/* ==========================================================================
   WeatherSphere Forecast - Design System & Modern CSS
   ========================================================================== */

/* --- CSS Variables & Design Tokens --- */
:root {
  /* Default / Clear Day Atmospheric Theme */
  --bg-gradient-start: #0f1e36;
  --bg-gradient-mid: #162a4a;
  --bg-gradient-end: #0a1324;
  
  --ambient-glow-1: rgba(56, 139, 253, 0.25);
  --ambient-glow-2: rgba(255, 179, 71, 0.18);
  
  --surface-primary: rgba(18, 30, 52, 0.72);
  --surface-secondary: rgba(26, 42, 70, 0.55);
  --surface-hover: rgba(36, 56, 92, 0.7);
  --surface-active: rgba(44, 68, 110, 0.85);
  --surface-glass: rgba(255, 255, 255, 0.05);

  --border-subtle: rgba(255, 255, 255, 0.09);
  --border-medium: rgba(255, 255, 255, 0.16);
  --border-highlight: rgba(120, 180, 255, 0.35);

  --text-primary: #f0f4fc;
  --text-secondary: #a0aec0;
  --text-tertiary: #687b97;
  --text-inverted: #0a1324;

  --accent-cyan: #38bdf8;
  --accent-blue: #3b82f6;
  --accent-amber: #fbbf24;
  --accent-orange: #f97316;
  --accent-emerald: #10b981;
  --accent-rose: #f43f5e;
  --accent-violet: #818cf8;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 24px -4px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 40px -8px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px rgba(56, 189, 248, 0.2);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  --backdrop-blur: blur(16px);
}

/* --- Atmospheric Dynamic Themes --- */

/* Clear Night */
[data-theme="clear-night"] {
  --bg-gradient-start: #070c18;
  --bg-gradient-mid: #0d162b;
  --bg-gradient-end: #040810;
  --ambient-glow-1: rgba(99, 102, 241, 0.18);
  --ambient-glow-2: rgba(56, 189, 248, 0.12);
  --surface-primary: rgba(14, 23, 42, 0.75);
  --surface-secondary: rgba(20, 32, 58, 0.55);
}

/* Rainy / Storm */
[data-theme="rain"],
[data-theme="thunder"] {
  --bg-gradient-start: #0b1522;
  --bg-gradient-mid: #132235;
  --bg-gradient-end: #080d16;
  --ambient-glow-1: rgba(56, 189, 248, 0.18);
  --ambient-glow-2: rgba(30, 58, 138, 0.25);
  --surface-primary: rgba(14, 24, 38, 0.8);
  --surface-secondary: rgba(22, 36, 56, 0.6);
}

/* Snow / Frost */
[data-theme="snow"] {
  --bg-gradient-start: #111e30;
  --bg-gradient-mid: #1e334e;
  --bg-gradient-end: #0c1624;
  --ambient-glow-1: rgba(224, 242, 254, 0.2);
  --ambient-glow-2: rgba(186, 230, 253, 0.15);
  --surface-primary: rgba(22, 38, 62, 0.75);
  --surface-secondary: rgba(30, 50, 80, 0.55);
}

/* Clouds / Overcast */
[data-theme="clouds"] {
  --bg-gradient-start: #121b29;
  --bg-gradient-mid: #1d2b3e;
  --bg-gradient-end: #0c121c;
  --ambient-glow-1: rgba(148, 163, 184, 0.15);
  --ambient-glow-2: rgba(56, 189, 248, 0.12);
  --surface-primary: rgba(19, 30, 46, 0.78);
  --surface-secondary: rgba(28, 43, 65, 0.58);
}

/* Fog / Mist */
[data-theme="fog"] {
  --bg-gradient-start: #101c24;
  --bg-gradient-mid: #192d3a;
  --bg-gradient-end: #0a131a;
  --ambient-glow-1: rgba(45, 212, 191, 0.14);
  --ambient-glow-2: rgba(148, 163, 184, 0.14);
  --surface-primary: rgba(17, 32, 42, 0.78);
  --surface-secondary: rgba(25, 45, 60, 0.58);
}

