/* ==========================================================================
   Rubik (SIL Open Font License, see fonts/OFL.txt) — self-hosted variable
   font, weights 400 + 600 (imprint headings/labels). No request to Google.
   ========================================================================== */
@font-face {
  font-family: 'Rubik';
  font-style: normal;
  font-weight: 300 900;
  font-display: swap;
  src: url('fonts/rubik-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Rubik';
  font-style: normal;
  font-weight: 300 900;
  font-display: swap;
  src: url('fonts/rubik-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --dark-text:   rgba(7, 0, 68, 1);
  --light-text:  rgba(255, 255, 255, 1);
  --white:       #FFFFFF;
  --warning-bg:  #1A2740;
  --navy:        #0F0F3D;
  --orange-bg:   #FFAA00;
  --neutral-bg:  #C8CDD6;  /* fallback, locating, search UI (from neutral) */
  --medium-bg:   #8BD2EC;  /* medium temperature (12-22 °C) */
  --cold-bg:     #8FA0B5;  /* cold temperature (< 12 °C) */
  --input-bg:    #FFFFFF;
  --placeholder: rgba(7, 0, 68, 0.45);
  --font:        'Rubik', sans-serif;
}

/* Animated gradient angle — registered so it can be interpolated */
@property --grad-angle {
  syntax: '<angle>';
  inherits: false;
  initial-value: 155deg;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }

body {
  font-family: var(--font);
  font-weight: 400;
  color: var(--dark-text);
  min-height: 100vh;
  background-color: var(--bg-colour, var(--neutral-bg));
  background-image: linear-gradient(
    to bottom,
    rgba(7, 0, 68, 0.15) 0%,
    rgba(7, 0, 68, 0)    75%
  );
  background-repeat: no-repeat;  /* long screens (imprint) must not tile the gradient */
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 60px 32px 16px;
  box-sizing: border-box;
  transition: background-color 0.5s ease;
}

/* ==========================================================================
   Weather gradient — per WMO code (values in app.js → WEATHER_COLORS).
   Start colour at the top (0 %), transparent at 70 %. The angle tilts
   ±25° around vertical (155° ↔ 205°), ease-in-out, there and back,
   each direction lasting --grad-loop.
   ========================================================================== */
body.weather-gradient { background-image: none; }

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(var(--grad-angle), var(--grad-start, transparent) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.5s ease;
}

body.weather-gradient::before {
  opacity: 1;
  animation: grad-tilt var(--grad-loop, 6000ms) ease-in-out infinite alternate;
}

@keyframes grad-tilt {
  from { --grad-angle: 155deg; }  /* 180° − 25° */
  to   { --grad-angle: 205deg; }  /* 180° + 25° */
}

@media (prefers-reduced-motion: reduce) {
  body.weather-gradient::before { animation: none; --grad-angle: 180deg; }
}

/* ==========================================================================
   UTILITIES — one rule per visual property, reused across components.
   Elements combine a semantic class (meaning/hook) with one or more
   utilities (look). Change a look here once, not per component.
   ========================================================================== */

/* Layout */
.u-row    { display: flex; align-items: center; gap: 4px; }
.u-center { display: flex; align-items: center; justify-content: center; }

/* Spacing */
.u-mb-24 { margin-bottom: 24px; }
.u-mr-4  { margin-right: 4px; }
.u-p-0   { padding: 0; }

/* Sizing */
.u-w-full    { width: 100%; }
.u-h-56      { height: 56px; }
.u-size-28   { width: 28px; height: 28px; }
.u-shrink-0  { flex-shrink: 0; }
.u-radius-12 { border-radius: 12px; }
.u-rounded-full { border-radius: 50%; }

/* Typography scale */
.u-text-62 {
  font-size: 62px;
  line-height: 1;
  letter-spacing: -0.5px;
  word-spacing: 0.1em;
  word-break: break-word;
}
.u-text-24 { font-size: 24px; line-height: 1; }
.u-text-16 { font-size: 16px; }

/* Text color */
.u-text-light { color: var(--light-text); }
.u-text-white { color: var(--white); }
.u-text-muted { color: var(--placeholder); }

/* Interaction */
.u-cursor-pointer { cursor: pointer; }

/* Motion */
.u-fade-in      { animation: fadeIn 0.5s ease-out; }
.u-fade-in-fast { animation: fadeIn 0.3s ease-out; }
.u-spin         { animation: spin 0.8s linear infinite; }

/* ==========================================================================
   Components — structure/behaviour specific to one element.
   Shared look (size, color, spacing) comes from the u-* utilities above,
   applied alongside these classes in the markup.
   ========================================================================== */

.card { max-width: 360px; }

.row-header { overflow: visible; }
.row-header .close-btn { margin-left: auto; }

.exclamation-wrapper {}
.locating-row {}
.row-closebox {}

.locating-status { margin: 0; }

.searching-text { margin-bottom: 14px; }

/* Status / label text */
.status {
  display: inline-block;
  vertical-align: middle;
}

