/* ===== MeteoPerito Design System ===== */

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

:root {
  --bg-primary: #0f1117;
  --bg-secondary: #1a1d2e;
  --bg-card: #1e2235;
  --bg-card-hover: #252a42;
  --bg-input: #161929;
  --border-color: #2a2f45;
  --border-focus: #4f8cff;
  --text-primary: #e8eaf0;
  --text-secondary: #9ca3b8;
  --text-muted: #6b7280;
  --accent: #4f8cff;
  --accent-glow: rgba(79, 140, 255, 0.15);
  --green: #22c55e;
  --yellow: #f59e0b;
  --orange: #f97316;
  --red: #ef4444;
  --red-dark: #dc2626;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-xs: 6px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
  --transition: 0.2s ease;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

html {
  font-size: 15px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
  overflow-x: hidden;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* --- App Layout --- */
.app {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px;
  padding-bottom: calc(16px + env(safe-area-inset-bottom));
}

/* --- Header --- */
.header {
  padding: 32px 0 24px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 32px;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-icon {
  font-size: 2.2rem;
  filter: drop-shadow(0 0 8px rgba(79, 140, 255, 0.4));
}

.logo h1 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #e8eaf0, #4f8cff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tagline {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 400;
  margin-top: 2px;
}

.header-tools {
  display: flex;
  flex-direction: row;
  align-items: flex-end;
  gap: 8px;
}

.lang-select {
  min-width: 56px;
  padding: 4px 6px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xs);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 1rem;
  text-align: center;
}

/* --- Intro --- */
.app-intro {
  margin-bottom: 20px;
  padding: 14px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(79, 140, 255, 0.08), rgba(30, 34, 53, 0.6));
  color: var(--text-secondary);
  font-size: 0.84rem;
  line-height: 1.55;
}

.app-intro p + p {
  margin-top: 8px;
}

.app-intro-dev {
  color: var(--text-primary);
}

/* --- Beta Banner --- */
.beta-banner {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.12), rgba(249, 115, 22, 0.10));
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  animation: slideDown 0.4s ease;
  overflow: hidden;
}

.beta-banner.hidden {
  display: none;
}

.beta-banner-content {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  font-size: 0.84rem;
  color: #fbbf24;
}

.beta-badge {
  display: inline-block;
  background: linear-gradient(135deg, #f59e0b, #f97316);
  color: #1a1d2e;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: 20px;
  flex-shrink: 0;
  text-transform: uppercase;
}

.beta-close {
  margin-left: auto;
  background: none;
  border: none;
  color: #fbbf24;
  font-size: 1.3rem;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
  opacity: 0.6;
  transition: opacity var(--transition);
  flex-shrink: 0;
}

.beta-close:hover {
  opacity: 1;
}

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

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Form Section --- */
.form-section {
  margin-bottom: 32px;
}

.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.form-title {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.form-subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 20px;
  margin-bottom: 24px;
}

.form-grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 2fr;
  gap: 20px;
  margin-bottom: 24px;
}

@media (max-width: 640px) {

  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-grid-3 {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 14px;
  }

  .form-grid-3 .form-group:last-child {
    grid-column: 1 / -1;
  }
}

.form-group label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.label-icon {
  font-size: 0.95rem;
}

.form-group input[type="date"],
.form-group input[type="text"] {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 0.92rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

button,
select,
input {
  font: inherit;
}

.form-group input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group input::placeholder {
  color: var(--text-muted);
}

/* Color scheme for date input */
input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(0.7);
  cursor: pointer;
}

/* --- Search / Autocomplete --- */
.search-wrapper {
  position: relative;
}

.suggestions-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-top: none;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  max-height: 240px;
  overflow-y: auto;
  z-index: 100;
  display: none;
  box-shadow: var(--shadow-lg);
}

.suggestions-dropdown.active {
  display: block;
}

.suggestion-item {
  padding: 10px 14px;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  transition: background var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.suggestion-item:last-child {
  border-bottom: none;
}

.suggestion-item:hover,
.suggestion-item.active {
  background: var(--bg-card-hover);
}

.suggestion-item .suggestion-name {
  font-weight: 500;
}

.suggestion-item .suggestion-detail {
  color: var(--text-muted);
  font-size: 0.78rem;
}

.location-info {
  margin-top: 6px;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: 'SF Mono', 'Fira Code', monospace;
}

