@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Geist:wght@300;400;500;600;700&display=swap');

/* ── Design Tokens ── */
:root {
  /* Colors — backgrounds */
  --bg-canvas: #050714;
  --bg-canvas-grad: radial-gradient(circle at 20% 20%, #1a1f3a 0%, #0a0e1f 60%, #050714 100%);
  --bg-device: linear-gradient(180deg, #0f172a 0%, #1e293b 25%, #334155 60%, #475569 100%);

  /* Colors — glass */
  --glass-bg: rgba(255,255,255,0.06);
  --glass-bg-hover: rgba(255,255,255,0.10);
  --glass-bg-active: rgba(255,255,255,0.14);
  --glass-border: rgba(255,255,255,0.10);
  --glass-border-hover: rgba(255,255,255,0.18);
  --glass-blur: blur(30px);
  --glass-shadow: 0 8px 32px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.08);

  /* Colors — accents */
  --amber-400: #fbbf24;
  --amber-300: #fcd34d;
  --amber-100: #fef3c7;
  --amber-50: #fef9c3;
  --indigo-500: #6366f1;
  --indigo-400: #818cf8;
  --purple-500: #a855f7;
  --green-400: #4ade80;
  --red-400: #f87171;
  --red-500: #ef4444;

  /* Colors — text */
  --text-100: rgba(255,255,255,1);
  --text-85: rgba(255,255,255,0.85);
  --text-70: rgba(255,255,255,0.70);
  --text-55: rgba(255,255,255,0.55);
  --text-40: rgba(255,255,255,0.40);

  /* Typography */
  --font-serif: 'Instrument Serif', serif;
  --font-sans: 'Geist', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing (4px base) */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-8: 32px;

  /* Radii */
  --r-card: 18px;
  --r-container: 28px;
  --r-device: 44px;
  --r-pill: 999px;

  /* Shadows */
  --shadow-device: 0 0 0 1px rgba(255,255,255,0.06), 0 30px 80px rgba(0,0,0,0.5), 0 0 120px rgba(99,102,241,0.15);

  /* Motion */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out-cubic: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;
}

/* ── Base Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  background: var(--bg-canvas-grad);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  color: var(--text-100);
  -webkit-font-smoothing: antialiased;
}
::-webkit-scrollbar { display: none; }

/* ── Desktop Canvas & Device Frame ── */
.desktop-canvas {
  width: 1440px;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 40px 20px;
}
.device-frame {
  width: 390px;
  min-height: 844px;
  background: var(--bg-device);
  border-radius: var(--r-device);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-device);
}

/* ── Aurora Backdrop ── */
.aurora {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  border-radius: var(--r-device);
  z-index: 0;
}
.aurora::before, .aurora::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.45;
}
.aurora::before {
  background: radial-gradient(circle, var(--amber-400) 0%, transparent 70%);
  top: -100px;
  right: -120px;
}
.aurora::after {
  background: radial-gradient(circle, var(--indigo-500) 0%, transparent 70%);
  bottom: 200px;
  left: -150px;
  opacity: 0.35;
}

/* ── Screen Content Container ── */
.screen-content {
  position: relative;
  z-index: 2;
  min-height: 844px;
  display: flex;
  flex-direction: column;
}

/* ── Status Bar ── */
.status-bar {
  height: 50px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 28px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-100);
  flex-shrink: 0;
}
.status-icons { display: flex; gap: 6px; align-items: center; }
.status-icons svg { width: 16px; height: 16px; fill: white; stroke: none; }

/* ── App Header ── */
.app-header {
  padding: var(--sp-2) var(--sp-6) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  position: relative;
}
.brand-name {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--text-100);
}
.brand-name em { font-style: italic; color: var(--amber-300); }
.header-actions { display: flex; gap: 10px; }
.glass-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-100);
  cursor: pointer;
  transition: all var(--duration-fast) ease;
}
.glass-btn:hover { background: var(--glass-bg-hover); border-color: var(--glass-border-hover); }
.glass-btn:active { transform: scale(0.95); background: var(--glass-bg-active); }
.glass-btn svg { width: 16px; height: 16px; }

