/* ============================================================
   Weather Dashboard — Illia Hudz
   Shares the portfolio's design language (tokens, fonts, theme)
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  color-scheme: light;
  --bg:        #ffffff;
  --bg-soft:   #f5f7fa;
  --ink:       #16181a;
  --ink-soft:  #4d5358;
  --ink-faint: #868d92;
  --accent:    #4A6FA5;
  --accent-soft:#e7edf5;
  --on-accent: #ffffff;
  --line:      #e6e8ec;
  --danger:    #c0463b;

  --display: "Playfair Display", Georgia, serif;
  --sans:    "DM Sans", system-ui, sans-serif;

  --maxw: 820px;
  --pad: clamp(1.25rem, 5vw, 3rem);
}

/* ---------- Dark theme ---------- */
[data-theme="dark"] {
  color-scheme: dark;
  --bg:        #14161a;
  --bg-soft:   #1d2026;
  --ink:       #f1f2f4;
  --ink-soft:  #b4b9c0;
  --ink-faint: #7e848c;
  --accent:    #8aa9de;
  --accent-soft:#232b3a;
  --on-accent: #11141a;
  --line:      #2a2e37;
  --danger:    #e08178;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; min-height: 100vh;
  background: var(--bg); color: var(--ink);
  font-family: var(--sans); font-weight: 400;
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  line-height: 1.7; letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  display: flex; flex-direction: column;
  transition: background-color .3s ease, color .3s ease;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
::selection { background: var(--accent); color: var(--on-accent); }

/* ---------- Layout ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding-inline: var(--pad); }
.app { flex: 1; padding-bottom: 4rem; }

/* ---------- Nav ---------- */
header.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease, background .3s ease;
}
header.nav.scrolled { border-bottom-color: var(--line); }
.nav-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 1rem var(--pad);
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.brand { font-family: var(--display); font-size: 1.2rem; font-weight: 700; letter-spacing: -0.01em; }
.brand span { color: var(--accent); }
.nav-right { display: flex; align-items: center; gap: 1.25rem; }

.back-link {
  display: inline-flex; align-items: center; gap: 0.35rem;
  font-size: 0.9rem; font-weight: 500; color: var(--ink-soft);
  transition: color .2s ease, transform .2s ease;
}
.back-link svg { width: 17px; height: 17px; }
.back-link:hover { color: var(--accent); transform: translateX(-2px); }

/* Theme toggle */
.theme-toggle {
  display: inline-grid; place-items: center;
  width: 38px; height: 38px; flex: none;
  border: 1px solid var(--line); border-radius: 999px;
  background: transparent; color: var(--ink-soft); cursor: pointer;
  transition: color .2s ease, border-color .2s ease, transform .2s ease;
}
.theme-toggle:hover { color: var(--accent); border-color: var(--accent); transform: translateY(-1px); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* Language toggle */
.lang-toggle {
  height: 38px; padding: 0 0.85rem; flex: none;
  border: 1px solid var(--line); border-radius: 999px;
  background: transparent; color: var(--ink-soft); cursor: pointer;
  font-family: var(--sans); font-size: 0.78rem; font-weight: 600; letter-spacing: 0.06em;
  transition: color .2s ease, border-color .2s ease, transform .2s ease;
}
.lang-toggle:hover { color: var(--accent); border-color: var(--accent); transform: translateY(-1px); }

/* ---------- App header ---------- */
.app-head { padding-block: clamp(2.5rem, 8vw, 4rem) clamp(1.5rem, 4vw, 2.25rem); }
.eyebrow {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--accent); margin: 0 0 1rem;
}
.app-head h1 {
  font-family: var(--display); font-weight: 600; line-height: 1.12; letter-spacing: -0.01em;
  font-size: clamp(2.25rem, 1.5rem + 3vw, 3.25rem); margin: 0;
}
.lead { color: var(--ink-soft); max-width: 54ch; margin: 1rem 0 0; }
.inline-link { color: var(--accent); border-bottom: 1px solid var(--line); transition: border-color .2s ease; }
.inline-link:hover { border-color: var(--accent); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.9rem; font-weight: 500; letter-spacing: 0.01em;
  padding: 0.7rem 1.25rem; border: 1px solid var(--line); border-radius: 3px;
  color: var(--ink); background: transparent; cursor: pointer; white-space: nowrap;
  transition: border-color .2s ease, color .2s ease, background .2s ease, transform .2s ease;
}
.btn:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }
.btn--solid { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.btn--solid:hover { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn svg { width: 16px; height: 16px; }
.btn:disabled { opacity: .55; cursor: progress; transform: none; }

/* ---------- Search ---------- */
.search-form { display: flex; gap: 0.6rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.search-box { position: relative; flex: 1; min-width: 200px; }
.search-box svg {
  position: absolute; left: 1rem; top: 50%; transform: translateY(-50%);
  width: 18px; height: 18px; color: var(--ink-faint); pointer-events: none;
}
.search-box input {
  width: 100%; font-family: var(--sans); font-size: 1rem; color: var(--ink);
  padding: 0.85rem 1rem 0.85rem 2.85rem; border: 1px solid var(--line); border-radius: 4px;
  background: var(--bg); transition: border-color .2s ease, box-shadow .2s ease;
}
.search-box input::placeholder { color: var(--ink-faint); }
.search-box input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

