/* ── auth.css ── Shared styles for login.html and dashboard.html ── */
/* Depends on variables + reset + fonts from style.css, loaded first. */

/* ── Simple top bar (lighter than the full marketing nav) ── */
.auth-bar {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 28px;
}
.auth-bar-logo { display: flex; align-items: center; gap: 10px; }
.auth-bar-logo img { height: 30px; width: auto; display: block; }
.auth-bar-logo span {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ══════════════════════ Login ══════════════════════ */
.auth-shell {
  position: relative;
  z-index: 1;
  min-height: calc(100vh - 78px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 28px 64px;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 40px 36px;
  box-shadow: 0 24px 60px rgba(10, 18, 20, 0.35);
  position: relative;
  overflow: hidden;
}
.auth-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.45;
}

.auth-card-header { text-align: center; margin-bottom: 30px; }
.auth-card-header .label { display: block; margin-bottom: 10px; }
.auth-card-header h1 {
  font-size: 1.8rem;
  margin-bottom: 8px;
}
.auth-card-header p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
}

.auth-form .form-group { margin-bottom: 20px; }
.auth-form label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.auth-form .label-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}
.auth-form .label-row label { margin-bottom: 8px; }

.inline-link {
  background: none;
  border: none;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.04em;
  color: var(--accent-dim);
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
  transition: color 0.2s;
  white-space: nowrap;
}
.inline-link:hover { color: var(--accent); }
.auth-form input {
  width: 100%;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 12px 14px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.94rem;
  letter-spacing: 0.02em;
  outline: none;
  transition: border-color 0.2s, background 0.2s;
}
.auth-form input::placeholder { color: var(--text-muted); opacity: 0.4; }
.auth-form input:focus { border-color: rgba(240, 201, 160, 0.45); background: var(--bg-deep); }
.auth-form input:disabled { opacity: 0.5; }

.password-field { position: relative; }
.password-field input { padding-right: 42px; }
.password-toggle {
  position: absolute;
  top: 50%;
  right: 6px;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  background: none;
  border: none;
  border-radius: 4px;
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.2s, background 0.2s;
}
.password-toggle:hover { color: var(--accent); background: var(--accent-faint); }
.password-toggle:disabled { opacity: 0.5; cursor: not-allowed; }

.auth-hint {
  font-size: 0.76rem;
  color: var(--text-muted);
  opacity: 0.75;
  margin-top: -8px;
  margin-bottom: 22px;
  line-height: 1.5;
}

.auth-submit {
  width: 100%;
  text-align: center;
  margin-top: 4px;
}
.auth-submit[disabled] {
  opacity: 0.55;
  cursor: not-allowed;
  background: var(--accent);
  color: var(--bg-deep);
}

.auth-alert {
  display: none;
  align-items: flex-start;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  line-height: 1.5;
  border-radius: 5px;
  padding: 12px 14px;
  margin-bottom: 20px;
  letter-spacing: 0.01em;
}
.auth-alert.show { display: flex; }
.auth-alert-error {
  color: var(--red);
  border: 1px solid rgba(200, 112, 112, 0.35);
  background: rgba(200, 112, 112, 0.08);
}
.auth-alert-info {
  color: var(--accent);
  border: 1px solid rgba(240, 201, 160, 0.3);
  background: rgba(240, 201, 160, 0.07);
}
.auth-alert-icon { flex-shrink: 0; font-family: var(--font-sans); }

.auth-footnote {
  text-align: center;
  margin-top: 26px;
  font-size: 0.78rem;
  color: var(--text-muted);
}
.auth-footnote a { border-bottom: 1px dotted var(--accent-dim); }

/* ══════════════════════ Dashboard ══════════════════════ */
.dash-bar {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(34, 57, 62, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.dash-bar-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 16px;
}
.dash-bar-logo { display: flex; align-items: center; gap: 12px; min-width: 0; }
.dash-bar-logo img { height: 30px; width: auto; display: block; flex-shrink: 0; }
.dash-device {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.dash-device strong { color: var(--accent); font-weight: 500; }

.btn-ghost {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  padding: 9px 18px;
  background: transparent;
  color: var(--text-muted);
  border: 1.5px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
  flex-shrink: 0;
}
.btn-ghost:hover { color: var(--red); border-color: rgba(200, 112, 112, 0.4); }

.dash-main {
  position: relative;
  z-index: 1;
  max-width: 1080px;
  margin: 0 auto;
  padding: 40px 28px 80px;
}