.back-btn {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  background: none;
  border: none;
  color: var(--text-70);
  font-family: var(--font-sans);
  font-size: 14px;
  cursor: pointer;
  padding: 0;
  transition: color var(--duration-fast);
}
.back-btn:hover { color: var(--text-100); }
.back-btn svg { width: 18px; height: 18px; }

/* ── Dropdown ── */
.dropdown-panel {
  position: absolute;
  top: 52px;
  right: var(--sp-6);
  min-width: 160px;
  background: rgba(30,41,59,0.95);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-card);
  padding: var(--sp-2);
  z-index: 100;
  display: none;
  animation: scaleIn var(--duration-normal) var(--ease-out-expo);
}
.dropdown-panel.open { display: block; }
.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-4);
  border-radius: 12px;
  color: var(--text-85);
  font-size: 14px;
  cursor: pointer;
  transition: background var(--duration-fast);
}
.dropdown-item:hover { background: rgba(255,255,255,0.08); }
.dropdown-item svg { width: 16px; height: 16px; }
.dropdown-item.danger { color: var(--red-400); }

/* ── Location Block ── */
.location-block { padding: var(--sp-5) var(--sp-6) 0; }
.location-row {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 13px;
  color: var(--text-70);
  font-weight: 500;
  margin-bottom: var(--sp-1);
}
.location-row svg { width: 13px; height: 13px; }
.live-dot {
  width: 6px;
  height: 6px;
  background: var(--green-400);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--green-400);
}
.city-name {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--text-100);
}
.city-meta {
  font-size: 12px;
  color: var(--text-55);
  margin-top: 2px;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}
.cached-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  background: rgba(251,191,36,0.15);
  border: 1px solid rgba(251,191,36,0.3);
  border-radius: var(--r-pill);
  font-size: 10px;
  color: var(--amber-300);
  font-weight: 500;
}

/* ── Hero Temperature ── */
.hero {
  padding: var(--sp-8) var(--sp-6) var(--sp-6);
  position: relative;
}
.sun-illust {
  position: absolute;
  top: 8px;
  right: 24px;
  width: 92px;
  height: 92px;
  background: radial-gradient(circle at 35% 35%, var(--amber-100) 0%, var(--amber-300) 40%, var(--amber-400) 70%, transparent 100%);
  border-radius: 50%;
  filter: blur(1px);
  box-shadow: 0 0 60px rgba(252,211,77,0.5);
}
.sun-illust::before {
  content: '';
  position: absolute;
  inset: 18px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--amber-50) 0%, var(--amber-400) 100%);
}
.temp-display {
  font-family: var(--font-serif);
  font-size: 144px;
  font-weight: 400;
  line-height: 0.9;
  letter-spacing: -0.06em;
  color: var(--text-100);
  position: relative;
  display: inline-flex;
  align-items: flex-start;
}
.temp-display .unit {
  font-size: 40px;
  margin-top: 18px;
  margin-left: 2px;
  color: var(--text-55);
  font-style: italic;
}
.condition-line {
  margin-top: 6px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 400;
  color: var(--text-100);
}

/* ── Metrics Section ── */
.metrics-wrap {
  margin: var(--sp-2) var(--sp-4) 0;
  padding: var(--sp-4);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-container);
  box-shadow: var(--glass-shadow);
}
.metric-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  padding: 0 var(--sp-1);
}
.metric-header-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-55);
  font-weight: 500;
}
.metric-header-time {
  font-size: 11px;
  color: var(--text-55);
  display: flex;
  align-items: center;
  gap: 4px;
}
.metric-header-time svg { width: 11px; height: 11px; }