/* Sunset / Golden Hour */
[data-theme="sunset"] {
  --bg-gradient-start: #1c1524;
  --bg-gradient-mid: #2c1a33;
  --bg-gradient-end: #100b17;
  --ambient-glow-1: rgba(249, 115, 22, 0.22);
  --ambient-glow-2: rgba(251, 191, 36, 0.18);
  --surface-primary: rgba(30, 22, 40, 0.78);
  --surface-secondary: rgba(42, 30, 56, 0.58);
}

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

html {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-gradient-end);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  background: radial-gradient(circle at 50% 0%, var(--bg-gradient-mid) 0%, var(--bg-gradient-start) 50%, var(--bg-gradient-end) 100%);
  background-attachment: fixed;
  transition: background var(--transition-slow);
}

/* --- Background Canvas & Ambient Aura --- */
.atmosphere-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  opacity: 0.85;
}

.ambient-glow {
  position: fixed;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(circle, var(--ambient-glow-1) 0%, var(--ambient-glow-2) 40%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
  transition: background var(--transition-slow);
}

/* --- Layout Container --- */
.app-container {
  position: relative;
  z-index: 1;
  max-width: 1320px;
  margin: 0 auto;
  padding: 1.5rem 1.75rem 3rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

/* --- Header --- */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 0.85rem 1.25rem;
  background: var(--surface-primary);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.header-left {
  display: flex;
  align-items: center;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: inherit;
}

.logo-orb {
  width: 38px;
  height: 38px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.orb-core {
  width: 20px;
  height: 20px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  border-radius: var(--radius-full);
  box-shadow: 0 0 14px rgba(56, 189, 248, 0.7);
  animation: orbPulse 4s ease-in-out infinite alternate;
}

.orb-ring {
  position: absolute;
  width: 36px;
  height: 36px;
  border: 2px dashed rgba(56, 189, 248, 0.45);
  border-radius: var(--radius-full);
  animation: orbRotate 16s linear infinite;
}

@keyframes orbPulse {
  0% { transform: scale(0.95); opacity: 0.85; }
  100% { transform: scale(1.1); opacity: 1; filter: drop-shadow(0 0 8px #38bdf8); }
}

@keyframes orbRotate {
  100% { transform: rotate(360deg); }
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.brand-highlight {
  color: var(--accent-cyan);
  margin-left: 2px;
}

.brand-tagline {
  font-size: 0.72rem;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 500;
}

/* --- Search Bar & Autocomplete --- */
.header-search {
  position: relative;
  flex: 1;
  max-width: 520px;
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.search-icon {
  position: absolute;
  left: 1.1rem;
  color: var(--text-tertiary);
  pointer-events: none;
  transition: color var(--transition-fast);
}

.search-input {
  width: 100%;
  height: 44px;
  padding: 0 2.75rem 0 3rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-primary);
  background: var(--surface-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  outline: none;
  transition: all var(--transition-normal);
}

.search-input::placeholder {
  color: var(--text-tertiary);
  font-weight: 400;
}

.search-input:focus {
  background: rgba(18, 30, 52, 0.95);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}

.search-input:focus ~ .search-icon {
  color: var(--accent-cyan);
}

.clear-search-btn {
  position: absolute;
  right: 1rem;
  background: transparent;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  border-radius: var(--radius-full);
  transition: color var(--transition-fast);
}

.clear-search-btn:hover {
  color: var(--text-primary);
}

.search-loader {
  position: absolute;
  right: 1.1rem;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-top-color: var(--accent-cyan);
  border-radius: var(--radius-full);
  animation: orbRotate 0.8s linear infinite;
}

/* Autocomplete Dropdown */
.search-suggestions-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: rgba(16, 26, 44, 0.96);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 0.5rem;
  z-index: 100;
  max-height: 340px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  animation: dropdownFadeIn 0.2s ease-out;
}

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

.suggestion-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-md);
  color: var(--text-primary);
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  width: 100%;
  font-family: var(--font-body);
  transition: background var(--transition-fast);
}

.suggestion-item:hover,
.suggestion-item.highlighted {
  background: rgba(56, 189, 248, 0.14);
}

.suggestion-item-main {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.suggestion-pin {
  color: var(--accent-cyan);
  font-size: 0.9rem;
}

.suggestion-city {
  font-weight: 600;
  font-size: 0.95rem;
}

.suggestion-admin {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.suggestion-country {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  color: var(--text-primary);
}

