/* =========================================================
   FIT COACH — STYLES
   Mobile-first • Dark/Light theme • CSS variables
   ========================================================= */

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }

:root {
  --neon-cyan: #00f5ff;
  --neon-purple: #7b2cff;
  --neon-green: #00ff9f;
  --neon-pink: #ff2d92;
  --neon-amber: #ffb320;
  --neon-red: #ff3b3b;

  --bg-1: #050507;
  --bg-2: #0a0a14;
  --bg-3: #11121e;
  --surface: rgba(20, 22, 38, 0.5);
  --surface-2: rgba(28, 30, 48, 0.6);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);

  --text-1: #ffffff;
  --text-2: #b3b8d4;
  --text-3: #6c7099;

  --grad-primary: linear-gradient(135deg, #00f5ff 0%, #7b2cff 100%);
  --grad-success: linear-gradient(135deg, #00ff9f 0%, #00f5ff 100%);
  --grad-warning: linear-gradient(135deg, #ff2d92 0%, #ffb320 100%);
  --grad-fire:    linear-gradient(135deg, #ff5a3c 0%, #ffb320 100%);

  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 24px;

  --font-display: 'Orbitron', system-ui, sans-serif;
  --font-body: 'Outfit', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

[data-theme="light"] {
  --bg-1: #f4f5fa;
  --bg-2: #ffffff;
  --bg-3: #eef0f7;
  --surface: rgba(255, 255, 255, 0.85);
  --surface-2: rgba(248, 249, 255, 0.95);
  --border: rgba(15, 20, 40, 0.08);
  --border-strong: rgba(15, 20, 40, 0.16);
  --text-1: #0f1428;
  --text-2: #4a5070;
  --text-3: #8a8fa8;
}

html, body { height: 100%; }
body {
  font-family: var(--font-body);
  background: var(--bg-1);
  color: var(--text-1);
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  line-height: 1.5;
  font-size: 15px;
}

/* Animated background gradient mesh */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(0, 245, 255, 0.15), transparent 45%),
    radial-gradient(circle at 85% 80%, rgba(123, 44, 255, 0.18), transparent 45%),
    radial-gradient(circle at 50% 50%, rgba(255, 45, 146, 0.07), transparent 60%);
  z-index: -1;
  pointer-events: none;
  animation: bgFloat 20s ease-in-out infinite;
}
@keyframes bgFloat {
  0%, 100% { transform: scale(1) rotate(0deg); }
  50% { transform: scale(1.08) rotate(2deg); }
}
[data-theme="light"] body::before { opacity: 0.45; }

/* =========================================================
   SCREEN MANAGEMENT — qualified with .active to ensure toggle works
   ========================================================= */
.screen { display: none; min-height: 100vh; position: relative; z-index: 2; }
.screen.active { display: block; animation: screenIn 0.5s cubic-bezier(0.16, 1, 0.3, 1); }
#screen-entry.active {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
#screen-onboarding.active {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 28px 16px;
}
#screen-dashboard.active {
  display: block;
  padding-bottom: 60px;
}
#screen-workout.active { display: block; }

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

/* =========================================================
   ENTRY GATE
   ========================================================= */
#bg-canvas {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
}
.entry-card {
  position: relative; z-index: 5;
  width: 100%; max-width: 440px;
  padding: 40px 32px; text-align: center;
  background: rgba(10, 12, 24, 0.75);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  border: 1px solid rgba(0, 245, 255, 0.22);
  border-radius: var(--r-xl);
  box-shadow: 0 20px 60px rgba(0,0,0,0.45), 0 0 80px rgba(0,245,255,0.1);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-theme="light"] .entry-card { background: rgba(255,255,255,0.92); }
.entry-card.shake { animation: shake 0.5s; }
@keyframes shake {
  0%,100% { transform: translateX(0); }
  20%,60% { transform: translateX(-8px); }
  40%,80% { transform: translateX(8px); }
}
.brand-mark {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; margin-bottom: 22px;
  background: rgba(0,245,255,0.1);
  border: 1px solid rgba(0,245,255,0.3);
  border-radius: 100px;
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 2.5px; color: var(--neon-cyan);
  text-transform: uppercase;
}
.brand-mark .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--neon-cyan);
  box-shadow: 0 0 12px var(--neon-cyan);
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.4} }
.entry-title {
  font-family: var(--font-display); font-weight: 900;
  font-size: 42px; letter-spacing: 4px;
  margin-bottom: 12px;
  background: var(--grad-primary);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.entry-subtitle {
  color: var(--text-2); font-size: 14px;
  margin-bottom: 28px; line-height: 1.6;
}
.code-input-wrap { margin-bottom: 8px; }
.code-input {
  width: 100%; padding: 18px 16px;
  background: rgba(0,0,0,0.4);
  border: 2px solid var(--border-strong);
  border-radius: var(--r-md);
  color: var(--text-1);
  font-family: var(--font-mono);
  font-size: 24px; text-align: center;
  letter-spacing: 12px;
  outline: none; transition: all 0.2s;
}
[data-theme="light"] .code-input { background: rgba(0,0,0,0.04); }
.code-input:focus {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 0 4px rgba(0,245,255,0.12);
}
.code-error {
  color: var(--neon-red); font-size: 13px;
  height: 18px; margin-bottom: 14px;
  opacity: 0; transition: opacity 0.2s;
}
.code-error.show { opacity: 1; }
.entry-hint {
  margin-top: 22px;
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 2px;
  color: var(--text-3);
}

/* ===== WELCOME SCREEN (replaces old SECURE ACCESS gate) ===== */
.welcome-card { max-width: 460px; padding: 44px 34px 34px; }
.entry-tagline {
  font-family: var(--font-mono);
  font-size: 12px; letter-spacing: 3px;
  color: var(--neon-cyan);
  text-transform: uppercase;
  margin-bottom: 18px;
  opacity: 0.9;
}
.welcome-features {
  list-style: none; padding: 0; margin: 8px 0 24px;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.welcome-features li {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  background: rgba(123, 44, 255, 0.07);
  border: 1px solid rgba(123, 44, 255, 0.18);
  border-radius: 12px;
  font-size: 12.5px; color: var(--text-1);
  text-align: left; line-height: 1.25;
  transition: all 0.25s ease;
}
.welcome-features li:hover {
  background: rgba(123, 44, 255, 0.14);
  border-color: rgba(0, 245, 255, 0.35);
  transform: translateY(-2px);
}
.welcome-features .wf-ico { font-size: 18px; flex-shrink: 0; }
.welcome-cta {
  width: 100%;
  font-size: 16px;
  letter-spacing: 1px;
  padding: 15px 20px;
}

/* SEO offscreen block — fully readable by search engine crawlers,
   visually invisible and non-interactive for sighted users.
   Uses position:fixed + off-viewport + pointer-events:none for max reliability. */
.seo-offscreen {
  position: fixed !important;
  left: -10000px !important;
  top: -10000px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  pointer-events: none !important;
  opacity: 0 !important;
  visibility: hidden !important;
}

/* Mobile tweaks for welcome features */
@media (max-width: 420px) {
  .welcome-features { grid-template-columns: 1fr; gap: 8px; }
  .welcome-features li { font-size: 13px; padding: 9px 12px; }
  .welcome-card { padding: 34px 22px 26px; }
}