.metric-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.m-card {
  padding: var(--sp-4);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--r-card);
  position: relative;
  overflow: hidden;
}
.m-card.featured {
  background: linear-gradient(135deg, rgba(99,102,241,0.25) 0%, rgba(168,85,247,0.15) 100%);
  border-color: rgba(165,180,252,0.3);
}
.m-label {
  font-size: 11px;
  color: var(--text-55);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: var(--sp-3);
}
.m-label svg { width: 13px; height: 13px; }
.m-value {
  font-family: var(--font-serif);
  font-size: 34px;
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--text-100);
}
.m-value .u {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--text-55);
  font-weight: 400;
  margin-left: 4px;
  letter-spacing: 0;
}
.m-sub {
  margin-top: var(--sp-2);
  font-size: 11px;
  color: var(--text-55);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Wind bars */
.wind-bars {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  margin-top: 10px;
  height: 14px;
}
.wind-bars span {
  width: 3px;
  background: var(--text-40);
  border-radius: 2px;
}
.wind-bars span:nth-child(1) { height: 30%; background: var(--amber-300); }
.wind-bars span:nth-child(2) { height: 55%; background: var(--amber-300); }
.wind-bars span:nth-child(3) { height: 80%; background: var(--amber-300); }
.wind-bars span:nth-child(4) { height: 60%; }
.wind-bars span:nth-child(5) { height: 40%; }

/* Compass indicator */
.compass-indicator {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.25);
  position: relative;
  display: inline-block;
  flex-shrink: 0;
}
.compass-indicator::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 50%;
  width: 1.5px;
  height: 5px;
  background: var(--amber-300);
  transform-origin: center 6px;
  transform: translateX(-50%) rotate(var(--rotate, 45deg));
}

/* Compass rose for wind direction card */
.compass-rose {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.15);
  position: relative;
  margin-top: var(--sp-2);
}
.compass-rose::before {
  content: 'N';
  position: absolute;
  top: -2px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 7px;
  color: var(--text-40);
  font-weight: 600;
}
.compass-rose .needle {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 2px;
  height: 16px;
  background: linear-gradient(to bottom, var(--amber-300) 50%, var(--text-40) 50%);
  border-radius: 1px;
  transform-origin: center top;
}
.compass-rose .center-dot {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 4px;
  height: 4px;
  background: var(--text-100);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
}

/* ── Refresh Row ── */
.refresh-row {
  margin: var(--sp-4) var(--sp-6) 0;
  padding: 14px var(--sp-4);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--r-card);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.refresh-text {
  font-size: 12px;
  color: var(--text-70);
}
.refresh-text strong { color: var(--text-100); font-weight: 500; }
.refresh-cta {
  padding: var(--sp-2) 14px;
  background: white;
  color: #0f172a;
  border: none;
  border-radius: var(--r-pill);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: transform var(--duration-fast), opacity var(--duration-fast);
}
.refresh-cta:hover { opacity: 0.9; }
.refresh-cta:active { transform: scale(0.95); }
.refresh-cta svg { width: 11px; height: 11px; stroke: #0f172a; }
.refresh-cta.loading { opacity: 0.7; pointer-events: none; }
.refresh-cta.loading svg { animation: spin 0.8s linear infinite; }

/* ── Credit / Attribution ── */
.credit {
  padding: 22px var(--sp-6) var(--sp-4);
  text-align: center;
  font-size: 10px;
  color: var(--text-40);
  letter-spacing: 0.04em;
}

/* ── Home Indicator ── */
.home-indicator {
  width: 134px;
  height: 5px;
  background: var(--text-40);
  border-radius: 3px;
  margin: 0 auto 10px;
  flex-shrink: 0;
}