.no-results-msg {
  padding: 1rem;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.88rem;
}

/* --- Header Action Controls --- */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  height: 40px;
  padding: 0 1rem;
  background: var(--surface-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.btn-icon:hover {
  background: var(--surface-hover);
  border-color: var(--border-medium);
  transform: translateY(-1px);
}

.btn-icon:active {
  transform: translateY(0);
}

.refresh-btn {
  padding: 0;
  width: 40px;
  justify-content: center;
}

.refresh-btn.rotating svg {
  animation: orbRotate 0.7s linear infinite;
}

/* Unit Toggle Switch */
.unit-toggle {
  display: flex;
  background: var(--surface-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 3px;
}

.unit-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.unit-btn.active {
  background: var(--accent-cyan);
  color: var(--text-inverted);
  box-shadow: 0 2px 8px rgba(56, 189, 248, 0.4);
}

/* --- Favorites Toolbar --- */
.favorites-bar {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.6rem 1.1rem;
  background: rgba(15, 25, 42, 0.45);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  scrollbar-width: thin;
}

.favorites-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-amber);
  white-space: nowrap;
}

.favorites-list {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  overflow-x: auto;
  scrollbar-width: none;
}

.favorites-list::-webkit-scrollbar {
  display: none;
}

.fav-city-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.85rem;
  background: var(--surface-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.fav-city-pill:hover {
  background: var(--surface-hover);
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.fav-city-pill.active {
  background: rgba(56, 189, 248, 0.18);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  font-weight: 600;
}

.fav-temp {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  opacity: 0.85;
}

.favorite-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: transparent;
  border: 1px dashed var(--border-medium);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 500;
  padding: 0.35rem 0.85rem;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.favorite-toggle-btn:hover {
  border-color: var(--accent-amber);
  color: var(--accent-amber);
}

.favorite-toggle-btn.saved {
  border-style: solid;
  border-color: var(--accent-amber);
  background: rgba(251, 191, 36, 0.12);
  color: var(--accent-amber);
}

.favorite-toggle-btn.saved svg {
  fill: var(--accent-amber);
}

/* --- Alert Banner --- */
.alert-banner {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1.25rem;
  background: rgba(244, 63, 94, 0.15);
  border: 1px solid rgba(244, 63, 94, 0.35);
  border-radius: var(--radius-md);
  color: #fecdd3;
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.alert-content {
  flex: 1;
  font-size: 0.88rem;
}

.alert-close {
  background: transparent;
  border: none;
  color: #fecdd3;
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0 4px;
}

/* --- Hero Showcase Section --- */
.hero-forecast-section {
  width: 100%;
}

.hero-main-card {
  position: relative;
  background: var(--surface-primary);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2.25rem 2.5rem;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  gap: 1.75rem 2.5rem;
}

.hero-header-row {
  grid-column: 1 / -1;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.location-title-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.location-name {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #ffffff;
  line-height: 1.15;
}

.country-badge {
  font-size: 0.82rem;
  font-weight: 600;
  padding: 3px 8px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  color: var(--text-primary);
}

.local-timestamp {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-top: 0.35rem;
}

.condition-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 1.2rem;
  background: var(--surface-secondary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-full);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.condition-badge-icon {
  font-size: 1.35rem;
}

/* Primary Temperature & Highlights */
.hero-stats-row {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.5rem;
}

.primary-temp-block {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.temp-huge-wrapper {
  display: flex;
  align-items: flex-start;
  line-height: 0.9;
}

.temp-huge {
  font-family: var(--font-display);
  font-size: 6.2rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  color: #ffffff;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.temp-unit-sup {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 600;
  color: var(--accent-cyan);
  margin-top: 0.6rem;
  margin-left: 0.2rem;
}

.feels-like-block {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.05rem;
  color: var(--text-secondary);
}

.feels-like-block strong {
  color: var(--text-primary);
}

.bullet-separator {
  opacity: 0.4;
}

/* Mini Live Highlights */
.hero-mini-highlights {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
  max-width: 680px;
}

.mini-highlight-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--surface-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.mini-highlight-item:hover {
  background: var(--surface-hover);
  border-color: var(--border-medium);
  transform: translateY(-2px);
}

