/* ===================================
   VapeZone - Base Styles & Reset
   =================================== */

/* Modern CSS Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + var(--space-4));
}

body {
  font-family: var(--font-system);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  min-height: 100vh;
  transition: background-color var(--transition-base), color var(--transition-base);
  position: relative;
}

/* Advent Calendar Override */
body.advent-calendar-page {
  background: linear-gradient(180deg, #fff5f5 0%, #ffffff 15%, #ffffff 85%, #fff5f5 100%) !important;
  background-color: #fff5f5 !important;
}

body.advent-calendar-page::before {
  display: none !important;
}

/* Global Emoji Styling (Twemoji) */
img.emoji {
  display: inline-block;
  height: 1em !important;
  width: 1em !important;
  margin: 0 0.05em 0 0.1em;
  vertical-align: -0.1em;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
}

/* Emoji in Headings - kleiner */
h1 img.emoji {
  height: 0.85em !important;
  width: 0.85em !important;
}

h2 img.emoji, h3 img.emoji {
  height: 0.9em !important;
  width: 0.9em !important;
}

/* Emoji in Buttons */
button img.emoji, .btn img.emoji, a.btn img.emoji {
  height: 1em !important;
  width: 1em !important;
  margin: 0 0.3em 0 0;
}

/* Emoji in Listen */
li img.emoji {
  height: 0.95em !important;
  width: 0.95em !important;
}

/* Emoji in Badges */
.badge img.emoji, span.badge img.emoji {
  height: 0.9em !important;
  width: 0.9em !important;
  margin: 0 0.2em 0 0;
}

/* Emoji im Calculator/Footer - normal */
.calc-summary__title img.emoji,
.opening-hours-widget__icon img.emoji {
  height: 1em !important;
  width: 1em !important;
}

/* Smooth Gradient Background Pattern */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  opacity: 1;
  pointer-events: none;
  background: 
    /* Diagonal gradient overlays - neutral warm tones */
    linear-gradient(
      135deg,
      #f8fafc 0%,
      #ffffff 20%,
      #fafafa 50%,
      #f1f5f9 80%,
      #e2e8f0 100%
    ),
    linear-gradient(
      -45deg,
      rgba(164, 214, 94, 0.04) 0%,
      transparent 40%,
      transparent 60%,
      rgba(148, 163, 184, 0.08) 100%
    ),
    /* Radial soft glows - subtle */
    radial-gradient(
      circle at 15% 25%,
      rgba(241, 245, 249, 0.8),
      transparent 35%
    ),
    radial-gradient(
      circle at 85% 75%,
      rgba(164, 214, 94, 0.06),
      transparent 40%
    ),
    radial-gradient(
      ellipse at 50% 0%,
      rgba(226, 232, 240, 0.5),
      transparent 30%
    ),
    radial-gradient(
      ellipse at 50% 100%,
      rgba(203, 213, 225, 0.4),
      transparent 30%
    ),
    var(--color-bg-primary);
}

/* Dark Mode Pattern - Cool, Deep Tones */
[data-theme="dark"] body::before {
  background: 
    /* Diagonal gradient overlays - cool dark tones */
    linear-gradient(
      135deg,
      #1e293b 0%,
      #0f172a 20%,
      #0c1220 50%,
      #1a1f35 80%,
      #1e2a47 100%
    ),
    linear-gradient(
      -45deg,
      rgba(59, 130, 246, 0.12) 0%,
      transparent 35%,
      transparent 65%,
      rgba(139, 92, 246, 0.1) 100%
    ),
    /* Radial glows - blue and purple */
    radial-gradient(
      circle at 15% 25%,
      rgba(59, 130, 246, 0.15),
      transparent 35%
    ),
    radial-gradient(
      circle at 85% 75%,
      rgba(139, 92, 246, 0.12),
      transparent 40%
    ),
    radial-gradient(
      ellipse at 50% 0%,
      rgba(30, 58, 138, 0.15),
      transparent 30%
    ),
    radial-gradient(
      ellipse at 50% 100%,
      rgba(88, 28, 135, 0.12),
      transparent 30%
    ),
    /* Subtle green accent */
    radial-gradient(
      circle at 70% 30%,
      rgba(164, 214, 94, 0.08),
      transparent 25%
    ),
    var(--color-bg-primary);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

h1 { font-size: var(--font-size-5xl); font-weight: var(--font-weight-extrabold); }
h2 { font-size: var(--font-size-4xl); font-weight: var(--font-weight-extrabold); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
  margin-bottom: var(--space-4);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Lists */
ul, ol {
  list-style: none;
}

/* Images */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Icons */
.icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  fill: currentColor;
  vertical-align: middle;
  flex-shrink: 0;
}

svg:not(.icon) {
  display: block;
}

/* Buttons */
button {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Form Elements */
input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: var(--color-text-primary);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(164, 214, 94, 0.1);
}

/* Utility Classes */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.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;
}

/* Smooth Transitions */
* {
  transition-property: background-color, border-color, color, fill, stroke;
  transition-duration: var(--transition-fast);
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Selection */
::selection {
  background-color: var(--color-primary-light);
  color: var(--color-text-primary);
}

/* Scrollbar Styling (Webkit) */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-dark);
}

/* Skip to Content Link */
.skip-to-content {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--space-3) var(--space-4);
  z-index: var(--z-tooltip);
  border-radius: 0 0 var(--radius-md) 0;
  font-weight: var(--font-weight-semibold);
}

.skip-to-content:focus {
  top: 0;
}