:root {
  --bg: #fbf3ec;
  --surface: #ffffff;
  --ink: #201a2b;
  --muted: #8a8396;
  --line: #efe6dd;
  --primary: #7c3aed;
  --primary-ink: #ffffff;
  --primary-soft: #efe5ff;
  --danger: #e5484d;
  --danger-soft: #ffe3e3;
  --success: #30a46c;
  --success-soft: #d9f5e6;
  --shadow: 0 10px 30px rgba(60, 40, 90, 0.10);
  --shadow-sm: 0 4px 14px rgba(60, 40, 90, 0.08);
  --radius: 24px;
  --radius-sm: 16px;
  --accent: #7c3aed;
  --accent-soft: #efe5ff;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Outfit", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; font-weight: 600; }

.material-symbols-rounded {
  font-variation-settings: "FILL" 1, "wght" 400, "GRAD" 0, "opsz" 24;
  font-size: 22px;
  line-height: 1;
  vertical-align: middle;
}

.app {
  max-width: 480px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding-bottom: 84px;
}

/* Top bar */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px 8px;
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
}
.topbar-brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: linear-gradient(135deg, #ff5c7a, #ff9f1c);
  font-size: 20px;
  box-shadow: var(--shadow-sm);
}
.brand-mark.big { width: 72px; height: 72px; font-size: 36px; border-radius: 24px; }
.brand-name { font-weight: 800; font-size: 20px; letter-spacing: -0.3px; }
.topbar-user {
  display: flex;
  align-items: center;
}
.logout-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: var(--surface);
  color: var(--danger);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
}

/* Content */
.content { padding: 8px 20px 24px; flex: 1; }

.view { display: none; animation: fade .18s ease; }
.view.is-active { display: block; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.view-title { font-size: 26px; font-weight: 800; letter-spacing: -0.5px; margin: 12px 0 4px; }
.view-sub { color: var(--muted); margin: 0 0 18px; font-size: 15px; }
.section-title { font-size: 15px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: 0.6px; margin: 22px 0 10px; }

/* Cards */
.card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow-sm);
}

/* Template list */
.template-list { display: flex; flex-direction: column; gap: 12px; }
.template-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--surface);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow-sm);
  border: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  transition: transform .12s ease, box-shadow .12s ease;
}
.template-card:active { transform: scale(0.985); }
.template-icon {
  width: 52px; height: 52px; border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  background: var(--accent-soft);
  color: var(--accent);
  flex-shrink: 0;
}
.template-meta { flex: 1; min-width: 0; }
.template-name { font-weight: 800; font-size: 17px; }
.template-count { color: var(--muted); font-size: 13px; }
.template-arrow { color: var(--muted); }

/* Active workout card */
.active-card {
  background: linear-gradient(135deg, var(--accent), var(--accent));
  color: #fff;
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  margin-bottom: 6px;
  position: relative;
  overflow: hidden;
}
.active-card::after {
  content: "";
  position: absolute;
  right: -40px; top: -40px;
  width: 140px; height: 140px;
  background: rgba(255,255,255,0.16);
  border-radius: 50%;
}
.active-title { font-weight: 800; font-size: 18px; }
.active-sub { opacity: 0.9; font-size: 14px; margin-top: 2px; }
.active-progress { margin-top: 12px; font-size: 13px; font-weight: 600; }
.active-progress-bar { height: 8px; background: rgba(255,255,255,0.3); border-radius: 999px; margin-top: 6px; overflow: hidden; }
.active-progress-fill { height: 100%; background: #fff; border-radius: 999px; }

/* Workout */
.workout-head {
  background: linear-gradient(135deg, var(--accent), var(--accent));
  color: #fff;
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  margin-bottom: 18px;
}
.workout-head-title { font-weight: 800; font-size: 20px; }
.workout-head-meta { opacity: 0.9; font-size: 13px; margin-top: 3px; }
.workout-head-progress { margin-top: 12px; font-size: 13px; font-weight: 700; }
.workout-head-bar { height: 8px; background: rgba(255,255,255,0.3); border-radius: 999px; margin-top: 6px; overflow: hidden; }
.workout-head-fill { height: 100%; background: #fff; border-radius: 999px; transition: width .25s ease; }