.mini-map-wrapper {
  margin-bottom: 20px;
}

.mini-map {
  width: 100%;
  height: 180px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  overflow: hidden;
}

/* --- Submit Button --- */
.submit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px 24px;
  background: linear-gradient(135deg, #3b6fd9, #4f8cff);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 2px 12px rgba(79, 140, 255, 0.25);
  min-height: 48px;
  touch-action: manipulation;
}

.submit-btn:hover:not(:disabled) {
  background: linear-gradient(135deg, #4f8cff, #6ba1ff);
  box-shadow: 0 4px 20px rgba(79, 140, 255, 0.4);
  transform: translateY(-1px);
}

.submit-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-icon {
  font-size: 1.1rem;
}

/* --- Loading --- */
.loading {
  text-align: center;
  padding: 48px 0;
}

.loading p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 16px;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent);
  border-radius: 50%;
  margin: 0 auto;
  animation: spin 0.8s linear infinite;
}

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

/* --- Error --- */
.error-banner {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  font-size: 0.88rem;
  color: #fca5a5;
}

.error-icon {
  font-size: 1.1rem;
}

/* --- Results Section --- */
.results-section {
  margin-bottom: 40px;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  flex-wrap: wrap;
  gap: 12px;
  scroll-margin-top: 20px;
}

.results-header h2 {
  font-size: 1.15rem;
  font-weight: 600;
}

.results-actions {
  display: flex;
  gap: 8px;
}

.action-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xs);
  color: var(--text-secondary);
  font-family: var(--font);
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  min-height: 44px;
  touch-action: manipulation;
}

.action-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-focus);
  color: var(--text-primary);
}

.action-btn-primary {
  background: linear-gradient(135deg, #3b6fd9, #4f8cff);
  border-color: transparent;
  color: white;
}

.action-btn-primary:hover {
  background: linear-gradient(135deg, #4f8cff, #6ba1ff);
  box-shadow: 0 2px 12px rgba(79, 140, 255, 0.3);
}

.results-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

/* --- Scroll Indicator (floating) --- */
.scroll-indicator {
  position: fixed;
  bottom: calc(24px + env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(30, 34, 53, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
  z-index: 50;
  opacity: 1;
  transition: opacity 0.3s ease, transform 0.3s ease;
  cursor: pointer;
}

.scroll-indicator.hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateX(-50%) translateY(10px);
}

.new-query-btn {
  position: fixed;
  right: 18px;
  bottom: calc(22px + env(safe-area-inset-bottom));
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 11px 14px;
  background: linear-gradient(135deg, #3b6fd9, #4f8cff);
  color: #fff;
  font-family: var(--font);
  font-size: 0.82rem;
  font-weight: 600;
  box-shadow: 0 6px 24px rgba(79, 140, 255, 0.35);
  cursor: pointer;
  z-index: 60;
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
  min-height: 44px;
  touch-action: manipulation;
}

.new-query-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 26px rgba(79, 140, 255, 0.45);
}

.new-query-icon {
  font-size: 1rem;
  line-height: 1;
}

.scroll-arrow {
  font-size: 1.1rem;
  color: var(--accent);
  animation: bounceDown 1.8s ease-in-out infinite;
  line-height: 1;
}

@keyframes bounceDown {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(3px);
  }
}

/* --- Summary Cards --- */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}

.summary-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 20px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.summary-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: var(--radius) var(--radius) 0 0;
}

.summary-card.severity-none::before {
  background: var(--text-muted);
}

.summary-card.severity-low::before {
  background: var(--green);
}

.summary-card.severity-moderate::before {
  background: var(--yellow);
}

.summary-card.severity-severe::before {
  background: var(--orange);
}

.summary-card.severity-extreme::before {
  background: var(--red);
}

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

.summary-card .card-icon {
  font-size: 1.6rem;
  margin-bottom: 8px;
}

.summary-card .card-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
  margin-bottom: 4px;
}

.summary-card .card-value {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
}

.summary-card .card-detail {
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* Card info tooltip */
.card-info-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  color: var(--text-muted);
  font-size: 0.68rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  z-index: 2;
  line-height: 1;
  font-family: var(--font);
}

.card-info-btn:hover {
  background: rgba(79, 140, 255, 0.15);
  color: var(--accent);
  border-color: var(--accent);
}

.card-info-btn.active {
  background: var(--accent);
  color: var(--bg-primary);
  border-color: var(--accent);
}

