/* ========================================
   FitLife Bulgaria — Component Styles
   ======================================== */

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-full);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-base);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  cursor: pointer;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-glow-primary);
}
.btn-primary:active {
  transform: scale(0.96);
  box-shadow: 0 0 30px var(--primary-glow);
}

.btn-secondary {
  background: var(--bg-glass-strong);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  backdrop-filter: blur(10px);
}
.btn-secondary:active { transform: scale(0.96); }

.btn-success {
  background: var(--gradient-success);
  color: var(--text-inverse);
  box-shadow: var(--shadow-glow-success);
}

.btn-danger {
  background: var(--danger);
  color: white;
}

.btn-ghost {
  background: transparent;
  color: var(--primary-light);
}

.btn-sm {
  padding: var(--space-xs) var(--space-md);
  font-size: var(--fs-sm);
}

.btn-lg {
  padding: var(--space-base) var(--space-2xl);
  font-size: var(--fs-md);
}

.btn-full {
  width: 100%;
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-full);
  background: var(--bg-glass-strong);
  font-size: var(--fs-lg);
}

/* ── Cards ── */
.card {
  background: rgba(17, 24, 39, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-base);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.18);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.card:hover {
  transform: translateY(-2px);
  border-color: rgba(108, 92, 231, 0.3);
}

.card-glow {
  background: rgba(255, 255, 255, 0.05);
  box-shadow: var(--shadow-glow-primary);
  border-color: rgba(108, 92, 231, 0.3);
}

.card-hover:active {
  transform: scale(0.98);
  border-color: var(--border-medium);
}

.card-glass {
  background: var(--bg-glass);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-subtle);
}

/* ── Tags / Chips ── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  background: var(--bg-glass-strong);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.tag-primary {
  background: rgba(108, 92, 231, 0.15);
  color: var(--primary-light);
  border-color: rgba(108, 92, 231, 0.3);
}

.tag-success {
  background: rgba(0, 230, 118, 0.12);
  color: var(--success);
  border-color: rgba(0, 230, 118, 0.25);
}

.tag-warning {
  background: rgba(255, 214, 0, 0.12);
  color: var(--warning);
  border-color: rgba(255, 214, 0, 0.25);
}

.tag-danger {
  background: rgba(255, 82, 82, 0.12);
  color: var(--danger);
  border-color: rgba(255, 82, 82, 0.25);
}

.tag-accent {
  background: rgba(0, 210, 255, 0.12);
  color: var(--accent);
  border-color: rgba(0, 210, 255, 0.25);
}

/* ── Avatar ── */
.avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--fw-bold);
  font-size: var(--fs-base);
  flex-shrink: 0;
  background: var(--gradient-primary);
  color: white;
}

.avatar-sm { width: 32px; height: 32px; font-size: var(--fs-sm); }
.avatar-lg { width: 56px; height: 56px; font-size: var(--fs-xl); }
.avatar-xl { width: 80px; height: 80px; font-size: var(--fs-2xl); }

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ── Badge ── */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: var(--radius-full);
  font-size: 10px;
  font-weight: var(--fw-bold);
  background: var(--danger);
  color: white;
  line-height: 1;
}

.badge-dot {
  width: 8px;
  height: 8px;
  min-width: 8px;
  padding: 0;
  border-radius: 50%;
}

/* ── Progress Bar ── */
.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--bg-glass-strong);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  transition: width var(--transition-slow);
}

.progress-fill-success { background: var(--gradient-success); }
.progress-fill-warning { background: var(--gradient-warm); }

/* ── Stat Card ── */
.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  text-align: center;
}

.stat-value {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: var(--fw-black);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ── Tabs ── */
.tabs {
  display: flex;
  gap: var(--space-xs);
  padding: 3px;
  background: var(--bg-glass);
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  overflow-x: auto;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }

.tab {
  flex: 1;
  min-width: fit-content;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--text-muted);
  transition: all var(--transition-fast);
  text-align: center;
  white-space: nowrap;
}

.tab.active {
  background: var(--gradient-primary);
  color: white;
  font-weight: var(--fw-semibold);
}

/* ── Toggle Switch ── */
.toggle {
  position: relative;
  width: 44px;
  height: 26px;
  cursor: pointer;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.toggle-track {
  position: absolute;
  inset: 0;
  background: var(--bg-glass-strong);
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  transition: var(--transition-base);
}

.toggle input:checked + .toggle-track {
  background: var(--primary);
  border-color: var(--primary);
}

.toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: white;
  transition: var(--transition-spring);
  box-shadow: var(--shadow-sm);
}

.toggle input:checked ~ .toggle-thumb {
  left: 21px;
}

/* ── Modal / Overlay ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: var(--z-overlay);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  animation: fadeIn 0.2s ease;
}

.modal {
  width: 100%;
  max-width: var(--max-width);
  max-height: 85vh;
  background: var(--bg-secondary);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  padding: var(--space-xl) var(--space-base) calc(var(--space-xl) + var(--safe-bottom));
  animation: slideUp 0.3s var(--transition-spring);
  overflow-y: auto;
}

.modal-handle {
  width: 36px;
  height: 4px;
  background: var(--border-medium);
  border-radius: var(--radius-full);
  margin: 0 auto var(--space-lg);
}

/* ── Section ── */
.section {
  margin-bottom: var(--space-xl);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.section-title {
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
}

.section-link {
  font-size: var(--fs-sm);
  color: var(--primary-light);
  font-weight: var(--fw-medium);
}

/* ── Empty State ── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-3xl) var(--space-base);
  text-align: center;
  gap: var(--space-md);
}

.empty-state-icon {
  font-size: 3rem;
  opacity: 0.5;
  animation: float 3s ease-in-out infinite;
}

.empty-state-text {
  color: var(--text-muted);
  font-size: var(--fs-base);
  max-width: 250px;
}

/* ── Divider ── */
.divider {
  height: 1px;
  background: var(--border-subtle);
  margin: var(--space-base) 0;
}

/* ── Flex / Grid utilities ── */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-base { gap: var(--space-base); }
.gap-lg { gap: var(--space-lg); }

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
}

/* ── Horizontal Scroll ── */
.scroll-h {
  display: flex;
  gap: var(--space-md);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  padding-bottom: var(--space-xs);
}
.scroll-h::-webkit-scrollbar { display: none; }
.scroll-h > * { scroll-snap-align: start; flex-shrink: 0; }

/* ── Toast Notification ── */
.toast {
  position: fixed;
  top: calc(var(--safe-top) + 12px);
  left: 50%;
  transform: translateX(-50%);
  max-width: calc(var(--max-width) - 32px);
  width: calc(100% - 32px);
  padding: var(--space-md) var(--space-base);
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  z-index: var(--z-toast);
  animation: slideDown 0.3s ease-out;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  box-shadow: var(--shadow-lg);
}