/**
 * FAA ERIDS-style chrome for VATFLOW — dark navy / yellow, large touch targets.
 * Intentionally distinct from the suite amber dashboard palette.
 */
:root {
  --erids-bg: #000028;
  --erids-bg-deep: #000018;
  --erids-panel: #000040;
  --erids-panel-2: #0a0a48;
  --erids-line: #3a3a8a;
  --erids-yellow: #ffd700;
  --erids-yellow-dim: #c9a800;
  --erids-white: #f0f0f8;
  --erids-muted: #9aa0c0;
  --erids-blue-btn: #1a4a9c;
  --erids-blue-btn-hi: #2a6ad0;
  --erids-blue-edge: #4a7ad0;
  --erids-red: #c62828;
  --erids-red-hi: #e53935;
  --erids-section: #4a4a5a;
  --erids-section-text: #e8e8f0;
  --erids-active-border: #ffd700;
  --erids-touch: 56px;
  --erids-btn-h: 48px;
  --erids-header-h: 40px;
  --erids-tabs-h: 44px;
  --erids-subtabs-h: 40px;
  --erids-util-h: 52px;
  --erids-icons-h: 72px;
  --erids-font: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  --erids-mono: "Consolas", "Courier New", monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  background: var(--erids-bg-deep);
  color: var(--erids-white);
  font-family: var(--erids-font);
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

button,
input,
select {
  font: inherit;
  color: inherit;
}

a {
  color: var(--erids-yellow);
}

#eridsApp {
  display: grid;
  grid-template-rows: auto auto auto 1fr auto auto;
  height: 100%;
  max-height: 100dvh;
  background: var(--erids-bg);
}

/* —— Header —— */
.erids-header {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: var(--erids-header-h);
  padding: 6px 10px;
  background: linear-gradient(180deg, #0c0c50 0%, #000030 100%);
  border-bottom: 2px solid var(--erids-line);
}

.erids-brand {
  font-family: var(--erids-mono);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--erids-yellow);
  font-size: 15px;
  white-space: nowrap;
}

.erids-brand span {
  color: var(--erids-muted);
  font-weight: 500;
  letter-spacing: 0.04em;
  font-size: 12px;
  margin-left: 8px;
}

.erids-header-spacer {
  flex: 1;
}

.erids-artcc-label {
  color: var(--erids-yellow);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.erids-artcc-select {
  min-height: 36px;
  min-width: 88px;
  padding: 4px 10px;
  background: var(--erids-panel);
  border: 2px solid var(--erids-blue-edge);
  border-radius: 4px;
  color: var(--erids-yellow);
  font-weight: 700;
  font-size: 14px;
}

.erids-clock {
  font-family: var(--erids-mono);
  color: var(--erids-yellow);
  font-size: 14px;
  letter-spacing: 0.06em;
  min-width: 11ch;
  text-align: right;
}

.erids-escape {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 4px 12px;
  border: 2px solid var(--erids-line);
  border-radius: 4px;
  background: var(--erids-panel);
  color: var(--erids-muted);
  text-decoration: none;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.erids-escape:active,
.erids-escape:focus-visible {
  border-color: var(--erids-yellow);
  color: var(--erids-yellow);
  outline: none;
}

/* —— Primary + secondary tabs —— */
.erids-tabs,
.erids-subtabs {
  display: flex;
  flex-wrap: nowrap;
  gap: 3px;
  padding: 4px 6px 0;
  overflow-x: auto;
  background: #000022;
  border-bottom: 2px solid var(--erids-line);
  -webkit-overflow-scrolling: touch;
}

.erids-subtabs {
  background: #000035;
  min-height: var(--erids-subtabs-h);
  display: none;
}

.erids-subtabs.is-visible {
  display: flex;
}

.erids-tab,
.erids-subtab {
  flex: 0 0 auto;
  min-height: var(--erids-tabs-h);
  min-width: 96px;
  padding: 8px 16px;
  border: 2px solid #2a2a6a;
  border-bottom: none;
  border-radius: 6px 6px 0 0;
  background: linear-gradient(180deg, #1a1a60 0%, #0a0a40 100%);
  color: var(--erids-white);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.02em;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.erids-subtab {
  min-height: 36px;
  min-width: 110px;
  font-size: 12px;
  background: linear-gradient(180deg, #222268 0%, #101048 100%);
}

.erids-tab.is-active,
.erids-subtab.is-active {
  background: linear-gradient(180deg, #3a5ab0 0%, #1a3a80 100%);
  border-color: var(--erids-yellow);
  color: var(--erids-yellow);
  z-index: 1;
}

.erids-tab:active,
.erids-subtab:active {
  background: var(--erids-blue-btn-hi);
}

/* —— Main content —— */
.erids-main {
  overflow: auto;
  padding: 12px 14px 16px;
  background: var(--erids-bg);
  -webkit-overflow-scrolling: touch;
}

