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

:root {
  --bg:          #0d1117;
  --surface:     #161b22;
  --border:      #30363d;
  --accent:      #e8a020;      /* Amber — classic ham radio dial color */
  --accent-dim:  #7d5510;
  --success:     #2ea043;
  --error:       #da3633;
  --text:        #e6edf3;
  --text-sub:    #8b949e;
  --btn-yes:     #2ea043;
  --btn-no:      #da3633;
  --radius:      12px;
  --font-body:   'Helvetica Neue', Arial, sans-serif;
  --font-mono:   'Courier New', Courier, monospace;
}

html, body {
  height: 100%;
  width: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 18px;
  -webkit-user-select: none;
  user-select: none;
  touch-action: manipulation;
}

/* ── Screen System ────────────────────────────────────────────────── */
.screen {
  display: none;
  position: fixed;
  inset: 0;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 40px 32px 32px;
  gap: 24px;
  overflow-y: auto;
}

.screen.active { display: flex; }

h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  text-align: center;
  letter-spacing: -0.5px;
}

.screen-sub {
  color: var(--text-sub);
  text-align: center;
  font-size: 1rem;
  max-width: 480px;
}

/* ── Attract / Idle ───────────────────────────────────────────────── */
#screen-idle {
  justify-content: space-between;
  background: radial-gradient(ellipse at 50% 30%, #1e2a1e 0%, var(--bg) 70%);
}

.attract-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding-top: 20px;
}

.attract-logo img {
  max-width: 200px;
  max-height: 100px;
  object-fit: contain;
}

.attract-logo h1 {
  font-size: 3rem;
  font-weight: 900;
  color: var(--accent);
  letter-spacing: -1px;
  text-align: center;
}

.attract-sub {
  font-size: 1.4rem;
  color: var(--text-sub);
  text-transform: uppercase;
  letter-spacing: 4px;
}

.attract-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  color: var(--text-sub);
}

.scan-icon {
  font-size: 3rem;
  color: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(1.1); }
}

.qr-reader-container {
  width: 100%;
  max-width: 320px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 2px solid var(--accent-dim);
}

/* Override html5-qrcode styling */
#qr-reader { border: none !important; }
#qr-reader__scan_region { background: transparent !important; }

.attract-footer {
  font-size: 0.75rem;
  color: var(--accent-dim);
  font-family: var(--font-mono);
}

/* ── Identity Card (Is This You) ──────────────────────────────────── */
.identity-card {
  width: 100%;
  max-width: 480px;
  background: var(--surface);
  border: 1px solid var(--accent-dim);
  border-radius: var(--radius);
  padding: 28px 32px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.identity-name {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text);
}

.identity-location {
  font-size: 1.1rem;
  color: var(--text-sub);
}

.identity-callsign {
  font-size: 1.4rem;
  font-family: var(--font-mono);
  color: var(--accent);
  letter-spacing: 2px;
}

/* ── Buttons ─────────────────────────────────────────────────────── */
.button-row {
  display: flex;
  gap: 16px;
  width: 100%;
  max-width: 480px;
  justify-content: center;
}

.button-row-single {
  display: flex;
  justify-content: center;
}

.btn {
  padding: 18px 32px;
  font-size: 1.1rem;
  font-weight: 700;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  flex: 1;
  max-width: 220px;
  transition: opacity 0.15s, transform 0.1s;
  -webkit-tap-highlight-color: transparent;
}

.btn:active { transform: scale(0.97); }

.btn-yes     { background: var(--btn-yes);  color: #fff; }
.btn-no      { background: var(--btn-no);   color: #fff; }
.btn-primary { background: var(--accent);   color: #000; }
.btn-secondary { background: var(--surface); color: var(--text); border: 1px solid var(--border); }
.btn-text    { background: transparent; color: var(--text-sub); font-weight: 400; }
.btn-admin   { background: var(--surface); color: var(--accent); border: 1px solid var(--accent-dim); width: 100%; max-width: 100%; margin-bottom: 8px; }

/* ── Inputs ──────────────────────────────────────────────────────── */
.input-group {
  width: 100%;
  max-width: 480px;
}

input[type="text"],
input[type="email"],
input[type="password"] {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 1.5rem;
  font-family: var(--font-mono);
  padding: 16px 20px;
  outline: none;
  letter-spacing: 2px;
  -webkit-user-select: text;
  user-select: text;
}

input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim);
}

/* ── Form ────────────────────────────────────────────────────────── */
.form-body {
  width: 100%;
  max-width: 600px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-row label {
  font-size: 0.85rem;
  color: var(--text-sub);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.label-optional {
  font-style: italic;
  text-transform: none;
  letter-spacing: 0;
}

.form-row input {
  font-size: 1.1rem;
  letter-spacing: 0.5px;
  padding: 12px 16px;
}

#form-callsign {
  font-family: var(--font-mono);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.form-row-inline {
  flex-direction: row;
  gap: 12px;
  align-items: flex-end;
}

.form-col-large { flex: 2; display: flex; flex-direction: column; gap: 6px; }
.form-col-small { flex: 1; display: flex; flex-direction: column; gap: 6px; }

/* ── Center content (spinners, success, error) ───────────────────── */
.center-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex: 1;
  text-align: center;
  padding: 20px;
}

.spinner {
  width: 56px;
  height: 56px;
  border: 4px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.success-icon {
  font-size: 5rem;
  color: var(--success);
  line-height: 1;
}

.info-icon {
  font-size: 4rem;
  color: var(--accent);
  line-height: 1;
}

.error-icon {
  font-size: 4rem;
  color: var(--error);
  line-height: 1;
}

.success-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
}

.success-call {
  font-size: 1.3rem;
  font-family: var(--font-mono);
  color: var(--accent);
  letter-spacing: 2px;
}

.success-sub {
  font-size: 1rem;
  color: var(--text-sub);
}

.already-detail {
  font-size: 0.9rem;
  color: var(--text-sub);
  font-family: var(--font-mono);
}

/* ── Countdown Bar ───────────────────────────────────────────────── */
.countdown-bar {
  width: 260px;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}

.countdown-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width 1s linear;
}

.countdown-label {
  font-size: 0.85rem;
  color: var(--text-sub);
}

/* ── Admin Overlay ───────────────────────────────────────────────── */
.admin-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.admin-overlay.hidden { display: none; }

.admin-dialog {
  background: var(--surface);
  border: 1px solid var(--accent-dim);
  border-radius: var(--radius);
  padding: 32px;
  width: 90%;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.admin-dialog h3 {
  color: var(--accent);
  font-size: 1.3rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 2px;
  text-align: center;
}

.admin-dialog h4 {
  color: var(--text-sub);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 8px;
}

.admin-error {
  color: var(--error);
  font-size: 0.9rem;
  text-align: center;
}

.admin-menu {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.admin-menu.hidden { display: none; }

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