.exercise-list { display: flex; flex-direction: column; gap: 12px; }

.exercise-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow-sm);
  border-left: 5px solid var(--accent);
  transition: opacity .15s ease;
}
.exercise-card.is-done { border-left-color: var(--success); }
.exercise-top { display: flex; align-items: flex-start; gap: 10px; }
.exercise-check {
  width: 34px; height: 34px; border-radius: 12px;
  border: 2px solid var(--line);
  background: var(--surface);
  display: flex; align-items: center; justify-content: center;
  color: transparent;
  cursor: pointer;
  flex-shrink: 0;
  transition: all .15s ease;
  margin-top: 2px;
}
.exercise-check.is-done {
  background: var(--success);
  border-color: var(--success);
  color: #fff;
}
.exercise-info { flex: 1; min-width: 0; }
.exercise-name { font-weight: 700; font-size: 16px; line-height: 1.25; }
.exercise-notes { color: var(--muted); font-size: 12.5px; margin-top: 3px; line-height: 1.35; }
.exercise-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 2px 9px;
  border-radius: 999px;
  margin-bottom: 5px;
  letter-spacing: 0.3px;
}
.exercise-remove {
  border: none;
  background: var(--danger-soft);
  color: var(--danger);
  width: 30px; height: 30px;
  border-radius: 10px;
  cursor: pointer;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}

.exercise-inputs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 14px;
}
.input-group { display: flex; flex-direction: column; gap: 4px; }
.input-label { font-size: 11px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: 0.4px; }
.input {
  font-family: inherit;
  font-size: 17px;
  font-weight: 700;
  border: 2px solid var(--line);
  background: #faf7f3;
  border-radius: 14px;
  padding: 12px 10px;
  width: 100%;
  text-align: center;
  color: var(--ink);
  transition: border-color .15s ease;
  -webkit-appearance: none;
}
.input:focus { outline: none; border-color: var(--accent); background: #fff; }
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }

/* Buttons */
.btn {
  font-family: inherit;
  font-weight: 700;
  font-size: 16px;
  border: none;
  border-radius: 16px;
  padding: 14px 18px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: transform .12s ease, filter .12s ease;
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--primary); color: #fff; box-shadow: var(--shadow-sm); }
.btn-ghost {
  background: transparent;
  color: var(--primary);
  border: 2px dashed var(--line);
  width: 100%;
  margin: 14px 0 4px;
}
.btn-danger { background: var(--danger-soft); color: var(--danger); }
.btn-block { width: 100%; }
.workout-actions { display: flex; gap: 10px; margin-top: 8px; }
.workout-actions .btn { flex: 1; }
.btn-primary:disabled { filter: grayscale(0.4); opacity: 0.7; }

/* Bottom nav */
.bottomnav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  max-width: 480px;
  margin: 0 auto;
  background: var(--surface);
  display: flex;
  box-shadow: 0 -6px 24px rgba(60, 40, 90, 0.10);
  padding: 8px 8px calc(8px + env(safe-area-inset-bottom));
  z-index: 20;
  border-radius: 20px 20px 0 0;
}
.nav-btn {
  flex: 1;
  background: none;
  border: none;
  font-family: inherit;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 6px 0;
  color: var(--muted);
  cursor: pointer;
  border-radius: 14px;
  transition: color .15s ease, background .15s ease;
}
.nav-btn .material-symbols-rounded { font-size: 24px; }
.nav-label { font-size: 11px; font-weight: 700; }
.nav-btn.is-active { color: var(--primary); background: var(--primary-soft); }

/* Toast */
.toast {
  position: fixed;
  bottom: 96px; left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: #201a2b;
  color: #fff;
  padding: 11px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
  z-index: 40;
  max-width: 90%;
  text-align: center;
}
.toast.is-visible { opacity: 1; transform: translateX(-50%) translateY(0); }

/* Bottom sheet */
.sheet-backdrop {
  position: fixed; inset: 0;
  background: rgba(30, 20, 40, 0.45);
  z-index: 30;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}
.sheet-backdrop[hidden] { display: none; }
.sheet {
  background: var(--surface);
  width: 100%;
  max-width: 480px;
  border-radius: 28px 28px 0 0;
  padding: 10px 20px 24px;
  max-height: 82vh;
  display: flex;
  flex-direction: column;
  animation: sheetup .22s ease;
}
@keyframes sheetup { from { transform: translateY(40px); opacity: 0; } to { transform: none; opacity: 1; } }
.sheet-handle { width: 44px; height: 5px; background: var(--line); border-radius: 999px; margin: 0 auto 14px; }
.sheet-title { font-weight: 800; font-size: 19px; margin-bottom: 12px; }
.sheet-tabs { display: flex; gap: 8px; margin-bottom: 12px; }
.sheet-tab {
  flex: 1;
  font-family: inherit;
  font-weight: 700;
  font-size: 14px;
  padding: 11px 8px;
  border-radius: 999px;
  border: none;
  background: #f4efe9;
  color: var(--muted);
  cursor: pointer;
}
.sheet-tab.is-active { background: var(--primary); color: #fff; }
.sheet-body { overflow-y: auto; display: flex; flex-direction: column; gap: 8px; }
.sheet-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  padding: 14px;
  border: none;
  background: #faf7f3;
  border-radius: 14px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  color: var(--ink);
}
.sheet-item .material-symbols-rounded { color: var(--accent); }