.erids-view-title {
  margin: 0 0 12px;
  color: var(--erids-yellow);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.erids-crumb {
  margin: -6px 0 12px;
  color: var(--erids-muted);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.erids-badge {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 8px;
  border: 1px solid var(--erids-yellow-dim);
  border-radius: 3px;
  color: var(--erids-yellow-dim);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  vertical-align: middle;
  text-transform: uppercase;
}

.erids-meta {
  margin: 0 0 12px;
  color: var(--erids-muted);
  font-size: 12px;
  font-family: var(--erids-mono);
}

.erids-meta.error {
  color: #ff8a80;
}

.erids-section-bar {
  margin: 14px 0 8px;
  padding: 8px 12px;
  background: var(--erids-section);
  color: var(--erids-section-text);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.04em;
  border-radius: 2px;
}

.erids-runway-block {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--erids-yellow);
}

.erids-runway-label {
  display: inline-block;
  min-width: 52px;
  margin: 0;
  color: var(--erids-yellow);
  font-size: 20px;
  font-weight: 800;
  font-family: var(--erids-mono);
}

.erids-btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.erids-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--erids-btn-h);
  min-width: 88px;
  padding: 10px 18px;
  border: 2px solid var(--erids-blue-edge);
  border-radius: 4px;
  background: linear-gradient(180deg, #2a5ab8 0%, var(--erids-blue-btn) 55%, #103070 100%);
  color: var(--erids-white);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.03em;
  text-decoration: none;
  cursor: pointer;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.25),
    0 2px 0 #000020;
  user-select: none;
}

.erids-btn:active,
.erids-btn.is-active {
  border-color: var(--erids-active-border);
  background: linear-gradient(180deg, #3a7ae0 0%, #2a5ab8 100%);
  color: var(--erids-yellow);
}

.erids-btn.is-disabled,
.erids-btn[aria-disabled="true"] {
  opacity: 0.45;
  pointer-events: none;
}

.erids-btn-lg {
  min-height: 64px;
  min-width: 120px;
  font-size: 16px;
  padding: 12px 20px;
}

.erids-facility-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
}

.erids-msg-block {
  margin-bottom: 10px;
}

.erids-msg-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.erids-msg-list li {
  padding: 10px 8px;
  border-bottom: 1px solid var(--erids-line);
  font-family: var(--erids-mono);
  font-size: 13px;
  line-height: 1.45;
  color: var(--erids-white);
  white-space: pre-wrap;
  word-break: break-word;
}

.erids-msg-list .ts {
  color: var(--erids-yellow);
  margin-right: 8px;
}

.erids-empty {
  padding: 16px 8px;
  color: var(--erids-muted);
  font-size: 14px;
}

.erids-form-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 14px;
}

.erids-input {
  min-height: var(--erids-btn-h);
  min-width: 140px;
  padding: 8px 12px;
  background: #000010;
  border: 2px solid var(--erids-blue-edge);
  border-radius: 4px;
  color: var(--erids-yellow);
  font-family: var(--erids-mono);
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.erids-input::placeholder {
  color: var(--erids-muted);
  text-transform: none;
  letter-spacing: 0;
  font-size: 13px;
}

.erids-wx-card {
  margin-bottom: 10px;
  padding: 12px;
  border: 1px solid var(--erids-line);
  border-radius: 4px;
  background: var(--erids-panel);
}

.erids-wx-card .icao {
  color: var(--erids-yellow);
  font-weight: 800;
  font-family: var(--erids-mono);
  font-size: 16px;
  margin-right: 10px;
}

.erids-wx-card .cat {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.erids-wx-card .cat.VFR { background: #1b5e20; color: #c8e6c9; }
.erids-wx-card .cat.MVFR { background: #0d47a1; color: #bbdefb; }
.erids-wx-card .cat.IFR { background: #b71c1c; color: #ffcdd2; }
.erids-wx-card .cat.LIFR { background: #4a148c; color: #e1bee7; }

.erids-wx-card .raw {
  margin-top: 8px;
  font-family: var(--erids-mono);
  font-size: 13px;
  line-height: 1.4;
  color: var(--erids-white);
}

.erids-help p {
  margin: 0 0 12px;
  line-height: 1.55;
  color: var(--erids-white);
  font-size: 14px;
  max-width: 52rem;
}

.erids-help ul {
  margin: 0 0 16px;
  padding-left: 1.2rem;
  color: var(--erids-muted);
  line-height: 1.55;
}

.erids-shortcut-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}

/* —— Bottom utility + icon bars —— */
.erids-util {
  display: flex;
  flex-wrap: nowrap;
  gap: 6px;
  align-items: stretch;
  min-height: var(--erids-util-h);
  padding: 6px 8px;
  background: #000030;
  border-top: 2px solid var(--erids-line);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.erids-util-btn {
  flex: 0 0 auto;
  min-height: 44px;
  min-width: 72px;
  padding: 6px 12px;
  border: 2px solid #3a3a7a;
  border-radius: 4px;
  background: linear-gradient(180deg, #2a2a70 0%, #101048 100%);
  color: var(--erids-white);
  font-weight: 700;
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
}