/* Input field */
.input-field {
  padding: 0 20px;
  background: var(--input-bg);
  border: none;
  outline: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  transition: box-shadow 0.2s;
}

.input-field.focused { box-shadow: 0 4px 16px rgba(7, 0, 68, 0.12); }
.input-field::placeholder { color: var(--placeholder); }

/* CTA button */
.cta-btn {
  margin-top: 12px;
  background: var(--navy);
  border: none;
  transition: background 0.2s, transform 0.1s;
}

.cta-btn:hover  { background: #1E1F4D; }
.cta-btn:active { transform: scale(0.98); }
.cta-btn:disabled { opacity: 0.5; cursor: default; }

/* Exclamation icon */
.exclamation-icon { background: var(--warning-bg); }
.exclamation-icon.spin { opacity: 0.9; }

/* Close button */
.close-btn {
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  color: var(--warning-bg);
  font-size: 36px;
  font-weight: 100;
  line-height: 1;
  transition: color 0.2s;
}

.close-btn:hover { color: var(--dark-text); }

/* ==========================================================================
   Weather result components
   ========================================================================== */

.weather-icon { font-size: 32px; line-height: 1; }

.weather-temp { letter-spacing: -0.5px; }

.weather-temp .deg {
  font-size: 14px;
  vertical-align: super;
  margin-left: 1px;
}

.weather-pre { margin-left: 4px; }

.weather-city {
  margin-left: 2px;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  text-decoration-color: rgba(7, 0, 68, 0.4);
  transition: text-decoration-color 0.2s;
}

.weather-city:hover,
.weather-city:focus {
  text-decoration-color: var(--dark-text);
  outline: none;
}

.weather-city em { font-style: normal; }

.day-msg {}

/* Cyclist animation — 120px above the bottom edge of the viewport */
.cyclist,
.cyclist-pass {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 120px;
  margin: 0 auto;
  width: min(1720px, 75vw, 50vh * 1720 / 1268);  /* same box the <img> had: intrinsic size, capped */
  aspect-ratio: 1720 / 1268;
  pointer-events: none;
  transform: translateX(calc(-50vw - 50%));  /* parked off-screen left until the intro runs */
}

/* ==========================================================================
   Imprint
   ========================================================================== */

/* Link — centred, 70px above the bottom edge of the viewport */
.imprint-link {
  position: fixed;
  left: 50%;
  bottom: 70px;
  transform: translateX(-50%);
  z-index: 1;
  font-size: 14px;
  color: var(--dark-text);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  text-decoration-color: rgba(7, 0, 68, 0.4);
  transition: text-decoration-color 0.2s;
}

.imprint-link[hidden] { display: none; }

.imprint-link:hover,
.imprint-link:focus-visible {
  text-decoration-color: var(--dark-text);
  outline: none;
}

/* "Impressum" is ~5.2em wide — shrink slightly on narrow phones so the
   single word never breaks (62px from ~390px viewport width upwards) */
.imprint-headline { font-size: min(62px, calc((100vw - 64px) / 5.3)); }

.imprint-text { line-height: 1.25; padding-bottom: 48px; }

/* One vertical rhythm: 1.25em between all blocks, more above headings */
.imprint-text > * + * { margin-top: 1.25em; }
.imprint-text > .imprint-h2 { margin-top: 2em; }
.imprint-text > .imprint-h3 { margin-top: 1.75em; }
.imprint-text > .imprint-h3 + *,
.imprint-text > .imprint-h2 + .imprint-h3 { margin-top: 0.5em; }
.imprint-text > .imprint-h2 + * { margin-top: 0.75em; }

/* Headings + run-in labels ("Aufsichtsbehörde:", "Cookies" …):
   semibold, dark — white on the light backgrounds is not legible */
.imprint-h2,
.imprint-h3,
.imprint-label {color: var(--dark-text); }

.imprint-h3,
.imprint-label {font-weight: 600; }
.imprint-h2 {font-weight: 400; }

/* Bullet lists — en dash, hanging indent */
.imprint-list { list-style: none; }
.imprint-list li { position: relative; padding-left: 1em; }
.imprint-list li::before { content: "–"; position: absolute; left: 0; }

/* Links — same underline treatment as .weather-city / .imprint-link */
.imprint-text a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  text-decoration-color: rgba(7, 0, 68, 0.4);
  transition: text-decoration-color 0.2s;
  overflow-wrap: anywhere;
}
.imprint-text a:hover,
.imprint-text a:focus-visible { text-decoration-color: var(--dark-text); outline: none; }

/* ==========================================================================
   Spinner
   ========================================================================== */
.spinner {
  border: 3px solid rgba(7, 0, 68, 0.15);
  border-top-color: var(--dark-text);
  opacity: 0.7;
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes spin { to { transform: rotate(360deg); } }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}