/* Copyright (C) 2026 the USCIS Prober contributors
   SPDX-License-Identifier: AGPL-3.0-or-later */
:root {
  --bg: #f4f7fc;
  --bg-elev: #ffffff;
  --bg-elev-2: #f0f4fb;
  --bg-gradient-top: #e8eefb;
  --border: #d7dfee;
  --border-soft: #e4eaf4;
  --text: #1a2240;
  --muted: #5a678a;
  --muted-2: #7e8aab;
  --accent: #3a5cd8;
  --accent-hot: #2c48b8;
  --ok: #1e9b6d;
  --warn: #b07826;
  --bad: #c24444;
  --pill-bg: #eaefff;
  --topbar-bg: rgba(255, 255, 255, 0.85);
  --ok-tint: rgba(30, 155, 109, 0.12);
  --warn-tint: rgba(176, 120, 38, 0.14);
  --bad-tint: rgba(194, 68, 68, 0.12);
  --ok-tint-soft: rgba(30, 155, 109, 0.10);
  --bad-tint-soft: rgba(194, 68, 68, 0.08);
  --shadow: 0 4px 16px rgba(25, 35, 70, 0.08);

  --radius: 12px;
  --radius-sm: 8px;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Inter, "Helvetica Neue", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  background: radial-gradient(ellipse at top, var(--bg-gradient-top) 0%, var(--bg) 60%) fixed;
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
  transition: background 0.2s ease, color 0.2s ease;
}

/* ---------- top bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  background: var(--topbar-bg);
  backdrop-filter: saturate(150%) blur(10px);
  border-bottom: 1px solid var(--border-soft);
}
.topbar-left { display: flex; align-items: center; gap: 14px; }
.topbar-left h1 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.brand-logo {
  display: block;
  flex-shrink: 0;
}
.subtitle { color: var(--muted); font-size: 0.85rem; }
.topbar-right { display: flex; align-items: center; gap: 16px; }

.countdown { display: flex; flex-direction: column; align-items: flex-end; line-height: 1.2; }
.countdown .label {
  font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted-2);
}
.countdown .value {
  font-family: var(--font-mono);
  font-size: 0.95rem; color: var(--accent-hot);
}
.countdown .when { font-size: 0.7rem; color: var(--muted); }

.pull-btn {
  /* Box model is shared between <button> and <a> variants so the two
     visually match: both reserve a 1px border (transparent on primary,
     coloured on secondary) and the same explicit height. */
  box-sizing: border-box;
  height: 36px;
  padding: 0 16px;
  font: inherit;
  font-weight: 600;
  font-size: 0.9rem;
  line-height: 1;
  color: var(--bg);
  background: var(--accent-hot);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: transform 0.08s ease, background 0.2s ease,
              border-color 0.2s ease, color 0.2s ease;
}
.pull-btn:hover { background: #a7c4ff; }
.pull-btn:active { transform: translateY(1px); }
.pull-btn[disabled] { opacity: 0.6; cursor: not-allowed; }

/* Secondary button variant — used for the export link. */
.pull-btn-secondary {
  background: transparent;
  color: var(--accent);
  border-color: var(--border);
}
.pull-btn-secondary:hover {
  background: var(--pill-bg);
  color: var(--accent-hot);
  border-color: var(--accent);
}

/* "Export data" + its info popover live in a positioning context. */
.export-group {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.info-badge {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  font: 600 11px/1 var(--font-sans);
  font-style: italic;
  cursor: pointer;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.info-badge:hover,
.info-badge[aria-expanded="true"] {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--pill-bg);
}

.info-popover {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 20;
  width: 320px;
  padding: 12px 14px;
  background: var(--bg-elev);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  font-size: 0.82rem;
  line-height: 1.45;
}
.info-popover code {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  background: var(--bg-elev-2);
  padding: 0 4px;
  border-radius: 3px;
}
.info-popover strong {
  display: block;
  margin-bottom: 4px;
  color: var(--accent);
}