/* Log */
.log-list { display: flex; flex-direction: column; gap: 12px; }
.log-card { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow-sm); overflow: hidden; }
.log-head {
  display: flex; align-items: center; gap: 12px;
  padding: 16px;
  cursor: pointer;
}
.log-date-badge {
  width: 52px; height: 52px;
  border-radius: 16px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  background: var(--accent-soft); color: var(--accent);
  flex-shrink: 0;
}
.log-date-badge .d { font-weight: 800; font-size: 20px; line-height: 1; }
.log-date-badge .m { font-size: 11px; font-weight: 700; text-transform: uppercase; }
.log-meta { flex: 1; min-width: 0; }
.log-name { font-weight: 800; font-size: 16px; }
.log-sub { color: var(--muted); font-size: 13px; margin-top: 1px; }
.log-badge {
  font-size: 12px; font-weight: 800;
  color: var(--success); background: var(--success-soft);
  padding: 4px 10px; border-radius: 999px;
  flex-shrink: 0;
}
.log-body { padding: 0 16px 16px; display: none; }
.log-card.is-open .log-body { display: block; }
.log-ex { display: flex; justify-content: space-between; align-items: center; padding: 9px 0; border-top: 1px solid var(--line); font-size: 14px; }
.log-ex:first-child { border-top: none; }
.log-ex-name { font-weight: 600; }
.log-ex-val { color: var(--muted); font-weight: 600; font-size: 13px; white-space: nowrap; }
.log-ex-name.done { color: var(--success); }

/* Analytics */
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 18px; }
.stat-card {
  background: var(--surface);
  border-radius: var(--radius-sm);
  padding: 16px;
  box-shadow: var(--shadow-sm);
}
.stat-num { font-weight: 800; font-size: 28px; letter-spacing: -0.5px; }
.stat-label { color: var(--muted); font-size: 13px; font-weight: 600; margin-top: 2px; }
.stat-card.accent1 .stat-num { color: #ff5c7a; }
.stat-card.accent2 .stat-num { color: #00bfa6; }
.stat-card.accent3 .stat-num { color: #448aff; }
.stat-card.accent4 .stat-num { color: #9c4dff; }

.chart-card { background: var(--surface); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow-sm); margin-bottom: 14px; }
.chart-title { font-weight: 800; font-size: 16px; margin-bottom: 4px; }
.chart-sub { color: var(--muted); font-size: 13px; margin-bottom: 12px; }
.chart-box { position: relative; height: 240px; }

.select {
  font-family: inherit;
  font-weight: 600;
  font-size: 15px;
  padding: 11px 14px;
  border: 2px solid var(--line);
  border-radius: 14px;
  background: #faf7f3;
  color: var(--ink);
  width: 100%;
  margin-bottom: 10px;
}

.pr-list { display: flex; flex-direction: column; gap: 8px; }
.pr-row {
  display: flex; align-items: center; gap: 12px;
  background: var(--surface);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  box-shadow: var(--shadow-sm);
}
.pr-emoji { font-size: 22px; }
.pr-name { flex: 1; font-weight: 700; font-size: 15px; }
.pr-stats { display: flex; gap: 10px; font-size: 12px; color: var(--muted); font-weight: 700; }
.pr-stat b { display: block; font-size: 14px; color: var(--ink); }
.pr-stat { text-align: right; }

.empty {
  text-align: center;
  color: var(--muted);
  padding: 40px 20px;
  font-size: 15px;
}
.empty .material-symbols-rounded { font-size: 44px; color: var(--line); display: block; margin: 0 auto 10px; }

/* Auth */
.auth-body { background: linear-gradient(160deg, #fff3ec, #f3e8ff); }
.auth-wrap { max-width: 420px; margin: 0 auto; padding: 60px 20px 40px; }
.auth-hero { text-align: center; margin-bottom: 26px; }
.auth-hero .brand-mark { margin: 0 auto 14px; display: flex; }
.auth-title { font-size: 32px; font-weight: 800; margin: 0; letter-spacing: -0.5px; }
.auth-sub { color: var(--muted); margin: 6px 0 0; }
.auth-card-title { font-size: 20px; font-weight: 800; margin: 0 0 16px; }
.field { display: block; margin-bottom: 14px; }
.field-label { display: block; font-size: 12px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: 0.4px; margin-bottom: 6px; }
.auth-card .input { text-align: left; }
.auth-alt { text-align: center; color: var(--muted); font-size: 14px; margin: 16px 0 0; }
.alert { background: var(--danger-soft); color: var(--danger); padding: 12px 14px; border-radius: 12px; font-size: 14px; font-weight: 600; margin-bottom: 14px; }

@media (max-width: 360px) {
  .exercise-inputs { grid-template-columns: repeat(3, 1fr); gap: 8px; }
}