/* =========================================================
   BUTTONS
   ========================================================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 13px 22px;
  border-radius: var(--r-md);
  font-family: var(--font-body); font-weight: 600; font-size: 14px;
  cursor: pointer; transition: all 0.2s;
  border: none; outline: none;
  letter-spacing: 0.3px;
}
.btn-primary {
  background: var(--grad-primary);
  color: #050507; font-weight: 700;
  box-shadow: 0 6px 20px rgba(0,245,255,0.32);
}
.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(0,245,255,0.45);
}
.btn-primary:disabled {
  opacity: 0.45; cursor: not-allowed;
  background: var(--surface-2); color: var(--text-3);
  box-shadow: none;
}
.btn-secondary {
  background: var(--surface-2); color: var(--text-1);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  border-color: var(--neon-cyan); background: rgba(0,245,255,0.06);
}
.btn-danger {
  background: var(--neon-red); color: #fff;
  box-shadow: 0 4px 14px rgba(255,59,59,0.32);
}

/* =========================================================
   ONBOARDING
   ========================================================= */
.onboard-container { width: 100%; max-width: 720px; }
.onboard-header { text-align: center; margin-bottom: 28px; }
.onboard-header h2 {
  font-family: var(--font-display); font-size: 26px;
  letter-spacing: 1.5px; margin-bottom: 8px;
}
.onboard-header p { color: var(--text-2); font-size: 14px; }
.onboard-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 28px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.form-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 18px;
  margin-bottom: 22px;
}
.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label {
  font-size: 12px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 1.2px;
  color: var(--text-2);
  display: flex; align-items: center; gap: 8px;
  justify-content: space-between;
}
.field-hint {
  font-size: 10px; font-weight: 500; text-transform: none;
  letter-spacing: 0.3px; color: var(--text-3);
  font-style: italic;
}
.field input, .field select {
  padding: 13px 15px;
  background: rgba(0,0,0,0.25);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  color: var(--text-1); font-family: var(--font-body);
  font-size: 15px; outline: none; transition: all 0.2s;
}
[data-theme="light"] .field input,
[data-theme="light"] .field select { background: rgba(255,255,255,0.7); }
.field input:focus, .field select:focus {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 0 3px rgba(0,245,255,0.1);
}
.option-group {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
}
.option-card {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 14px 10px;
  background: rgba(0,0,0,0.25);
  border: 2px solid var(--border);
  border-radius: var(--r-md);
  cursor: pointer; transition: all 0.2s;
  text-align: center; font-size: 13px; font-weight: 500;
}
[data-theme="light"] .option-card { background: rgba(255,255,255,0.6); }
.option-card .ico { font-size: 22px; }
.option-card:hover { border-color: var(--text-3); transform: translateY(-1px); }
.option-card.selected {
  border-color: var(--neon-cyan);
  background: rgba(0,245,255,0.08);
  color: var(--neon-cyan); font-weight: 600;
  box-shadow: 0 4px 16px rgba(0,245,255,0.2);
}
.onboard-footer {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 14px; margin-top: 12px;
}
.step-text { font-size: 12px; color: var(--text-3); }
.reset-link {
  font-size: 13px; color: var(--text-3);
  text-decoration: underline; cursor: pointer;
  background: none; border: none;
  padding: 14px 0;
}
.reset-link:hover { color: var(--neon-cyan); }
@media (max-width: 600px) {
  .form-grid { grid-template-columns: 1fr; }
  .onboard-card { padding: 20px; }
  .entry-title { font-size: 32px; letter-spacing: 3px; }
}

/* =========================================================
   DASHBOARD HEADER
   ========================================================= */
.app-header {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px;
  background: rgba(10,12,24,0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
[data-theme="light"] .app-header { background: rgba(255,255,255,0.82); }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-mark {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  background: var(--grad-primary);
  border-radius: 10px;
  font-size: 18px;
  box-shadow: 0 4px 14px rgba(0,245,255,0.3);
}
.logo-text {
  font-family: var(--font-display); font-weight: 700;
  font-size: 16px; letter-spacing: 2px;
}
.logo-sub {
  font-size: 10px; color: var(--text-3);
  font-family: var(--font-mono); letter-spacing: 1.2px;
}
.header-actions { display: flex; align-items: center; gap: 8px; }
.streak-pill, .xp-pill {
  display: flex; align-items: center; gap: 5px;
  padding: 6px 12px;
  background: var(--surface-2);
  border-radius: 100px;
  font-size: 13px; font-weight: 600;
  border: 1px solid var(--border);
}
.streak-pill { color: var(--neon-amber); border-color: rgba(255,179,32,0.3); }
.xp-pill { color: var(--neon-purple); border-color: rgba(123,44,255,0.3); }
.icon-btn {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer; font-size: 16px;
  color: var(--text-1); transition: all 0.2s;
}
.icon-btn:hover { border-color: var(--neon-cyan); background: rgba(0,245,255,0.06); }
.icon-btn.danger:hover { border-color: var(--neon-red); background: rgba(255,59,59,0.08); color: var(--neon-red); }
@media (max-width: 600px) {
  .logo-sub { display: none; }
  .header-actions { gap: 6px; }
  .streak-pill, .xp-pill { padding: 5px 9px; font-size: 12px; }
}

.dashboard-wrap { max-width: 1280px; margin: 0 auto; padding: 22px; }
@media (max-width: 600px) { .dashboard-wrap { padding: 16px 12px; } }

/* =========================================================
   WELCOME PANEL
   ========================================================= */
.welcome-panel {
  position: relative;
  padding: 32px 28px; margin-bottom: 22px;
  border-radius: var(--r-xl);
  background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: blur(20px);
  overflow: hidden;
}
.welcome-panel::after {
  content: ''; position: absolute; top: -50%; right: -20%;
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(0,245,255,0.18), transparent 70%);
  border-radius: 50%; pointer-events: none;
}
.welcome-greet {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--neon-cyan); letter-spacing: 3px;
  margin-bottom: 6px;
}
.welcome-name {
  font-family: var(--font-display); font-size: 28px;
  font-weight: 700; margin-bottom: 12px;
}
.welcome-quote {
  font-style: italic; color: var(--text-2);
  font-size: 14px; margin-bottom: 22px;
  max-width: 540px;
}
.welcome-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}
.stat-pill {
  padding: 12px 14px;
  background: rgba(0,0,0,0.3);
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  text-align: center;
}
[data-theme="light"] .stat-pill { background: rgba(255,255,255,0.65); }
.stat-pill .label {
  font-family: var(--font-mono); font-size: 10px;
  text-transform: uppercase; color: var(--text-3);
  letter-spacing: 1.2px; margin-bottom: 4px;
}
.stat-pill .value {
  font-family: var(--font-display); font-size: 19px;
  font-weight: 700; color: var(--neon-cyan);
}
.xp-progress { position: relative; }
.xp-progress-label {
  display: flex; justify-content: space-between;
  font-size: 12px; color: var(--text-2);
  margin-bottom: 6px;
}
.xp-progress-bar {
  height: 8px; background: rgba(0,0,0,0.3);
  border-radius: 100px; overflow: hidden;
}
.xp-progress-fill {
  height: 100%;
  background: var(--grad-primary);
  border-radius: 100px;
  transition: width 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 0 14px rgba(0,245,255,0.5);
}