.pull-indicator {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 10px;
  background: var(--pill-bg); border-radius: 999px;
  font-size: 0.82rem; color: var(--muted);
}
.spinner {
  width: 12px; height: 12px; border-radius: 50%;
  border: 2px solid var(--border);
  border-top-color: var(--accent-hot);
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- top-level view tabs ---------- */
.view-tabs {
  max-width: 1100px;
  margin: 24px auto 0;
  padding: 0 28px;
  display: flex;
  gap: 6px;
  border-bottom: 1px solid var(--border-soft);
}
.view-tab {
  position: relative;
  padding: 10px 16px;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  background: transparent;
  color: var(--muted);
  border: 0;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: -1px;
}
.view-tab:hover { color: var(--text); }
.view-tab.active {
  color: var(--accent-hot);
  border-bottom-color: var(--accent-hot);
}
.view-tab-count {
  background: var(--pill-bg);
  color: var(--muted);
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
}
.view-tab.active .view-tab-count {
  background: var(--accent-hot);
  color: var(--bg);
}

/* ---------- case list ---------- */
main {
  max-width: 1100px;
  margin: 16px auto 64px;
  padding: 0 28px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}
main[hidden] { display: none; }

.case-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.case-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  padding: 18px 22px 12px;
  gap: 16px;
}
.case-title { display: flex; flex-direction: column; gap: 2px; }
.case-label { font-size: 1.1rem; font-weight: 700; letter-spacing: 0.02em; }
.case-receipt {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
}
.case-meta {
  display: flex; flex-direction: column; align-items: flex-end; gap: 2px;
  font-size: 0.82rem; color: var(--muted);
}
.case-meta .big {
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 500;
}

.case-badges {
  display: flex; flex-wrap: wrap; gap: 6px;
  padding: 0 22px 14px;
}
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px;
  background: var(--pill-bg); border-radius: 999px;
  font-size: 0.76rem; color: var(--muted);
}
.badge strong { color: var(--text); font-weight: 600; }
.badge.ok { background: var(--ok-tint); color: var(--ok); }
.badge.warn { background: var(--warn-tint); color: var(--warn); }
.badge.bad { background: var(--bad-tint); color: var(--bad); }

/* ---------- tabs ---------- */
.tabs {
  display: flex; gap: 2px;
  padding: 0 14px;
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  background: var(--bg-elev-2);
}
.tab {
  padding: 10px 14px;
  font: inherit; font-size: 0.82rem;
  color: var(--muted); background: transparent;
  border: 0; border-bottom: 2px solid transparent;
  cursor: pointer;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--accent-hot); border-bottom-color: var(--accent-hot); }

.tab-panels { padding: 18px 22px 22px; min-height: 100px; }

/* ---------- overview: hero metrics ---------- */
.hero-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px;
}
.metric {
  background: var(--bg-elev-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  position: relative;
  overflow: hidden;
  /* Uniform internal layout so every card has matching label / value /
     sub slots — keeps the numbers on a shared baseline across a row,
     even when one label wraps or a sub-line is missing. */
  display: flex;
  flex-direction: column;
}
.metric::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--border);
}
.metric.ok::before   { background: var(--ok); }
.metric.warn::before { background: var(--warn); }
.metric.bad::before  { background: var(--bad); }
.metric-label {
  font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--muted-2);
  line-height: 1.25;
  /* Reserve 2 label lines so a wrapped label ('DAYS SINCE LAST ACTIVITY')
     doesn't push its value below a single-line neighbour. */
  min-height: 2.5em;
  display: flex;
  align-items: flex-start;
}
.metric-value {
  margin-top: 4px;
  font-size: 1.65rem; font-weight: 700; letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1.1;
}
.metric-value.metric-value-sm {
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: 0;
}

/* ---------- inferred insights section ------------------------------------ */
/* Visually distinct so a reader cannot mistake this for raw USCIS data.     */
/* Dashed border + a loud "INFERRED" badge + disclaimer banner carry the     */
/* semantic load.                                                            */

/* Observed event codes — dedicated, factual-only box. One row per
 * event returned by the USCIS API: date + code + friendly label. No
 * stage inference, no happy-path stepper, no community folklore. */
.events-section {
  margin-top: 18px;
  padding: 14px 16px 16px;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.events-heading {
  margin: 0 0 10px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.events-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: auto auto;
  gap: 6px 16px;
  align-items: baseline;
  justify-content: start;
}
.events-item {
  display: contents;
  font-size: 0.84rem;
}
.events-date {
  font-family: var(--font-mono);
  color: var(--muted);
  font-size: 0.82rem;
}
.events-code {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--accent);
  padding: 1px 8px;
  background: var(--pill-bg);
  border-radius: var(--radius-sm);
  justify-self: start;
}
/* Silent-update rows get a de-emphasised variant — same shape, muted
 * palette — so the factual event codes remain the visual anchor. */
.events-code-silent {
  color: var(--muted);
  background: transparent;
  border: 1px dashed var(--border);
  font-weight: 500;
}

