/* Кло Mini App — Telegram-themed, mobile-first */
:root {
  color-scheme: light dark;
  --bg: var(--tg-theme-bg-color, #fff);
  --text: var(--tg-theme-text-color, #000);
  --hint: var(--tg-theme-hint-color, #999);
  --link: var(--tg-theme-link-color, #2481cc);
  --btn: var(--tg-theme-button-color, #3390ec);
  --btn-text: var(--tg-theme-button-text-color, #fff);
  --secondary-bg: var(--tg-theme-secondary-bg-color, #f4f4f5);
  --section-bg: var(--tg-theme-section-bg-color, var(--secondary-bg));
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  -webkit-tap-highlight-color: transparent;
  padding-bottom: env(safe-area-inset-bottom);
}

/* Header & tabs */
header {
  position: sticky; top: 0; z-index: 10;
  background: var(--bg);
  border-bottom: 1px solid color-mix(in srgb, var(--hint) 25%, transparent);
  padding: 8px;
}
nav {
  display: flex; gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
nav::-webkit-scrollbar { display: none; }
nav button {
  flex: 0 0 auto;
  padding: 9px 12px;
  background: var(--secondary-bg); color: var(--text);
  border: none; border-radius: 10px;
  font-size: 14px; font-weight: 500;
  white-space: nowrap;
  cursor: pointer; transition: background 0.15s;
}
nav button.active { background: var(--btn); color: var(--btn-text); }
nav button.plus { flex: 0 0 40px; font-size: 22px; line-height: 1; padding: 6px; margin-left: auto; }

/* Main */
main { padding: 8px 12px 24px; }
h3 {
  margin: 18px 4px 8px;
  font-size: 13px; font-weight: 600;
  color: var(--hint); text-transform: uppercase; letter-spacing: 0.04em;
}
.muted { opacity: 0.7; font-weight: 400; }

/* Tasks list */
.tasks { list-style: none; padding: 0; margin: 0; }
.tasks li {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 14px; margin: 6px 0;
  background: var(--secondary-bg); border-radius: 12px;
  font-size: 15px; line-height: 1.35;
}
.tasks .text { flex: 1; word-break: break-word; }
.tasks .prio { font-size: 14px; }
.tasks .due {
  font-size: 12px; color: var(--hint);
  padding: 2px 6px; background: color-mix(in srgb, var(--hint) 15%, transparent);
  border-radius: 6px; white-space: nowrap;
}
.acts { display: flex; gap: 6px; }
.acts button {
  min-width: 36px; padding: 6px 10px;
  border-radius: 8px; border: none;
  background: color-mix(in srgb, var(--hint) 18%, transparent);
  color: var(--text); cursor: pointer; font-size: 15px;
}
.acts .done { background: color-mix(in srgb, #2db160 50%, transparent); color: white; }

/* Empty / loading / err / hero */
.empty, .loading, .err, .hero { padding: 32px 16px; text-align: center; color: var(--hint); }
.err { color: #d33; }
.hero h2 { color: var(--text); margin: 0 0 8px; }
.hero p { margin: 0 0 16px; }
button.primary {
  background: var(--btn); color: var(--btn-text);
  border: none; padding: 12px 20px; border-radius: 10px;
  font-size: 16px; font-weight: 600; cursor: pointer;
}

/* Form */
.form { display: flex; flex-direction: column; gap: 12px; padding: 8px 4px; }
.form label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--hint); }
.form .row { display: flex; gap: 12px; }
.form .row > label { flex: 1; }
.form .check { flex-direction: row; align-items: center; gap: 8px; color: var(--text); padding: 12px 0; }
.form input, .form select {
  padding: 12px 14px; border-radius: 10px;
  border: 1px solid color-mix(in srgb, var(--hint) 30%, transparent);
  background: var(--secondary-bg); color: var(--text);
  font-size: 16px;
}
.form button[type="submit"] { margin-top: 8px; }

/* Footer */
footer {
  padding: 8px 16px;
  font-size: 11px; color: var(--hint);
  border-top: 1px solid color-mix(in srgb, var(--hint) 25%, transparent);
  text-align: center;
}

/* Pull-to-refresh indicator */
#ptr-indicator {
  position: fixed; top: 0; left: 50%;
  transform: translate(-50%, -40px);
  display: flex; align-items: center; gap: 8px;
  padding: 8px 14px; border-radius: 20px;
  background: var(--secondary-bg); color: var(--hint);
  font-size: 13px; font-weight: 500;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  pointer-events: none; opacity: 0;
  z-index: 20;
  transition: opacity 0.15s;
}
#ptr-indicator.visible { opacity: 1; }
#ptr-indicator.ready { color: var(--btn); }
#ptr-indicator.ready .ptr-arrow { transform: rotate(180deg); }
#ptr-indicator.refreshing .ptr-arrow {
  animation: ptr-spin 0.8s linear infinite;
}
.ptr-arrow {
  display: inline-block;
  transition: transform 0.18s;
  font-size: 16px; line-height: 1;
}
@keyframes ptr-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Swipe-to-done: row gets a green reveal behind it as you swipe.
   Using a ::before pseudo so we don't change DOM. */
.tasks li {
  position: relative;
  transition: transform 0.05s linear;
  touch-action: pan-y;       /* let vertical scroll pass through; we own X */
  user-select: none;
}
.tasks li::before {
  content: '✓';
  position: absolute;
  inset: 0 auto 0 0;
  width: 56px;
  display: flex; align-items: center; justify-content: center;
  background: #2db160; color: white;
  border-radius: 12px 0 0 12px;
  font-size: 22px; font-weight: 700;
  opacity: 0;
  transition: opacity 0.12s;
  pointer-events: none;
}
.tasks li[data-status="done"]::before {
  content: '↺';
  background: var(--btn);
}
.tasks li.swiping { transition: none; }
.tasks li.swiping::before { opacity: 1; }
.tasks li.swipe-ready::before {
  background: #1f8b4a;       /* slightly darker green to confirm "armed" */
}
.tasks li[data-status="done"].swipe-ready::before {
  background: color-mix(in srgb, var(--btn) 80%, black);
}

/* Inline text edit (long-press) */
.tasks li input.edit-input {
  flex: 1;
  font-size: 15px; line-height: 1.35;
  padding: 6px 8px; border-radius: 8px;
  border: 1px solid var(--btn);
  background: var(--bg); color: var(--text);
  font-family: inherit;
  outline: none;
}