/* ============================================================
   ETDA-FITNESS | Coach Calistenia Pro – Design System
   Neumorphic Minimal + Dark Mode | Mobile-First Responsive
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

/* ---- CSS Variables ---- */
:root {
  --bg:            #e4e9f0;
  --bg-card:       #e4e9f0;
  --text:          #1a1d23;
  --text-secondary:#5a6072;
  --accent:        #ff4757;
  --accent-glow:   rgba(255,71,87,.25);
  --accent2:       #2ed573;
  --accent2-glow:  rgba(46,213,115,.25);
  --accent3:       #1e90ff;
  --accent3-glow:  rgba(30,144,255,.2);
  --shadow-dark:   #b8bec7;
  --shadow-light:  #ffffff;
  --glass-bg:      rgba(228,233,240,.7);
  --glass-border:  rgba(255,255,255,.5);
  --radius:        18px;
  --radius-sm:     12px;
  --radius-xs:     8px;
  --transition:    .3s cubic-bezier(.4,0,.2,1);
  --font:          'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

[data-theme="dark"] {
  --bg:            #1a1d23;
  --bg-card:       #22252c;
  --text:          #eaedf3;
  --text-secondary:#8b92a5;
  --shadow-dark:   #111318;
  --shadow-light:  #2a2e37;
  --glass-bg:      rgba(30,33,40,.75);
  --glass-border:  rgba(255,255,255,.08);
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  transition: background var(--transition), color var(--transition);
  overflow-x: hidden;
  padding-bottom: 80px;
}

/* ---- Neumorphic Utilities ---- */
.neu {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow:
    6px 6px 14px var(--shadow-dark),
   -6px -6px 14px var(--shadow-light);
  transition: box-shadow var(--transition), transform var(--transition);
}

.neu-inset {
  box-shadow:
    inset 4px 4px 8px var(--shadow-dark),
    inset -4px -4px 8px var(--shadow-light);
}

.neu:hover {
  transform: translateY(-2px);
  box-shadow:
    8px 8px 20px var(--shadow-dark),
   -8px -8px 20px var(--shadow-light);
}

/* ---- Header ---- */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: linear-gradient(135deg, var(--accent) 0%, #ff6b81 100%);
  color: #fff;
  padding: 18px 20px 14px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0,0,0,.15);
}

.app-header h1 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -.5px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.app-header h1 .icon { font-size: 1.3em; }

.app-header .subtitle {
  font-size: .82rem;
  opacity: .9;
  margin-top: 2px;
  font-weight: 500;
}

.header-controls {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  gap: 10px;
}

.icon-btn {
  background: rgba(255,255,255,.2);
  border: none;
  border-radius: 50%;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #fff;
  font-size: 1.1rem;
  transition: background var(--transition);
  backdrop-filter: blur(6px);
}

.icon-btn:hover { background: rgba(255,255,255,.35); }

/* ---- Progress Bar (top) ---- */
.progress-strip {
  background: var(--bg-card);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
}

.progress-strip .label {
  font-size: .75rem;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
}

.progress-bar-track {
  flex: 1;
  height: 8px;
  border-radius: 4px;
  background: var(--bg);
  box-shadow: inset 2px 2px 4px var(--shadow-dark), inset -2px -2px 4px var(--shadow-light);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transition: width .6s ease;
  min-width: 2%;
}

.progress-strip .percent {
  font-size: .8rem;
  font-weight: 700;
  color: var(--accent);
  min-width: 36px;
  text-align: right;
}

/* ---- Main Content ---- */
.app-main {
  max-width: 540px;
  width: 94%;
  margin: 0 auto;
  padding: 16px 0 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ---- Status Card ---- */
.status-card {
  padding: 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.status-card::before {
  content: '';
  position: absolute;
  top: -40px; right: -40px;
  width: 120px; height: 120px;
  background: var(--accent-glow);
  border-radius: 50%;
  filter: blur(40px);
  pointer-events: none;
}

.status-card .day-number {
  font-size: 3rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent), #ff6b81);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.status-card .day-label {
  font-size: .85rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-top: 4px;
}

.phase-badge {
  display: inline-block;
  margin-top: 10px;
  padding: 5px 14px;
  border-radius: 20px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .5px;
  text-transform: uppercase;
}

