/* ===================================================================
   General View On This — Design System Foundation (main.css)
   Premium, community-focused design system
   Inspired by Nextdoor, Airbnb, Linear
   =================================================================== */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&family=Playfair+Display:wght@400;700&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Surface & Background */
  --color-bg: #FAFAF7;
  --color-surface: #FFFFFF;
  --color-surface-2: #F2EFE9;
  --color-border: #E8E3DA;

  /* Text */
  --color-text-primary: #1A1714;
  --color-text-secondary: #6B6560;
  --color-text-muted: #9E9890;

  /* Accent */
  --color-accent: #E8622A;
  --color-accent-hover: #D45520;
  --color-accent-light: #FDF0EB;

  /* Semantic Colors */
  --color-green: #2D7A4F;
  --color-green-light: #EBF5F0;
  --color-blue: #2B5EA7;
  --color-blue-light: #EBF0FA;
  --color-yellow: #D4A017;
  --color-red: #C0392B;

  /* Dark Palette */
  --color-dark: #111827;
  --color-dark-2: #1F2937;
  --color-dark-3: #374151;

  /* Gradients */
  --gradient-warm: linear-gradient(135deg, #E8622A 0%, #F59E0B 100%);
  --gradient-cool: linear-gradient(135deg, #2B5EA7 0%, #7C3AED 100%);
  --gradient-fresh: linear-gradient(135deg, #2D7A4F 0%, #10B981 100%);

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.10);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
  --shadow-colored: 0 4px 14px rgba(232, 98, 42, 0.15);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Typography */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
  font-size: 16px;
  hanging-punctuation: first last;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

ul,
ol {
  list-style: none;
}

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

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

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

fieldset {
  border: none;
}

h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
  text-wrap: balance;
}

p {
  overflow-wrap: break-word;
  text-wrap: pretty;
}

/* Remove default search input appearance */
input[type="search"]::-webkit-search-decoration,
input[type="search"]::-webkit-search-cancel-button {
  -webkit-appearance: none;
}

/* Remove number input spinners */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="number"] {
  -moz-appearance: textfield;
}

/* --- Base Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-text-primary);
}

h1 {
  font-size: 2.75rem;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2.125rem;
  line-height: 1.2;
  letter-spacing: -0.015em;
}

h3 {
  font-size: 1.625rem;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

h4 {
  font-size: 1.3rem;
  line-height: 1.3;
}

h5 {
  font-size: 1.1rem;
  line-height: 1.35;
}

h6 {
  font-size: 0.95rem;
  line-height: 1.4;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

code,
pre,
kbd {
  font-family: var(--font-mono);
}

small {
  font-size: 0.8125rem;
  letter-spacing: 0.015em;
}

strong {
  font-weight: 600;
}

/* --- Selection Highlight --- */
::selection {
  background-color: var(--color-accent);
  color: #FFFFFF;
}

::-moz-selection {
  background-color: var(--color-accent);
  color: #FFFFFF;
}

/* --- Scrollbar Styling --- */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 3px;
  transition: background var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

/* Firefox scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}

/* --- Focus Styles --- */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}

/* Enhanced focus ring for interactive elements */
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(232, 98, 42, 0.12);
}

/* --- Animations --- */

/* Fade In Up */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.5s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.fade-in-up-delay-1 {
  animation: fadeInUp 0.5s cubic-bezier(0.22, 1, 0.36, 1) 0.1s both;
}

.fade-in-up-delay-2 {
  animation: fadeInUp 0.5s cubic-bezier(0.22, 1, 0.36, 1) 0.2s both;
}

.fade-in-up-delay-3 {
  animation: fadeInUp 0.5s cubic-bezier(0.22, 1, 0.36, 1) 0.3s both;
}

.fade-in-up-delay-4 {
  animation: fadeInUp 0.5s cubic-bezier(0.22, 1, 0.36, 1) 0.4s both;
}

/* Fade In */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.fade-in {
  animation: fadeIn 0.4s ease-out both;
}

/* Slide In Right */
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(24px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in-right {
  animation: slideInRight 0.5s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* Slide In Left */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-24px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in-left {
  animation: slideInLeft 0.5s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* Scale In */
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.scale-in {
  animation: scaleIn 0.35s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* Pulse */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.6;
  }
}

.pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Float */
@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

.float {
  animation: float 3.5s ease-in-out infinite;
}

/* Shimmer — for skeleton loaders */
@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

.shimmer {
  background: linear-gradient(90deg,
    var(--color-surface-2) 25%,
    var(--color-surface) 37%,
    var(--color-surface-2) 63%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}

/* Spin Animation (for loaders) */
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.spin {
  animation: spin 0.8s linear infinite;
}

/* --- Noise Texture Overlay --- */
.texture-bg {
  position: relative;
}

.texture-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.035;
  pointer-events: none;
  z-index: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n' x='0' y='0'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 128px 128px;
}

/* --- Visually Hidden (for accessibility) --- */
.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;
}

/* --- 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;
  }
}