@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');
@tailwind base;
@tailwind components;
@tailwind utilities;

:root {
  --bg: #090912;
  --card-bg: rgba(255, 255, 255, 0.04);
  --card-border: rgba(255, 255, 255, 0.08);
  --text-primary: rgba(255, 255, 255, 0.95);
  --text-secondary: rgba(255, 255, 255, 0.45);
  --accent: #6366f1;
  --accent-2: #8b5cf6;
}

.light {
  --bg: #f0f0f8;
  --card-bg: rgba(255, 255, 255, 0.75);
  --card-border: rgba(0, 0, 0, 0.07);
  --text-primary: rgba(15, 15, 30, 0.95);
  --text-secondary: rgba(15, 15, 30, 0.45);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

body {
  background-color: var(--bg);
  color: var(--text-primary);
  font-family: 'Inter', system-ui, sans-serif;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Glassmorphism card */
.glass-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 24px;
  transition: background 0.3s ease, border-color 0.3s ease;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 4px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(99, 102, 241, 0.35);
  border-radius: 2px;
}

/* Big toggle switch (60×32) */
.toggle-track {
  position: relative;
  width: 60px;
  height: 32px;
  border-radius: 16px;
  cursor: pointer;
  transition: background-color 0.3s ease;
  flex-shrink: 0;
}

.toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: white;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.toggle-on .toggle-thumb {
  transform: translateX(28px);
}

/* Custom range slider */
input[type='range'] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.1);
  outline: none;
  cursor: pointer;
}

.light input[type='range'] {
  background: rgba(0, 0, 0, 0.1);
}

input[type='range']::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #f59e0b;
  cursor: pointer;
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.7);
  transition: transform 0.15s ease;
}

input[type='range']::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

input[type='range']::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #f59e0b;
  cursor: pointer;
  border: none;
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.7);
}

/* Ambient orbs */
.orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

/* No select on interactive elements in tablet mode */
.no-select {
  -webkit-user-select: none;
  user-select: none;
}

/* Progress bar */
.progress-bar {
  height: 10px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.07);
  overflow: hidden;
}

.light .progress-bar {
  background: rgba(0, 0, 0, 0.07);
}

.progress-fill {
  height: 100%;
  border-radius: 5px;
  background: linear-gradient(90deg, #6366f1, #8b5cf6);
  transition: width 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Glow effects */
.glow-amber {
  box-shadow: 0 0 24px rgba(245, 158, 11, 0.4);
}

.glow-blue {
  box-shadow: 0 0 24px rgba(59, 130, 246, 0.4);
}

.glow-green {
  box-shadow: 0 0 24px rgba(16, 185, 129, 0.4);
}

.glow-purple {
  box-shadow: 0 0 24px rgba(139, 92, 246, 0.4);
}

/* Modal backdrop */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(10px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Spin animation for air purifier */
@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.spin-slow {
  animation: spin-slow 4s linear infinite;
}

/* Orb animations */
@keyframes orbMove1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(40px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.97); }
}
@keyframes orbMove2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-50px, 30px) scale(1.08); }
  66% { transform: translate(30px, -20px) scale(0.95); }
}
@keyframes orbMove3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(20px, 40px) scale(1.04); }
}
@keyframes orbMove4 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-30px, -20px) scale(1.06); }
}

/* Hide scrollbar but allow scrolling */
.no-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.no-scrollbar::-webkit-scrollbar {
  display: none;
}

/* Safe area support for tablets/mobile */
@supports (padding: max(0px)) {
  body {
    padding-bottom: env(safe-area-inset-bottom, 0px);
  }
}

/* Ensure 100dvh works properly */
.h-dvh {
  height: 100dvh;
  height: 100svh;
}