/*variables*/
:root {
  --blue-light:   #e8f4fd;   /* background */
  --blue-mid:     #bde0f5;   /* borders and details */
  --blue-card:    #f5faff;   /* card backgrounds */
  --blue-accent:  #3b9edd;   /* vibrant blue (buttons, highlights) */
  --blue-dark:    #1565a8;   /* dark blue (strong texts) */
  --black:        #1a1a2e;   /* main texts */
  --gray:         #6b7280;   /* secondary texts */
  --white:        #ffffff;
  --radius:       16px;
  --shadow:       0 4px 20px rgba(59, 158, 221, 0.12);
  --shadow-hover: 0 8px 32px rgba(59, 158, 221, 0.22);
  --font:         'Nunito', Arial, sans-serif;
}

/*base*/
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  font-family: var(--font);
  background: var(--blue-light);
  color: var(--black);
}

/*screens*/
.screen { display: none; min-height: 100vh; }
.screen.active { display: flex; }

/*initpage*/
#screen-idle {
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #e8f4fd 0%, #d0eafb 100%);
}

.idle-wrap {
  text-align: center;
  padding: 48px 32px;
  background: var(--white);
  border-radius: 24px;
  box-shadow: 0 8px 40px rgba(59,158,221,0.18);
  max-width: 380px;
  width: 90%;
  animation: fadeIn .5s ease;
}

.idle-emoji { font-size: 64px; margin-bottom: 16px; line-height: 1; }

.idle-wrap h1 {
  font-size: 28px;
  font-weight: 800;
  color: var(--blue-dark);
  margin-bottom: 10px;
}

.idle-wrap p {
  font-size: 15px;
  color: var(--gray);
  line-height: 1.7;
  margin-bottom: 24px;
}

/*loading*/
#screen-loading {
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 20px;
  background: var(--blue-light);
}

.loading-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.loader {
  width: 48px; height: 48px;
  border: 4px solid var(--blue-mid);
  border-top-color: var(--blue-accent);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}

#loading-msg {
  font-size: 14px;
  color: var(--gray);
  font-weight: 600;
}

/*err*/
#screen-error {
  align-items: center;
  justify-content: center;
  background: var(--blue-light);
}

.error-wrap {
  text-align: center;
  padding: 48px 32px;
  background: var(--white);
  border-radius: 24px;
  box-shadow: var(--shadow);
  max-width: 360px;
  width: 90%;
}

#error-msg {
  font-size: 15px;
  color: var(--gray);
  margin-bottom: 24px;
  line-height: 1.6;
}

/*buttons*/
.btn-primary {
  background: var(--blue-accent);
  color: var(--white);
  border: none;
  border-radius: 50px;
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 700;
  font-family: var(--font);
  cursor: pointer;
  transition: all .2s;
  box-shadow: 0 4px 14px rgba(59,158,221,0.35);
}

.btn-primary:hover {
  background: var(--blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59,158,221,0.4);
}

/*header/topbar*/
#screen-dashboard { flex-direction: column; background: var(--blue-light); }

.topbar {
  background: var(--white);
  border-bottom: 1px solid var(--blue-mid);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 2px 8px rgba(59,158,221,0.08);
  position: sticky;
  top: 0;
  z-index: 100;
}

.topbar-logo {
  font-size: 18px;
  font-weight: 800;
  color: var(--blue-dark);
  display: flex;
  align-items: center;
  gap: 8px;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.topbar-location {
  font-size: 13px;
  color: var(--gray);
  font-weight: 600;
  max-width: 260px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.btn-toggle-unit {
  background: var(--blue-light);
  border: 2px solid var(--blue-mid);
  color: var(--blue-dark);
  border-radius: 50px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 700;
  font-family: var(--font);
  cursor: pointer;
  transition: all .2s;
}

.btn-toggle-unit:hover {
  background: var(--blue-accent);
  color: var(--white);
  border-color: var(--blue-accent);
}

.btn-refresh {
  background: var(--blue-light);
  border: 2px solid var(--blue-mid);
  border-radius: 50%;
  width: 36px; height: 36px;
  font-size: 16px;
  cursor: pointer;
  transition: all .2s;
  display: flex; align-items: center; justify-content: center;
}

.btn-refresh:hover {
  background: var(--blue-accent);
  border-color: var(--blue-accent);
}

/*grid:principal*/
.page-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 16px;
  padding: 20px 20px 0;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

/*cards:base*/
.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--blue-mid);
  transition: box-shadow .2s, transform .2s;
  animation: slideUp .4s ease both;
}

.card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.card-tag {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--blue-accent);
  margin-bottom: 16px;
}

/*card:currentweather-topright*/
.card-current {
  grid-column: 1;
  grid-row: 1;
  background: linear-gradient(145deg, #1565a8 0%, #3b9edd 100%);
  color: var(--white);
  border: none;
  animation-delay: .05s;
}

.card-current .card-tag { color: rgba(255,255,255,0.7); }

.big-icon {
  font-size: 72px;
  line-height: 1;
  margin-bottom: 8px;
  animation: bounce 2s infinite;
  display: inline-block;
}

.big-temp {
  font-size: 72px;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -2px;
}

.big-desc {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 4px;
  opacity: .95;
}

.big-feels {
  font-size: 14px;
  opacity: .75;
  margin-bottom: 6px;
}

.big-place {
  font-size: 13px;
  opacity: .7;
  margin-bottom: 20px;
}

/*bar min/max*/
.minmax-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.15);
  border-radius: 50px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 700;
}

.bar-track {
  flex: 1;
  height: 6px;
  background: rgba(255,255,255,0.3);
  border-radius: 50px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: linear-gradient(to right, #90e0ef, #ffffff);
  border-radius: 50px;
  transition: width .8s ease;
  width: 50%;
}