/* =========================================================
   AI INSIGHTS
   ========================================================= */
.ai-insights {
  display: grid; gap: 10px; margin-bottom: 22px;
}
.ai-insight-item {
  padding: 14px 18px;
  background: linear-gradient(90deg, rgba(0,245,255,0.08), rgba(123,44,255,0.05));
  border: 1px solid rgba(0,245,255,0.2);
  border-left: 3px solid var(--neon-cyan);
  border-radius: var(--r-md);
  font-size: 14px; color: var(--text-1);
  display: flex; align-items: center; gap: 10px;
}

/* =========================================================
   CARDS / SECTION HEADINGS
   ========================================================= */
.section-heading {
  margin: 30px 0 14px;
  display: flex; align-items: center; gap: 10px;
}
.section-heading::before {
  content: ''; width: 4px; height: 22px;
  background: var(--grad-primary); border-radius: 2px;
}
.section-heading h2 {
  font-family: var(--font-display); font-size: 18px;
  letter-spacing: 1.5px;
}
.grid-2 {
  display: grid; gap: 18px;
  grid-template-columns: 1fr 1fr;
  margin-bottom: 18px;
}
@media (max-width: 768px) { .grid-2 { grid-template-columns: 1fr; } }
.card {
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  backdrop-filter: blur(18px);
  margin-bottom: 18px;
}
.card:last-child { margin-bottom: 0; }
.card-title {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-weight: 700;
  font-size: 14px; letter-spacing: 1.5px;
  margin-bottom: 16px;
}
.card-title .ico {
  width: 32px; height: 32px; display: grid; place-items: center;
  background: var(--grad-primary); border-radius: 8px;
  font-size: 15px;
}
.card-desc { color: var(--text-2); font-size: 13px; margin-bottom: 14px; }

/* Schedule */
.schedule-controls {
  display: flex; gap: 10px; margin-bottom: 14px; flex-wrap: wrap;
}
.schedule-controls label {
  flex: 1; min-width: 130px;
  display: flex; flex-direction: column; gap: 4px;
  font-size: 11px; color: var(--text-3);
  text-transform: uppercase; letter-spacing: 1px;
}
.schedule-controls select {
  padding: 10px 12px; font-size: 14px;
  background: rgba(0,0,0,0.3); border: 1px solid var(--border);
  border-radius: var(--r-sm); color: var(--text-1);
  font-family: var(--font-body); outline: none;
}
[data-theme="light"] .schedule-controls select { background: rgba(255,255,255,0.7); }
.schedule-grid {
  display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px;
}
.day-pill {
  padding: 10px 4px; text-align: center;
  background: rgba(0,0,0,0.25); border: 1px solid var(--border);
  border-radius: var(--r-sm); cursor: pointer;
  transition: all 0.2s; font-size: 11px;
}
.day-pill .day-name {
  font-family: var(--font-mono);
  font-size: 10px; color: var(--text-3); margin-bottom: 4px;
}
.day-pill .day-focus { font-weight: 600; font-size: 11px; }
.day-pill.rest { color: var(--text-3); }
.day-pill.active {
  border-color: var(--neon-cyan);
  background: rgba(0,245,255,0.1);
  color: var(--neon-cyan);
  box-shadow: 0 4px 14px rgba(0,245,255,0.18);
}
.today-focus {
  text-align: center; padding: 28px 16px;
  font-family: var(--font-display); font-size: 18px;
  letter-spacing: 1.5px;
  color: var(--neon-cyan);
}

/* Workout list */
.workout-list { display: flex; flex-direction: column; gap: 12px; }
.exercise-item {
  background: rgba(0,0,0,0.25);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden; transition: all 0.2s;
}
[data-theme="light"] .exercise-item { background: rgba(255,255,255,0.65); }
.exercise-head {
  padding: 14px 16px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; cursor: pointer;
}
.ex-info { display: flex; align-items: center; gap: 12px; flex: 1; min-width: 0; }
.ex-num {
  width: 36px; height: 36px; flex-shrink: 0;
  border-radius: 10px;
  background: var(--grad-primary);
  color: #050507;
  font-family: var(--font-display); font-weight: 700; font-size: 13px;
  display: grid; place-items: center;
}
.ex-name { font-weight: 600; font-size: 15px; margin-bottom: 2px; }
.ex-meta { font-size: 12px; color: var(--text-3); font-family: var(--font-mono); }
.ex-meta .ai-badge {
  display: inline-block; margin-left: 6px; padding: 2px 7px;
  background: rgba(0,255,159,0.15);
  color: var(--neon-green);
  border-radius: 100px; font-size: 9px;
  font-weight: 700; letter-spacing: 1px;
  border: 1px solid rgba(0,255,159,0.3);
}
.ex-toggle {
  font-size: 16px; color: var(--text-3); flex-shrink: 0;
  transition: transform 0.3s;
}
.exercise-item.open .ex-toggle { transform: rotate(180deg); }
.exercise-body {
  max-height: 0; overflow: hidden;
  transition: max-height 0.4s ease;
}
.exercise-item.open .exercise-body { max-height: 1500px; }
.exercise-body-inner {
  padding: 0 16px 18px;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}
.ex-media {
  position: relative; width: 100%; height: 260px;
  border-radius: 12px; overflow: hidden; margin-bottom: 14px;
  background: #ffffff;
  border: 1px solid var(--border);
}
@media (max-width: 600px) { .ex-media { height: 220px; } }
.ex-media img {
  width: 100%; height: 100%; object-fit: contain;
  display: block; padding: 6px;
}
.ex-media-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7), transparent 50%);
  display: flex; align-items: flex-end; padding: 12px;
  pointer-events: none;
}
.ex-media-badge {
  padding: 5px 12px;
  background: rgba(0,0,0,0.7); backdrop-filter: blur(10px);
  border-radius: 100px;
  font-size: 11px; color: #fff;
  font-family: var(--font-mono); letter-spacing: 1.2px;
  text-transform: uppercase; font-weight: 700;
}
.ex-stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 8px; margin-bottom: 14px;
}
.ex-stat {
  padding: 10px; background: rgba(0,0,0,0.3);
  border-radius: 8px; text-align: center;
}
[data-theme="light"] .ex-stat { background: rgba(15,20,40,0.05); }
.ex-stat .l {
  font-size: 10px; color: var(--text-3);
  text-transform: uppercase; letter-spacing: 1px;
}
.ex-stat .v {
  font-weight: 700; font-size: 14px;
  color: var(--neon-cyan); margin-top: 2px;
}
.ex-section-title {
  font-size: 11px; font-family: var(--font-mono);
  text-transform: uppercase; letter-spacing: 2px;
  color: var(--neon-cyan); margin-bottom: 8px;
  font-weight: 700;
}
.ex-instructions {
  font-size: 13px; color: var(--text-2);
  line-height: 1.6; margin-bottom: 12px;
}
.ex-tips {
  padding: 10px 12px;
  background: rgba(0,255,159,0.08);
  border-left: 3px solid var(--neon-green);
  border-radius: 0 8px 8px 0;
  font-size: 12px; color: var(--text-2);
  margin-bottom: 12px;
}
.ex-tips strong { color: var(--neon-green); }
.ex-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.ex-actions .btn { flex: 1; min-width: 140px; }
.btn-ai {
  background: linear-gradient(135deg, #00ff9f, #00f5ff);
  color: #050507; font-weight: 700;
  box-shadow: 0 4px 14px rgba(0,255,159,0.3);
}
.btn-ai:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,255,159,0.45); }
.btn-yt {
  background: #ff0000; color: #fff !important;
  text-decoration: none; box-shadow: 0 4px 14px rgba(255,0,0,0.3);
}
.btn-yt:hover { transform: translateY(-2px); }

