:root {
  color-scheme: light dark;
  --bg: var(--tg-theme-bg-color, #f1f5f4);
  --surface: var(--tg-theme-secondary-bg-color, #ffffff);
  --text: var(--tg-theme-text-color, #10211f);
  --muted: var(--tg-theme-hint-color, #64748b);
  --accent: var(--tg-theme-button-color, #0f766e);
  --accent-text: var(--tg-theme-button-text-color, #ffffff);
  --danger: var(--tg-theme-destructive-text-color, #c2413b);
  --border: color-mix(in srgb, var(--text) 13%, transparent);
  --shadow: 0 12px 30px rgb(15 23 42 / 10%);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    radial-gradient(circle at 90% 0%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 34%),
    var(--bg);
  padding-top: max(16px, var(--tg-safe-area-inset-top, 0px), var(--tg-content-safe-area-inset-top, 0px), env(safe-area-inset-top, 0px));
  padding-right: max(14px, var(--tg-safe-area-inset-right, 0px), env(safe-area-inset-right, 0px));
  padding-bottom: max(24px, var(--tg-content-safe-area-inset-bottom, 0px), env(safe-area-inset-bottom, 0px));
  padding-left: max(14px, var(--tg-safe-area-inset-left, 0px), env(safe-area-inset-left, 0px));
}

button, input, select { font: inherit; }

button, select, input[type="datetime-local"], input[type="time"], input[type="date"], input[type="number"], input[type="text"] {
  min-height: 44px;
}

button { cursor: pointer; }
button:disabled { cursor: wait; opacity: .58; }
button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 45%, white);
  outline-offset: 2px;
}

.app-header, .section-heading, .dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.app-header { padding: 8px 2px 18px; }
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 0; font-size: clamp(1.8rem, 8vw, 2.6rem); letter-spacing: -.04em; }
h2 { margin-bottom: 12px; font-size: 1rem; letter-spacing: -.01em; }
.eyebrow { margin-bottom: 2px; color: var(--muted); font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; }
.muted { color: var(--muted); font-size: .78rem; }
.live-status { min-height: 1.2em; margin-bottom: 8px; color: var(--muted); font-size: .82rem; }

.icon-button, .text-button, .tab, .soft-button, .feature-button {
  border: 1px solid var(--border);
  color: var(--text);
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  border-radius: 14px;
}
.icon-button { width: 44px; padding: 0; font-size: 1.35rem; }
.text-button { padding: 0 14px; color: var(--accent); font-weight: 700; }

.device-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.device-card {
  min-width: 0;
  padding: 15px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  box-shadow: var(--shadow);
}
.device-card[data-online="false"] { border-style: dashed; }
.device-name { margin-bottom: 7px; font-size: .98rem; font-weight: 800; overflow-wrap: anywhere; }
.connection { display: flex; gap: 7px; align-items: center; color: var(--muted); font-size: .76rem; }
.connection-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.connection-dot.online { background: #16a34a; }
.temperature { margin: 20px 0 2px; font-size: clamp(1.75rem, 8vw, 2.45rem); font-weight: 760; letter-spacing: -.06em; }
.target { min-height: 1.3em; color: var(--muted); font-size: .8rem; }
.mode { min-height: 1.3em; margin: 12px 0; font-size: .82rem; font-weight: 700; }
.card-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.card-actions button { border: 0; border-radius: 14px; }
.power-button { grid-column: 1 / -1; padding: 0 10px; color: var(--accent-text); background: var(--accent); font-weight: 800; }
.soft-button { padding: 0 8px; }
.details-button { grid-column: 1 / -1; }
.pending-label, .error-label { margin: 9px 0 0; min-height: 1.2em; font-size: .75rem; }
.pending-label { color: var(--accent); }
.error-label { color: var(--danger); }

.section-tabs {
  position: sticky;
  top: max(8px, var(--tg-content-safe-area-inset-top, 0px));
  z-index: 4;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5px;
  margin: 22px 0 14px;
  padding: 5px;
  border: 1px solid var(--border);
  border-radius: 17px;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(16px);
}
.tab { min-width: 0; padding: 0 6px; border-color: transparent; background: transparent; font-size: .77rem; }
.tab.is-active { color: var(--accent-text); background: var(--accent); }
.secondary-panel { padding: 4px 1px; }

