/* ========================================
   FitLife Bulgaria — Base Styles
   ======================================== */

/* ── CSS Reset ── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: var(--fs-base);
  font-weight: var(--fw-normal);
  line-height: var(--lh-normal);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  background-image: var(--gradient-bg);
  background-attachment: fixed;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  overscroll-behavior: none;
}

/* iPhone notch support */
body {
  padding-left: var(--safe-left);
  padding-right: var(--safe-right);
}

.status-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: var(--z-navbar);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: calc(6px + var(--safe-top)) var(--space-base) 8px;
  background: rgba(10, 14, 26, 0.92);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
  font-size: 0.75rem;
}

.status-bar .status-left,
.status-bar .status-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

#app {
  max-width: var(--max-width);
  margin: 0 auto;
  min-height: 100vh;
  min-height: 100dvh;
  position: relative;
  padding-top: calc(44px + var(--safe-top));
  padding-bottom: calc(var(--navbar-height) + var(--safe-bottom) + 8px);
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  font-size: inherit;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: var(--fs-md);
  color: var(--text-primary);
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-base);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  width: 100%;
}

input:focus, textarea:focus, select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

input::placeholder, textarea::placeholder {
  color: var(--text-muted);
}

img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style: none;
}

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  color: var(--text-primary);
}

h1 { font-size: var(--fs-3xl); }
h2 { font-size: var(--fs-2xl); }
h3 { font-size: var(--fs-xl); }
h4 { font-size: var(--fs-lg); }
h5 { font-size: var(--fs-md); }

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-sm { font-size: var(--fs-sm); }
.text-xs { font-size: var(--fs-xs); }
.text-muted { color: var(--text-secondary); }
.text-center { text-align: center; }

/* ── Page Container ── */
.page {
  padding: var(--space-base);
  animation: pageIn 0.35s ease-out;
  min-height: calc(100vh - var(--navbar-height));
  min-height: calc(100dvh - var(--navbar-height));
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-base) var(--space-lg);
  position: sticky;
  top: calc(44px + var(--safe-top));
  z-index: var(--z-dropdown);
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.page-header h1 {
  font-size: var(--fs-2xl);
}

.page-title-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
  width: 0;
  height: 0;
}

/* ── Animations ── */
@keyframes pageIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@keyframes glow {
  0%, 100% { box-shadow: 0 0 8px var(--primary-glow); }
  50% { box-shadow: 0 0 24px var(--primary-glow); }
}

@keyframes heartBeat {
  0% { transform: scale(1); }
  15% { transform: scale(1.3); }
  30% { transform: scale(1); }
  45% { transform: scale(1.15); }
  60% { transform: scale(1); }
}

@keyframes confetti {
  0% { transform: translateY(0) rotate(0deg); opacity: 1; }
  100% { transform: translateY(-60px) rotate(360deg); opacity: 0; }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes ripple {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* Stagger animation helper */
.stagger-1 { animation-delay: 0.05s; }
.stagger-2 { animation-delay: 0.1s; }
.stagger-3 { animation-delay: 0.15s; }
.stagger-4 { animation-delay: 0.2s; }
.stagger-5 { animation-delay: 0.25s; }
.stagger-6 { animation-delay: 0.3s; }

/* Utility: hide */
.hidden { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* Skeleton loading */
.skeleton {
  background: linear-gradient(90deg, var(--bg-glass) 25%, var(--bg-glass-strong) 50%, var(--bg-glass) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}