/* ---------- Status ---------- */
.status { margin: 0 0 1.5rem; font-size: 0.95rem; color: var(--ink-soft); }
.status.error { color: var(--danger); }
.status.loading::after { content: ""; display: inline-block; width: 1em; animation: dots 1.2s steps(4, end) infinite; }
@keyframes dots { 0% { content: ""; } 25% { content: "."; } 50% { content: ".."; } 75% { content: "..."; } }

/* ---------- Weather layout ---------- */
.weather { display: grid; gap: 1.25rem; animation: fadeIn .4s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
[hidden] { display: none !important; }

/* Current card */
.current-card {
  border: 1px solid var(--line); border-radius: 10px; background: var(--bg-soft);
  padding: clamp(1.5rem, 4vw, 2.25rem);
  display: grid; gap: 1.5rem;
  grid-template-columns: 1fr;
}
@media (min-width: 620px) {
  .current-card { grid-template-columns: 1.2fr 1fr; align-items: center; }
  .cur-stats { grid-column: 1 / -1; }
}
.current-top { display: flex; align-items: center; gap: 1.1rem; }
.cur-icon { flex: none; width: 76px; height: 76px; color: var(--accent); }
.cur-icon svg { width: 100%; height: 100%; }
.cur-temp { font-family: var(--display); font-weight: 600; font-size: clamp(3rem, 2rem + 6vw, 4.5rem); line-height: 1; }
.cur-temp .deg { font-size: 0.4em; color: var(--ink-faint); margin-left: 0.1em; vertical-align: super; }
.cur-desc { margin: 0.35rem 0 0; color: var(--ink-soft); font-size: 1.05rem; }
.cur-place { text-align: left; }
@media (min-width: 620px) { .cur-place { text-align: right; } }
.place { font-family: var(--display); font-weight: 600; font-size: 1.4rem; margin: 0; line-height: 1.2; }
.local-time { margin: 0.35rem 0 0; color: var(--ink-faint); font-size: 0.9rem; }

.cur-stats {
  list-style: none; margin: 0; padding: 1.25rem 0 0; border-top: 1px solid var(--line);
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; text-align: center;
}
.cur-stats .k { display: block; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-faint); }
.cur-stats .v { display: block; margin-top: 0.3rem; font-size: 1.1rem; font-weight: 500; }

/* Forecast card */
.forecast-card { border: 1px solid var(--line); border-radius: 10px; background: var(--bg); padding: clamp(1.25rem, 4vw, 2rem); }
.card-title { font-family: var(--display); font-weight: 600; font-size: 1.25rem; margin: 0 0 1.25rem; }
.chart { width: 100%; margin-bottom: 1.25rem; }
.chart svg { width: 100%; height: auto; display: block; overflow: visible; }
.chart .grid-line { stroke: var(--line); }
.chart .line-max { fill: none; stroke: var(--accent); stroke-width: 2.5; stroke-linejoin: round; stroke-linecap: round; }
.chart .line-min { fill: none; stroke: var(--ink-faint); stroke-width: 2; stroke-dasharray: 4 4; stroke-linejoin: round; stroke-linecap: round; }
.chart .dot-max { fill: var(--accent); }
.chart .dot-min { fill: var(--ink-faint); }
.chart .lbl { fill: var(--ink-soft); font-size: 11px; font-family: var(--sans); }
.chart .lbl-max { fill: var(--ink); font-weight: 600; }

.days { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(82px, 1fr)); gap: 0.6rem; }
.day {
  border: 1px solid var(--line); border-radius: 8px; padding: 0.85rem 0.5rem; text-align: center;
  display: grid; gap: 0.4rem; justify-items: center;
  transition: border-color .2s ease, transform .2s ease;
}
.day:hover { border-color: var(--accent); transform: translateY(-2px); }
.day .dow { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; color: var(--ink-faint); }
.day .day-icon { width: 30px; height: 30px; color: var(--accent); }
.day .day-icon svg { width: 100%; height: 100%; }
.day .temps { font-size: 0.9rem; }
.day .temps .hi { font-weight: 600; }
.day .temps .lo { color: var(--ink-faint); margin-left: 0.35rem; }

/* ---------- Footer ---------- */
footer.foot {
  border-top: 1px solid var(--line); padding-block: 2rem;
  font-size: 0.8rem; color: var(--ink-faint); letter-spacing: 0.02em;
  display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; justify-content: space-between;
}

@media (prefers-reduced-motion: reduce) {
  .weather { animation: none; }
  .btn:hover, .theme-toggle:hover, .lang-toggle:hover, .back-link:hover, .day:hover { transform: none; }
  body { transition: none; }
  .status.loading::after { animation: none; content: "…"; }
}