/* ── Inline Error Banner ── */
.inline-error-banner {
  margin: var(--sp-2) var(--sp-6) 0;
  padding: var(--sp-3) var(--sp-4);
  background: rgba(239,68,68,0.12);
  border: 1px solid rgba(239,68,68,0.25);
  border-radius: var(--r-card);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  animation: slideDown var(--duration-normal) var(--ease-out-expo);
}
.inline-error-banner .error-icon {
  color: var(--red-400);
  flex-shrink: 0;
}
.inline-error-banner .error-text {
  flex: 1;
  font-size: 12px;
  color: var(--text-85);
}
.inline-error-banner .error-retry-btn {
  padding: 6px 12px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--r-pill);
  color: var(--text-100);
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--duration-fast);
}
.inline-error-banner .error-retry-btn:hover { background: rgba(255,255,255,0.15); }

/* ── Offline Banner ── */
.offline-banner {
  margin: 0 var(--sp-6);
  padding: var(--sp-2) var(--sp-4);
  background: rgba(251,191,36,0.12);
  border: 1px solid rgba(251,191,36,0.25);
  border-radius: var(--r-card);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 12px;
  color: var(--amber-300);
  animation: slideDown var(--duration-normal) var(--ease-out-expo);
}
.offline-banner svg { width: 14px; height: 14px; flex-shrink: 0; }

/* ── Toast ── */
.toast-container {
  position: absolute;
  top: 56px;
  left: var(--sp-4);
  right: var(--sp-4);
  z-index: 200;
  pointer-events: none;
}
.toast {
  padding: var(--sp-3) var(--sp-4);
  background: rgba(30,41,59,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-card);
  font-size: 13px;
  color: var(--text-85);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  animation: slideDown var(--duration-normal) var(--ease-out-expo);
  pointer-events: auto;
}
.toast.success { border-color: rgba(74,222,128,0.3); }
.toast.success .toast-dot { background: var(--green-400); }
.toast.error { border-color: rgba(248,113,113,0.3); }
.toast.error .toast-dot { background: var(--red-400); }
.toast.info .toast-dot { background: var(--amber-300); }
.toast-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}
.toast.fade-out { animation: fadeOut var(--duration-normal) var(--ease-in-out-cubic) forwards; }

/* ── Modal ── */
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 150;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-device);
  animation: fadeIn var(--duration-fast) ease;
}
.modal-card {
  width: 300px;
  background: rgba(30,41,59,0.98);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-container);
  padding: var(--sp-6);
  text-align: center;
  animation: scaleIn var(--duration-normal) var(--ease-out-expo);
}
.modal-card h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  color: var(--text-100);
  margin-bottom: var(--sp-2);
}
.modal-card p {
  font-size: 13px;
  color: var(--text-70);
  line-height: 1.5;
  margin-bottom: var(--sp-5);
}
.modal-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.modal-btn {
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--r-pill);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: transform var(--duration-fast), opacity var(--duration-fast);
}
.modal-btn:active { transform: scale(0.97); }
.modal-btn.primary {
  background: var(--indigo-500);
  color: white;
}
.modal-btn.primary:hover { opacity: 0.9; }
.modal-btn.secondary {
  background: rgba(255,255,255,0.08);
  color: var(--text-85);
  border: 1px solid var(--glass-border);
}
.modal-btn.secondary:hover { background: rgba(255,255,255,0.12); }

