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

/* ===== Variables ===== */
:root {
  --bg:        #060c1a;
  --glass:     rgba(12, 22, 50, 0.65);
  --glass2:    rgba(255,255,255,0.04);
  --border:    rgba(255,255,255,0.09);
  --border-h:  rgba(99,179,237,0.35);
  --text:      #f0f6ff;
  --muted:     #7d9ab5;
  --accent:    #38bdf8;
  --accent2:   #a78bfa;
  --accent3:   #f472b6;
  --rain:      #60a5fa;
  --wind:      #34d399;
  --warn:      #fbbf24;
  --danger:    #f87171;
  --radius:    14px;
  --radius-lg: 22px;
  --blur:      blur(28px);
  --shadow:    0 8px 40px rgba(0,0,0,0.5);
  --glow-a:    0 0 24px rgba(56,189,248,0.35);
  --glow-b:    0 0 24px rgba(167,139,250,0.35);
  --t:         0.25s ease;
}

/* ===== Base ===== */
html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== Animated Background Blobs ===== */
body::before,
body::after {
  content: '';
  position: fixed;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.18;
  animation: blob 18s ease-in-out infinite alternate;
}

body::before {
  width: 700px; height: 700px;
  background: radial-gradient(circle, #7c3aed, #1d4ed8);
  top: -180px; left: -180px;
}

body::after {
  width: 550px; height: 550px;
  background: radial-gradient(circle, #0891b2, #06b6d4);
  bottom: -100px; right: -100px;
  animation-delay: -9s;
  animation-duration: 22s;
}

@keyframes blob {
  0%   { transform: translate(0,0)   scale(1);    }
  33%  { transform: translate(40px,25px) scale(1.08); }
  66%  { transform: translate(-20px,50px) scale(0.94); }
  100% { transform: translate(20px,-20px) scale(1.04); }
}

/* Weather-theme blob overrides */
body[data-weather="clear"]::before  { background: radial-gradient(circle, #f59e0b, #f97316); opacity: 0.22; }
body[data-weather="clear"]::after   { background: radial-gradient(circle, #fcd34d, #fb923c); opacity: 0.14; }
body[data-weather="rain"]::before   { background: radial-gradient(circle, #1d4ed8, #0891b2); opacity: 0.25; }
body[data-weather="rain"]::after    { background: radial-gradient(circle, #0369a1, #06b6d4); opacity: 0.2;  }
body[data-weather="storm"]::before  { background: radial-gradient(circle, #4c1d95, #9f1239); opacity: 0.28; }
body[data-weather="storm"]::after   { background: radial-gradient(circle, #6d28d9, #dc2626); opacity: 0.2;  }
body[data-weather="snow"]::before   { background: radial-gradient(circle, #7dd3fc, #bae6fd); opacity: 0.2;  }
body[data-weather="snow"]::after    { background: radial-gradient(circle, #e0f2fe, #bfdbfe); opacity: 0.14; }
body[data-weather="fog"]::before    { background: radial-gradient(circle, #64748b, #374151); opacity: 0.25; }
body[data-weather="cloudy"]::before { background: radial-gradient(circle, #475569, #334155); opacity: 0.22; }

/* ===== Layout ===== */
.app  { display: flex; flex-direction: column; min-height: 100vh; position: relative; z-index: 1; }
.main { flex: 1; max-width: 920px; width: 100%; margin: 0 auto; padding: 1.5rem 1rem 4rem; }

/* ===== Header ===== */
.header {
  background: rgba(6,12,26,0.75);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 200;
  box-shadow: 0 4px 30px rgba(0,0,0,0.4);
}

.header-content {
  max-width: 920px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.logo {
  font-size: 1.35rem;
  font-weight: 800;
  white-space: nowrap;
  background: linear-gradient(100deg, var(--accent) 0%, var(--accent2) 50%, var(--accent3) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

/* ===== Search Bar ===== */
.search-bar { display: flex; gap: 0.5rem; flex: 1; min-width: 200px; }