/* =========================================================
   DIET
   ========================================================= */
.diet-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  flex-wrap: wrap; gap: 14px; margin-bottom: 16px;
}
.diet-title {
  font-family: var(--font-display); font-size: 16px;
  letter-spacing: 1.5px; margin-bottom: 4px;
}
.diet-total { font-family: var(--font-mono); color: var(--neon-cyan); font-size: 14px; }
.macro-pills { display: flex; gap: 8px; flex-wrap: wrap; }
.macro-pill {
  padding: 5px 11px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.5px;
}
.macro-pill .m-label { color: var(--text-3); margin-right: 4px; }
.macro-pill .m-val { color: var(--neon-cyan); font-weight: 700; }
.meal-tabs {
  display: flex; gap: 6px; margin-bottom: 14px; flex-wrap: wrap;
}
.meal-tab {
  flex: 1; min-width: 110px;
  padding: 10px; background: rgba(0,0,0,0.25);
  border: 1px solid var(--border); border-radius: var(--r-sm);
  cursor: pointer; font-size: 12px; font-weight: 600;
  color: var(--text-2); transition: all 0.2s;
  font-family: var(--font-body);
}
[data-theme="light"] .meal-tab { background: rgba(255,255,255,0.6); }
.meal-tab.active {
  background: rgba(0,245,255,0.1);
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}
.meal-list { display: flex; flex-direction: column; gap: 8px; }
.meal-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px;
  background: rgba(0,0,0,0.2);
  border-radius: var(--r-sm);
}
[data-theme="light"] .meal-item { background: rgba(15,20,40,0.04); }
.meal-ico { font-size: 20px; }
.meal-name { flex: 1; font-size: 13px; }
.meal-cal {
  font-family: var(--font-mono); font-size: 12px;
  color: var(--neon-cyan); font-weight: 700;
}

/* =========================================================
   PROGRESS / WATER / MEASUREMENTS
   ========================================================= */
.weight-input-row {
  display: flex; gap: 8px; margin-bottom: 14px;
}
.weight-input-row input {
  flex: 1; padding: 11px 14px;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text-1); font-size: 14px; outline: none;
}
[data-theme="light"] .weight-input-row input { background: rgba(255,255,255,0.7); }
.weight-input-row input:focus { border-color: var(--neon-cyan); }
.chart-wrap { position: relative; height: 200px; margin-bottom: 12px; }
.insight-box {
  padding: 12px 14px;
  background: rgba(0,255,159,0.08);
  border-left: 3px solid var(--neon-green);
  border-radius: 0 8px 8px 0;
  font-size: 13px;
}

/* Water tracker */
.water-display { text-align: center; margin-bottom: 14px; }
.water-count {
  font-family: var(--font-display);
  font-size: 36px; font-weight: 700;
  color: var(--neon-cyan);
}
.water-label {
  font-family: var(--font-mono);
  font-size: 11px; color: var(--text-3);
  letter-spacing: 1.5px; text-transform: uppercase;
}
.water-glasses {
  display: grid; grid-template-columns: repeat(8, 1fr);
  gap: 6px; margin-bottom: 14px;
}
.water-glass {
  aspect-ratio: 1; display: grid; place-items: center;
  background: rgba(0,0,0,0.25);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 18px; opacity: 0.4;
  transition: all 0.2s;
}
.water-glass.filled {
  opacity: 1;
  background: rgba(0,245,255,0.12);
  border-color: var(--neon-cyan);
  box-shadow: 0 0 12px rgba(0,245,255,0.3);
}
.water-controls { display: flex; gap: 8px; }
.water-controls .btn { flex: 1; }

/* Measurements */
.meas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px; margin-bottom: 14px;
}
.meas-grid .field span {
  font-size: 11px; text-transform: uppercase;
  letter-spacing: 1.2px; color: var(--text-2);
  font-weight: 600;
}
.meas-history {
  display: flex; flex-direction: column; gap: 6px;
  margin-top: 12px; max-height: 200px; overflow-y: auto;
}
.meas-history-row {
  display: flex; justify-content: space-between;
  font-family: var(--font-mono); font-size: 12px;
  padding: 8px 12px;
  background: rgba(0,0,0,0.2);
  border-radius: 6px;
}
.meas-history-row .date { color: var(--text-3); }

/* =========================================================
   STREAK / BADGES / ACHIEVEMENTS
   ========================================================= */
.streak-display {
  text-align: center; padding: 18px 0; margin-bottom: 14px;
}
.streak-num {
  font-family: var(--font-display);
  font-size: 56px; font-weight: 900;
  background: var(--grad-fire);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}
.streak-label {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 3px; color: var(--text-3);
  margin-top: 4px;
}
.badges-row {
  display: grid; grid-template-columns: repeat(6, 1fr);
  gap: 8px; margin-top: 14px;
}
.badge {
  aspect-ratio: 1; display: grid; place-items: center;
  background: rgba(0,0,0,0.3); border: 1.5px solid var(--border);
  border-radius: 12px;
  font-size: 22px; opacity: 0.35;
  transition: all 0.3s;
}
.badge.earned {
  opacity: 1; border-color: var(--neon-amber);
  background: rgba(255,179,32,0.1);
  box-shadow: 0 0 14px rgba(255,179,32,0.3);
}
.ach-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
}
.ach-card {
  padding: 14px; background: rgba(0,0,0,0.3);
  border: 1px solid var(--border); border-radius: 10px;
  text-align: center; opacity: 0.5;
  transition: all 0.3s;
}
.ach-card.unlocked {
  opacity: 1;
  border-color: var(--neon-purple);
  background: rgba(123,44,255,0.08);
}
.ach-icon { font-size: 30px; margin-bottom: 6px; }
.ach-name { font-size: 12px; font-weight: 600; margin-bottom: 2px; }
.ach-desc { font-size: 10px; color: var(--text-3); }

/* Data export */
.data-controls { display: flex; gap: 10px; flex-wrap: wrap; }
.data-controls .btn { flex: 1; min-width: 160px; }

/* Footer */
.app-footer {
  margin-top: 50px; padding: 28px 22px;
  border-top: 1px solid var(--border);
  text-align: center; color: var(--text-3); font-size: 13px;
}
.credit-block {
  margin-top: 18px; padding-top: 18px;
  border-top: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 8px; align-items: center;
}
.credit-line { font-size: 13px; color: var(--text-2); }
.credit-line strong {
  background: var(--grad-primary);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 700; font-family: var(--font-display); letter-spacing: 1px;
}
.credit-contact {
  display: inline-flex; flex-wrap: wrap; align-items: center;
  justify-content: center; gap: 4px 10px; font-size: 12.5px;
}
.credit-link {
  color: var(--text-2); text-decoration: none;
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 10px; border-radius: 6px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  transition: all 0.2s;
}
.credit-link:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  background: rgba(0,245,255,0.06);
}
.credit-sep { color: var(--text-3); opacity: 0.5; }
[data-theme="light"] .credit-link { background: rgba(0,0,0,0.03); }