/* ---------- system log view ----------
 * Event rows shown on the System log tab. Each row is a pill-headed
 * block with a timestamp, event name, source, and any detail fields
 * flattened out underneath. */
.syslog-block {
  display: block;
  margin: 0 0 10px;
  padding: 10px 14px;
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
}
.syslog-ok   { border-left: 3px solid var(--ok); }
.syslog-bad  { border-left: 3px solid var(--bad); background: var(--bad-tint-soft); }
.syslog-warn { border-left: 3px solid var(--warn); background: var(--warn-tint); }
.syslog-info { border-left: 3px solid var(--accent); }
.syslog-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 0.84rem;
}
.syslog-source {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 1px 7px;
  border-radius: 999px;
  background: var(--pill-bg);
  color: var(--muted);
}
.syslog-ts {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
}
.syslog-event {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--muted-2);
}
.syslog-details {
  margin-top: 8px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 3px 14px;
  align-items: baseline;
  font-size: 0.78rem;
}
.syslog-detail { display: contents; }
.syslog-detail-k {
  font-family: var(--font-mono);
  color: var(--muted);
  font-size: 0.74rem;
}
.syslog-controls {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  flex-wrap: wrap;
}

.syslog-export-btn {
  font: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.12s;
  line-height: 1.2;
}
.syslog-export-btn:hover { background: var(--bg-elev); }

.clear-log-control { display: inline-flex; }

.clear-log-btn {
  font: inherit;
  background: transparent;
  color: var(--bad);
  border: 1px solid var(--bad);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  transition: background 0.12s;
}
.clear-log-btn:hover { background: var(--bad-tint); }

.syslog-head-row { gap: 14px; }

/* ---------- modal dialog (shared) ---------- */
/* The overlay is position:fixed so opening it does NOT reflow the page
   underneath — event rows, header, and other controls stay exactly
   where they were. */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 20, 30, 0.42);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 24px;
  animation: modal-fade-in 0.12s ease-out;
}
@keyframes modal-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.18);
  max-width: 480px;
  width: 100%;
  padding: 20px 22px;
  animation: modal-pop-in 0.14s ease-out;
}
@keyframes modal-pop-in {
  from { transform: scale(0.96); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-card-danger { border-top: 3px solid var(--bad); }

.modal-title {
  margin: 0 0 12px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
}
.modal-card-danger .modal-title { color: var(--bad); }

.modal-body {
  color: var(--text);
  font-size: 0.9rem;
  line-height: 1.5;
}
.modal-body p { margin: 0 0 10px; }
.modal-body p:last-child { margin-bottom: 0; }
.modal-body strong { color: var(--bad); }
.modal-hint {
  color: var(--muted);
  font-size: 0.82rem;
}

.modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 18px;
}
.modal-btn {
  font: inherit;
  font-size: 0.88rem;
  font-weight: 500;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  line-height: 1.2;
}
.modal-btn-cancel {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.modal-btn-cancel:hover { background: var(--bg-elev); }
.modal-btn-danger {
  background: var(--bad);
  border: 1px solid var(--bad);
  color: #fff;
}
.modal-btn-danger:hover { filter: brightness(0.92); }
.modal-btn-danger:focus-visible { outline: 2px solid var(--bad); outline-offset: 2px; }
.modal-btn[disabled] { opacity: 0.6; cursor: not-allowed; }

.syslog-detail-v {
  font-family: var(--font-mono);
  color: var(--text);
  word-break: break-word;
}

.metric-sub {
  color: var(--muted);
  font-size: 0.78rem;
  margin-top: 3px;
  /* Reserve a sub line even on metrics that don't have one — keeps
     card heights identical in the 2x2 mobile grid. */
  min-height: 1.1em;
}

/* ---------- callouts ---------- */
.callouts { display: flex; flex-direction: column; gap: 10px; margin-top: 14px; }
.callout {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-soft);
  background: var(--bg-elev-2);
  display: flex; flex-direction: column; gap: 2px;
  border-left-width: 3px;
}
.callout-ok   { border-left-color: var(--ok); }
.callout-warn { border-left-color: var(--warn); }
.callout-bad  { border-left-color: var(--bad); }
.callout-info { border-left-color: var(--accent-hot); }
.callout-title { font-weight: 600; font-size: 0.88rem; }
.callout-ok   .callout-title { color: var(--ok); }
.callout-warn .callout-title { color: var(--warn); }
.callout-bad  .callout-title { color: var(--bad); }
.callout-info .callout-title { color: var(--accent-hot); }
.callout-body { color: var(--muted); font-size: 0.82rem; }

