/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0a0a0f;
  --surface: #13131a;
  --surface2: #1c1c27;
  --border: #ffffff12;
  --accent: #7c6fff;
  --accent2: #ff6f84;
  --work-color: #7c6fff;
  --rest-color: #4ecdc4;
  --cooldown-color: #ffd166;
  --prep-color: #ff8c42;
  --text: #f0f0f8;
  --text-muted: #888899;
  --radius: 16px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

/* ===== APP CONTAINER ===== */
#app {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 480px;
  overflow: hidden;
}

/* ===== SCREENS ===== */
.screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  padding-top: var(--safe-top);
  padding-bottom: var(--safe-bottom);
  transform: translateX(100%);
  opacity: 0;
  transition: transform 0.38s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.38s ease;
  pointer-events: none;
  overflow: hidden;
}

.screen.active {
  transform: translateX(0);
  opacity: 1;
  pointer-events: all;
}

.screen.slide-out {
  transform: translateX(-40%);
  opacity: 0;
}

/* ===== HEADER ===== */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  gap: 12px;
}

.app-header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.app-logo-svg {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
}

/* kept for other screens that still use .app-title */
.app-title {
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 2px;
  line-height: 1;
}
.title-one { color: var(--text); }
.title-dot {
  color: var(--accent);
  font-weight: 300;
  margin: 0 1px;
  font-size: 22px;
}
.title-two {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.btn-icon {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  flex-shrink: 0;
}

.btn-icon:active { transform: scale(0.9); }
.btn-icon svg { width: 20px; height: 20px; }

.btn-back {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  transition: color 0.2s, transform 0.15s;
}
.btn-back:active { transform: scale(0.9); }
.btn-back svg { width: 24px; height: 24px; }

.btn-text {
  background: var(--accent);
  border: none;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: 20px;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.15s;
  letter-spacing: 0.3px;
}
.btn-text:active { transform: scale(0.95); opacity: 0.85; }

/* ===== HOME ===== */
.workouts-list {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  -webkit-overflow-scrolling: touch;
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 60vh;
  gap: 12px;
  color: var(--text-muted);
}

.empty-icon svg {
  width: 80px;
  height: 80px;
  opacity: 0.3;
}

.empty-state p { font-size: 18px; font-weight: 600; color: var(--text-muted); }
.empty-state span { font-size: 13px; }

.workout-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  animation: slideUp 0.35s cubic-bezier(0.4,0,0.2,1) both;
}

.workout-card:active { transform: scale(0.98); background: var(--surface2); }

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.workout-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.workout-card-info { flex: 1; min-width: 0; }
.workout-card-name { font-weight: 700; font-size: 16px; margin-bottom: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.workout-card-meta { font-size: 12px; color: var(--text-muted); }

.workout-card-arrow { color: var(--text-muted); }
.workout-card-arrow svg { width: 18px; height: 18px; }

.card-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.btn-card-del {
  background: none;
  border: none;
  color: var(--accent2);
  opacity: 0.6;
  cursor: pointer;
  padding: 4px;
  border-radius: 6px;
}
.btn-card-del:active { opacity: 1; }
.btn-card-del svg { width: 18px; height: 18px; }

/* ===== CREATE FORM ===== */
.form-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 20px 16px;
  -webkit-overflow-scrolling: touch;
}

.form-section { margin-bottom: 28px; }

.form-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.form-input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 16px;
  padding: 14px 16px;
  outline: none;
  transition: border-color 0.2s;
  -webkit-appearance: none;
}

.form-input:focus { border-color: var(--accent); }
.form-input::placeholder { color: var(--text-muted); }

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.btn-small {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 20px;
  cursor: pointer;
  transition: background 0.2s;
}
.btn-small:active { background: var(--accent); color: #fff; }

.exercises-list { display: flex; flex-direction: column; gap: 10px; }

.exercise-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  animation: slideUp 0.3s cubic-bezier(0.4,0,0.2,1) both;
}

.exercise-num {
  width: 28px;
  height: 28px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  flex-shrink: 0;
}

.exercise-input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text);
  font-size: 15px;
  outline: none;
}
.exercise-input::placeholder { color: var(--text-muted); }

.btn-del-exercise {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  flex-shrink: 0;
}
.btn-del-exercise svg { width: 16px; height: 16px; }

/* ===== TIMER SETTINGS ===== */
.timer-settings {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
}

.setting-row:last-child { border-bottom: none; }

.stepper {
  display: flex;
  align-items: center;
  gap: 14px;
}

.stepper span { font-size: 18px; font-weight: 700; min-width: 32px; text-align: center; }
.stepper small { font-size: 11px; color: var(--text-muted); margin-left: -8px; }