/* ── Login Screen ── */
.login-screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--sp-6);
  text-align: center;
}
.login-title {
  font-family: var(--font-serif);
  font-size: 32px;
  color: var(--text-100);
  margin-bottom: var(--sp-1);
}
.login-title em { font-style: italic; color: var(--amber-300); }
.login-subtitle {
  font-size: 14px;
  color: var(--text-55);
  margin-bottom: var(--sp-8);
}
.user-card {
  width: 100%;
  padding: var(--sp-4) var(--sp-5);
  background: var(--glass-bg);
  border: 2px solid transparent;
  border-radius: var(--r-card);
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out-expo);
}
.user-card:hover { background: var(--glass-bg-hover); }
.user-card.selected {
  border-color: var(--indigo-400);
  background: rgba(99,102,241,0.12);
  box-shadow: 0 0 20px rgba(99,102,241,0.2);
}
.user-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-70);
  flex-shrink: 0;
  overflow: hidden;
}
.user-avatar svg { width: 24px; height: 24px; }
.user-info { text-align: left; }
.user-name {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-100);
}
.user-role {
  font-size: 12px;
  color: var(--text-55);
  margin-top: 2px;
}
.role-badge {
  display: inline-block;
  padding: 2px 8px;
  background: rgba(99,102,241,0.15);
  border: 1px solid rgba(99,102,241,0.25);
  border-radius: var(--r-pill);
  font-size: 10px;
  color: var(--indigo-400);
  font-weight: 500;
  margin-top: 4px;
}
.launch-btn {
  width: 100%;
  margin-top: var(--sp-6);
  padding: var(--sp-4);
  background: var(--indigo-500);
  color: white;
  border: none;
  border-radius: var(--r-pill);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  opacity: 0.4;
  pointer-events: none;
  transition: all var(--duration-normal) var(--ease-out-expo);
}
.launch-btn.enabled {
  opacity: 1;
  pointer-events: auto;
}
.launch-btn.enabled:hover { opacity: 0.9; }
.launch-btn.enabled:active { transform: scale(0.98); }

/* ── Permission Screens ── */
.permission-screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--sp-6);
  text-align: center;
}
.permission-illustration {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: rgba(99,102,241,0.12);
  border: 1px solid rgba(99,102,241,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--indigo-400);
  margin-bottom: var(--sp-6);
  animation: pulse 3s ease-in-out infinite;
}
.permission-illustration.warning {
  background: rgba(248,113,113,0.12);
  border-color: rgba(248,113,113,0.2);
  color: var(--red-400);
}
.permission-illustration svg { width: 40px; height: 40px; }
.permission-title {
  font-family: var(--font-serif);
  font-size: 24px;
  color: var(--text-100);
  margin-bottom: var(--sp-3);
}
.permission-body {
  font-size: 14px;
  color: var(--text-55);
  line-height: 1.6;
  margin-bottom: var(--sp-8);
  max-width: 300px;
}
.permission-btn {
  width: 100%;
  padding: var(--sp-4);
  border-radius: var(--r-pill);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--duration-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
}
.permission-btn:active { transform: scale(0.98); }
.permission-btn.primary {
  background: var(--indigo-500);
  color: white;
}
.permission-btn.primary:hover { opacity: 0.9; }
.permission-btn.secondary {
  background: rgba(255,255,255,0.08);
  color: var(--text-85);
  border: 1px solid var(--glass-border);
  margin-top: var(--sp-3);
}
.permission-btn.secondary:hover { background: rgba(255,255,255,0.12); }

/* ── Error Screen ── */
.error-screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--sp-6);
  padding-top: var(--sp-8);
  text-align: center;
}
.error-illustration {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(248,113,113,0.12);
  border: 1px solid rgba(248,113,113,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--red-400);
  margin-bottom: var(--sp-5);
  animation: shake 0.5s ease-in-out;
}
.error-illustration svg { width: 32px; height: 32px; }
.error-title {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--text-100);
  margin-bottom: var(--sp-2);
}
.error-body {
  font-size: 13px;
  color: var(--text-55);
  line-height: 1.5;
  margin-bottom: var(--sp-6);
  max-width: 280px;
}
.retry-info {
  font-size: 11px;
  color: var(--text-40);
  margin-bottom: var(--sp-4);
}
.error-retry-btn-main {
  padding: var(--sp-3) var(--sp-8);
  background: var(--indigo-500);
  color: white;
  border: none;
  border-radius: var(--r-pill);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  transition: all var(--duration-fast);
}
.error-retry-btn-main:hover { opacity: 0.9; }
.error-retry-btn-main:active { transform: scale(0.97); }
.error-retry-btn-main.loading { opacity: 0.7; pointer-events: none; }