.search-bar input {
  flex: 1;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 0.65rem 1.1rem;
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--t), box-shadow var(--t), background var(--t);
}

.search-bar input:focus {
  border-color: var(--accent);
  background: rgba(255,255,255,0.09);
  box-shadow: var(--glow-a);
}

.search-bar input::placeholder { color: var(--muted); }

.search-bar button {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border: none;
  border-radius: var(--radius);
  color: #fff;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  width: 42px; height: 42px;
  transition: opacity var(--t), transform var(--t), box-shadow var(--t);
  box-shadow: 0 0 16px rgba(56,189,248,0.3);
}

.search-bar button:hover {
  opacity: 0.88;
  transform: scale(1.08);
  box-shadow: var(--glow-a);
}

.search-bar button svg { width: 18px; height: 18px; }

#locationBtn {
  background: rgba(255,255,255,0.07);
  border: 1px solid var(--border);
  color: var(--accent);
  box-shadow: none;
}

#locationBtn:hover {
  background: rgba(56,189,248,0.12);
  border-color: var(--accent);
  box-shadow: var(--glow-a);
}

/* ===== Utility ===== */
.hidden { display: none !important; }

/* ===== Loading State ===== */
.loading-state {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: 1.75rem;
  padding: 6rem 1rem;
}

.spinner {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, transparent 0%, var(--accent) 70%, transparent 100%);
  mask: radial-gradient(farthest-side, transparent calc(100% - 5px), #000 0);
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 5px), #000 0);
  animation: spin 0.85s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading-state p {
  color: var(--muted);
  font-size: 1rem;
  animation: pulse-opacity 1.5s ease-in-out infinite;
}

@keyframes pulse-opacity {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.45; }
}

/* ===== Error State ===== */
.error-state {
  text-align: center; padding: 5rem 1rem;
  display: flex; flex-direction: column; align-items: center; gap: 1rem;
}

.error-icon { font-size: 3.5rem; animation: shake 0.5s ease 0.2s; }

@keyframes shake {
  0%,100% { transform: translateX(0); }
  20%,60% { transform: translateX(-8px); }
  40%,80% { transform: translateX(8px); }
}

.error-state h2 { font-size: 1.5rem; font-weight: 700; }
.error-state p  { color: var(--muted); max-width: 420px; line-height: 1.7; }

.btn-retry {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border: none; border-radius: var(--radius);
  color: #fff; cursor: pointer;
  font-size: 0.95rem; font-weight: 700;
  padding: 0.75rem 1.75rem; margin-top: 0.5rem;
  box-shadow: 0 0 20px rgba(56,189,248,0.35);
  transition: opacity var(--t), transform var(--t), box-shadow var(--t);
}

.btn-retry:hover { opacity: 0.88; transform: scale(1.05); box-shadow: var(--glow-a); }

/* ===== Alerts ===== */
.alerts-section { margin-bottom: 1.5rem; display: flex; flex-direction: column; gap: 0.8rem; }

.alert-card {
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  display: flex; gap: 0.9rem; align-items: flex-start;
  animation: slide-in-left 0.4s ease backwards;
  position: relative; overflow: hidden;
}

.alert-card::before {
  content: '';
  position: absolute; inset: 0;
  border-radius: inherit;
  animation: pulse-border 2.5s ease-in-out infinite;
  pointer-events: none;
}

.alert-card.warn {
  background: rgba(251,191,36,0.1);
  border: 1px solid rgba(251,191,36,0.45);
}

.alert-card.warn::before {
  box-shadow: inset 0 0 20px rgba(251,191,36,0.12);
}

.alert-card.danger {
  background: rgba(248,113,113,0.1);
  border: 1px solid rgba(248,113,113,0.45);
}

.alert-card.danger::before {
  box-shadow: inset 0 0 20px rgba(248,113,113,0.12);
}

@keyframes pulse-border {
  0%,100% { opacity: 1; }
  50%      { opacity: 0.3; }
}