.card-tooltip {
  display: none;
  margin-top: 10px;
  padding: 10px 12px;
  background: rgba(15, 17, 23, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xs);
  font-size: 0.72rem;
  color: var(--text-secondary);
  line-height: 1.5;
  animation: tooltipFadeIn 0.2s ease;
}

.card-tooltip.visible {
  display: block;
}

.card-tooltip strong {
  color: var(--text-primary);
  font-weight: 600;
}

.card-tooltip .tooltip-scale {
  margin-top: 6px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.card-tooltip .tooltip-scale span {
  font-size: 0.65rem;
  padding: 1px 6px;
  border-radius: 10px;
}

@keyframes tooltipFadeIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Severity badge */
.severity-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.severity-badge.severity-none {
  background: rgba(107, 114, 128, 0.2);
  color: #9ca3af;
}

.severity-badge.severity-low {
  background: rgba(34, 197, 94, 0.15);
  color: #4ade80;
}

.severity-badge.severity-moderate {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
}

.severity-badge.severity-severe {
  background: rgba(249, 115, 22, 0.15);
  color: #fb923c;
}

.severity-badge.severity-extreme {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
}

/* --- Charts Section --- */
.charts-section {
  margin-bottom: 28px;
}

.charts-section h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 14px;
}

.charts-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.chart-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 16px;
  height: 280px;
}

/* --- Daily Summary Section --- */
.daily-summary-section {
  margin-bottom: 28px;
}

.daily-summary-section h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 14px;
}

/* --- Hourly Table --- */
.hourly-section {
  margin-bottom: 28px;
}

.hourly-section h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 14px;
}

/* Day separator row for multi-day view */
.hourly-table tbody tr.day-separator {
  background: var(--bg-secondary);
}

.hourly-table tbody tr.day-separator td {
  padding: 8px 14px;
  font-size: 0.82rem;
  color: var(--accent);
  border-bottom: 1px solid var(--border-color);
}

.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  background: var(--bg-card);
}

.hourly-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.hourly-table th {
  background: var(--bg-secondary);
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
}

.hourly-table td {
  padding: 8px 14px;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.hourly-table tbody tr:last-child td {
  border-bottom: none;
}

.hourly-table tbody tr:hover {
  background: var(--bg-card-hover);
}

.hourly-table tbody tr.highlight-row {
  background: rgba(249, 115, 22, 0.06);
}

.hourly-table tbody tr.highlight-row-severe {
  background: rgba(239, 68, 68, 0.08);
}

/* CAPE column highlight */
.cape-moderate {
  color: var(--yellow);
  font-weight: 600;
}

.cape-high {
  color: var(--red);
  font-weight: 700;
}

.wind-dir {
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}

/* --- METAR Section --- */
.metar-section {
  margin-bottom: 28px;
}

.metar-section h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.metar-subtitle {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.metar-content {
  display: grid;
  gap: 12px;
}

.metar-loading {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 12px;
}

.metar-airport-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 16px;
  transition: all var(--transition);
}

.metar-airport-card.metar-severe {
  border-color: rgba(249, 115, 22, 0.4);
  background: linear-gradient(135deg, var(--bg-card), rgba(249, 115, 22, 0.04));
}

.metar-airport-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 0.88rem;
}

.metar-distance {
  display: inline-block;
  background: rgba(79, 140, 255, 0.12);
  color: var(--accent);
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 600;
  margin-left: 8px;
}

.metar-indicators {
  font-size: 0.85rem;
}

.metar-clear {
  color: var(--green);
  font-size: 0.78rem;
}

.metar-stats {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.metar-no-data {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: italic;
  margin-top: 4px;
}

.metar-severe-events {
  background: rgba(249, 115, 22, 0.06);
  border: 1px solid rgba(249, 115, 22, 0.15);
  border-radius: var(--radius-sm);
  padding: 12px;
  margin-top: 8px;
}

.metar-severe-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--orange);
  margin-bottom: 8px;
}

.metar-event-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  padding: 3px 0;
}

.metar-event-icon {
  font-size: 1rem;
}

.metar-event-desc {
  font-weight: 500;
  min-width: 120px;
}

.metar-event-times {
  color: var(--text-muted);
  font-family: 'SF Mono', monospace;
  font-size: 0.72rem;
}

/* --- Events Section --- */
.events-section h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 14px;
}