.step-btn {
  width: 34px;
  height: 34px;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  font-weight: 300;
  line-height: 1;
}

.step-btn:active { transform: scale(0.88); background: var(--accent); }

/* ===== TIMER SCREEN ===== */
#screen-timer {
  background: var(--bg);
  align-items: center;
  justify-content: flex-start;
}

.timer-header {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  gap: 10px;
  flex-shrink: 0;
}

.timer-header h2 { flex: 1; font-size: 17px; font-weight: 700; text-align: center; }
.timer-progress-text { font-size: 13px; color: var(--text-muted); white-space: nowrap; }

/* Center zone: exercise label + dots + circle */
.timer-center {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  gap: 0;
  padding: 0 0 80px;
}

/* Exercise label */
.exercise-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin: 0 0 20px;
  padding: 0 20px;
  width: 100%;
}

#exercise-name {
  font-size: 20px;
  font-weight: 800;
  text-align: center;
}

.phase-badge {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1.5px;
  padding: 4px 10px;
  border-radius: 20px;
  background: var(--work-color);
  flex-shrink: 0;
  transition: background 0.4s;
}
.phase-badge.rest { background: var(--rest-color); }
.phase-badge.cooldown { background: var(--cooldown-color); color: #000; }
.phase-badge.prep { background: var(--prep-color); }
.phase-badge.idle { background: var(--surface2); border: 1px solid var(--border); color: var(--text-muted); }

/* Intervals track */
.intervals-track {
  display: flex;
  gap: 6px;
  padding: 0 20px;
  margin-bottom: 28px;
  flex-wrap: wrap;
  justify-content: center;
  min-height: 18px;
  width: 100%;
}

.interval-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
  border: 1.5px solid var(--text-muted);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  flex-shrink: 0;
}

.interval-dot.active {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 10px var(--accent);
  transform: scale(1.2);
}

.interval-dot.done {
  background: var(--surface2);
  border-color: var(--border);
  transform: scale(0.7);
  opacity: 0.4;
}

/* Circle */
.circle-container {
  position: relative;
  width: 280px;
  height: 280px;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform 0.15s;
}

.circle-container:active { transform: scale(0.97); }

.circle-svg { width: 100%; height: 100%; }

.circle-bg {
  fill: none;
  stroke: var(--surface2);
  stroke-width: 10;
}

.circle-progress {
  fill: none;
  stroke: var(--work-color);
  stroke-width: 10;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.9s linear, stroke 0.5s ease;
}

.circle-pulse {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
  opacity: 0;
}

.circle-pulse.beat {
  animation: pulse-ring 1s ease-out infinite;
}

@keyframes pulse-ring {
  0%   { r: 120; opacity: 0.6; }
  100% { r: 136; opacity: 0; }
}

.circle-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.circle-time {
  font-size: 56px;
  font-weight: 900;
  letter-spacing: -2px;
  line-height: 1;
  transition: transform 0.2s;
}

.circle-time.tick { animation: tick 0.15s ease; }

@keyframes tick {
  0%   { transform: scale(1.08); }
  100% { transform: scale(1); }
}

.circle-sub {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 4px;
  font-weight: 500;
}

/* Phase transition flash */
.circle-container.flash::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0;
  animation: flash-anim 0.5s ease;
  pointer-events: none;
}

@keyframes flash-anim {
  0%   { opacity: 0.25; }
  100% { opacity: 0; }
}

/* Prep overlay */
.prep-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10,10,15,0.95);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  animation: fadeIn 0.3s ease;
  z-index: 10;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.prep-count {
  font-size: 120px;
  font-weight: 900;
  line-height: 1;
  color: var(--accent);
  animation: prepNum 1s ease infinite;
}

@keyframes prepNum {
  0%   { transform: scale(1.1); opacity: 0.6; }
  50%  { transform: scale(1); opacity: 1; }
  100% { transform: scale(1.1); opacity: 0.6; }
}

.prep-label {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 3px;
  color: var(--text-muted);
}

/* ===== RESULTS ===== */
#screen-results {
  background: var(--bg);
  justify-content: center;
  align-items: center;
}

.results-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 32px 20px;
  width: 100%;
  max-width: 420px;
  gap: 16px;
  overflow-y: auto;
  max-height: 100%;
}

.confetti-area {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.confetti-piece {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  top: -20px;
  animation: confettiFall linear forwards;
}

@keyframes confettiFall {
  0%   { transform: translateY(0) rotate(0deg); opacity: 1; }
  100% { transform: translateY(110vh) rotate(720deg); opacity: 0; }
}

.trophy-icon { font-size: 72px; animation: trophyIn 0.6s cubic-bezier(0.34,1.56,0.64,1) both; z-index: 1; }