/* =========================================================
   MODALS / TOAST
   ========================================================= */
.modal {
  position: fixed; inset: 0; z-index: 1000;
  display: none; align-items: center; justify-content: center;
  padding: 20px;
  background: rgba(0,0,0,0.7); backdrop-filter: blur(8px);
  animation: fadeIn 0.2s;
}
.modal.show { display: flex; }
@keyframes fadeIn { from { opacity: 0 } to { opacity: 1 } }
.modal-card {
  width: 100%; max-width: 400px;
  padding: 28px; text-align: center;
  background: var(--bg-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.modal-icon { font-size: 44px; margin-bottom: 12px; }
.modal-card h3 {
  font-family: var(--font-display); font-size: 22px;
  margin-bottom: 8px;
}
.modal-card p { color: var(--text-2); margin-bottom: 18px; font-size: 14px; }
.modal-actions { display: flex; gap: 10px; }
.modal-actions .btn { flex: 1; }

.set-summary {
  text-align: left; margin: 14px 0;
  padding: 16px;
  background: rgba(0,0,0,0.3);
  border-radius: var(--r-md);
}
.set-summary-row {
  display: flex; justify-content: space-between; padding: 6px 0;
  font-size: 14px; border-bottom: 1px dashed var(--border);
}
.set-summary-row:last-child { border-bottom: none; }
.set-summary-row strong { color: var(--neon-cyan); font-family: var(--font-mono); }

.toast {
  position: fixed; bottom: 30px; left: 50%;
  transform: translateX(-50%) translateY(100px);
  padding: 13px 22px;
  background: var(--bg-2);
  color: var(--text-1);
  border: 1px solid var(--neon-cyan);
  border-radius: 100px;
  font-size: 13px; font-weight: 600;
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
  z-index: 2000; opacity: 0;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}
.toast.show {
  opacity: 1; transform: translateX(-50%) translateY(0);
}

/* =========================================================
   WORKOUT MODE — full-screen camera + HUD
   ========================================================= */
.workout-mode {
  position: fixed; inset: 0; z-index: 999;
  background: #000;
}
.wm-camera-wrap {
  position: relative; width: 100%; height: 100%;
  overflow: hidden;
}
#wmVideo, #wmCanvas {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  /* Mirror video for natural feel (selfie-style) */
  transform: scaleX(-1);
  -webkit-transform: scaleX(-1);
}
#wmCanvas { pointer-events: none; }

.wm-hud {
  position: absolute; inset: 0;
  pointer-events: none;
  z-index: 10;
}
.wm-hud > * { pointer-events: auto; }

.wm-close {
  position: absolute; top: 16px; right: 16px;
  width: 44px; height: 44px;
  display: grid; place-items: center;
  background: rgba(0,0,0,0.6); backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%; color: #fff;
  font-size: 18px; cursor: pointer;
}

.wm-header {
  position: absolute; top: 16px; left: 16px;
  padding: 10px 16px;
  background: rgba(0,0,0,0.55); backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 14px;
  color: #fff;
}
.wm-exercise-name {
  font-family: var(--font-display); font-weight: 700;
  font-size: 18px; letter-spacing: 1.5px;
}
.wm-target {
  font-family: var(--font-mono); font-size: 11px;
  color: #cfd3ee; letter-spacing: 1px; margin-top: 2px;
}
.wm-target span { color: var(--neon-cyan); font-weight: 700; }

.wm-rep-counter {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  background: rgba(0,0,0,0.55); backdrop-filter: blur(20px);
  border: 1px solid rgba(0,245,255,0.4);
  border-radius: 28px;
  padding: 22px 38px;
  box-shadow: 0 12px 40px rgba(0,245,255,0.2);
}
.wm-rep-num {
  font-family: var(--font-display);
  font-size: 96px; font-weight: 900;
  background: var(--grad-primary);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  transition: transform 0.2s;
}
.wm-rep-num.bump { animation: repBump 0.4s; }
@keyframes repBump {
  0% { transform: scale(1); }
  40% { transform: scale(1.18); }
  100% { transform: scale(1); }
}
.wm-rep-label {
  font-family: var(--font-mono);
  font-size: 12px; color: #cfd3ee;
  letter-spacing: 4px; margin-top: 4px;
}

.wm-status {
  position: absolute;
  top: calc(50% + 110px); left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.6); backdrop-filter: blur(10px);
  padding: 8px 18px; border-radius: 100px;
  color: #fff; font-size: 13px;
  font-family: var(--font-mono); letter-spacing: 1.5px;
  text-transform: uppercase;
  border: 1px solid rgba(255,255,255,0.15);
  white-space: nowrap;
}

.wm-form-cue {
  position: absolute;
  top: 16px; left: 50%;
  transform: translateX(-50%) translateY(-100%);
  padding: 12px 22px;
  background: rgba(255,179,32,0.95);
  color: #050507;
  font-weight: 700; font-size: 14px;
  border-radius: 100px;
  box-shadow: 0 8px 26px rgba(255,179,32,0.45);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
  max-width: calc(100vw - 32px);
  overflow: hidden; text-overflow: ellipsis;
}
.wm-form-cue.show { transform: translateX(-50%) translateY(72px); }

.wm-bottom-bar {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 16px 16px calc(16px + env(safe-area-inset-bottom));
  background: linear-gradient(to top, rgba(0,0,0,0.85), transparent);
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; flex-wrap: wrap;
}
.wm-meta {
  display: flex; gap: 14px;
  font-family: var(--font-mono); font-size: 11px;
  color: #cfd3ee; letter-spacing: 1px;
}
.wm-meta strong { color: var(--neon-cyan); margin-left: 4px; }
.wm-controls { display: flex; gap: 8px; }

.wm-countdown {
  position: absolute; inset: 0;
  display: none; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.6); backdrop-filter: blur(8px);
  z-index: 20;
  font-family: var(--font-display);
  font-size: 200px; font-weight: 900;
  color: var(--neon-cyan);
  text-shadow: 0 0 40px rgba(0,245,255,0.6);
  pointer-events: none;
}
.wm-countdown.show {
  display: flex;
  animation: countdownPulse 1s ease-in-out;
}
@keyframes countdownPulse {
  0% { opacity: 0; transform: scale(0.5); }
  50% { opacity: 1; transform: scale(1); }
  100% { opacity: 0; transform: scale(1.4); }
}

/* =========================================================
   MANUAL MODE PANEL
   ========================================================= */
.wm-manual-panel {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  z-index: 5;
  padding: 80px 20px 140px;
  background: linear-gradient(135deg, #0a0a14 0%, #1a1530 50%, #0a0a14 100%);
}
.wm-manual-panel.show { display: flex; }

.wm-tap-btn {
  width: min(280px, 70vw);
  height: min(280px, 70vw);
  border-radius: 50%;
  background: var(--grad-primary);
  color: #050507;
  font-family: var(--font-display);
  font-size: clamp(36px, 8vw, 64px);
  font-weight: 900;
  letter-spacing: 4px;
  border: none;
  cursor: pointer;
  box-shadow: 0 0 60px rgba(0,245,255,0.4),
              inset 0 0 40px rgba(255,255,255,0.2),
              0 16px 48px rgba(0,0,0,0.5);
  transition: transform 0.1s, box-shadow 0.2s;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.wm-tap-btn:active {
  transform: scale(0.92);
  box-shadow: 0 0 80px rgba(0,245,255,0.6),
              inset 0 0 60px rgba(255,255,255,0.4),
              0 8px 24px rgba(0,0,0,0.5);
}