/* ---------- secondary facts ----------
 * Grid of equal-width cells so labels and values line up vertically
 * regardless of individual content length. `auto-fit` plus a minmax
 * floor keeps it responsive on narrow viewports. */
.sub-facts {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border-soft);
}
.sub-fact {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;   /* allow long values to shrink instead of forcing reflow */
}
.sub-fact-k {
  font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--muted-2);
  white-space: nowrap;
}
.sub-fact-v {
  font-size: 0.88rem;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sub-fact-v.mono { font-family: var(--font-mono); font-size: 0.82rem; }

/* ---------- timeline ---------- */
.timeline {
  position: relative;
  padding: 8px 0;
}
.timeline-row {
  display: grid;
  grid-template-columns: 130px 1fr;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-soft);
}
.timeline-row:last-child { border-bottom: 0; }
.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
}
.timeline-items { display: flex; flex-wrap: wrap; gap: 6px; }
.event-chip {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--pill-bg);
  color: var(--accent-hot);
  border: 1px solid var(--border);
}
.event-chip.notice { color: var(--warn); }
.event-chip.updated { color: var(--ok); border-color: var(--ok); }
.event-chip.stale { color: var(--muted-2); opacity: 0.7; }
.event-chip.silent {
  color: var(--accent-hot);
  border-color: var(--accent-hot);
  position: relative;
  padding-left: 20px;
}
.event-chip.silent::before {
  content: "";
  position: absolute;
  left: 7px; top: 50%; transform: translateY(-50%);
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent-hot);
  box-shadow: 0 0 0 0 var(--accent-hot);
  animation: silent-pulse 1.6s infinite;
}
@keyframes silent-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(138,178,255,0.55); }
  70%  { box-shadow: 0 0 0 8px rgba(138,178,255,0); }
  100% { box-shadow: 0 0 0 0 rgba(138,178,255,0); }
}
.timeline-caption {
  font-size: 0.78rem; color: var(--muted); margin-left: 4px;
}

.activity-scroller {
  margin-top: 8px;
  padding: 14px;
  background: var(--bg-elev-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
}
.activity-scroller h4 {
  margin: 0 0 10px 0; font-size: 0.78rem;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted-2);
}

/* ---------- changes ---------- */
.change-block {
  background: var(--bg-elev-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-bottom: 12px;
}
.change-block-head {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 10px;
  gap: 10px;
}
.change-range { font-family: var(--font-mono); }
.change-arrow { color: var(--accent-hot); }

.kind-tag {
  font-size: 0.7rem;
  padding: 2px 9px;
  border-radius: 999px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  background: var(--pill-bg);
  color: var(--muted);
  border: 1px solid var(--border-soft);
}
.kind-tag.kind-ok     { color: var(--ok);         border-color: var(--ok);         background: var(--ok-tint-soft); }
.kind-tag.kind-warn   { color: var(--warn);       border-color: var(--warn);       background: var(--warn-tint); }
.kind-tag.kind-bad    { color: var(--bad);        border-color: var(--bad);        background: var(--bad-tint-soft); }
.kind-tag.kind-silent { color: var(--accent-hot); border-color: var(--accent-hot); background: rgba(138,178,255,0.12); }
.change-section { margin-top: 8px; }
.change-section h5 {
  margin: 0 0 6px 0; font-size: 0.72rem;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted-2);
  font-weight: 700;
}
.change-scalar {
  display: grid; grid-template-columns: 180px 1fr 1fr;
  column-gap: 8px; padding: 4px 0;
  font-family: var(--font-mono); font-size: 0.8rem;
}
.change-scalar .field { color: var(--muted); }
.change-scalar .from { color: var(--bad); text-decoration: line-through; opacity: 0.75; }
.change-scalar .to { color: var(--ok); }
.change-item-added, .change-item-removed {
  font-family: var(--font-mono); font-size: 0.78rem;
  padding: 3px 8px; border-radius: 4px; display: inline-block;
  margin: 2px 4px 2px 0;
}
.change-item-added { background: var(--ok-tint-soft); color: var(--ok); }
.change-item-removed { background: var(--bad-tint-soft); color: var(--bad); }
.no-changes {
  color: var(--muted);
  font-style: italic;
  text-align: center;
  padding: 24px;
}