.phase-badge.phase-1 { background: rgba(30,144,255,.15); color: var(--accent3); }
.phase-badge.phase-2 { background: rgba(255,71,87,.15); color: var(--accent); }
.phase-badge.phase-3 { background: rgba(46,213,115,.15); color: var(--accent2); }
.phase-badge.phase-4 { background: rgba(30,144,255,.15); color: var(--accent3); }
.phase-badge.phase-5 { background: rgba(255,71,87,.15); color: var(--accent); }
.phase-badge.phase-6 { background: rgba(46,213,115,.15); color: var(--accent2); }

.session-type {
  margin-top: 8px;
  font-size: .9rem;
  font-weight: 600;
}

.session-type .type-icon { margin-right: 4px; }

/* ---- Day Navigation ---- */
.day-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 6px 0;
}

.day-nav button {
  background: var(--bg-card);
  border: none;
  border-radius: 50%;
  width: 42px;
  height: 42px;
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--text);
  box-shadow:
    4px 4px 8px var(--shadow-dark),
   -4px -4px 8px var(--shadow-light);
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.day-nav button:active {
  box-shadow:
    inset 3px 3px 6px var(--shadow-dark),
    inset -3px -3px 6px var(--shadow-light);
}

.day-nav .day-display {
  font-size: 1.05rem;
  font-weight: 700;
  min-width: 140px;
  text-align: center;
}

/* ---- Exercise Cards ---- */
.exercise-card {
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  animation: slideUp .4s ease both;
  position: relative;
  overflow: hidden;
}

.exercise-card:nth-child(2) { animation-delay: .08s; }
.exercise-card:nth-child(3) { animation-delay: .16s; }
.exercise-card:nth-child(4) { animation-delay: .24s; }
.exercise-card:nth-child(5) { animation-delay: .32s; }
.exercise-card:nth-child(6) { animation-delay: .40s; }

@keyframes slideUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.exercise-card .muscle-tag {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: .65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  padding: 3px 8px;
  border-radius: 6px;
  background: var(--accent3-glow);
  color: var(--accent3);
}

.exercise-card .ex-number {
  position: absolute;
  top: 12px;
  left: 14px;
  font-size: .75rem;
  font-weight: 800;
  color: var(--text-secondary);
  opacity: .5;
}

.exercise-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-top: 4px;
  margin-bottom: 8px;
  line-height: 1.3;
}

.svg-container {
  width: 110px;
  height: 110px;
  margin: 6px 0 10px;
  border-radius: var(--radius-sm);
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

[data-theme="dark"] .svg-container svg {
  filter: invert(1) hue-rotate(180deg);
}

.exercise-card .reps {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 4px;
}

.exercise-card .desc {
  font-size: .82rem;
  color: var(--text-secondary);
  line-height: 1.5;
  max-width: 90%;
}

/* ---- Checkbox per set ---- */
.sets-row {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.set-check {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--bg);
  box-shadow: inset 3px 3px 6px var(--shadow-dark), inset -3px -3px 6px var(--shadow-light);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: .8rem;
  font-weight: 700;
  color: var(--text-secondary);
  transition: all var(--transition);
  border: none;
}

.set-check.done {
  background: linear-gradient(135deg, var(--accent2), #22b573);
  color: #fff;
  box-shadow:
    3px 3px 8px var(--shadow-dark),
   -3px -3px 8px var(--shadow-light);
}

/* ---- Timer Section ---- */
.timer-section {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--bg);
  box-shadow: inset 3px 3px 6px var(--shadow-dark), inset -3px -3px 6px var(--shadow-light);
}

.timer-section .timer-label {
  font-size: .75rem;
  color: var(--text-secondary);
  font-weight: 600;
  white-space: nowrap;
}

.timer-input {
  width: 52px;
  padding: 6px;
  border: none;
  border-radius: var(--radius-xs);
  background: var(--bg-card);
  box-shadow:
    2px 2px 4px var(--shadow-dark),
   -2px -2px 4px var(--shadow-light);
  text-align: center;
  font-weight: 700;
  font-size: .9rem;
  color: var(--text);
  font-family: var(--font);
}

.timer-input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.btn-timer {
  background: var(--bg-card);
  border: none;
  padding: 8px 14px;
  border-radius: var(--radius-xs);
  font-weight: 700;
  font-size: .78rem;
  color: var(--accent);
  box-shadow:
    3px 3px 6px var(--shadow-dark),
   -3px -3px 6px var(--shadow-light);
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font);
  white-space: nowrap;
}

.btn-timer:active {
  box-shadow:
    inset 3px 3px 6px var(--shadow-dark),
    inset -3px -3px 6px var(--shadow-light);
}

.btn-timer.running {
  color: var(--accent2);
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .6; }
}

