/* =====================================================
   WorkMyButtOff v3 — Premium Glassmorphism + Apple-like Theme
   Deep dark sporty aesthetic with frosted glass, cinematic feel
   ===================================================== */

:root,
.theme-cyan {
  --bg-primary: #050505;
  --bg-secondary: #0a0a0a;
  --glass-bg: rgba(255, 255, 255, 0.07);
  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-highlight: rgba(255, 255, 255, 0.55);
  --text-primary: #f1f1f1;
  --text-secondary: #a1a1aa;
  --accent: #67f6ff;
  --accent-cyan: #67f6ff;
  --accent-red: #ff3b5c;
  --accent-glow: rgba(103, 246, 255, 0.3);
  --accent-glow-cyan: rgba(103, 246, 255, 0.3);
  --accent-glow-red: rgba(255, 59, 92, 0.35);
  --accent-soft: rgba(103, 246, 255, 0.15);
  --radius-3xl: 1.5rem;
  --transition-spring: cubic-bezier(0.23, 1.0, 0.32, 1);
}

.theme-red {
  --accent: #ff3b5c;
  --accent-cyan: #ff3b5c; /* keep legacy name working as active accent */
  --accent-glow: rgba(255, 59, 92, 0.35);
  --accent-glow-cyan: rgba(255, 59, 92, 0.35);
  --accent-soft: rgba(255, 59, 92, 0.15);
}

/* Semantic accent helpers (theme-aware) */
.text-accent { color: var(--accent) !important; }
.bg-accent-soft { background-color: var(--accent-soft) !important; }
.border-accent { border-color: var(--accent) !important; }
.ring-accent { --tw-ring-color: var(--accent); }

input[type="range"] {
  accent-color: var(--accent);
}

/* Base */
html, body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, .display {
  font-feature-settings: "tnum";
  letter-spacing: -0.025em;
}

/* Glassmorphism Core */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.25),
    inset 0 -1px 0 rgba(255, 255, 255, 0.06);
  position: relative;
  overflow: hidden;
  transition: all 0.2s var(--transition-spring);
}

.glass::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--glass-highlight), transparent);
  pointer-events: none;
}

.glass-card {
  @apply rounded-3xl p-6 md:p-8;
}

/* Glass Buttons */
.glass-button {
  background: rgba(255, 255, 255, 0.09);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  transition: all 0.2s var(--transition-spring);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.glass-button:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.32);
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.glass-button:active {
  transform: scale(0.985);
}

/* Theme Accents */
.glass-button:hover {
  box-shadow: 0 0 0 1px var(--accent-glow), 0 10px 20px rgba(0,0,0,0.2);
}

/* Nav active state (replaces hardcoded cyan Tailwind classes) */
.nav-link-active {
  color: var(--accent) !important;
  font-weight: 600;
}

/* Premium Typography */
.display {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.stat-number {
  font-feature-settings: "tnum";
  font-variant-numeric: tabular-nums;
}

/* Parallax Hero */
.parallax-hero {
  position: relative;
  overflow: hidden;
  min-height: 520px;
  display: flex;
  align-items: center;
}

.parallax-layer {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  will-change: transform;
  transition: transform 0.1s linear;
}

.parallax-layer-1 { z-index: 1; }
.parallax-layer-2 { z-index: 2; opacity: 0.85; }

/* Exercise Cards with Photography */
.exercise-card {
  transition: transform 0.2s var(--transition-spring), 
              box-shadow 0.2s var(--transition-spring);
  overflow: hidden;
}

.exercise-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

.exercise-card .photo {
  transition: transform 0.4s var(--transition-spring);
}

.exercise-card:hover .photo {
  transform: scale(1.06);
}

/* Chart containers */
.chart-container {
  position: relative;
}

/* Mobile Bottom Nav Glass */
.bottom-nav {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255,255,255,0.08);
}

/* Toast */
.toast {
  animation: toast-pop 0.2s var(--transition-spring) backwards;
}

@keyframes toast-pop {
  from { opacity: 0; transform: translateY(10px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Smooth number animation */
.volume-display {
  font-feature-settings: "tnum";
  transition: all 0.15s ease-out;
}

/* Responsive tweaks */
@media (max-width: 768px) {
  .glass-card {
    padding: 1.25rem;
  }
  .parallax-hero {
    min-height: 380px;
  }
}

/* Focus states (Apple-like) */
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}