.mini-icon {
  font-size: 1.35rem;
}

.mini-data {
  display: flex;
  flex-direction: column;
}

.mini-label {
  font-size: 0.72rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 500;
}

.mini-val {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Sphere Visualizer Bubble */
.sphere-preview-container {
  display: flex;
  align-items: center;
  justify-content: center;
}

.sphere-glass-bubble {
  position: relative;
  width: 280px;
  height: 240px;
  background: radial-gradient(circle at 35% 30%, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.02) 60%, rgba(0, 0, 0, 0.3) 100%);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  box-shadow: inset 0 2px 6px rgba(255, 255, 255, 0.15), var(--shadow-md);
  overflow: hidden;
}

.sphere-atmosphere-orb {
  width: 110px;
  height: 110px;
  border-radius: var(--radius-full);
  position: relative;
  background: radial-gradient(circle at 30% 30%, #60a5fa 0%, #1e40af 60%, #0f172a 100%);
  box-shadow: 0 0 35px rgba(59, 130, 246, 0.5), inset -8px -8px 20px rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.5rem;
}

.orb-cloud-layer {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-full);
  background: radial-gradient(circle at 50% 60%, rgba(255, 255, 255, 0.4) 0%, transparent 60%);
  filter: blur(4px);
  animation: cloudDrift 10s ease-in-out infinite alternate;
}

.orb-cloud-layer.layer-2 {
  background: radial-gradient(circle at 70% 30%, rgba(255, 255, 255, 0.35) 0%, transparent 50%);
  animation: cloudDrift 14s ease-in-out infinite alternate-reverse;
}

.orb-glow-core {
  position: absolute;
  width: 30px;
  height: 30px;
  background: #ffd15c;
  border-radius: var(--radius-full);
  filter: blur(8px);
  opacity: 0.6;
}

@keyframes cloudDrift {
  0% { transform: translate(-4px, -3px) scale(0.95); }
  100% { transform: translate(5px, 4px) scale(1.05); }
}

.sphere-caption {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sphere-caption-title {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-cyan);
}

.sphere-caption-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* --- Common Section Containers --- */
.section-container {
  background: var(--surface-primary);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 1.5rem 1.75rem;
  box-shadow: var(--shadow-md);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.section-title-group {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.section-icon {
  color: var(--accent-cyan);
}

.section-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.section-subtitle {
  font-size: 0.82rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* --- Hourly Forecast Section & SVG/Canvas Curve --- */
.hourly-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.chart-legend-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
}

.temp-dot {
  background: var(--accent-amber);
}

.rain-dot {
  background: var(--accent-cyan);
}

.hourly-chart-wrapper {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.hourly-canvas-container {
  width: 100%;
  height: 140px;
  position: relative;
}

#hourlyCurveCanvas {
  width: 100%;
  height: 100%;
  display: block;
}

.hourly-track {
  display: flex;
  align-items: stretch;
  gap: 0.75rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scrollbar-width: thin;
}

.hourly-track::-webkit-scrollbar {
  height: 6px;
}

.hourly-track::-webkit-scrollbar-thumb {
  background: var(--surface-hover);
  border-radius: 4px;
}

.hourly-card {
  flex: 0 0 92px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0.5rem;
  background: var(--surface-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  text-align: center;
  transition: all var(--transition-fast);
}

.hourly-card:hover,
.hourly-card.now-card {
  background: var(--surface-hover);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

.hourly-card.now-card {
  border-color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.12);
}

.hourly-time {
  font-size: 0.82rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.hourly-icon {
  font-size: 1.5rem;
  margin: 0.4rem 0;
}

.hourly-temp {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.hourly-rain {
  display: flex;
  align-items: center;
  gap: 3px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-cyan);
  margin-top: 0.3rem;
}

/* --- Dashboard Grid Layout (7-Day vs Highlights) --- */
.dashboard-grid-layout {
  display: grid;
  grid-template-columns: 390px 1fr;
  gap: 1.75rem;
  align-items: start;
}

/* --- 7-Day Extended Forecast Column --- */
.daily-forecast-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.daily-row-item {
  display: grid;
  grid-template-columns: 85px 40px 1fr 95px;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  background: var(--surface-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.daily-row-item:hover {
  background: var(--surface-hover);
  border-color: var(--border-medium);
  transform: translateX(3px);
}