@keyframes slide-in-left {
  from { transform: translateX(-24px); opacity: 0; }
  to   { transform: translateX(0);     opacity: 1; }
}

.alert-icon { font-size: 1.5rem; flex-shrink: 0; }
.alert-text strong { display: block; margin-bottom: 0.2rem; font-weight: 700; }
.alert-text p { color: var(--muted); font-size: 0.88rem; }

/* ===== Current Section ===== */
.current-section {
  background: var(--glass);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
  animation: fade-up 0.5s ease backwards;
}

/* Sky glow overlay */
.current-section::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 60%;
  background: radial-gradient(ellipse at 50% 0%, rgba(56,189,248,0.14) 0%, transparent 70%);
  pointer-events: none;
  transition: background 1s ease;
}

body[data-weather="clear"]  .current-section::before { background: radial-gradient(ellipse at 50% 0%, rgba(251,191,36,0.2) 0%, transparent 70%); }
body[data-weather="rain"]   .current-section::before { background: radial-gradient(ellipse at 50% 0%, rgba(59,130,246,0.22) 0%, transparent 70%); }
body[data-weather="storm"]  .current-section::before { background: radial-gradient(ellipse at 50% 0%, rgba(124,58,237,0.22) 0%, transparent 70%); }
body[data-weather="snow"]   .current-section::before { background: radial-gradient(ellipse at 50% 0%, rgba(186,230,253,0.18) 0%, transparent 70%); }
body[data-weather="cloudy"] .current-section::before { background: radial-gradient(ellipse at 50% 0%, rgba(100,116,139,0.18) 0%, transparent 70%); }

.location-info { margin-bottom: 1.25rem; position: relative; }

.location-info h2 {
  font-size: 2rem; font-weight: 800; letter-spacing: -0.03em;
  background: linear-gradient(135deg, #fff 0%, #94c9ff 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.location-info p { color: var(--muted); font-size: 0.95rem; }
.last-updated    { font-size: 0.78rem; margin-top: 0.2rem; opacity: 0.65; }

.current-weather { margin-bottom: 1.5rem; position: relative; }

.current-main { display: flex; align-items: center; gap: 1.25rem; margin-bottom: 0.5rem; }

.weather-icon-large {
  font-size: 5rem; line-height: 1;
  animation: float 4s ease-in-out infinite;
  display: inline-block;
  filter: drop-shadow(0 4px 16px rgba(255,255,255,0.2));
}

@keyframes float {
  0%,100% { transform: translateY(0px);   }
  50%      { transform: translateY(-14px); }
}

.current-temp {
  font-size: 4rem; font-weight: 900; line-height: 1;
  letter-spacing: -0.04em;
  transition: color var(--t);
}

/* Temperature color classes */
.temp-frozen { color: #bae6fd; text-shadow: 0 0 20px rgba(186,230,253,0.6); }
.temp-cold   { color: #7dd3fc; text-shadow: 0 0 20px rgba(125,211,252,0.5); }
.temp-cool   { color: #e2e8f0; text-shadow: none; }
.temp-warm   {
  background: linear-gradient(135deg, #fbbf24, #f97316);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  filter: drop-shadow(0 0 12px rgba(249,115,22,0.4));
}
.temp-hot   {
  background: linear-gradient(135deg, #f97316, #ef4444);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  filter: drop-shadow(0 0 16px rgba(239,68,68,0.5));
}

.feels-like   { color: var(--muted); font-size: 0.95rem; margin-top: 0.25rem; }
.weather-desc { color: var(--muted); font-size: 1.05rem; text-transform: capitalize; letter-spacing: 0.01em; }

/* Detail cards */
.current-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 0.7rem;
  margin-top: 1.5rem;
}

.detail-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
  display: flex; flex-direction: column; gap: 0.25rem;
  cursor: default;
  transition: background var(--t), border-color var(--t), transform var(--t), box-shadow var(--t);
}

