/* Telegram Mini App — settings-like UI, theme-driven (референс: all_dialogs_bot) */
* { box-sizing: border-box; }

:root {
  --app-pad-x: 16px;
  --app-pad-y: 12px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --content-pad-bottom: calc(var(--app-pad-y) + var(--safe-bottom) + 8px);
  --radius-group: 12px;
  --radius-input: 10px;
  --font-title: 600 17px/1.25 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 16px/1.45 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-caption: 13px/1.35 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --sep: color-mix(in srgb, var(--tg-theme-hint-color, #999) 35%, transparent);
  --save-green: #34c759;
}

html, body {
  margin: 0;
  min-height: 100%;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font: var(--font-body);
  background: var(--tg-theme-bg-color, #fff);
  color: var(--tg-theme-text-color, #000);
  -webkit-tap-highlight-color: transparent;
}

#app { min-height: 100vh; min-height: 100dvh; }

.hidden { display: none !important; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px var(--app-pad-x);
  padding-top: calc(10px + env(safe-area-inset-top, 0px));
  border-bottom: 1px solid var(--sep);
  position: sticky;
  top: 0;
  background: var(--tg-theme-header-bg-color, var(--tg-theme-secondary-bg-color, #f0f0f0));
  z-index: 15;
}

.topbar-title { font: var(--font-title); flex: 1; text-align: center; min-width: 0; }
.topbar-switcher { border: none; background: transparent; color: inherit; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.topbar-chevron { font-size: 12px; opacity: 0.7; }

.icon-btn {
  border: none; background: transparent; color: inherit; padding: 0;
  width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center;
  border-radius: 10px; cursor: pointer;
}
.icon-btn svg { width: 22px; height: 22px; }

.drawer {
  position: fixed; top: 0; bottom: 0; left: 0;
  width: min(84vw, 320px);
  background: var(--tg-theme-bg-color, #fff);
  border-right: 1px solid var(--sep);
  padding: calc(12px + env(safe-area-inset-top, 0px)) 8px var(--content-pad-bottom);
  transform: translateX(-104%);
  transition: transform 0.22s ease;
  z-index: 30;
  overflow-y: auto;
}
.drawer.open { transform: translateX(0); }
.drawer-item {
  display: flex; align-items: center; gap: 12px; width: 100%;
  border: none; background: transparent; color: inherit;
  font: var(--font-body); text-align: left;
  padding: 12px 14px; border-radius: 10px; cursor: pointer;
}
.drawer-item.active { background: var(--tg-theme-secondary-bg-color, #f0f0f0); }
.drawer-item-icon { display: inline-flex; width: 22px; height: 22px; }
.drawer-item-icon svg { width: 22px; height: 22px; }

.drawer-overlay {
  position: fixed; inset: 0; background: rgba(0, 0, 0, 0.35);
  opacity: 0; pointer-events: none; transition: opacity 0.22s ease; z-index: 25;
}
.drawer-overlay.open { opacity: 1; pointer-events: auto; }

.bot-switcher-menu {
  position: fixed; left: 50%; transform: translateX(-50%);
  top: calc(56px + env(safe-area-inset-top, 0px));
  width: min(92vw, 420px); background: var(--tg-theme-bg-color, #fff);
  border: 1px solid var(--sep); border-radius: 12px; box-shadow: 0 8px 30px rgba(0,0,0,0.18);
  z-index: 40; padding: 6px; max-height: 60vh; overflow-y: auto;
}
.switcher-item { display: block; width: 100%; border: none; background: transparent; color: inherit;
  font: var(--font-body); text-align: left; padding: 12px 14px; border-radius: 8px; cursor: pointer; }
.switcher-item.active { background: var(--tg-theme-secondary-bg-color, #f0f0f0); }

.content {
  padding: var(--app-pad-y) var(--app-pad-x);
  padding-bottom: var(--content-pad-bottom);
}
.section { display: block; }
.section-label { font: var(--font-caption); color: var(--tg-theme-hint-color, #999);
  text-transform: uppercase; letter-spacing: 0.03em; margin: 16px 4px 6px; }

.settings-group {
  background: var(--tg-theme-secondary-bg-color, #f2f2f7);
  border-radius: var(--radius-group); padding: 4px 12px; margin-bottom: 12px;
}
.settings-row { display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 12px 0; border-bottom: 1px solid var(--sep); }
.settings-row:last-child { border-bottom: none; }
.settings-row.tappable { cursor: pointer; }
.row-main { flex: 1; min-width: 0; }
.muted { color: var(--tg-theme-hint-color, #999); }
.chevron { color: var(--tg-theme-hint-color, #999); font-size: 20px; }

.field-stack { display: flex; flex-direction: column; gap: 6px; padding: 10px 0; }
.field-stack label { font: var(--font-caption); color: var(--tg-theme-hint-color, #999); }
input, textarea, select {
  font: var(--font-body); color: var(--tg-theme-text-color, #000);
  background: var(--tg-theme-bg-color, #fff); border: 1px solid var(--sep);
  border-radius: var(--radius-input); padding: 10px 12px; width: 100%;
}
textarea { resize: vertical; }
.small { font: var(--font-caption); color: var(--tg-theme-hint-color, #999); }

.btn {
  font: var(--font-body); border: none; border-radius: var(--radius-input);
  padding: 12px 16px; cursor: pointer; width: 100%;
}
.btn.primary { background: var(--tg-theme-button-color, #2ea6ff); color: var(--tg-theme-button-text-color, #fff); }
.btn.secondary { background: var(--tg-theme-secondary-bg-color, #f2f2f7); color: var(--tg-theme-text-color, #000); }
.btn.danger { background: #ff3b30; color: #fff; }
.btn.sm { width: auto; padding: 6px 12px; font: var(--font-caption); }

.empty-hint { text-align: center; color: var(--tg-theme-hint-color, #999); padding: 32px 16px; }

.hero-block { padding: 14px 0; }
.hero-text { margin: 0 0 12px; color: var(--tg-theme-text-color, #000); }
.hero-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.hero-actions .btn { width: auto; flex: 1; min-width: 140px; }

.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.tile {
  background: var(--tg-theme-secondary-bg-color, #f2f2f7); border: none; color: inherit;
  border-radius: var(--radius-group); padding: 16px; text-align: left; cursor: pointer; font: var(--font-body);
}
.tile .tile-title { font: var(--font-title); }
.tile .tile-sub { font: var(--font-caption); color: var(--tg-theme-hint-color, #999); }

.pill { display: inline-block; padding: 2px 10px; border-radius: 999px; font: var(--font-caption); }
.pill.ok { background: rgba(52,199,89,0.15); color: #34c759; }
.pill.warn { background: rgba(255,149,0,0.15); color: #ff9500; }
.pill.err { background: rgba(255,59,48,0.15); color: #ff3b30; }

.toast {
  position: fixed; left: 50%; bottom: calc(24px + var(--safe-bottom)); transform: translateX(-50%);
  background: rgba(0,0,0,0.85); color: #fff; padding: 10px 16px; border-radius: 10px;
  font: var(--font-caption); z-index: 60; max-width: 90vw;
}

.kb-details { border-bottom: 1px solid var(--sep); }
.kb-details:last-child { border-bottom: none; }
.kb-details summary { list-style: none; }
.kb-details summary::-webkit-details-marker { display: none; }
.kb-details[open] summary .chevron { transform: rotate(90deg); }
.kb-details .field-stack { padding-bottom: 12px; }