.wm-manual-controls {
  display: flex; gap: 12px; flex-wrap: wrap;
  justify-content: center;
}
.wm-manual-controls .btn { min-width: 120px; }

/* When workout is active, lock body scroll */
body.workout-active { overflow: hidden; }

/* =========================================================
   RESPONSIVE — tablet, large mobile, ultra-wide
   ========================================================= */

/* Tablet (768px - 1024px) */
@media (min-width: 768px) and (max-width: 1024px) {
  .dashboard-wrap { padding: 24px 28px; }
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .welcome-stats { grid-template-columns: repeat(3, 1fr); }
  .form-grid { grid-template-columns: 1fr 1fr; }
  .schedule-grid { gap: 8px; }
  .day-pill { padding: 12px 6px; font-size: 12px; }
}

/* Large desktop */
@media (min-width: 1280px) {
  .dashboard-wrap { padding: 30px; }
  .welcome-panel { padding: 40px 36px; }
  .welcome-name { font-size: 32px; }
  .ex-media { height: 320px; }
  .grid-2 { gap: 24px; }
}

/* Ultra-wide */
@media (min-width: 1600px) {
  .dashboard-wrap { max-width: 1400px; }
}

/* Small mobile (≤ 380px - older Androids) */
@media (max-width: 380px) {
  .entry-card { padding: 28px 22px; }
  .entry-title { font-size: 28px; letter-spacing: 2px; }
  .code-input { font-size: 20px; letter-spacing: 8px; padding: 14px 12px; }
  .dashboard-wrap { padding: 12px 10px; }
  .welcome-panel { padding: 22px 18px; }
  .welcome-name { font-size: 22px; }
  .card { padding: 16px; }
  .section-heading h2 { font-size: 16px; }
  .water-glasses { grid-template-columns: repeat(4, 1fr); }
  .schedule-grid { grid-template-columns: repeat(7, 1fr); gap: 4px; }
  .day-pill { padding: 7px 2px; }
  .day-pill .day-name, .day-pill .day-focus { font-size: 9px; }
  .ex-num { width: 30px; height: 30px; font-size: 11px; }
  .ex-name { font-size: 14px; }
  .ex-meta { font-size: 11px; }
  .ex-media { height: 200px; }
  .meal-tab { min-width: 80px; padding: 8px; font-size: 11px; }
  .badges-row { grid-template-columns: repeat(6, 1fr); gap: 5px; }
  .badge { font-size: 16px; }
  .header-actions { gap: 4px; }
  .icon-btn { width: 32px; height: 32px; font-size: 14px; }
  .streak-pill, .xp-pill { padding: 4px 8px; font-size: 11px; }
  .logo-text { font-size: 14px; letter-spacing: 1px; }
  .logo-mark { width: 32px; height: 32px; }
  .stat-pill { padding: 9px 10px; }
  .stat-pill .label { font-size: 9px; }
  .stat-pill .value { font-size: 16px; }
  .data-controls { flex-direction: column; }
  .data-controls .btn { width: 100%; }
  .meas-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Touch device — larger tap targets */
@media (hover: none) and (pointer: coarse) {
  .btn { min-height: 44px; }
  .icon-btn { min-width: 40px; min-height: 40px; }
  .meal-tab { min-height: 40px; }
  .day-pill { min-height: 44px; }
  .option-card { min-height: 60px; }
  .water-glass { min-height: 40px; }
}

/* Landscape mobile — keep workout-mode usable */
@media (max-height: 500px) and (orientation: landscape) {
  .wm-rep-counter { padding: 14px 26px; }
  .wm-rep-num { font-size: 64px; }
  .wm-rep-label { font-size: 10px; }
  .wm-status { top: calc(50% + 80px); }
  .wm-tap-btn { width: 180px; height: 180px; font-size: 36px; }
  .entry-card { padding: 22px 26px; max-width: 380px; }
  .entry-title { font-size: 26px; margin-bottom: 6px; }
  .entry-subtitle { margin-bottom: 18px; font-size: 13px; }
  #screen-onboarding.active { padding: 16px; }
  .onboard-header { margin-bottom: 16px; }
  .onboard-card { padding: 18px; }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  body::before { animation: none; }
}

/* =========================================================
   TIMER MODE  —  Clean circular timer UI (no camera)
   ========================================================= */

.tm-wrap {
  position: fixed; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: space-between;
  padding: 28px 20px 40px;
  background: radial-gradient(ellipse at center top, rgba(123,44,255,0.25), transparent 60%),
              radial-gradient(ellipse at center bottom, rgba(0,245,255,0.15), transparent 60%),
              #0a0a14;
  z-index: 100;
  overflow: hidden;
}

.tm-close {
  position: absolute; top: 18px; right: 18px;
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: #fff; font-size: 22px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
  z-index: 10;
}
.tm-close:hover { background: rgba(255,45,146,0.3); transform: scale(1.1); }

.tm-header {
  text-align: center;
  margin-top: 8px;
}
.tm-exercise-name {
  font-family: var(--font-display);
  font-size: 32px; font-weight: 900; color: #fff;
  text-shadow: 0 2px 20px rgba(123,44,255,0.6);
  margin-bottom: 6px;
  letter-spacing: 0.5px;
}
.tm-set-indicator {
  display: inline-block;
  padding: 6px 18px;
  background: rgba(0,245,255,0.12);
  border: 1px solid rgba(0,245,255,0.3);
  border-radius: 999px;
  color: var(--neon-cyan);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

/* Big circular timer ring */
.tm-timer-ring {
  position: relative;
  width: min(320px, 80vw);
  height: min(320px, 80vw);
  display: flex; align-items: center; justify-content: center;
  filter: drop-shadow(0 0 40px rgba(123,44,255,0.4));
}
.tm-ring-svg {
  width: 100%; height: 100%;
  transform: rotate(-90deg);
}
.tm-ring-bg {
  fill: none;
  stroke: rgba(255,255,255,0.06);
  stroke-width: 10;
}
.tm-ring-fg {
  fill: none;
  stroke: url(#tmGradient);
  stroke: var(--neon-cyan);
  stroke-width: 12;
  stroke-linecap: round;
  stroke-dasharray: 0 9999;
  transition: stroke-dasharray 0.3s linear;
}

/* Rest phase = magenta ring */
.tm-wrap[data-phase="rest"] .tm-ring-fg { stroke: var(--neon-pink, #ff2d92); }
/* Done phase = green ring */
.tm-wrap[data-phase="done"] .tm-ring-fg { stroke: var(--neon-green, #00ff9f); }

.tm-timer-center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  width: 80%;
}
.tm-timer-label {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 800;
  color: var(--neon-cyan);
  letter-spacing: 3px;
  margin-bottom: 8px;
  text-transform: uppercase;
}
.tm-timer-value {
  font-family: var(--font-display);
  font-size: clamp(56px, 14vw, 80px);
  font-weight: 900;
  color: #fff;
  line-height: 1;
  margin-bottom: 6px;
  font-variant-numeric: tabular-nums;
  text-shadow: 0 2px 30px rgba(0,245,255,0.5);
}
.tm-timer-sub {
  font-size: 14px;
  color: var(--text-3, rgba(255,255,255,0.6));
  font-weight: 600;
}

