/*
  Weather App styles — red theme, accessible contrast, responsive, dark/light modes.
  Color tokens are defined as CSS variables for easy theming.
*/
:root {
  /* Soft red for light mode */
  --brand: #e44b3a; /* softer red */
  --brand-600: #e44b3a;
  --brand-700: #d23b2a;
  --brand-800: #b83022;

  --bg: #ffffff;
  --text: #111111;
  --muted: #555555;
  --card: #ffffff;
  --border: #e6e6e6;
  --elev: 8px;

  --accent: var(--brand-600);
  --link: #0b57d0;
}

/* Dark mode overrides */
html[data-theme="dark"] {
  --bg: #0f1012;
  --text: #f5f7fa;
  --muted: #c5c8ce;
  --card: #17191d;
  --border: #2a2e36;
  /* Deeper red in dark mode for better contrast */
  --brand-600: #d93025;
  --brand-700: #c5221f;
  --brand-800: #b31412;
  --accent: var(--brand-600);
  --link: #7ab4ff;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, Noto Sans, "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

/* App chrome */
.app-header {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(0deg, rgba(0,0,0,0.0), rgba(0,0,0,0.0)), var(--card);
  backdrop-filter: saturate(120%) blur(6px);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand .logo { font-size: 20px; }
.brand h1 { margin: 0; font-size: 18px; font-weight: 700; letter-spacing: 0.3px; }

.header-controls { display: flex; align-items: center; gap: 10px; }

/* Refresh button (subtle) */
.ghost-btn { appearance: none; border: 1px solid var(--border); background: var(--card); color: var(--text);
  padding: 8px 12px; border-radius: 999px; cursor: pointer; font-weight: 600; }
.ghost-btn:hover { border-color: var(--accent); background: color-mix(in oklab, var(--accent) 6%, var(--card)); }

.theme-toggle {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 12px; border-radius: 999px; border: 1px solid var(--border);
  background: var(--card); color: var(--text);
  cursor: pointer; user-select: none;
}
.theme-toggle:hover { border-color: var(--accent); }
.theme-toggle .toggle-icon { font-size: 16px; }
.theme-toggle .toggle-text { font-size: 14px; }

.container { max-width: 980px; margin: 0 auto; padding: 20px 16px 40px; }

/* Unit toggle */
.unit-toggle { display: inline-flex; padding: 3px; border-radius: 999px; background: var(--card); border: 1px solid var(--border); }
.pill { appearance: none; border: 0; margin: 0; padding: 8px 10px; border-radius: 999px; cursor: pointer; background: transparent; color: var(--text); font-weight: 600; }
.pill.active { background: var(--accent); color: #fff; }
.pill:not(.active):hover { background: color-mix(in oklab, var(--accent) 10%, transparent); }

/* Search */
.search { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
.input {
  width: 100%; padding: 12px 14px; border-radius: 12px;
  border: 1px solid var(--border); outline: none;
  background: var(--card); color: var(--text);
}
.input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent) 30%, transparent); }

.btn {
  padding: 12px 16px; border-radius: 12px; border: none; cursor: pointer; font-weight: 600;
  color: #fff; background: var(--accent);
}
.btn:hover { background: var(--brand-700); }
.btn:active { background: var(--brand-800); }

.results { margin: 10px 0 0; padding: 0; list-style: none; border-radius: 12px; overflow: hidden; border: 1px solid var(--border); }
.results:empty { display: none; }
.results li {
  display: flex; justify-content: space-between; align-items: center;
  gap: 12px; padding: 10px 12px; background: var(--card); cursor: pointer;
}
.results li + li { border-top: 1px solid var(--border); }
.results li:hover { background: color-mix(in oklab, var(--accent) 6%, var(--card)); }
.results small { color: var(--muted); }

.status { margin: 8px 2px 0; color: var(--muted); min-height: 1.25rem; }

/* Weather display */
.hidden { display: none !important; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 16px; box-shadow: 0 2px 8px rgba(0,0,0,0.05); }

/* Error */
.error { border-color: color-mix(in oklab, var(--accent) 40%, var(--border)); color: var(--text); }

.current-main { display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: center; }
.current-left { display: flex; align-items: center; gap: 12px; }
.current-icon { font-size: 40px; }
.location { font-size: 18px; font-weight: 700; }
.condition { color: var(--muted); margin-top: 2px; }
.updated { color: var(--muted); font-size: 12px; margin-top: 4px; }
.temp { font-size: 42px; font-weight: 800; letter-spacing: -0.5px; }
.meta { color: var(--muted); text-align: right; }

.forecast h2 { margin: 4px 0 12px; font-size: 16px; color: var(--muted); font-weight: 700; letter-spacing: 0.2px; }
.forecast-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
.day { display: grid; gap: 8px; justify-items: center; padding: 12px; border-radius: 12px; border: 1px solid var(--border); background: color-mix(in oklab, var(--accent) 3%, var(--card)); }
.day .d-icon { font-size: 28px; }
.day .d-date { font-weight: 600; }
.day .d-temp { color: var(--muted); font-size: 14px; }

/* Responsive */
@media (max-width: 680px) {
  .current-main { grid-template-columns: 1fr; text-align: left; }
  .meta { text-align: left; }
  .forecast-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 420px) {
  .forecast-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Background hint shifts lightly with weather type (class on body) */
.wx-bg { transition: background 300ms ease; }
body.wx-clear { background-image: linear-gradient(180deg, color-mix(in oklab, var(--accent) 6%, var(--bg)) 0%, var(--bg) 30%); }
body.wx-cloud { background-image: linear-gradient(180deg, color-mix(in oklab, var(--accent) 4%, var(--bg)) 0%, var(--bg) 30%); }
body.wx-rain { background-image: linear-gradient(180deg, color-mix(in oklab, var(--accent) 8%, var(--bg)) 0%, var(--bg) 30%); }
body.wx-snow { background-image: linear-gradient(180deg, color-mix(in oklab, var(--accent) 10%, var(--bg)) 0%, var(--bg) 30%); }

/* Links */
.app-footer { border-top: 1px solid var(--border); padding: 14px 16px; text-align: center; color: var(--muted); }
.app-footer a { color: var(--link); text-decoration: none; }
.app-footer a:hover { text-decoration: underline; }

/* Loading */
.loading { display: grid; place-items: center; gap: 8px; padding: 12px; margin-bottom: 10px; }
.clouds { display: flex; gap: 8px; font-size: 22px; opacity: 0.9; }
.clouds span { animation: float 1.6s ease-in-out infinite; }
.clouds span:nth-child(2) { animation-delay: 0.2s; }
.clouds span:nth-child(3) { animation-delay: 0.4s; }
.loading-text { color: var(--muted); font-weight: 600; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-4px); } }

/* Footer extras */
.trademark { margin-top: 6px; font-weight: 700; color: var(--text); }
.note { margin-top: 4px; color: var(--muted); }