/*card:metrics*/
.card-metrics {
  grid-column: 2;
  grid-row: 1;
  animation-delay: .1s;
}

.metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
}

.metric-item {
  background: var(--blue-light);
  border-radius: 12px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  border: 1px solid var(--blue-mid);
  transition: background .2s;
}

.metric-item:hover { background: #d0eafb; }

.m-emoji { font-size: 20px; line-height: 1; }
.m-label { font-size: 11px; color: var(--gray); font-weight: 600; }
.m-val   { font-size: 16px; font-weight: 800; color: var(--blue-dark); }

/*windbar*/
.wind-section, .uv-section {
  margin-top: 12px;
}

.wind-label, .uv-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--gray);
  margin-bottom: 6px;
}

.wind-bar-wrap, .uv-bar-wrap {
  height: 8px;
  background: var(--blue-light);
  border-radius: 50px;
  overflow: hidden;
  border: 1px solid var(--blue-mid);
}

.wind-bar-fill {
  height: 100%;
  background: linear-gradient(to right, #90e0ef, #3b9edd, #1565a8);
  border-radius: 50px;
  transition: width .8s ease;
  width: 0%;
}

.uv-bar-fill {
  height: 100%;
  background: linear-gradient(to right, #52b788, #f4d03f, #e67e22, #c0392b);
  border-radius: 50px;
  transition: width .8s ease;
  width: 0%;
}

.wind-scale, .uv-scale {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: var(--gray);
  margin-top: 3px;
}

/*card:map-left*/
.card-map {
  grid-column: 1;
  grid-row: 2;
  animation-delay: .15s;
}

#map {
  width: 100%;
  height: 280px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--blue-mid);
  margin-bottom: 8px;
}

.map-coords {
  font-size: 11px;
  color: var(--gray);
  text-align: center;
}

/*card:predition7days*/
.card-forecast {
  grid-column: 2;
  grid-row: 2;
  animation-delay: .2s;
}

.forecast-list { display: flex; flex-direction: column; gap: 4px; }

.forecast-row {
  display: grid;
  grid-template-columns: 90px 32px 1fr 40px 50px;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  transition: background .15s;
}

.forecast-row:hover { background: var(--blue-light); }

.f-day  { font-size: 12px; font-weight: 700; color: var(--black); text-transform: capitalize; }
.f-ico  { font-size: 22px; text-align: center; }
.f-bar  { position: relative; height: 6px; background: var(--blue-light); border-radius: 50px; overflow: hidden; border: 1px solid var(--blue-mid); }
.f-fill { position: absolute; height: 100%; border-radius: 50px; background: linear-gradient(to right, #90e0ef, #3b9edd); }
.f-min  { font-size: 12px; color: var(--gray); text-align: right; font-weight: 600; }
.f-max  { font-size: 12px; color: var(--blue-dark); text-align: right; font-weight: 800; }

/*card:graphtime(full width)*/
.card-hourly {
  max-width: 1200px;
  margin: 16px auto 0;
  width: calc(100% - 40px);
  animation-delay: .25s;
}

.hourly-scroll {
  overflow-x: auto;
  padding-bottom: 6px;
}

.hourly-scroll::-webkit-scrollbar { height: 4px; }
.hourly-scroll::-webkit-scrollbar-track { background: var(--blue-light); border-radius: 4px; }
.hourly-scroll::-webkit-scrollbar-thumb { background: var(--blue-mid); border-radius: 4px; }

.hourly-blocks {
  display: flex;
  gap: 8px;
  min-width: max-content;
  padding: 4px 2px 8px;
}

.hour-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  background: var(--blue-light);
  border: 1px solid var(--blue-mid);
  border-radius: 14px;
  padding: 12px 16px;
  min-width: 74px;
  cursor: default;
  transition: all .2s;
  position: relative;
}

.hour-block:hover {
  background: var(--blue-accent);
  color: var(--white);
  border-color: var(--blue-accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(59,158,221,0.3);
}

.hour-block.current-hour {
  background: var(--blue-dark);
  color: var(--white);
  border-color: var(--blue-dark);
}

.hour-block.current-hour::after {
  content: 'Now';
  position: absolute;
  top: -10px;
  font-size: 9px;
  font-weight: 800;
  background: var(--blue-dark);
  color: white;
  padding: 2px 6px;
  border-radius: 20px;
}

.h-time { font-size: 11px; font-weight: 700; opacity: .8; }
.h-ico  { font-size: 24px; line-height: 1; }
.h-temp { font-size: 16px; font-weight: 800; }
.h-rain { font-size: 10px; opacity: .7; }

/*FOOTER*/
.page-footer {
  text-align: center;
  font-size: 12px;
  color: var(--gray);
  padding: 20px;
  margin-top: 16px;
  border-top: 1px solid var(--blue-mid);
}

/*ANIMATIONS*/
@keyframes spin    { to { transform: rotate(360deg); } }
@keyframes bounce  { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes fadeIn  { from { opacity: 0; transform: scale(.95); } to { opacity: 1; transform: scale(1); } }
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/*RESPONSIVE*/
@media (max-width: 768px) {
  .page-grid {
    grid-template-columns: 1fr;
    padding: 12px 12px 0;
  }

  .card-current { grid-column: 1; grid-row: auto; }
  .card-metrics { grid-column: 1; grid-row: auto; }
  .card-map     { grid-column: 1; grid-row: auto; }
  .card-forecast { grid-column: 1; grid-row: auto; }

  .card-hourly {
    width: calc(100% - 24px);
    margin: 12px auto 0;
  }

  .big-temp { font-size: 56px; }
  .big-icon { font-size: 56px; }
  .topbar-location { max-width: 120px; font-size: 11px; }
}