/* Fonte de bandeiras de país (Twemoji).
 * O Windows não renderiza emojis de bandeira por padrão — o Segoe UI Emoji
 * tem os caracteres regionais (U+1F1E6-1F1FF) só como letras soltas, não
 * combinadas em bandeira. Este @font-face com unicode-range traz os glifos
 * de bandeira (~76KB woff2). É baixado sob demanda quando a página renderiza
 * algum caractere de bandeira.
 */
@font-face {
  font-family: "Twemoji Country Flags";
  unicode-range: U+1F1E6-1F1FF, U+1F3F4, U+E0062-E0063, U+E0065, U+E0067,
    U+E006C, U+E006E, U+E0073-E0074, U+E0077, U+E007F;
  src: url("https://cdn.jsdelivr.net/npm/country-flag-emoji-polyfill@0.1/dist/TwemojiCountryFlags.woff2") format("woff2");
  font-display: swap;
}

:root {
  --bg-1: #0b1d3a;
  --bg-2: #1f4f8b;
  --bg-3: #5aa8e6;
  --surface: rgba(255, 255, 255, 0.08);
  --surface-strong: rgba(255, 255, 255, 0.14);
  --border: rgba(255, 255, 255, 0.18);
  --text: #f4f7fb;
  --text-dim: rgba(244, 247, 251, 0.7);
  --accent: #ffd166;
  --danger: #ff6b6b;
  --radius-lg: 18px;
  --radius-md: 12px;
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.25);
  --shadow-soft: 0 4px 14px rgba(0, 0, 0, 0.18);
  --maxw: 1100px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  /* "Twemoji Country Flags" precisa vir antes do Segoe UI: o Segoe UI Emoji do
   * Windows tem glifos pros caracteres regionais (U+1F1E6-1F1FF) — só que como
   * letras isoladas, não como bandeira combinada. Sem essa ordem, o browser
   * acha que o Segoe já cobre e nem cai no fallback.
   */
  font-family: "Twemoji Country Flags", "Inter", "Segoe UI", system-ui,
    -apple-system, BlinkMacSystemFont, "Apple Color Emoji", "Segoe UI Emoji",
    "Segoe UI Symbol", "Noto Color Emoji", sans-serif;
  color: var(--text);
  background: linear-gradient(160deg, var(--bg-1) 0%, var(--bg-2) 50%, var(--bg-3) 100%);
  background-attachment: fixed;
  line-height: 1.5;
}

a {
  color: var(--accent);
}

button,
input {
  font: inherit;
}

.muted {
  color: var(--text-dim);
  margin: 0;
}

/* hero */
.hero {
  padding: 56px 20px 28px;
}

.hero-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  text-align: center;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.brand h1 {
  margin: 0;
  font-size: clamp(2.5rem, 6vw, 4rem);
  letter-spacing: -0.03em;
  font-weight: 700;
}

.brand-icon {
  font-size: clamp(2.5rem, 6vw, 4rem);
}

.brand-tag {
  color: var(--text-dim);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.hero-sub {
  max-width: 720px;
  margin: 18px auto 32px;
  color: var(--text-dim);
}

/* search */
.search {
  position: relative;
  display: flex;
  gap: 8px;
  max-width: 560px;
  margin: 0 auto;
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px;
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-soft);
}

.search input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  padding: 12px 18px;
  font-size: 1rem;
}

.search input::placeholder {
  color: rgba(244, 247, 251, 0.55);
}

.search button {
  background: var(--accent);
  color: #1a1a1a;
  border: none;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.1s ease;
}

.search button:hover {
  transform: translateY(-1px);
}

.search-results {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: rgba(11, 29, 58, 0.96);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  max-height: 320px;
  overflow-y: auto;
  text-align: left;
  z-index: 10;
}

.search-results button {
  width: 100%;
  background: transparent;
  border: none;
  color: var(--text);
  padding: 10px 16px;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.search-results button:hover {
  background: var(--surface);
}

.search-results button:last-child {
  border-bottom: none;
}

.search-results .meta {
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* sections */
main {
  padding: 0 20px 80px;
}

.section {
  max-width: var(--maxw);
  margin: 48px auto 0;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(1.4rem, 2.5vw, 1.8rem);
}

.ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
}

.ghost:hover {
  background: var(--surface);
}

/* grids */
.weather-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}

.countries-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
}

/* cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.12s ease, border-color 0.12s ease;
  text-align: left;
  color: inherit;
  font: inherit;
  display: flex;
  flex-direction: column;
  gap: 6px;
  box-shadow: var(--shadow-soft);
  width: 100%;
}

.card:hover {
  transform: translateY(-2px);
  background: var(--surface-strong);
  border-color: rgba(255, 255, 255, 0.3);
}

.card .top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.card .city-name {
  font-size: 1.05rem;
  font-weight: 600;
}

.card .country {
  color: var(--text-dim);
  font-size: 0.85rem;
}

.card .temp {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card .temp .icon {
  font-size: 2.2rem;
}

.card .desc {
  color: var(--text-dim);
  font-size: 0.9rem;
}

.card .meta-row {
  display: flex;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: 4px;
  flex-wrap: wrap;
}

.country-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
}

.country-card .flag {
  font-size: 1.8rem;
}

.country-card .name {
  font-weight: 600;
}

.country-card .count {
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* placeholders & errors */
.placeholder,
.error {
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  color: var(--text-dim);
  grid-column: 1 / -1;
}

.error {
  border-color: rgba(255, 107, 107, 0.6);
  color: #ffb3b3;
}

/* detail */
.detail {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
}

.detail h2 {
  margin: 0 0 4px;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.detail .subtitle {
  color: var(--text-dim);
  margin: 0 0 24px;
}

.current-block {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.current-block .big-temp {
  font-size: 4rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}

.current-block .big-icon {
  font-size: 4rem;
}

.current-block .description {
  font-size: 1.2rem;
  color: var(--text-dim);
}

.current-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.current-meta .item {
  background: rgba(0, 0, 0, 0.18);
  padding: 12px 14px;
  border-radius: var(--radius-md);
}

.current-meta .label {
  color: var(--text-dim);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.current-meta .value {
  font-size: 1.2rem;
  font-weight: 600;
}

.daily {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 8px;
}

.day {
  background: rgba(0, 0, 0, 0.16);
  border-radius: var(--radius-md);
  padding: 12px;
  text-align: center;
}

.day .day-label {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.day .day-icon {
  font-size: 1.6rem;
}

.day .range {
  font-weight: 600;
  margin-top: 4px;
}

.day .range .min {
  color: var(--text-dim);
  margin-left: 4px;
  font-weight: 500;
}

.detail-actions {
  margin-top: 18px;
}

footer {
  text-align: center;
  color: var(--text-dim);
  padding: 24px 16px 36px;
  font-size: 0.9rem;
}

footer a {
  color: var(--accent);
}

@media (max-width: 540px) {
  .hero {
    padding: 36px 16px 24px;
  }

  .search {
    padding: 4px;
  }

  .search input {
    padding: 10px 14px;
  }
}