@keyframes trophyIn {
  from { transform: scale(0) rotate(-20deg); opacity: 0; }
  to   { transform: scale(1) rotate(0deg); opacity: 1; }
}

.results-title {
  font-size: 36px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  z-index: 1;
  animation: slideUp 0.5s 0.2s both;
}

.results-subtitle {
  font-size: 15px;
  color: var(--text-muted);
  z-index: 1;
  animation: slideUp 0.5s 0.3s both;
}

.results-stats {
  display: flex;
  gap: 12px;
  width: 100%;
  z-index: 1;
  animation: slideUp 0.5s 0.4s both;
}

.stat-card {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.stat-value {
  font-size: 28px;
  font-weight: 900;
  color: var(--accent);
}

.stat-label {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.5px;
}

.results-log {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  z-index: 1;
  animation: slideUp 0.5s 0.5s both;
  max-height: 180px;
  overflow-y: auto;
}

.log-entry {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}

.log-entry:last-child { border-bottom: none; }
.log-entry .log-name { color: var(--text); }
.log-entry .log-time { color: var(--text-muted); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%);
  border: none;
  color: #fff;
  font-size: 16px;
  font-weight: 800;
  padding: 16px 40px;
  border-radius: 30px;
  cursor: pointer;
  width: 100%;
  max-width: 280px;
  transition: transform 0.15s, opacity 0.15s;
  letter-spacing: 0.5px;
  z-index: 1;
  animation: slideUp 0.5s 0.6s both;
}
.btn-primary:active { transform: scale(0.97); opacity: 0.9; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

/* ===== HAPTIC HINT ===== */
@keyframes hintPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(124,111,255,0.4); }
  50%       { box-shadow: 0 0 0 16px rgba(124,111,255,0); }
}

.circle-container.hint { animation: hintPulse 1.5s ease-in-out 3; }

/* ===== INTERVALS DISPLAY ===== */
.intervals-info-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
}

.intervals-display {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.intervals-display span {
  font-size: 28px;
  font-weight: 900;
  color: var(--accent);
  min-width: 32px;
  text-align: right;
}

.intervals-display small {
  font-size: 12px;
  color: var(--text-muted);
}

/* ===== DETAIL SCREEN ===== */
.detail-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 20px 16px;
  -webkit-overflow-scrolling: touch;
}

.detail-meta-row {
  display: flex;
  gap: 10px;
  margin-bottom: 24px;
}

.detail-stat {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.detail-stat-val {
  font-size: 22px;
  font-weight: 900;
  color: var(--accent);
}

.detail-stat-lbl {
  font-size: 10px;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.3px;
}

.detail-section-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.detail-exercises { display: flex; flex-direction: column; gap: 8px; }

.detail-exercise-row {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  animation: slideUp 0.3s cubic-bezier(0.4,0,0.2,1) both;
}

.detail-ex-num {
  width: 26px;
  height: 26px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  flex-shrink: 0;
}

.detail-ex-name { font-size: 15px; font-weight: 600; }

.detail-music-row {
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
  animation: slideUp 0.3s cubic-bezier(0.4,0,0.2,1) both;
  overflow: hidden;
}

.detail-music-line {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 3px 0;
}
.detail-music-line + .detail-music-line {
  border-top: 1px solid var(--border);
  margin-top: 4px;
  padding-top: 7px;
}
.detail-music-phase {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
  flex-shrink: 0;
  width: 52px;
}
.detail-music-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ===== MUSIC PICKER ===== */
.music-phases {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.music-phase-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.music-phase-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  width: 58px;
  flex-shrink: 0;
}

.music-picker {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 0;
}

.music-pick-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.music-pick-btn:hover { border-color: var(--accent); color: var(--accent); }

.music-track-info {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  background: rgba(124,111,255,.12);
  border: 1px solid rgba(124,111,255,.25);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
}
.music-track-info span {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.music-remove-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  padding: 0 2px;
  flex-shrink: 0;
  transition: color 0.15s;
}
.music-remove-btn:hover { color: var(--accent2); }

/* ===== MUSIC DISABLED TOGGLE ===== */
.music-section-hdr {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.music-section-hdr .form-label {
  margin: 0;
  flex: 1;
}

.toggle-beep-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  flex-shrink: 0;
}

.toggle-switch {
  position: relative;
  width: 40px;
  height: 24px;
  flex-shrink: 0;
}
.toggle-switch input { opacity: 0; width: 0; height: 0; position: absolute; }
.toggle-knob {
  position: absolute;
  inset: 0;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}
.toggle-knob::before {
  content: '';
  position: absolute;
  left: 3px; top: 3px;
  width: 16px; height: 16px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: transform 0.2s, background 0.2s;
}
.toggle-switch input:checked + .toggle-knob { background: var(--accent); border-color: var(--accent); }
.toggle-switch input:checked + .toggle-knob::before { transform: translateX(16px); background: #fff; }