.events-list {
  display: grid;
  gap: 10px;
}

.event-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.88rem;
  transition: all var(--transition);
}

.event-item:hover {
  transform: translateX(4px);
  border-color: var(--border-focus);
}

.event-item .event-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
}

.event-item .event-content {
  flex: 1;
}

.event-item .event-title {
  font-weight: 600;
  margin-bottom: 2px;
}

.event-item .event-detail {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.event-item .event-time {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: 'SF Mono', monospace;
}

/* --- Footer --- */
.footer {
  padding: 24px 0;
  border-top: 1px solid var(--border-color);
  margin-top: 40px;
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.footer .disclaimer {
  margin-top: 6px;
  font-style: italic;
  font-size: 0.72rem;
}

.footer .app-version {
  margin-top: 8px;
  font-size: 0.72rem;
  color: var(--text-secondary);
}

/* --- Responsive Optimizations (Tablet & Mobile) --- */
@media (max-width: 768px) {
  html {
    font-size: 14px;
  }

  .app {
    padding: 0 14px;
    padding-bottom: calc(16px + env(safe-area-inset-bottom));
  }

  .header {
    padding: 22px 0 18px;
    margin-bottom: 20px;
  }

  .logo {
    gap: 10px;
  }

  .logo-icon {
    font-size: 1.85rem;
  }

  .logo h1 {
    font-size: 1.38rem;
  }

  .tagline {
    font-size: 0.75rem;
  }

  .header-content {
    align-items: flex-start;
  }

  .header-tools {
    align-items: flex-end;
  }

  .app-intro {
    margin-bottom: 14px;
    padding: 12px;
    font-size: 0.8rem;
    line-height: 1.45;
  }

  .beta-banner-content {
    align-items: flex-start;
    padding: 10px 12px;
    gap: 8px;
  }

  .form-card {
    padding: 18px;
  }

  .form-subtitle {
    margin-bottom: 16px;
  }

  .results-header {
    align-items: stretch;
    gap: 10px;
  }

  .results-actions {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .action-btn {
    justify-content: center;
    min-height: 44px;
  }

  .summary-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .summary-card {
    padding: 16px;
  }

  .summary-card .card-value {
    font-size: 1.3rem;
  }

  .chart-container {
    height: 240px;
    padding: 12px;
  }

  .table-wrapper {
    -webkit-overflow-scrolling: touch;
    scrollbar-gutter: stable both-edges;
  }

  .hourly-table {
    min-width: 920px;
  }

  .hourly-table th,
  .hourly-table td {
    padding: 7px 10px;
  }

  .metar-stats {
    gap: 8px;
    flex-direction: column;
  }

  .metar-event-row {
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 4px 8px;
  }

  .event-item {
    align-items: flex-start;
    gap: 10px;
  }

  .event-item:hover {
    transform: none;
  }

}

@media (max-width: 480px) {
  .app {
    padding: 0 10px;
    padding-bottom: calc(12px + env(safe-area-inset-bottom));
  }

  .form-card {
    padding: 14px;
  }

  .form-grid-3 {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .form-grid-3 .form-group:last-child {
    grid-column: auto;
  }

  .form-title {
    font-size: 1.02rem;
  }

  .header-content {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
  }

  .header-tools {
    align-items: center;
    flex-shrink: 0;
  }

  .logo {
    min-width: 0;
    flex: 1;
  }

  .logo h1 {
    font-size: 1.24rem;
    line-height: 1.15;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .results-actions {
    grid-template-columns: 1fr;
  }

  .action-btn {
    width: 100%;
  }

  .results-meta {
    font-size: 0.75rem;
  }

  .charts-section h3,
  .daily-summary-section h3,
  .hourly-section h3,
  .events-section h3,
  .metar-section h3 {
    font-size: 0.92rem;
  }

  .chart-container {
    height: 220px;
    padding: 10px;
  }

  .event-item {
    padding: 12px;
  }

  .scroll-indicator {
    bottom: calc(14px + env(safe-area-inset-bottom));
  }

  .new-query-btn {
    left: 10px;
    right: 10px;
    justify-content: center;
    bottom: calc(10px + env(safe-area-inset-bottom));
    border-radius: var(--radius-sm);
  }

  .form-group input[type="date"],
  .form-group input[type="text"],
  .lang-select {
    font-size: 16px;
  }
}

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

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}