/* ---------- raw ---------- */
.raw-controls {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.raw-controls select {
  padding: 6px 10px;
  background: var(--bg-elev-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font: inherit; font-size: 0.85rem;
}
.raw-actions {
  margin-left: auto;
  display: inline-flex;
  gap: 8px;
}
.raw-btn {
  padding: 6px 12px;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--bg);
  background: var(--accent-hot);
  border: 1px solid var(--accent-hot);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.raw-btn:hover { background: var(--accent); border-color: var(--accent); }
.raw-btn-ghost {
  color: var(--accent-hot);
  background: transparent;
}
.raw-btn-ghost:hover {
  background: var(--pill-bg);
  color: var(--text);
}
.raw-btn-copied,
.raw-btn-copied:hover {
  color: var(--ok);
  border-color: var(--ok);
  background: transparent;
}
pre.raw {
  margin: 0;
  padding: 14px 16px;
  background: var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
  max-height: 520px;
  overflow: auto;
  white-space: pre;
  tab-size: 4;
}
pre.raw .json-key     { color: var(--accent);   font-weight: 600; }
pre.raw .json-string  { color: #0d7047; }   /* muted green for string values */
pre.raw .json-number  { color: #b25510; }   /* warm ochre for numbers */
pre.raw .json-bool    { color: #7a3fbd; font-weight: 600; }
pre.raw .json-null    { color: var(--muted); font-style: italic; }

/* ---------- updates feed ---------- */
.updates-head {
  display: flex; justify-content: space-between; align-items: flex-end;
  padding: 6px 4px 4px;
}
.updates-head h2 { margin: 0; font-size: 1.2rem; font-weight: 600; }
.updates-sub { color: var(--muted); font-size: 0.85rem; margin-top: 4px; }

.updates-empty {
  padding: 48px 32px;
  text-align: center;
  background: var(--bg-elev);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  color: var(--muted);
}
.updates-empty h3 { margin: 0 0 8px; color: var(--text); font-weight: 600; }
.updates-empty p { margin: 0; max-width: 600px; margin-inline: auto; font-size: 0.88rem; }

.update-record {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.update-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.update-head-left {
  display: flex; align-items: baseline; gap: 10px;
}
.update-case {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
}
.update-receipt {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
}
.update-dates {
  font-size: 0.82rem;
  color: var(--muted);
  font-family: var(--font-mono);
}

/* ---------- toast ---------- */
#toast {
  position: fixed;
  bottom: 24px; right: 24px;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 30;
}
#toast.show { opacity: 1; transform: translateY(0); }
#toast.ok { border-color: var(--ok); }
#toast.bad { border-color: var(--bad); }

/* ====================================================================== */
/* Responsive: the desktop layout above is the default; overrides below   */
/* kick in at tablet/phone widths. Breakpoints:                            */
/*   ≤ 900px : tablet — main padding shrinks, case-header stacks          */
/*   ≤ 640px : phone — topbar stacks, metrics 2-col, stepper scrolls      */
/* ====================================================================== */

@media (max-width: 900px) {
  main,
  .view-tabs {
    padding-left: 16px;
    padding-right: 16px;
  }

  /* Topbar stacks from 900px down — desktop's space-between layout starts
     to squeeze the title into two lines before we hit the phone breakpoint. */
  .topbar {
    padding: 14px 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }
  .topbar-left {
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
  }
  .topbar-right {
    gap: 12px;
    flex-wrap: wrap;
  }

  .case-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  .case-meta {
    align-items: flex-start;
    font-size: 0.8rem;
  }
  .case-meta .big { font-size: 0.88rem; }

  /* 2x2 metrics at tablet so the 4th tile never hangs as an orphan. */
  .hero-metrics { grid-template-columns: 1fr 1fr; }

  .change-block-head { flex-wrap: wrap; }
  .change-scalar {
    grid-template-columns: 1fr;
    gap: 2px 0;
    padding: 6px 0;
    border-bottom: 1px dashed var(--border-soft);
  }
  .change-scalar .field {
    grid-column: 1 / -1;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--muted-2);
    margin-bottom: 2px;
  }
  .change-scalar .from,
  .change-scalar .to { padding-left: 4px; }
}