.detail-card:hover {
  background: rgba(255,255,255,0.09);
  border-color: var(--border-h);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.detail-icon  { font-size: 1.2rem; }
.detail-label { font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.detail-value { font-size: 1.05rem; font-weight: 700; }

/* ===== Section Cards ===== */
.section-card {
  background: var(--glass);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.6rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
  transition: border-color var(--t), box-shadow var(--t);
  animation: fade-up 0.5s ease backwards;
}

.section-card:hover {
  border-color: rgba(255,255,255,0.14);
  box-shadow: 0 12px 48px rgba(0,0,0,0.5);
}

/* Staggered entrance delays */
.weather-content .current-section                { animation-delay: 0.05s; }
.weather-content .section-card:nth-of-type(1)    { animation-delay: 0.12s; }
.weather-content .section-card:nth-of-type(2)    { animation-delay: 0.19s; }
.weather-content .section-card:nth-of-type(3)    { animation-delay: 0.26s; }
.weather-content .section-card:nth-of-type(4)    { animation-delay: 0.33s; }

.section-title {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

/* ===== Hourly ===== */
.hourly-scroll {
  display: flex; gap: 0.65rem; overflow-x: auto; padding-bottom: 0.5rem;
  scrollbar-width: thin; scrollbar-color: rgba(255,255,255,0.1) transparent;
  scroll-snap-type: x mandatory;
}

.hourly-scroll::-webkit-scrollbar { height: 3px; }
.hourly-scroll::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 2px; }

.hourly-item {
  min-width: 70px; flex-shrink: 0;
  background: var(--glass2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 0.5rem;
  text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 0.35rem;
  scroll-snap-align: start;
  transition: background var(--t), border-color var(--t), transform var(--t);
  cursor: default;
}

.hourly-item:hover {
  background: rgba(255,255,255,0.08);
  border-color: var(--border-h);
  transform: translateY(-3px);
}

.hourly-item.now {
  border-color: var(--accent);
  background: rgba(56,189,248,0.1);
  box-shadow: 0 0 18px rgba(56,189,248,0.25);
}

.h-time { font-size: 0.74rem; color: var(--muted); }
.h-icon { font-size: 1.5rem; }
.h-temp { font-size: 0.95rem; font-weight: 700; }
.h-rain { font-size: 0.72rem; color: var(--rain); }

/* ===== Rain Chart ===== */
.rain-chart { display: flex; flex-direction: column; gap: 0.7rem; }

.rain-bar-row {
  display: grid;
  grid-template-columns: 90px 1fr 65px;
  align-items: center; gap: 0.8rem;
}

.rain-bar-label {
  font-size: 0.83rem; color: var(--muted); text-align: right;
  display: flex; flex-direction: column; align-items: flex-end; gap: 0.1rem;
}

.rain-prob { font-size: 0.7rem; color: var(--rain); opacity: 0.85; }

.rain-bar-track {
  background: rgba(255,255,255,0.06);
  border-radius: 99px; height: 16px; overflow: hidden;
  position: relative;
}

.rain-bar-fill {
  height: 100%; border-radius: 99px;
  background: linear-gradient(90deg, #1e40af, #3b82f6, #06b6d4);
  transition: width 0.8s cubic-bezier(0.34,1.56,0.64,1);
  min-width: 2px;
  position: relative;
  overflow: hidden;
}

.rain-bar-fill::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.25) 50%, transparent 100%);
  background-size: 200% 100%;
  animation: shimmer 2.5s ease-in-out infinite;
}

@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position:  200% 0; }
}

.rain-bar-value { font-size: 0.82rem; font-weight: 700; color: var(--rain); }

/* ===== Daily Forecast ===== */
.daily-forecast { display: flex; flex-direction: column; gap: 0.65rem; }

.daily-item {
  display: grid;
  grid-template-columns: 110px 40px 1fr 80px;
  align-items: center; gap: 1rem;
  background: var(--glass2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  transition: background var(--t), border-color var(--t), transform var(--t), box-shadow var(--t);
  cursor: default;
}