.btn-timer.finished {
  color: var(--accent);
  animation: none;
}

/* ---- Save Button ---- */
.btn-save {
  width: 100%;
  padding: 16px;
  border: none;
  border-radius: var(--radius);
  font-size: 1.1rem;
  font-weight: 800;
  cursor: pointer;
  background: linear-gradient(135deg, var(--accent2), #22b573);
  color: #fff;
  box-shadow: 0 6px 20px var(--accent2-glow);
  transition: all var(--transition);
  font-family: var(--font);
  letter-spacing: .3px;
  position: relative;
  overflow: hidden;
}

.btn-save::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.2), transparent);
  transition: left .5s;
}

.btn-save:hover::before { left: 100%; }

.btn-save:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--accent2-glow);
}

.btn-save:active {
  transform: translateY(0);
}

.btn-save.saved {
  background: linear-gradient(135deg, #636e72, #b2bec3);
  cursor: default;
  box-shadow: none;
}

/* ---- History Section ---- */
.history-section {
  padding: 20px;
}

.history-section h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.history-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.history-item {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: var(--bg);
  box-shadow: inset 2px 2px 5px var(--shadow-dark), inset -2px -2px 5px var(--shadow-light);
  font-size: .84rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  animation: fadeIn .3s ease;
}

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

.history-item .hi-day {
  font-weight: 700;
  color: var(--accent);
}

.history-item .hi-date {
  color: var(--text-secondary);
  font-size: .78rem;
}

.history-item .hi-type {
  font-size: .72rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 6px;
  background: var(--accent3-glow);
  color: var(--accent3);
}

.history-empty {
  text-align: center;
  color: var(--text-secondary);
  font-size: .85rem;
  padding: 24px 0;
  font-style: italic;
}

/* ---- Weight Tracker ---- */
.weight-section {
  padding: 20px;
}

.weight-section h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.weight-input-row {
  display: flex;
  gap: 10px;
  align-items: center;
}

.weight-input {
  flex: 1;
  padding: 12px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--bg);
  box-shadow: inset 3px 3px 6px var(--shadow-dark), inset -3px -3px 6px var(--shadow-light);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  text-align: center;
  font-family: var(--font);
}

.weight-input:focus {
  outline: 2px solid var(--accent);
}

.btn-weight {
  padding: 12px 18px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  box-shadow:
    4px 4px 8px var(--shadow-dark),
   -4px -4px 8px var(--shadow-light);
  font-size: .85rem;
  font-weight: 700;
  color: var(--accent3);
  cursor: pointer;
  font-family: var(--font);
  transition: all var(--transition);
}

.btn-weight:active {
  box-shadow: inset 4px 4px 8px var(--shadow-dark), inset -4px -4px 8px var(--shadow-light);
}

.weight-chart {
  margin-top: 16px;
  height: 140px;
  border-radius: var(--radius-sm);
  background: var(--bg);
  box-shadow: inset 2px 2px 4px var(--shadow-dark), inset -2px -2px 4px var(--shadow-light);
  position: relative;
  overflow: hidden;
  padding: 10px;
}

.weight-chart canvas {
  width: 100% !important;
  height: 100% !important;
}

.weight-stats {
  display: flex;
  justify-content: space-around;
  margin-top: 14px;
  text-align: center;
}

.weight-stat .ws-value {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--accent);
}

.weight-stat .ws-label {
  font-size: .7rem;
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  margin-top: 2px;
}

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

.stat-card {
  padding: 16px;
  text-align: center;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  box-shadow:
    4px 4px 8px var(--shadow-dark),
   -4px -4px 8px var(--shadow-light);
}

.stat-card .stat-value {
  font-size: 1.6rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent), #ff6b81);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-card .stat-label {
  font-size: .72rem;
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  margin-top: 4px;
  letter-spacing: .3px;
}

/* ---- Bottom Navigation ---- */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-card);
  box-shadow: 0 -4px 20px rgba(0,0,0,.1);
  display: flex;
  justify-content: space-around;
  padding: 8px 0 calc(8px + env(safe-area-inset-bottom));
  z-index: 100;
  backdrop-filter: blur(10px);
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  cursor: pointer;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: .65rem;
  font-weight: 600;
  font-family: var(--font);
  padding: 6px 12px;
  border-radius: var(--radius-xs);
  transition: all var(--transition);
  min-width: 60px;
}

.nav-item .nav-icon {
  font-size: 1.3rem;
  transition: transform var(--transition);
}

