/* ── Reset & Telegram-native theming ─────────────────────────── */

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--tg-theme-bg-color, #ffffff);
  color: var(--tg-theme-text-color, #000000);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }

/* ── Tabs ────────────────────────────────────────────────────── */

#tabs {
  display: flex;
  background: var(--tg-theme-secondary-bg-color, #f0f0f0);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--tg-theme-hint-color, #999)33;
}

.tab {
  flex: 1;
  padding: 12px 0;
  border: none;
  background: none;
  color: var(--tg-theme-hint-color, #999);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color 0.2s;
}

.tab.active {
  color: var(--tg-theme-button-color, #3390ec);
  border-bottom-color: var(--tg-theme-button-color, #3390ec);
}

/* ── Views ───────────────────────────────────────────────────── */

.view { display: none; padding: 16px; padding-bottom: 32px; }
.view.active { display: block; }

/* ── Cards ───────────────────────────────────────────────────── */

.card {
  background: var(--tg-theme-secondary-bg-color, #f0f0f0);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 12px;
}

/* ── Buttons ─────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  padding: 12px 20px;
  width: 100%;
  transition: opacity 0.15s;
}

.btn:active { opacity: 0.7; transform: scale(0.97); }

.btn-primary {
  background: var(--tg-theme-button-color, #3390ec);
  color: var(--tg-theme-button-text-color, #fff);
}

.btn-secondary {
  background: var(--tg-theme-secondary-bg-color, #f0f0f0);
  color: var(--tg-theme-button-color, #3390ec);
  border: 1.5px solid var(--tg-theme-button-color, #3390ec);
}

.btn-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: none;
  background: var(--tg-theme-button-color, #3390ec);
  color: var(--tg-theme-button-text-color, #fff);
  font-size: 22px;
  font-weight: 600;
  cursor: pointer;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.15s;
}

.btn-icon:active { opacity: 0.7; }

.btn-sign {
  width: 36px;
  height: 44px;
  border-radius: 10px;
  border: 1px solid var(--tg-theme-hint-color, #999)55;
  background: var(--tg-theme-secondary-bg-color, #f0f0f0);
  color: var(--tg-theme-text-color, #000);
  font-size: 18px;
  cursor: pointer;
  flex-shrink: 0;
}

.btn-sign:active { opacity: 0.6; }

.btn-sign.active {
  background: var(--tg-theme-button-color, #3390ec);
  color: var(--tg-theme-button-text-color, #fff);
  border-color: var(--tg-theme-button-color, #3390ec);
}

.btn-link {
  background: none;
  border: none;
  color: var(--tg-theme-link-color, #3390ec);
  font-size: 13px;
  cursor: pointer;
  padding: 8px 0;
}

.btn-remove {
  background: none;
  border: none;
  color: var(--tg-theme-hint-color, #999);
  font-size: 20px;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}

.btn-remove:active { opacity: 0.5; }

/* ── Inputs ──────────────────────────────────────────────────── */

.input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1.5px solid var(--tg-theme-hint-color, #999)44;
  background: var(--tg-theme-bg-color, #fff);
  color: var(--tg-theme-text-color, #000);
  font-size: 15px;
  font-family: inherit;
  outline: none;
  resize: vertical;
  -webkit-appearance: none;
}

.input:focus {
  border-color: var(--tg-theme-button-color, #3390ec);
}

.input-small {
  width: auto;
  flex: 1;
  min-width: 0;
}

.hint {
  font-size: 12px;
  color: var(--tg-theme-hint-color, #999);
  margin: 8px 0 12px;
  line-height: 1.4;
}

/* ── Structured log: exercise name row ──────────────────────── */

.exercise-name-row {
  display: flex;
  gap: 8px;
}

.exercise-name-row .input { flex: 1; }

/* ── Autocomplete ────────────────────────────────────────────── */

.autocomplete-list {
  border-radius: 10px;
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.2s, opacity 0.2s;
}

.autocomplete-list.visible {
  max-height: 280px;
  opacity: 1;
  margin-top: 4px;
  border: 1px solid var(--tg-theme-hint-color, #999)33;
}

.autocomplete-item {
  padding: 10px 12px;
  font-size: 14px;
  cursor: pointer;
  background: var(--tg-theme-bg-color, #fff);
  border-bottom: 1px solid var(--tg-theme-hint-color, #999)22;
}

.autocomplete-item:last-child { border-bottom: none; }
.autocomplete-item:active { background: var(--tg-theme-secondary-bg-color, #f0f0f0); }

/* ── Sets section ────────────────────────────────────────────── */

/* .sets-section inherits .card styling; no additional rules needed. */

.sets-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sets-header-left {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.rest-timer {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
  color: var(--tg-theme-hint-color, #999);
  font-variant-numeric: tabular-nums;
}

.btn-danger {
  color: #e53935 !important;
  font-size: 12px !important;
}

.set-input-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 8px;
}

.set-separator {
  color: var(--tg-theme-hint-color, #999);
  font-weight: 600;
  font-size: 16px;
}