.tm-status {
  text-align: center;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  padding: 14px 24px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 999px;
  min-height: 20px;
  max-width: 90%;
}

.tm-form-cue {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, 140px) scale(0.8);
  padding: 12px 24px;
  background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
  color: #fff;
  font-weight: 700;
  border-radius: 999px;
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: none;
  box-shadow: 0 10px 40px rgba(123,44,255,0.5);
}
.tm-form-cue.show {
  opacity: 1;
  transform: translate(-50%, 170px) scale(1);
}

.tm-countdown {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: clamp(120px, 30vw, 240px);
  font-weight: 900;
  color: var(--neon-cyan);
  text-shadow: 0 0 80px rgba(0,245,255,0.8), 0 0 40px rgba(123,44,255,0.6);
  pointer-events: none;
  z-index: 20;
  opacity: 0;
}
.tm-countdown.pulse {
  animation: tmCountdownPulse 0.8s ease-in-out;
}
@keyframes tmCountdownPulse {
  0%   { opacity: 0; transform: translate(-50%, -50%) scale(0.5); }
  40%  { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(1.5); }
}

.tm-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 500px;
}
.tm-primary-btn {
  flex: 1;
  padding: 18px 32px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(123,44,255,0.4);
}

/* Mobile polish */
@media (max-width: 480px) {
  .tm-exercise-name { font-size: 24px; }
  .tm-wrap { padding: 20px 16px 24px; }
  .tm-actions { gap: 8px; }
  .tm-actions button { padding: 14px 16px; font-size: 14px; }
}

/* =========================================================
   ANIMATED EXERCISE ILLUSTRATION (in Timer Mode + cards)
   ========================================================= */

/* Timer Mode: premium animated figure above the ring */
.tm-anim-host {
  width: min(320px, 80vw);
  height: 180px;
  margin: 0 0 -8px;
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 15px 50px rgba(0,0,0,0.5);
  filter: drop-shadow(0 8px 30px rgba(123,44,255,0.35));
}
.tm-anim-host svg,
.tm-anim-host .ex-visual {
  width: 100%; height: 100%; display: block;
}

/* Exercise card: premium visual fills the frame */
.ex-media-anim {
  position: relative;
  aspect-ratio: 16/9;
  border-radius: 16px;
  overflow: hidden;
  background: #0a0a14;
}
.ex-media-anim svg,
.ex-media-anim .ex-visual {
  width: 100%; height: 100%; display: block;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  .tm-anim-host svg *, .ex-media-anim svg * {
    animation-duration: 6s !important;
    animation-timing-function: linear !important;
  }
}

@media (max-width: 480px) {
  .tm-anim-host { height: 140px; }
}

/* =========================================================
   SITE-WIDE 3D POLISH
   ========================================================= */

/* Exercise items — true 3D depth on hover (lifts and tilts slightly) */
.exercise-item {
  transform-style: preserve-3d;
  perspective: 1000px;
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1),
              box-shadow 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.exercise-item:hover {
  transform: translateY(-3px) translateZ(0);
  box-shadow:
    0 20px 60px rgba(0,0,0,0.5),
    0 0 60px rgba(123, 44, 255, 0.15);
}

/* Dashboard stat cards — perspective tilt + gradient border */
.stat-card, .card {
  position: relative;
  transform: translateZ(0);
  transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1),
              box-shadow 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.stat-card::after, .card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(123,44,255,0.4), transparent 50%, rgba(0,245,255,0.4));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity 0.25s; pointer-events: none;
}
.stat-card:hover::after, .card:hover::after { opacity: 1; }

/* ============== Animated background nebula (global) ============== */
body::before {
  content: '';
  position: fixed;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background:
    radial-gradient(circle at 20% 30%, rgba(123, 44, 255, 0.12), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(0, 245, 255, 0.1), transparent 40%),
    radial-gradient(circle at 50% 90%, rgba(0, 255, 159, 0.08), transparent 40%);
  pointer-events: none;
  z-index: -1;
  animation: nebula-shift 30s ease-in-out infinite;
}
@keyframes nebula-shift {
  0%,100% { transform: rotate(0deg) scale(1); }
  50%     { transform: rotate(180deg) scale(1.2); }
}

/* ============== App header glow ============== */
.app-header, header, h1 {
  position: relative;
}

/* ============== Buttons — 3D press effect ============== */
.btn-primary, .btn-ai, .btn-secondary, button.btn {
  transform: translateZ(0);
  transition: transform 0.15s cubic-bezier(0.2, 0.8, 0.2, 1),
              box-shadow 0.2s,
              filter 0.2s;
}
.btn-primary:hover, .btn-ai:hover, .btn-secondary:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
  box-shadow: 0 10px 30px rgba(123, 44, 255, 0.4);
}
.btn-primary:active, .btn-ai:active, .btn-secondary:active {
  transform: translateY(1px) scale(0.98);
  transition-duration: 0.05s;
}

/* ============== Ex-num badge — shiny 3D lift on expand ============== */
.exercise-item.open .ex-num {
  transform: rotate(10deg) scale(1.1);
  box-shadow: 0 6px 20px rgba(123, 44, 255, 0.6);
  transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.ex-num {
  transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* ============== Timer Mode — deeper immersion ============== */
.tm-wrap {
  background:
    radial-gradient(circle at 30% 20%, rgba(123, 44, 255, 0.2), transparent 40%),
    radial-gradient(circle at 70% 80%, rgba(0, 245, 255, 0.15), transparent 40%),
    linear-gradient(135deg, #05050e 0%, #0a0a1e 100%);
}

/* Timer ring — glowing pulse */
.tm-timer-ring {
  filter: drop-shadow(0 0 20px rgba(123, 44, 255, 0.5));
  animation: ring-pulse 3s ease-in-out infinite;
}
@keyframes ring-pulse {
  0%,100% { filter: drop-shadow(0 0 15px rgba(123, 44, 255, 0.4)); }
  50%     { filter: drop-shadow(0 0 30px rgba(0, 245, 255, 0.6)); }
}

/* Tab buttons with active state glow */
.tab-btn.active, .tab.active {
  box-shadow: 0 0 20px rgba(123, 44, 255, 0.3);
}

/* ============== Smooth screen swap with 3D ============== */
.screen {
  transform-style: preserve-3d;
}
.screen.active {
  animation: screenFade3D 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}
@keyframes screenFade3D {
  from { opacity: 0; transform: translateY(20px) rotateX(4deg); }
  to   { opacity: 1; transform: translateY(0) rotateX(0); }
}

/* ============== Input focus glow ============== */
input:focus, textarea:focus, select:focus {
  outline: none;
  box-shadow:
    0 0 0 2px rgba(123, 44, 255, 0.3),
    0 0 20px rgba(123, 44, 255, 0.2);
  border-color: rgba(123, 44, 255, 0.5) !important;
}

