/* UBA Region 1 Band Plan Mapper - Styles (color schema aligned with other pages) */

:root {
  --bg-dark: #1f2937;
  --bg-card: #17202a;
  --bg-input: #374151;
  --text-primary: #e5e7eb;
  --text-muted: #9ca3af;
  --accent: #58a6ff;
  --accent-dim: #388bfd66;
  --success: #3fb950;
  --warning: #d29922;
  --error: #f85149;
  --border: #4b5563;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', Consolas, monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
}

.app {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 2rem 1.5rem;
}

/* Header */
.header {
  margin-bottom: 0;
}

.header h1 {
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 0.25rem 0;
}

.subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0 0 1.5rem 0;
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.6rem 1rem;
}

.input-row {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.classification-output {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-left: auto;
  white-space: nowrap;
}

.input-row label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
}

#itu-region {
  padding: 0.5rem 0.6rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 0.9rem;
}

#freq-input {
  width: 10ch;
  max-width: 10ch;
  padding: 0.5rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
}

#freq-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim);
}

#map-btn {
  padding: 0.6rem 1.25rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
}

#map-btn:hover {
  filter: brightness(1.1);
}

.btn-secondary {
  padding: 0.6rem 1.25rem;
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
}

.btn-secondary:hover {
  background: var(--bg-input);
  border-color: var(--accent);
}

.freq-status {
  display: none;
  font-size: 0.85rem;
  color: var(--error);
  white-space: nowrap;
}

.freq-status.success {
  color: var(--success);
}

.freq-status.warning {
  color: var(--warning);
}

.freq-status.error {
  color: var(--error);
}

.freq-input-error {
  color: var(--error) !important;
  border-color: var(--error) !important;
}

/* Bands container */
.bands-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.band-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  transition: border-color 0.2s;
}

.band-card.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-dim);
}

.band-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.band-name {
  font-weight: 600;
  font-size: 1rem;
}

.band-range {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.band-match {
  margin-left: auto;
  font-size: 0.8rem;
  color: var(--success);
}

.band-bar-container {
  position: relative;
}

.band-card.active .band-bar-container {
  padding-top: 32px;
}

.band-bar {
  position: relative;
  height: 44px;
  border-radius: 8px;
  overflow: hidden;
  display: flex;
}

.zone {
  position: absolute;
  top: 0;
  bottom: 0;
  transition: filter 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  overflow: hidden;
}

.zone:hover {
  filter: brightness(1.15);
}

.zone-clickable {
  cursor: pointer;
}

/* Zone callout (click to show segment details) */
.zone-callout {
  position: fixed;
  z-index: 1000;
  max-width: min(400px, 90vw);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s;
}

.zone-callout.visible {
  opacity: 1;
  pointer-events: auto;
}

.zone-callout-content {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.zone-callout-header {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--accent);
  margin-bottom: 0.35rem;
}

.zone-callout-mode {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.zone-callout-label {
  font-size: 0.8rem;
  color: var(--text-primary);
  line-height: 1.4;
}

.zone-label {
  font-size: 0.5rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.95);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  text-align: center;
}

.band-scale {
  display: flex;
  justify-content: space-between;
  margin-top: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.freq-marker-callout {
  position: absolute;
  top: 0;
  left: 0;
  transform: translateX(-50%);
  z-index: 11;
  display: flex;
  flex-direction: column;
  align-items: center;
  pointer-events: none;
  max-width: min(85%, 260px);
}

.freq-marker-callout.align-left {
  align-items: flex-start;
  transform: translateX(0);
}

.freq-marker-callout.align-right {
  align-items: flex-end;
  transform: translateX(-100%);
}

.freq-marker-classification {
  font-size: 0.75rem;
  color: var(--accent);
  text-align: center;
  line-height: 1.3;
  margin-bottom: 4px;
  padding: 2px 6px;
  background: var(--bg-card);
  border-radius: 4px;
  border: 1px solid var(--accent);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.freq-marker-callout.align-left .freq-marker-classification {
  text-align: left;
}

.freq-marker-callout.align-right .freq-marker-classification {
  text-align: right;
}

.freq-marker-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--bg-card);
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid var(--accent);
  white-space: nowrap;
}

.freq-marker-pointer {
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 10px solid #fff;
  filter: drop-shadow(0 0 1px rgba(0, 0, 0, 0.5));
}

.freq-marker {
  position: absolute;
  top: -4px;
  bottom: -4px;
  width: 4px;
  background: #fff;
  border-radius: 2px;
  box-shadow: 0 0 0 2px var(--accent);
  transform: translateX(-50%);
  z-index: 10;
  pointer-events: none;
}

.freq-info {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.band-card.active .freq-info {
  color: var(--accent);
}

/* Legend */
.legend {
  margin-top: 1rem;
  margin-bottom: 1rem;
}

.legend h3 {
  font-size: 0.9rem;
  font-weight: 600;
  margin: 0 0 0.75rem 0;
  color: var(--text-muted);
}

.legend-items {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.legend-item .swatch {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: var(--color);
}