.set-entry {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--tg-theme-hint-color, #999)15;
}

.set-text {
  font-size: 14px;
  font-weight: 500;
}

/* ── Exercise cards (workout preview) ────────────────────────── */

.exercise-card {
  background: var(--tg-theme-secondary-bg-color, #f0f0f0);
  border-radius: 12px;
  padding: 12px 16px;
  margin-bottom: 8px;
}

.exercise-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.exercise-card-actions {
  display: flex;
  gap: 4px;
}

.btn-edit {
  font-size: 14px !important;
}

.exercise-card-name {
  font-weight: 600;
  font-size: 15px;
}

.exercise-card-sets {
  font-size: 13px;
  color: var(--tg-theme-hint-color, #999);
  margin-top: 4px;
}

/* ── Editing banner ──────────────────────────────────────────── */

.editing-banner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  margin-bottom: 12px;
  border-radius: 10px;
  background: var(--tg-theme-button-color, #3390ec)15;
  border: 1px solid var(--tg-theme-button-color, #3390ec)40;
  font-size: 14px;
  font-weight: 600;
  color: var(--tg-theme-button-color, #3390ec);
}

/* ── Notes ───────────────────────────────────────────────────── */

#notes-section {
  margin-bottom: 12px;
}

#notes-section .input {
  font-size: 14px;
  resize: none;
}

/* ── Raw text collapsible ─────────────────────────────────────── */

.raw-section {
  margin-top: 8px;
}

.raw-toggle {
  font-size: 13px;
  color: var(--tg-theme-link-color, #3390ec);
  cursor: pointer;
  padding: 8px 0;
  list-style: none;
  text-align: center;
}

.raw-toggle::-webkit-details-marker { display: none; }

.raw-toggle::before {
  content: "\25B6  ";
  font-size: 10px;
  transition: transform 0.2s;
  display: inline-block;
}

details[open] .raw-toggle::before {
  transform: rotate(90deg);
}

.raw-card {
  margin-top: 8px;
}

/* ── Section labels ──────────────────────────────────────────── */

.section-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--tg-theme-button-color, #3390ec);
  margin-bottom: 8px;
}

/* ── History cards ───────────────────────────────────────────── */

.history-card {
  background: var(--tg-theme-secondary-bg-color, #f0f0f0);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 12px;
}

.history-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
}

.history-date {
  font-size: 13px;
  color: var(--tg-theme-hint-color, #999);
  font-weight: 600;
}

.history-header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.history-volume {
  font-size: 13px;
  font-weight: 600;
  color: var(--tg-theme-button-color, #3390ec);
}

.btn-history-edit {
  font-size: 14px !important;
}

.btn-history-delete {
  font-size: 14px !important;
  color: var(--tg-theme-destructive-text-color, #d33) !important;
}

.history-group {
  margin-bottom: 8px;
}

.superset-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--tg-theme-button-color, #3390ec);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.history-exercise {
  font-size: 14px;
  padding: 2px 0;
}

.history-exercise .ex-name {
  font-weight: 600;
}

.history-exercise .ex-machine {
  color: var(--tg-theme-hint-color, #999);
  font-size: 12px;
}

.history-exercise .ex-detail {
  color: var(--tg-theme-hint-color, #999);
}

/* ── Stats ───────────────────────────────────────────────────── */

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.stat-card {
  background: var(--tg-theme-secondary-bg-color, #f0f0f0);
  border-radius: 12px;
  padding: 16px;
  text-align: center;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--tg-theme-button-color, #3390ec);
}

.stat-label {
  font-size: 12px;
  color: var(--tg-theme-hint-color, #999);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 4px;
}

/* ── Empty state ─────────────────────────────────────────────── */

.empty-state { text-align: center; padding: 48px 16px; }
.empty-state p { color: var(--tg-theme-hint-color, #999); font-size: 16px; }

/* ── Toast ───────────────────────────────────────────────────── */

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--tg-theme-text-color, #000);
  color: var(--tg-theme-bg-color, #fff);
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  opacity: 0;
  transition: transform 0.3s, opacity 0.3s;
  z-index: 1000;
  pointer-events: none;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ── Settings view ───────────────────────────────────────────── */

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
}

.settings-row-label { flex: 1; }

.settings-row-title {
  font-size: 15px;
  font-weight: 500;
  color: var(--tg-theme-text-color, #000);
}

.settings-row-hint {
  font-size: 12px;
  color: var(--tg-theme-hint-color, #999);
  margin-top: 2px;
}

.settings-toggle {
  width: 20px;
  height: 20px;
  cursor: pointer;
  accent-color: var(--tg-theme-button-color, #2481cc);
}

/* ── Footer / version badge ──────────────────────────────────── */

#app-footer {
  margin-top: 24px;
  padding: 12px 16px 20px;
  text-align: center;
  font-size: 11px;
  color: var(--tg-theme-hint-color, #999);
  opacity: 0.6;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}