.daily-item:first-child {
  border-color: rgba(56,189,248,0.25);
  background: rgba(56,189,248,0.05);
}

.daily-item:hover {
  background: rgba(255,255,255,0.07);
  border-color: var(--border-h);
  transform: translateX(4px);
  box-shadow: -4px 0 20px rgba(56,189,248,0.12);
}

.day-name  { font-size: 0.92rem; font-weight: 700; }
.day-icon  { font-size: 1.6rem; text-align: center; }
.day-desc  { font-size: 0.83rem; color: var(--muted); display: flex; align-items: center; gap: 0.4rem; flex-wrap: wrap; }
.day-prob  { color: var(--rain); font-size: 0.78rem; }

.day-temps { display: flex; flex-direction: column; align-items: flex-end; gap: 0.1rem; }
.day-max   { font-size: 1.05rem; font-weight: 800; }
.day-min   { font-size: 0.82rem; color: var(--muted); }

/* ===== Wind Forecast ===== */
.wind-forecast { display: flex; flex-direction: column; gap: 0.55rem; }

.wind-row {
  display: grid;
  grid-template-columns: 110px 36px 1fr 80px 55px;
  align-items: center; gap: 0.75rem;
  background: var(--glass2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  transition: background var(--t), border-color var(--t);
}

.wind-row:hover {
  background: rgba(52,211,153,0.07);
  border-color: rgba(52,211,153,0.3);
}

.wind-day { font-size: 0.85rem; color: var(--muted); }

.wind-arrow {
  font-size: 1.3rem;
  display: flex; align-items: center; justify-content: center;
  color: var(--wind);
  filter: drop-shadow(0 0 6px rgba(52,211,153,0.5));
  transition: transform 0.5s ease;
}

.wind-bar-track {
  background: rgba(255,255,255,0.06);
  border-radius: 99px; height: 10px; overflow: hidden;
}

.wind-bar-fill {
  height: 100%; border-radius: 99px;
  background: linear-gradient(90deg, #059669, #34d399, #6ee7b7);
  transition: width 0.8s cubic-bezier(0.34,1.56,0.64,1);
  position: relative; overflow: hidden;
}

.wind-bar-fill::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  background-size: 200% 100%;
  animation: shimmer 3s ease-in-out infinite;
}

.wind-speed  { font-size: 0.88rem; font-weight: 700; color: var(--wind); text-align: right; }
.wind-gusts  { font-size: 0.75rem; color: var(--muted); }

/* ===== Entrance Animation ===== */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0);    }
}

/* ===== Footer ===== */
.footer {
  text-align: center;
  padding: 1.75rem;
  color: var(--muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
  position: relative; z-index: 1;
}

.footer a {
  color: var(--accent);
  text-decoration: none;
  transition: opacity var(--t);
}

.footer a:hover { opacity: 0.75; text-decoration: underline; }

/* ===== Scrollbar (Chrome) ===== */
::-webkit-scrollbar       { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.22); }

/* ===== Responsive ===== */
@media (max-width: 640px) {
  .header-content        { gap: 0.75rem; }
  .logo                  { font-size: 1.1rem; }
  .current-section       { padding: 1.4rem; }
  .current-temp          { font-size: 3.2rem; }
  .weather-icon-large    { font-size: 3.8rem; }
  .location-info h2      { font-size: 1.5rem; }
  .current-details       { grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); }
  .daily-item            { grid-template-columns: 90px 36px 1fr 72px; padding: 0.75rem 1rem; gap: 0.5rem; }
  .wind-row              { grid-template-columns: 85px 32px 1fr 70px; }
  .wind-gusts            { display: none; }
  .rain-bar-row          { grid-template-columns: 72px 1fr 55px; gap: 0.5rem; }
}

@media (max-width: 400px) {
  .daily-item { grid-template-columns: 80px 32px 1fr 65px; gap: 0.35rem; }
  .day-desc   { display: none; }
}