.action-list, .diagnostic-list { display: grid; gap: 9px; }
.action-row, .diagnostic-row, .preview {
  padding: 13px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
}
.action-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.action-title { margin: 0 0 3px; font-weight: 800; }
.action-meta { margin: 0; color: var(--muted); font-size: .76rem; }
.action-buttons { display: flex; gap: 6px; flex-shrink: 0; }
.action-buttons button { padding: 0 12px; }
.primary-button { min-height: 44px; border: 0; border-radius: 14px; color: var(--accent-text); background: var(--accent); font-weight: 800; padding: 0 16px; }
.danger-button { color: var(--danger); }

.schedule-form { display: grid; gap: 12px; margin-top: 14px; padding: 15px; border: 1px solid var(--border); border-radius: 18px; background: var(--surface); }
.schedule-form label { display: grid; gap: 6px; font-size: .78rem; font-weight: 700; }
.schedule-form select, .schedule-form input { width: 100%; padding: 0 10px; border: 1px solid var(--border); border-radius: 12px; color: var(--text); background: var(--bg); }
.schedule-form .check-row { display: flex; align-items: center; min-height: 44px; }
.check-row input { width: 22px; height: 22px; }
.preview:empty { display: none; }
.weekday-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.weekday-grid[hidden], .date-grid[hidden] { display: none; }
.weekday-grid label { display: flex; align-items: center; gap: 5px; min-height: 40px; }
.weekday-grid input { width: 20px; height: 20px; }
.date-grid, .program-control-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.program-steps { display: grid; gap: 12px; }
.program-step, .program-device { padding: 13px; border: 1px solid var(--border); border-radius: 16px; background: color-mix(in srgb, var(--bg) 45%, var(--surface)); }
.program-device { margin-top: 10px; }
.program-control-grid label { min-width: 0; }
.program-add-buttons { flex-wrap: wrap; }
.program-row { align-items: flex-start; }
.program-row .action-buttons { flex-wrap: wrap; justify-content: flex-end; }
.locked-note { margin: 10px 0 0; padding: 10px; border-radius: 12px; color: var(--muted); background: var(--bg); font-size: .8rem; }

dialog {
  width: min(560px, calc(100% - 20px));
  max-height: calc(100dvh - max(30px, env(safe-area-inset-top, 0px)) - max(30px, env(safe-area-inset-bottom, 0px)));
  margin: auto auto max(10px, env(safe-area-inset-bottom, 0px));
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 24px 24px 18px 18px;
  color: var(--text);
  background: var(--surface);
  box-shadow: var(--shadow);
}
dialog::backdrop { background: rgb(3 15 13 / 54%); backdrop-filter: blur(4px); }
.control-group { margin-top: 18px; }
.control-group h3 { margin: 0 0 8px; font-size: .8rem; color: var(--muted); }
.control-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.feature-button { padding: 0 10px; }
.feature-button[aria-pressed="true"] { border-color: var(--accent); color: var(--accent); font-weight: 800; }

.toast {
  position: fixed;
  right: max(14px, env(safe-area-inset-right, 0px));
  bottom: max(18px, var(--tg-content-safe-area-inset-bottom, 0px), env(safe-area-inset-bottom, 0px));
  left: max(14px, env(safe-area-inset-left, 0px));
  z-index: 10;
  padding: 12px 14px;
  border-radius: 14px;
  color: var(--accent-text);
  background: color-mix(in srgb, var(--text) 90%, transparent);
  box-shadow: var(--shadow);
  font-size: .84rem;
}

@media (min-width: 680px) {
  body { max-width: 760px; margin-inline: auto; }
  .device-card { padding: 20px; }
}

@media (prefers-reduced-motion: no-preference) {
  .device-card, button { transition: transform .16s ease, opacity .16s ease, background-color .16s ease; }
  button:active:not(:disabled) { transform: scale(.98); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .001ms !important; animation-duration: .001ms !important; }
}