.music-phases.music-disabled {
  opacity: 0.3;
  pointer-events: none;
}

.music-track-info.music-demo-active {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.1);
  color: var(--text-muted);
}

.detail-music-beep-note {
  font-size: 13px;
  color: var(--text-muted);
  opacity: 0.7;
}

.detail-footer {
  padding: 16px 16px calc(16px + var(--safe-bottom));
  flex-shrink: 0;
  border-top: 1px solid var(--border);
}

.btn-start {
  width: 100%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%);
  border: none;
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  padding: 18px;
  border-radius: 30px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  letter-spacing: 0.5px;
  transition: transform 0.15s, opacity 0.15s;
}
.btn-start:active { transform: scale(0.97); opacity: 0.9; }

/* ===== BOTTOM SHEET ===== */
.sheet-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 100;
  display: flex;
  align-items: flex-end;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.bottom-sheet {
  width: 100%;
  background: var(--surface);
  border-radius: 24px 24px 0 0;
  padding: 12px 16px calc(24px + var(--safe-bottom));
  display: flex;
  flex-direction: column;
  gap: 8px;
  transform: translateY(100%);
  transition: transform 0.32s cubic-bezier(0.4, 0, 0.2, 1);
}

.bottom-sheet.sheet-open { transform: translateY(0); }

.sheet-handle {
  width: 40px;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  margin: 0 auto 12px;
}

.sheet-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 16px;
  font-weight: 600;
  padding: 16px 18px;
  border-radius: 14px;
  cursor: pointer;
  width: 100%;
  transition: background 0.15s, transform 0.12s;
}
.sheet-btn:active { transform: scale(0.98); background: var(--bg); }
.sheet-btn-danger { color: var(--accent2); }
.sheet-btn-cancel {
  background: none;
  border-color: transparent;
  color: var(--text-muted);
  justify-content: center;
  margin-top: 4px;
}

/* ===== PROGRESS SECTION ===== */
.progress-section { margin-top: 24px; }

.progress-cards {
  max-height: 260px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.progress-del-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  opacity: 0.45;
  cursor: pointer;
  padding: 6px;
  border-radius: 8px;
  flex-shrink: 0;
  transition: opacity 0.15s, color 0.15s;
}
.progress-del-btn:active { color: var(--accent2); opacity: 1; }
.progress-del-btn svg { width: 16px; height: 16px; }

.progress-title {
  margin-bottom: 12px;
}

.progress-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 14px;
  animation: slideUp 0.35s cubic-bezier(0.4,0,0.2,1) both;
}

.progress-card-left {
  flex-shrink: 0;
  min-width: 90px;
  border-right: 1px solid var(--border);
  padding-right: 14px;
}

.progress-day {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 2px;
}

.progress-date {
  font-size: 11px;
  color: var(--text-muted);
}

.progress-card-right { flex: 1; min-width: 0; }

.progress-workout {
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 3px;
}

.progress-meta {
  font-size: 12px;
  color: var(--text-muted);
}

/* ===== CONFIRM DIALOG ===== */
.confirm-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  animation: fadeIn 0.18s ease;
}

.confirm-dialog {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px 20px 20px;
  width: 79%;
  max-width: 290px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  animation: confirmIn 0.22s cubic-bezier(0.34,1.56,0.64,1) both;
}

@keyframes confirmIn {
  from { transform: scale(0.82); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}

.confirm-msg {
  font-size: 16px;
  font-weight: 700;
  text-align: center;
  color: var(--text);
  margin: 0;
}

.confirm-actions {
  display: flex;
  gap: 10px;
}

.confirm-btn-cancel {
  flex: 1;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 15px;
  font-weight: 600;
  padding: 14px;
  border-radius: 14px;
  cursor: pointer;
  transition: background 0.15s;
}
.confirm-btn-cancel:active { background: var(--bg); }

.confirm-btn-ok {
  flex: 1;
  background: none;
  border: 1px solid var(--accent2);
  color: var(--accent2);
  font-size: 15px;
  font-weight: 700;
  padding: 14px;
  border-radius: 14px;
  cursor: pointer;
  transition: background 0.15s;
}
.confirm-btn-ok:active { background: rgba(255,111,132,0.15); }

/* ===== DESKTOP ===== */
@media (min-width: 500px) {
  body { background: #05050a; }
  #app {
    box-shadow: 0 0 80px rgba(0,0,0,0.9), 0 0 0 1px rgba(255,255,255,0.04);
  }
  .bottom-sheet {
    max-width: 480px;
    margin: 0 auto;
  }
}