.erids-util-btn.is-accent {
  background: linear-gradient(180deg, #2a5ab8 0%, #1a3a80 100%);
  border-color: var(--erids-blue-edge);
}

.erids-util-btn.is-hot {
  background: linear-gradient(180deg, #e53935 0%, #8b0000 100%);
  border-color: #ff8a80;
  color: #fff;
}

.erids-util-btn:active,
.erids-util-btn.is-active {
  border-color: var(--erids-yellow);
  color: var(--erids-yellow);
}

.erids-icons {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  min-height: var(--erids-icons-h);
  padding: 6px 6px calc(6px + env(safe-area-inset-bottom, 0px));
  background: #000020;
  border-top: 2px solid var(--erids-yellow-dim);
}

.erids-icon-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-height: var(--erids-touch);
  padding: 6px 2px;
  border: 2px solid transparent;
  border-radius: 4px;
  background: linear-gradient(180deg, #1a1a50 0%, #080830 100%);
  color: var(--erids-yellow);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
}

.erids-icon-btn svg {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: var(--erids-yellow);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.erids-icon-btn.is-active {
  border-color: var(--erids-active-border);
  background: #1a2a60;
  box-shadow: inset 0 0 0 1px var(--erids-yellow);
}

.erids-icon-btn:active {
  background: #2a3a80;
}

/* Define-shortcut mode cue */
body.erids-define-mode .erids-btn,
body.erids-define-mode .erids-tab,
body.erids-define-mode .erids-icon-btn {
  outline: 2px dashed rgba(255, 215, 0, 0.45);
  outline-offset: 2px;
}

@media (max-width: 720px) {
  .erids-brand span {
    display: none;
  }
  .erids-icons {
    grid-template-columns: repeat(4, 1fr);
  }
  .erids-icon-btn:nth-child(n + 5) {
    /* still show all; wrap via denser grid on very small */
  }
}

@media (max-width: 520px) {
  .erids-icons {
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: minmax(56px, auto);
  }
  .erids-header {
    flex-wrap: wrap;
  }
  .erids-clock {
    order: 5;
  }
}

/* —— Document / chart viewer overlay —— */
.erids-viewer {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: flex;
  flex-direction: column;
  background: var(--erids-bg-deep);
}

.erids-viewer[hidden] {
  display: none !important;
}

.erids-viewer-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  padding: 8px 10px;
  background: #000030;
  border-bottom: 2px solid var(--erids-yellow-dim);
}

.erids-viewer-title {
  flex: 1;
  min-width: 120px;
  color: var(--erids-yellow);
  font-weight: 700;
  font-size: 15px;
}

.erids-viewer-note {
  padding: 8px 12px;
  background: #1a1030;
  color: var(--erids-muted);
  font-size: 12px;
  line-height: 1.45;
  border-bottom: 1px solid var(--erids-line);
}

.erids-viewer-note b {
  color: var(--erids-yellow);
}

.erids-viewer-frame {
  flex: 1;
  width: 100%;
  border: 0;
  background: #111;
}

.erids-viewer-body {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  position: relative;
  background: #111;
}

.erids-pdf-pane {
  flex: 1;
  overflow: auto;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 12px;
  -webkit-overflow-scrolling: touch;
}

.erids-pdf-pane canvas {
  max-width: 100%;
  height: auto;
  box-shadow: 0 0 0 1px #333, 0 8px 24px rgba(0, 0, 0, 0.45);
  background: #fff;
}

.erids-viewer-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--erids-yellow);
  font-weight: 700;
  letter-spacing: 0.06em;
  background: rgba(0, 0, 20, 0.72);
  z-index: 2;
}

.erids-viewer-loading[hidden] {
  display: none !important;
}

.erids-viewer-pdf-tools {
  display: flex;
  align-items: center;
  gap: 6px;
}

.erids-viewer-pdf-tools[hidden] {
  display: none !important;
}

.erids-viewer-page {
  color: var(--erids-yellow);
  font-family: var(--erids-mono);
  font-size: 12px;
  min-width: 5.5ch;
  text-align: center;
}

.erids-pdf-pane[hidden],
.erids-viewer-frame[hidden] {
  display: none !important;
}

/* —— Admin editor —— */
.erids-admin-row {
  display: grid;
  grid-template-columns: minmax(100px, 160px) 1fr auto;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
}

.erids-admin-row input {
  min-height: 40px;
  padding: 6px 10px;
  background: #000010;
  border: 2px solid var(--erids-blue-edge);
  border-radius: 4px;
  color: var(--erids-yellow);
  font-size: 13px;
}

.erids-admin-section {
  margin: 12px 0 18px;
  padding: 10px;
  border: 1px solid var(--erids-line);
  border-radius: 4px;
  background: var(--erids-panel);
}

.erids-admin-status {
  margin: 8px 0;
  font-family: var(--erids-mono);
  font-size: 12px;
  color: var(--erids-muted);
}

.erids-admin-status.ok { color: #81c784; }
.erids-admin-status.err { color: #ff8a80; }

@media (max-width: 720px) {
  .erids-admin-row {
    grid-template-columns: 1fr;
  }
}