.daily-day-label {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text-primary);
}

.daily-day-label.today {
  color: var(--accent-cyan);
}

.daily-icon-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
}

.daily-temp-bar-container {
  display: flex;
  align-items: center;
  position: relative;
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  overflow: hidden;
}

.daily-temp-bar-fill {
  position: absolute;
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, #38bdf8 0%, #fbbf24 60%, #f97316 100%);
}

.daily-temps-text {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.daily-min {
  color: var(--text-secondary);
}

.daily-max {
  font-weight: 600;
  color: var(--text-primary);
}

/* --- Atmospheric Telemetry Cards Grid --- */
.telemetry-live-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-emerald);
  padding: 4px 10px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-full);
}

.pulse-dot {
  width: 6px;
  height: 6px;
  background: var(--accent-emerald);
  border-radius: var(--radius-full);
  box-shadow: 0 0 8px var(--accent-emerald);
  animation: orbPulse 1.5s infinite alternate;
}

.telemetry-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.telemetry-card {
  background: var(--surface-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.35rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
  transition: all var(--transition-fast);
}

.telemetry-card:hover {
  background: var(--surface-hover);
  border-color: var(--border-medium);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.card-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-icon {
  font-size: 1.15rem;
}

.card-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Status Pills */
.status-pill {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  text-transform: capitalize;
}

.pill-good {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.pill-moderate {
  background: rgba(251, 191, 36, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(251, 191, 36, 0.3);
}

.pill-warning {
  background: rgba(249, 115, 22, 0.15);
  color: #fb923c;
  border: 1px solid rgba(249, 115, 22, 0.3);
}

.pill-danger {
  background: rgba(244, 63, 94, 0.15);
  color: #f87171;
  border: 1px solid rgba(244, 63, 94, 0.3);
}

.pill-neutral {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

/* Card Body Metric Typography */
.card-body {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.metric-huge {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #ffffff;
  line-height: 1;
}

.metric-scale,
.metric-unit {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-left: 4px;
}

.uv-metric-display,
.aqi-metric-display,
.single-metric-block {
  display: flex;
  align-items: baseline;
}

/* Progress Bar Tracks */
.progress-bar-track {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.uv-fill {
  background: linear-gradient(90deg, #34d399 0%, #fbbf24 50%, #f43f5e 100%);
}

.aqi-fill {
  background: linear-gradient(90deg, #10b981 0%, #f59e0b 50%, #ef4444 100%);
}

.humidity-fill {
  background: linear-gradient(90deg, #38bdf8, #3b82f6);
}

.card-helper-text {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Pollutants Breakdown */
.pollutants-breakdown {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  padding-top: 0.4rem;
  border-top: 1px solid var(--border-subtle);
}

.pollutant-item {
  display: flex;
  flex-direction: column;
}

.p-name {
  font-size: 0.7rem;
  color: var(--text-tertiary);
  font-weight: 500;
}

.pollutant-item strong {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-primary);
}

/* Solar Card */
.solar-card-body {
  gap: 0.4rem;
}

.solar-arc-svg-wrap {
  width: 100%;
  height: 70px;
}

.solar-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.solar-times-row {
  display: flex;
  justify-content: space-between;
  padding-top: 0.25rem;
}

.solar-time-item {
  display: flex;
  flex-direction: column;
}

.solar-label {
  font-size: 0.72rem;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.solar-time-item strong {
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.text-right {
  text-align: right;
}

/* Wind Compass */
.wind-card-body {
  flex-direction: row;
  align-items: center;
  gap: 1.25rem;
}

.wind-compass-wrapper {
  width: 80px;
  height: 80px;
  flex-shrink: 0;
}

.compass-ring {
  width: 100%;
  height: 100%;
  position: relative;
  border: 2px solid var(--border-medium);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.02);
}

.compass-n, .compass-e, .compass-s, .compass-w {
  position: absolute;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-tertiary);
}

.compass-n { top: 4px; color: var(--accent-rose); }
.compass-e { right: 5px; }
.compass-s { bottom: 4px; }
.compass-w { left: 5px; }