.nav-item.active {
  color: var(--accent);
}

.nav-item.active .nav-icon {
  transform: scale(1.15);
}

/* ---- Tab Panels ---- */
.tab-panel {
  display: none;
}

.tab-panel.active {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ---- Modal / Overlay ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  backdrop-filter: blur(8px);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn .2s ease;
}

.modal-overlay.show {
  display: flex;
}

.modal-content {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 24px;
  max-width: 420px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(0,0,0,.3);
  animation: scaleIn .3s ease;
  max-height: 80vh;
  overflow-y: auto;
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(.9); }
  to   { opacity: 1; transform: scale(1); }
}

.modal-content h3 {
  font-size: 1.1rem;
  margin-bottom: 14px;
}

.modal-close {
  float: right;
  background: none;
  border: none;
  font-size: 1.3rem;
  cursor: pointer;
  color: var(--text-secondary);
  padding: 4px;
}

/* ---- Calendar View ---- */
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  margin-top: 8px;
}

.cal-header {
  font-size: .65rem;
  font-weight: 700;
  text-align: center;
  color: var(--text-secondary);
  padding: 4px;
  text-transform: uppercase;
}

.cal-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-xs);
  font-size: .75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  background: var(--bg);
  color: var(--text);
}

.cal-day.completed {
  background: linear-gradient(135deg, var(--accent2), #22b573);
  color: #fff;
  box-shadow: 0 2px 6px var(--accent2-glow);
}

.cal-day.today {
  border: 2px solid var(--accent);
  font-weight: 800;
}

.cal-day.rest {
  opacity: .3;
  cursor: default;
}

.cal-day.future {
  opacity: .5;
}

.cal-month-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.cal-month-nav h3 {
  font-size: 1rem;
  font-weight: 700;
}

.cal-month-nav button {
  background: var(--bg-card);
  border: none;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  cursor: pointer;
  color: var(--text);
  font-size: 1rem;
  box-shadow: 3px 3px 6px var(--shadow-dark), -3px -3px 6px var(--shadow-light);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---- Responsive ---- */
@media (min-width: 480px) {
  .app-main { width: 90%; }
  .exercise-card { padding: 24px; }
  .svg-container { width: 130px; height: 130px; }
}

@media (min-width: 768px) {
  .app-main { max-width: 600px; }
  .app-header h1 { font-size: 1.7rem; }
  .status-card .day-number { font-size: 3.5rem; }
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 1024px) {
  .app-main { max-width: 680px; }
}

/* ---- Toast Notification ---- */
.toast {
  position: fixed;
  bottom: 90px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg-card);
  color: var(--text);
  padding: 14px 24px;
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(0,0,0,.2);
  font-size: .9rem;
  font-weight: 600;
  z-index: 300;
  transition: transform .4s cubic-bezier(.22,1,.36,1);
  pointer-events: none;
  max-width: 90%;
  text-align: center;
}

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

/* ---- Exercise Detail Popup ---- */
.ex-detail-badge {
  display: inline-block;
  margin-top: 6px;
  font-size: .7rem;
  font-weight: 600;
  color: var(--accent2);
  cursor: pointer;
  text-decoration: underline;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--shadow-dark); border-radius: 4px; }

/* ---- Rest Day Card ---- */
.rest-day-card {
  padding: 40px 20px;
  text-align: center;
}

.rest-day-card .rest-icon {
  font-size: 3rem;
  margin-bottom: 12px;
}

.rest-day-card h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.rest-day-card p {
  color: var(--text-secondary);
  font-size: .9rem;
  line-height: 1.5;
}

/* ---- HIIT timer special ---- */
.hiit-timer {
  margin-top: 14px;
  padding: 16px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent), #ff6b81);
  color: #fff;
  text-align: center;
}

.hiit-timer .hiit-time {
  font-size: 2.5rem;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
}

.hiit-timer .hiit-label {
  font-size: .85rem;
  font-weight: 600;
  margin-top: 4px;
}

.hiit-timer .hiit-round {
  font-size: .75rem;
  opacity: .8;
  margin-top: 2px;
}

.btn-hiit {
  margin-top: 10px;
  padding: 10px 24px;
  border: 2px solid #fff;
  background: transparent;
  color: #fff;
  border-radius: var(--radius-xs);
  font-size: .9rem;
  font-weight: 700;
  cursor: pointer;
  font-family: var(--font);
  transition: all var(--transition);
}

.btn-hiit:hover {
  background: rgba(255,255,255,.2);
}

/* ---- Confetti ---- */
.confetti-container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 999;
  overflow: hidden;
}