/* Cached data card on error screen */
.cached-data-card {
  width: 100%;
  margin-top: var(--sp-6);
  padding: var(--sp-4);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-card);
  text-align: left;
}
.cached-data-header {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-40);
  margin-bottom: var(--sp-3);
}
.cached-data-values {
  display: flex;
  gap: var(--sp-4);
  margin-bottom: var(--sp-3);
}
.cached-data-values .cd-item {
  display: flex;
  flex-direction: column;
}
.cached-data-values .cd-value {
  font-family: var(--font-serif);
  font-size: 24px;
  color: var(--text-85);
}
.cached-data-values .cd-label {
  font-size: 10px;
  color: var(--text-40);
  margin-top: 2px;
}
.cached-data-time {
  font-size: 11px;
  color: var(--text-40);
}
.view-cached-link {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  margin-top: var(--sp-3);
  font-size: 12px;
  color: var(--indigo-400);
  cursor: pointer;
  transition: color var(--duration-fast);
}
.view-cached-link:hover { color: var(--text-100); }

/* ── Empty State ── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--sp-8);
}
.empty-state-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-40);
  margin-bottom: var(--sp-5);
}
.empty-state-icon svg { width: 28px; height: 28px; }
.empty-state-title {
  font-family: var(--font-serif);
  font-size: 20px;
  color: var(--text-85);
  margin-bottom: var(--sp-2);
}
.empty-state-subtitle {
  font-size: 13px;
  color: var(--text-40);
  line-height: 1.5;
}

/* ── Skeleton / Loading ── */
.skeleton-screen { padding: 0; }
.skeleton-block {
  background: linear-gradient(90deg, rgba(255,255,255,0.04) 25%, rgba(255,255,255,0.08) 50%, rgba(255,255,255,0.04) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--r-card);
}
.skeleton-temp { width: 180px; height: 120px; margin: var(--sp-8) var(--sp-6); border-radius: 12px; }
.skeleton-location { width: 140px; height: 20px; margin: var(--sp-2) var(--sp-6); }
.skeleton-city { width: 180px; height: 32px; margin: var(--sp-1) var(--sp-6); }
.skeleton-metrics {
  margin: var(--sp-4) var(--sp-4);
  padding: var(--sp-4);
  border-radius: var(--r-container);
}
.skeleton-metric-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.skeleton-card { height: 110px; border-radius: var(--r-card); }

.loading-spinner {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.loading-spinner svg {
  animation: spin 0.8s linear infinite;
}

/* ── Keyframes ── */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-12px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes pulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(99,102,241,0.2); }
  50% { transform: scale(1.03); box-shadow: 0 0 20px rgba(99,102,241,0.15); }
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  15% { transform: translateX(-6px); }
  30% { transform: translateX(5px); }
  45% { transform: translateX(-4px); }
  60% { transform: translateX(3px); }
  75% { transform: translateX(-1px); }
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Stagger Orchestration ── */
.stagger-children > * {
  opacity: 0;
  animation: slideUp var(--duration-slow) var(--ease-out-expo) forwards;
}
.stagger-children > *:nth-child(1) { animation-delay: 0ms; }
.stagger-children > *:nth-child(2) { animation-delay: 80ms; }
.stagger-children > *:nth-child(3) { animation-delay: 160ms; }
.stagger-children > *:nth-child(4) { animation-delay: 240ms; }
.stagger-children > *:nth-child(5) { animation-delay: 320ms; }
.stagger-children > *:nth-child(6) { animation-delay: 400ms; }
.stagger-children > *:nth-child(7) { animation-delay: 480ms; }
.stagger-children > *:nth-child(8) { animation-delay: 560ms; }
.stagger-children > *:nth-child(9) { animation-delay: 640ms; }
.stagger-children > *:nth-child(10) { animation-delay: 720ms; }
.stagger-children > *:nth-child(11) { animation-delay: 800ms; }
.stagger-children > *:nth-child(12) { animation-delay: 880ms; }

/* Scale-in for metric cards */
.scale-in {
  animation: scaleIn var(--duration-normal) var(--ease-out-expo) forwards;
}