@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400;1,600&family=Outfit:wght@400;500;600;700;800;900&display=swap');

:root {
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Outfit', 'Plus Jakarta Sans', -apple-system, sans-serif;
  --color-primary: #15803d;
  --color-primary-dark: #166534;
  --color-primary-light: #22c55e;
  --color-emerald-accent: #10b981;
  --color-slate-dark: #0f172a;
  --color-slate-body: #334155;
  --color-slate-muted: #64748b;
  --color-bg-light: #f8fafc;
  --color-bg-alt: #f1f5f9;
}

html {
  font-family: var(--font-sans);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--color-slate-body);
  background-color: #ffffff;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, .font-heading {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
}

/* Glassmorphism & Modern Cards */
.glass-card {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(226, 232, 240, 0.8);
}

.glass-dark {
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(51, 65, 85, 0.5);
}

.badge-glow {
  box-shadow: 0 0 15px rgba(34, 197, 94, 0.25);
}

.card-hover {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Custom interactive range sliders */
input[type="range"].vitality-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 9999px;
  background: #e2e8f0;
  outline: none;
  transition: background 0.2s;
}

input[type="range"].vitality-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #15803d;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(21, 128, 61, 0.4);
  border: 2px solid #ffffff;
  transition: transform 0.15s ease;
}

input[type="range"].vitality-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

/* Pulse indicator */
.vitality-pulse {
  position: relative;
}
.vitality-pulse::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: inherit;
  border: 2px solid rgba(34, 197, 94, 0.6);
  animation: pulseRing 2s infinite;
}

@keyframes pulseRing {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.1); opacity: 0.2; }
  100% { transform: scale(1.2); opacity: 0; }
}

/* Accordion transition */
.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
  opacity: 0;
}

.accordion-item.active .accordion-content {
  max-height: 600px;
  opacity: 1;
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}

/* Micro-habit checkbox animation */
.habit-checkbox:checked + div {
  background-color: #f0fdf4;
  border-color: #86efac;
}

.habit-checkbox:checked + div .habit-check-icon {
  opacity: 1;
  transform: scale(1);
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* Toast Notification */
#toast-notification {
  transform: translateY(150%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

#toast-notification.show {
  transform: translateY(0);
}