.dash-loading, .dash-error {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
  padding: 60px 0;
  justify-content: center;
  text-align: center;
}
.dash-error { color: var(--red); }

.spinner {
  width: 14px; height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Summary card: current reading */
.summary-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 32px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 32px;
  align-items: center;
  position: relative;
  overflow: hidden;
  margin-bottom: 32px;
}
.summary-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.45;
}
@media (max-width: 720px) {
  .summary-card { grid-template-columns: 1fr; text-align: center; }
  .summary-badge { justify-self: center; }
}

.summary-reading { text-align: center; }
.summary-label {
  font-size: 0.56rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.summary-value {
  font-size: 4rem;
  font-weight: 300;
  color: var(--accent);
  letter-spacing: -0.03em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.summary-unit { font-size: 0.76rem; color: var(--text-muted); letter-spacing: 0.1em; margin-top: 4px; }

.summary-meta { display: flex; flex-direction: column; gap: 12px; }
.summary-meta-item { display: flex; flex-direction: column; gap: 2px; }
.summary-meta-lbl { font-size: 0.54rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-muted); }
.summary-meta-val { font-family: var(--font-mono); font-size: 0.82rem; color: var(--text-primary); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 8px 16px;
  border-radius: 20px;
  white-space: nowrap;
}
.badge-dot { width: 7px; height: 7px; border-radius: 50%; }
.badge-safe { color: var(--green); background: rgba(126, 184, 154, 0.1); border: 1px solid rgba(126, 184, 154, 0.3); }
.badge-safe .badge-dot { background: var(--green); box-shadow: 0 0 6px var(--green); }
.badge-caution { color: var(--yellow); background: rgba(212, 168, 75, 0.1); border: 1px solid rgba(212, 168, 75, 0.3); }
.badge-caution .badge-dot { background: var(--yellow); box-shadow: 0 0 6px var(--yellow); }
.badge-elevated { color: var(--red); background: rgba(200, 112, 112, 0.1); border: 1px solid rgba(200, 112, 112, 0.3); }
.badge-elevated .badge-dot { background: var(--red); box-shadow: 0 0 6px var(--red); animation: blink 1.4s ease-in-out infinite; }

/* Chart */
.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px;
  margin-bottom: 32px;
}
.panel-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 20px; gap: 12px; flex-wrap: wrap; }
.panel-title { font-size: 1rem; color: var(--accent); font-weight: 500; }
.panel-sub { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted); opacity: 0.7; }

.chart-svg { width: 100%; height: auto; display: block; overflow: visible; }
.chart-line { fill: none; stroke: var(--accent); stroke-width: 2; }
.chart-area { fill: url(#chartFade); opacity: 0.5; }
.chart-threshold { stroke: var(--red); stroke-width: 1; stroke-dasharray: 4 4; opacity: 0.5; }
.chart-point { fill: var(--bg-panel); stroke-width: 2; cursor: pointer; transition: r 0.15s; }
.chart-point:hover { r: 5.5; }
.chart-point.selected { fill: var(--accent); stroke-width: 2.5; }
.chart-axis-label { font-family: var(--font-mono); font-size: 9px; fill: var(--text-muted); opacity: 0.7; }
.chart-empty { text-align: center; padding: 40px 0; color: var(--text-muted); font-size: 0.85rem; }

.chart-detail {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 18px;
  margin-bottom: 20px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}
.chart-detail .detail-item { display: flex; flex-direction: column; gap: 3px; }
.chart-detail .detail-lbl { font-size: 0.56rem; letter-spacing: 0.12em; text-transform: uppercase; opacity: 0.75; }
.chart-detail .detail-val { color: var(--text-primary); font-size: 0.88rem; }
.chart-detail .badge { margin-left: auto; }

.readings-table tr.row-selected td { background: var(--accent-faint); }

/* Table */
.table-wrap { overflow-x: auto; }
.readings-table { width: 100%; border-collapse: collapse; font-size: 0.86rem; }
.readings-table th {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: left;
  padding: 0 16px 12px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.readings-table td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--border-dim);
  color: var(--text-primary);
  white-space: nowrap;
}
.readings-table tr:last-child td { border-bottom: none; }
.readings-table tr:hover td { background: var(--accent-faint); }
.readings-table td.mono-cell { font-family: var(--font-mono); }
.readings-table .val-cell { font-variant-numeric: tabular-nums; font-weight: 500; }

@media (max-width: 600px) {
  .readings-table th:nth-child(3), .readings-table td:nth-child(3) { display: none; }
  .summary-value { font-size: 3rem; }
  .panel { padding: 20px; }
}