@media (max-width: 640px) {
  /* Topbar already stacks at ≤900px; at phone we just tighten sizes. */
  .topbar { padding: 12px 16px; }
  .topbar-left h1 { font-size: 1.05rem; }
  .subtitle {
    font-size: 0.75rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
  }
  .topbar-right { justify-content: space-between; gap: 10px; }
  /* The countdown label and timestamp are fine to hide at this size — the
     value alone is readable, and the timestamp duplicates info in the UI. */
  .countdown { flex-direction: row; align-items: center; gap: 6px; }
  .countdown .label,
  .countdown .when { display: none; }
  .countdown .value { font-size: 0.82rem; }
  .pull-btn {
    height: 32px;
    padding: 0 12px;
    font-size: 0.85rem;
    flex: 0 1 auto;
  }
  .pull-indicator { font-size: 0.76rem; padding: 5px 9px; }

  /* ---------- view tabs ---------- */
  .view-tab { padding: 9px 12px; font-size: 0.85rem; }

  /* ---------- case card header ---------- */
  .case-card { border-radius: 10px; }
  .case-header { padding: 14px 16px 10px; gap: 6px; }
  .case-label { font-size: 1rem; }
  .case-badges { padding: 0 16px 12px; }
  .badge { font-size: 0.72rem; padding: 2px 8px; }

  /* Per-case tab bar — scrolls horizontally if needed, no wrap. */
  .tabs {
    padding: 0 8px;
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .tabs::-webkit-scrollbar { display: none; }
  .tab { padding: 10px 12px; font-size: 0.8rem; white-space: nowrap; }

  .tab-panels { padding: 14px 16px 18px; }

  /* ---------- overview metrics: 2 columns on phone ---------- */
  .hero-metrics { grid-template-columns: 1fr 1fr; gap: 8px; }
  .metric { padding: 11px 12px; }
  .metric-value { font-size: 1.35rem; }
  .metric-value.metric-value-sm { font-size: 0.9rem; }
  .metric-label { font-size: 0.64rem; letter-spacing: 0.1em; }
  .metric-sub { font-size: 0.7rem; }

  /* ---------- timeline box ---------- */
  .events-section { padding: 12px 14px; }
  .events-list { gap: 4px 12px; }

  /* ---------- callouts + sub-facts ---------- */
  .callout { padding: 10px 12px; }
  .callout-title { font-size: 0.84rem; }
  .callout-body { font-size: 0.78rem; }

  .sub-facts {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px 14px;
    padding-top: 12px;
    margin-top: 12px;
  }
  .sub-fact-k { font-size: 0.62rem; }
  .sub-fact-v { font-size: 0.82rem; }

  /* ---------- timeline ---------- */
  .activity-scroller { padding: 12px; }
  .timeline-row {
    grid-template-columns: 100px 1fr;
    padding: 6px 0;
  }
  .timeline-date { font-size: 0.72rem; word-break: break-all; }
  .event-chip { font-size: 0.68rem; padding: 2px 6px; }
  .timeline-caption { font-size: 0.72rem; }

  /* ---------- changes blocks ---------- */
  .change-block { padding: 12px 14px; }
  .change-block-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    font-size: 0.78rem;
  }

  /* ---------- raw JSON tab ---------- */
  .raw-controls { flex-direction: column; align-items: stretch; gap: 8px; }
  .raw-actions { margin-left: 0; flex-wrap: wrap; }
  .raw-btn { flex: 1 1 auto; }
  pre.raw { font-size: 0.72rem; padding: 12px; }

  /* ---------- updates feed ---------- */
  .updates-head { flex-direction: column; gap: 4px; }
  .update-record { padding: 14px 14px; }
  .update-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  .update-head-left { flex-wrap: wrap; }
  .update-case { font-size: 0.95rem; white-space: nowrap; }
  .update-dates { font-size: 0.76rem; word-break: break-all; }
  .kind-tag { font-size: 0.64rem; padding: 2px 7px; }

  /* ---------- login gate ---------- */
  .gate {
    width: 100%;
    margin: 16px;
    padding: 22px 22px 20px;
  }
}

/* Extra-narrow screens (e.g. 320px iPhone SE 1st gen) */
@media (max-width: 380px) {
  .hero-metrics { grid-template-columns: 1fr; }
  .sub-facts { grid-template-columns: 1fr; }
  .case-meta .big { font-size: 0.8rem; }
}