/*
 * TV Mini App — mobile-first, restrained (Phase 8).
 *
 * Colours come from Telegram's themeParams; the fallbacks below keep a sensible
 * light theme in a normal browser. script.js mirrors themeParams onto
 * documentElement so themeChanged updates apply immediately.
 */

:root {
  --tg-theme-bg-color: #ffffff;
  --tg-theme-text-color: #1a1a1a;
  --tg-theme-hint-color: #707579;
  --tg-theme-link-color: #2481cc;
  --tg-theme-button-color: #2481cc;
  --tg-theme-button-text-color: #ffffff;
  --tg-theme-secondary-bg-color: #f1f1f4;
  --tg-theme-section-bg-color: #ffffff;
  --tg-theme-section-separator-color: #e6e6e8;
  --tg-theme-destructive-text-color: #d1453b;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: var(--tg-viewport-stable-height, 100vh);
  background-color: var(--tg-theme-bg-color);
  color: var(--tg-theme-text-color);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  padding: calc(16px + env(safe-area-inset-top)) 16px
    calc(16px + env(safe-area-inset-bottom));
}

.app {
  max-width: 480px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.app__header {
  padding: 4px 2px;
}

.app__title {
  margin: 0;
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.app__identity {
  margin: 4px 0 0;
  font-size: 14px;
  color: var(--tg-theme-hint-color);
}

.card {
  background-color: var(--tg-theme-section-bg-color);
  border: 1px solid var(--tg-theme-section-separator-color);
  border-radius: 12px;
  padding: 20px;
}

.card__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 600;
}

.muted {
  margin: 0;
  color: var(--tg-theme-hint-color);
}

/* status */
.status__power {
  margin: 0;
  font-size: 32px;
  font-weight: 700;
  line-height: 1.1;
}

.status__grid {
  margin: 16px 0 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.status__grid dt {
  margin: 0;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--tg-theme-hint-color);
}

.status__grid dd {
  margin: 2px 0 0;
  font-size: 18px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

/* notice */
.notice {
  margin: 0;
  min-height: 1.5em;
  font-size: 14px;
  color: var(--tg-theme-hint-color);
}

.notice[data-kind="error"] {
  color: var(--tg-theme-destructive-text-color);
}

.notice[data-kind="warn"] {
  color: var(--tg-theme-text-color);
}

/* controls */
.controls {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.controls__row {
  display: flex;
  gap: 12px;
}

.button {
  appearance: none;
  border: 0;
  border-radius: 10px;
  padding: 12px 18px;
  min-height: 44px;
  flex: 1 1 0;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  background-color: var(--tg-theme-secondary-bg-color);
  color: var(--tg-theme-text-color);
  transition: opacity 0.15s ease;
}

.button:active {
  opacity: 0.8;
}

.button:disabled {
  opacity: 0.5;
  cursor: default;
}

.button--secondary {
  background-color: var(--tg-theme-secondary-bg-color);
  color: var(--tg-theme-text-color);
}

/* Perma-Off — deliberately destructive-looking (repeatedly powers the TV off). */
.permaoff {
  border-color: var(--tg-theme-destructive-text-color);
}

.permaoff__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.permaoff__heading {
  min-width: 0;
}

.permaoff__sub {
  font-size: 13px;
}

.permaoff__warn {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.45;
  color: var(--tg-theme-text-color);
}

.permaoff__warn strong {
  color: var(--tg-theme-destructive-text-color);
}

.permaoff__grid {
  margin: 14px 0 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.permaoff__grid dt {
  margin: 0;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--tg-theme-hint-color);
}

.permaoff__grid dd {
  margin: 2px 0 0;
  font-size: 16px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

/* switch */
.switch {
  appearance: none;
  border: 0;
  background: transparent;
  padding: 4px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font: inherit;
  color: inherit;
  flex: 0 0 auto;
}

.switch:disabled {
  opacity: 0.5;
  cursor: default;
}

.switch__track {
  position: relative;
  width: 52px;
  height: 30px;
  border-radius: 999px;
  background-color: var(--tg-theme-secondary-bg-color);
  border: 1px solid var(--tg-theme-section-separator-color);
  transition: background-color 0.15s ease;
  flex: 0 0 auto;
}

.switch__thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: #ffffff;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  transition: transform 0.15s ease;
}

.switch[data-on="true"] .switch__track {
  background-color: var(--tg-theme-destructive-text-color);
  border-color: var(--tg-theme-destructive-text-color);
}

.switch[data-on="true"] .switch__thumb {
  transform: translateX(22px);
}

.switch__label {
  font-size: 15px;
  font-weight: 700;
  min-width: 2.2em;
}

.switch[data-on="true"] .switch__label {
  color: var(--tg-theme-destructive-text-color);
}

.noscript {
  max-width: 480px;
  margin: 16px auto;
  padding: 16px;
  text-align: center;
  color: var(--tg-theme-hint-color);
}

:focus-visible {
  outline: 2px solid var(--tg-theme-link-color);
  outline-offset: 2px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --tg-theme-bg-color: #17212b;
    --tg-theme-text-color: #ffffff;
    --tg-theme-hint-color: #7d8b99;
    --tg-theme-secondary-bg-color: #232e3c;
    --tg-theme-section-bg-color: #1e2a36;
    --tg-theme-section-separator-color: #2c3a47;
  }
}