/*
  Hatef minimal homepage styles
  - Modern reset
  - CSS variables for theming
  - Dark by default, light via .light
  - Responsive, accessible, small footprint
*/

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body,
h1,
h2,
h3,
h4,
p,
figure,
blockquote,
dl,
dd {
  margin: 0;
}

ul[role="list"],
ol[role="list"] {
  list-style: none;
  padding: 0;
  margin: 0;
}

img,
picture {
  max-width: 100%;
  display: block;
}

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

/* ---------- Theme Variables ---------- */
:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --accent: #0ea5e9;
  --ring: #22d3ee;
  --radius: 14px;
  --space-1: 6px;
  --space-2: 10px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 36px;
  --shadow: 0 8px 30px rgba(2, 6, 23, 0.15);
  --blur: saturate(140%) blur(8px);
  --transition-fast: 160ms cubic-bezier(.2, .8, .2, 1);
  --transition-slow: 260ms cubic-bezier(.2, .8, .2, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0f14;
    --surface: #111827;
    --text: #e5e7eb;
    --muted: #9ca3af;
    --accent: #22d3ee;
    --ring: #22d3ee;
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.45);
  }
}

html.light {
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --accent: #0ea5e9;
  --ring: #0ea5e9;
  --shadow: 0 8px 30px rgba(2, 6, 23, 0.12);
}

/* ---------- Base ---------- */
body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 100dvh;
}

.site-header,
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
}

.logo {
  color: var(--text);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 600;
  font-family: "Vazirmatn FD", "Vazirmatn", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

.theme-toggle {
  background: transparent;
  border: 1px solid color-mix(in oklab, var(--text) 20%, transparent);
  border-radius: 999px;
  padding: 6px 10px;
  cursor: pointer;
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.theme-toggle:hover {
  transform: rotate(10deg);
}

.theme-toggle:focus-visible {
  outline: 3px solid var(--ring);
  outline-offset: 2px;
}

.site-main {
  width: min(880px, 92vw);
  margin-inline: auto;
  padding: var(--space-5) var(--space-4);
  display: grid;
  gap: var(--space-4);
}


.tagline {
  text-align: center;
  font-weight: 650;
  letter-spacing: 0.2px;
  font-size: clamp(1.2rem, 1.2rem + 1vw, 1.8rem);
  color: var(--text);
}

.search-section {
  display: grid;
  gap: var(--space-3);
}

/* Search Results Page Styles */
.search-meta {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.search-info {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.input-wrap {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-2);
  padding: 10px 12px;
  background: color-mix(in oklab, var(--surface) 86%, transparent);
  border: 1px solid color-mix(in oklab, var(--text) 10%, transparent);
  border-radius: var(--radius);
  backdrop-filter: var(--blur);
  box-shadow: var(--shadow);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow), border-color var(--transition-fast);
}

.input-wrap:focus-within {
  transform: translateY(-1px) scale(1.01);
  box-shadow: 0 14px 44px rgba(0, 0, 0, .25);
}

.icon-btn {
  background: transparent;
  border: none;
  color: var(--muted);
  padding: 8px;
  border-radius: 999px;
  cursor: pointer;
  transition: transform var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
}

.icon-btn:hover {
  transform: rotate(10deg);
  color: var(--text);
}

.icon-btn:focus-visible {
  outline: 3px solid var(--ring);
  outline-offset: 2px;
}

.mic-btn[disabled] {
  opacity: .5;
  cursor: not-allowed;
}

input[type="search"] {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  caret-color: var(--accent);
  padding: 10px 2px;
}

input::placeholder {
  color: color-mix(in oklab, var(--muted), transparent 10%);
}

.suggestions {
  margin-top: 8px;
  background: color-mix(in oklab, var(--surface) 94%, transparent);
  border: 1px solid color-mix(in oklab, var(--text) 10%, transparent);
  border-radius: calc(var(--radius) - 6px);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.suggestions[hidden] {
  display: none;
}

.suggestions li {
  padding: 10px 12px;
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.suggestions li[aria-selected="true"],
.suggestions li:hover {
  background: color-mix(in oklab, var(--accent) 12%, var(--surface));
}

.recent {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  border: 1px solid color-mix(in oklab, var(--text) 12%, transparent);
  background: color-mix(in oklab, var(--surface) 90%, transparent);
  color: var(--muted);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: .9rem;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), color var(--transition-fast);
}

.chip:hover {
  transform: translateY(-1px);
  color: var(--text);
  box-shadow: 0 6px 18px rgba(0, 0, 0, .15);
}

.chip:focus-visible {
  outline: 3px solid var(--ring);
  outline-offset: 2px;
}

.site-footer {
  justify-content: center;
  flex-direction: column;
  gap: 6px;
  opacity: .9;
}

.footer-nav {
  display: inline-flex;
  gap: 10px;
  align-items: center;
}

.footer-nav a {
  color: inherit;
  text-decoration: none;
  opacity: .9;
}

.footer-nav a:hover {
  text-decoration: underline;
  opacity: 1;
}

.visually-hidden {
  position: absolute !important;
  height: 1px;
  width: 1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap;
  border: 0;
  padding: 0;
  margin: -1px;
}

@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}

@media (max-width:767px) {
  .search-section {
    display: block;
  }
  
}

@media (min-width: 768px) {


  .site-main {
    place-content: center;
  }

  body {
    grid-template-rows: auto 1fr auto;
  }
}