.compass-needle {
  width: 4px;
  height: 56px;
  position: relative;
  transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.needle-pointer {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-bottom: 24px solid var(--accent-cyan);
  filter: drop-shadow(0 0 4px rgba(56, 189, 248, 0.8));
}

.wind-readouts {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.wind-speed-large {
  display: flex;
  align-items: baseline;
}

.wind-subdetails {
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.wind-subdetails strong {
  color: var(--text-primary);
  font-family: var(--font-mono);
}

/* Dual Metric Layout */
.dual-metric-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.sub-label {
  font-size: 0.72rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  font-weight: 500;
}

.metric-wrap {
  display: flex;
  align-items: baseline;
  margin-top: 2px;
}

/* Lifestyle Advisor */
.advisor-card {
  grid-column: 1 / -1;
}

.lifestyle-chips-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
}

.lifestyle-chip {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  background: var(--surface-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

.chip-icon {
  font-size: 1.35rem;
}

.chip-info {
  display: flex;
  flex-direction: column;
}

.chip-label {
  font-size: 0.72rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.chip-val {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* --- Atmospheric Radar & Cloud Simulation Section --- */
.radar-layer-toggles {
  display: flex;
  gap: 0.5rem;
}

.radar-layer-btn {
  background: var(--surface-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.4rem 0.9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.radar-layer-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.radar-layer-btn.active {
  background: rgba(56, 189, 248, 0.18);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  font-weight: 600;
}

.radar-viewport {
  position: relative;
  width: 100%;
  height: 260px;
  background: radial-gradient(circle at 50% 50%, #0d1a2d 0%, #060c16 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

#radarCanvas {
  width: 100%;
  height: 100%;
  display: block;
}

.radar-overlay-info {
  position: absolute;
  inset: 0;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.1rem;
}

.radar-center-marker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-primary);
  width: fit-content;
}

.pulse-ring {
  width: 8px;
  height: 8px;
  background: var(--accent-cyan);
  border-radius: var(--radius-full);
  box-shadow: 0 0 10px var(--accent-cyan);
}

.radar-intensity-scale {
  align-self: flex-end;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
}

.scale-label {
  font-size: 0.7rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.intensity-bar {
  width: 90px;
  height: 6px;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, #38bdf8, #10b981, #fbbf24, #ef4444);
}

/* --- Footer --- */
.app-footer {
  margin-top: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.footer-brand {
  max-width: 380px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.footer-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.footer-links {
  display: flex;
  gap: 3.5rem;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.footer-heading {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-cyan);
  margin-bottom: 0.25rem;
}

.footer-item {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.footer-bottom {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-tertiary);
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

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

/* --- Responsive Breakpoints --- */
@media (max-width: 1080px) {
  .dashboard-grid-layout {
    grid-template-columns: 1fr;
  }

  .hero-main-card {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .sphere-preview-container {
    display: none;
  }

  .hero-mini-highlights {
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .app-container {
    padding: 1rem 1rem 2.5rem;
    gap: 1.25rem;
  }

  .app-header {
    flex-wrap: wrap;
    padding: 1rem;
    border-radius: var(--radius-lg);
  }

  .header-search {
    order: 3;
    max-width: 100%;
    width: 100%;
    margin-top: 0.5rem;
  }

  .hero-main-card {
    padding: 1.5rem;
    border-radius: var(--radius-lg);
  }

  .location-name {
    font-size: 1.8rem;
  }

  .temp-huge {
    font-size: 4.5rem;
  }

  .temp-unit-sup {
    font-size: 1.6rem;
  }

  .hero-mini-highlights {
    grid-template-columns: repeat(2, 1fr);
  }

  .telemetry-cards-grid {
    grid-template-columns: 1fr;
  }

  .lifestyle-chips-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .btn-text {
    display: none;
  }

  .btn-icon {
    padding: 0;
    width: 40px;
    justify-content: center;
  }

  .footer-links {
    gap: 1.5rem;
  }
}

@media (max-width: 480px) {
  .hero-mini-highlights {
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }

  .daily-row-item {
    grid-template-columns: 65px 30px 1fr 80px;
    gap: 0.4rem;
    padding: 0.75rem 0.6rem;
  }

  .lifestyle-chips-grid {
    grid-template-columns: 1fr;
  }

  .radar-layer-toggles {
    display: none;
  }
}