252837; border-color: var(--accent); }
.btn-ghost  { border-color: transparent; background: transparent; color: var(--muted); }
.btn-ghost:hover { color: var(--text); background: var(--card); }
.btn-success { background: #064e3b; border-color: var(--success); color: var(--success); }
.btn-success:hover { background: #065f46; }
.btn-danger  { background: #450a0a; border-color: var(--danger); color: var(--danger); }
.btn-danger:hover  { background: #7f1d1d; }
.btn-warn    { background: #451a03; border-color: var(--warn); color: var(--warn); }
.btn-warn:hover    { background: #78350f; }
.btn-tv      { background: #2e1065; border-color: var(--tv); color: #c4b5fd; }
.btn-tv:hover      { background: #3b0764; }
.btn-large   { padding: 12px 20px; font-size: 1rem; }
.btn-lock-on { background: #450a0a; border-color: var(--danger); color: var(--danger); }

/* ── Global controls ─────────────────────────────────── */
.controls-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ── Children grid ───────────────────────────────────── */
.children-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.child-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}
.child-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.child-name { font-size: 1.1rem; font-weight: 700; }
.child-device { font-size: 0.8rem; color: var(--muted); margin-left: auto; }

.status-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.status-dot.active { background: var(--success); box-shadow: 0 0 6px var(--success); }
.status-dot.idle   { background: var(--muted); }

.progress-row { margin-bottom: 8px; }
.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 4px;
}
.progress-bar {
  height: 8px;
  background: #2d3148;
  border-radius: 4px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  border-radius: 4px;
  background: var(--accent);
  transition: width .4s ease;
  max-width: 100%;
}
.progress-fill.tv { background: var(--tv); }
.progress-fill.over { background: var(--danger); }

.child-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

/* ── Requests ────────────────────────────────────────── */
.request-card {
  background: var(--card);
  border: 1px solid var(--warn);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.request-info { flex: 1; }
.request-title { font-weight: 600; }
.request-sub   { font-size: 0.82rem; color: var(--muted); }
.request-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ── Parent modes ────────────────────────────────────── */
.mode-card {
  background: var(--card);
  border: 1px solid var(--accent);
  border-radius: 10px;
  padding: 12px 16px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.mode-info  { flex: 1; }
.mode-title { font-weight: 600; }
.mode-sub   { font-size: 0.82rem; color: var(--muted); }
.mode-actions { display: flex; gap: 8px; }

/* ── Chart ───────────────────────────────────────────── */
.chart-wrap {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}

/* ── Schedule table ──────────────────────────────────── */
.schedule-block { margin-bottom: 20px; }
.schedule-block h3 { font-size: 0.95rem; font-weight: 600; margin-bottom: 8px; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
th, td {
  padding: 8px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
th { color: var(--muted); font-weight: 600; }

/* ── Badges ──────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-muted   { background: #2d3148; color: var(--muted); }
.badge-success { background: #064e3b; color: var(--success); }
.badge-warn    { background: #451a03; color: var(--warn); }
.badge-danger  { background: #450a0a; color: var(--danger); }

/* ── Modal ───────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
}
.modal-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  width: min(400px, 90vw);
}
.modal-card h3 { font-size: 1.1rem; margin-bottom: 4px; }
.modal-subtitle { color: var(--muted); font-size: 0.88rem; margin-bottom: 16px; }
.modal-card label { display: block; font-size: 0.82rem; color: var(--muted); margin-bottom: 6px; }
.modal-card input {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 1rem;
  margin-bottom: 16px;
}
.modal-card input:focus { outline: none; border-color: var(--accent); }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; }

/* ── Login ───────────────────────────────────────────── */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}
.login-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  width: min(380px, 92vw);
}
.login-card h1 { font-size: 1.4rem; margin-bottom: 24px; text-align: center; }
.login-card label  { display: block; font-size: 0.82rem; color: var(--muted); margin-bottom: 6px; }
.login-card input {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 1rem;
  margin-bottom: 14px;
}
.login-card input:focus { outline: none; border-color: var(--accent); }
.login-card button {
  width: 100%;
  padding: 12px;
  background: var(--accent);
  border: none;
  border-radius: 8px;
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  margin-top: 4px;
}
.login-card button:hover { background: #4f52d1; }
.login-error {
  color: var(--danger);
  font-size: 0.88rem;
  margin-bottom: 12px;
  text-align: center;
}

@media (max-width: 600px) {
  .header { padding: 12px 16px; }
  .section { padding: 0 12px; }
  .controls-row { flex-direction: column; }
  .btn-large { width: 100%; justify-content: center; }
}