/* ============== Exercise card gradient border on open ============== */
.exercise-item.open {
  background:
    linear-gradient(rgba(10,10,20,0.95), rgba(10,10,20,0.95)) padding-box,
    linear-gradient(135deg, rgba(123,44,255,0.4), rgba(0,245,255,0.4)) border-box;
  border: 1px solid transparent;
}

/* ============== Accessibility: reduce motion ============== */
@media (prefers-reduced-motion: reduce) {
  .ex-visual-3d-stage, .ex-lottie-player, body::before, .tm-timer-ring {
    animation: none !important;
  }
}

/* =========================================================
   PREMIUM HD PHOTO CARDS — Auto-sizing to image natural ratio
   Card height = image natural height. NO cropping EVER.
   Works for portrait, landscape, square, ultrawide.
   ========================================================= */

.ex-photo-card {
  position: relative;
  width: 100%;
  border-radius: 20px;
  overflow: hidden;
  background: #050510;
  isolation: isolate;
  display: block;
  box-shadow:
    0 15px 50px rgba(0,0,0,0.5),
    inset 0 0 0 1px rgba(255,255,255,0.06);
}

/* Image: full width, natural height — card grows to match */
.ex-photo-img {
  display: block;
  width: 100%;
  height: auto;                         /* respects natural aspect ratio */
  max-height: clamp(350px, 70vh, 150px); /* responsive cap: phone → tablet → desktop */
  object-fit: contain;
  position: relative;
  z-index: 3;
  filter: contrast(1.03) saturate(1.05);
}

/* Color tint — muscle-group accent overlay (subtle, image-first) */
.ex-photo-tint {
  position: absolute;
  inset: 0;
  z-index: 4;
  background:
    radial-gradient(ellipse at top left,
      color-mix(in srgb, var(--g1) 15%, transparent) 0%, transparent 55%),
    radial-gradient(ellipse at bottom right,
      color-mix(in srgb, var(--g2) 13%, transparent) 0%, transparent 55%);
  mix-blend-mode: overlay;
  pointer-events: none;
}

/* Vignette — center bright, edges slightly dark (kept light for clarity) */
.ex-photo-vignette {
  position: absolute;
  inset: 0;
  z-index: 5;
  background:
    radial-gradient(ellipse at center, transparent 55%, rgba(0,0,0,0.28) 100%),
    linear-gradient(to top, rgba(0,0,0,0.28) 0%, transparent 22%);
  pointer-events: none;
}

/* Diagonal shimmer sweep */
.ex-photo-shimmer {
  position: absolute;
  top: 0; left: -60%;
  width: 50%; height: 100%;
  z-index: 6;
  background: linear-gradient(120deg,
    transparent 30%,
    rgba(255,255,255,0.12) 50%,
    transparent 70%);
  animation: shimmerSweep 7s ease-in-out infinite;
  pointer-events: none;
}
@keyframes shimmerSweep {
  0%, 80% { left: -60%; }
  100%    { left: 160%; }
}

/* Bottom-left exercise name chip */
.ex-photo-label {
  position: absolute;
  bottom: 14px;
  left: 14px;
  z-index: 7;
  padding: 7px 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: #fff;
  background: rgba(8, 8, 16, 0.85);
  backdrop-filter: blur(12px) saturate(150%);
  -webkit-backdrop-filter: blur(12px) saturate(150%);
  border: 1px solid color-mix(in srgb, var(--g1) 40%, rgba(255,255,255,0.1));
  border-radius: 999px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.6);
  box-shadow: 0 6px 20px rgba(0,0,0,0.5),
              0 0 20px color-mix(in srgb, var(--g1) 25%, transparent);
  max-width: 65%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Top-right gender icon chip */
.ex-photo-gender {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 7;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 19px;
  font-weight: 700;
  color: #fff;
  background: rgba(8, 8, 16, 0.85);
  backdrop-filter: blur(12px) saturate(150%);
  -webkit-backdrop-filter: blur(12px) saturate(150%);
  border: 1px solid color-mix(in srgb, var(--g2) 50%, rgba(255,255,255,0.15));
  border-radius: 50%;
  box-shadow: 0 4px 15px rgba(0,0,0,0.5),
              0 0 15px color-mix(in srgb, var(--g2) 30%, transparent);
  text-shadow: 0 0 8px color-mix(in srgb, var(--g2) 80%, transparent);
}

/* Glowing futuristic L-bracket corners */
.ex-photo-corner {
  position: absolute;
  width: 24px;
  height: 24px;
  z-index: 7;
  border: 2px solid color-mix(in srgb, var(--g1) 80%, white);
  border-radius: 4px;
  filter: drop-shadow(0 0 8px var(--g1));
  pointer-events: none;
  opacity: 0.85;
  animation: cornerPulse 3s ease-in-out infinite;
}
.ex-photo-corner-tl { top: 10px;    left: 10px;    border-right: none; border-bottom: none; }
.ex-photo-corner-tr { top: 10px;    right: 10px;   border-left: none;  border-bottom: none; animation-delay: 0.75s; }
.ex-photo-corner-bl { bottom: 10px; left: 10px;    border-right: none; border-top: none;    animation-delay: 1.5s; }
.ex-photo-corner-br { bottom: 10px; right: 10px;   border-left: none;  border-top: none;    animation-delay: 2.25s; }
@keyframes cornerPulse {
  0%, 100% { opacity: 0.65; }
  50%      { opacity: 1; }
}

/* Hover state — enhanced glow + image lift */
.exercise-item:hover .ex-photo-card {
  box-shadow:
    0 25px 70px rgba(0,0,0,0.6),
    0 0 60px color-mix(in srgb, var(--g1) 30%, transparent),
    inset 0 0 0 1px color-mix(in srgb, var(--g1) 50%, transparent);
}
.exercise-item:hover .ex-photo-img {
  filter: contrast(1.08) saturate(1.18) brightness(1.05);
}

/* Fallback when image fails to load */
.ex-photo-fallback {
  background:
    radial-gradient(circle at 30% 30%, var(--g1), transparent 60%),
    radial-gradient(circle at 70% 70%, var(--g2), transparent 60%),
    linear-gradient(135deg, #0a0a14, #1a0e2e) !important;
  min-height: 220px;
}
.ex-photo-fallback::before {
  content: '🏋️';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 90px;
  filter: drop-shadow(0 10px 30px rgba(0,0,0,0.6));
  z-index: 1;
  animation: pulseEmoji 2.5s ease-in-out infinite;
}
@keyframes pulseEmoji {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.1); }
}

/* ─── Timer Mode override ───
   Timer host has fixed height — image must fit inside */
.tm-anim-host .ex-photo-card {
  height: 100%;
  border-radius: 22px;
}
.tm-anim-host .ex-photo-img {
  height: 100%;
  width: 100%;
  max-height: none;
  object-fit: contain;
}
.tm-anim-host .ex-photo-label {
  font-size: 10px;
  padding: 5px 13px;
  bottom: 10px;
  left: 10px;
}
.tm-anim-host .ex-photo-gender {
  width: 26px;
  height: 26px;
  font-size: 14px;
  top: 10px;
  right: 10px;
}
.tm-anim-host .ex-photo-corner {
  width: 18px;
  height: 18px;
}

/* ─── Reduce motion ─── */
@media (prefers-reduced-motion: reduce) {
  .ex-photo-shimmer, .ex-photo-corner {
    animation: none !important;
  }
}