/* CaseCommand — Shared App Styles
 * Cohere Design System — enterprise command deck */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;1,400&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* ── Cohere surface tokens ──────────────────────── */
  --bg:          #ffffff;
  --surface:     #fafafa;
  --fg:          #000000;
  --fg-2:        #212121;
  --muted:       #93939f;
  --border:      #d9d9dd;
  --border-soft: #f2f2f2;
  --accent:      #1863dc;
  --accent-on:   #ffffff;
  --success:     #16a34a;
  --warn:        #d97706;
  --danger:      #dc2626;

  /* ── Typography ─────────────────────────────────── */
  --font-display: "Playfair Display", "CohereText", Georgia, serif;
  --font-body:    "Inter", "Unica77 Cohere Web", -apple-system, system-ui, sans-serif;
  --font-mono:    "JetBrains Mono", "CohereMono", ui-monospace, monospace;

  --text-xs:   11px;
  --text-sm:   13px;
  --text-base: 15px;
  --text-lg:   17px;
  --text-xl:   20px;
  --text-2xl:  26px;
  --text-3xl:  36px;

  /* ── Spacing ────────────────────────────────────── */
  --sp-1:  4px;
  --sp-2:  8px;
  --sp-3:  12px;
  --sp-4:  16px;
  --sp-5:  20px;
  --sp-6:  24px;
  --sp-8:  32px;
  --sp-12: 48px;

  /* ── Radii ──────────────────────────────────────── */
  --r-sm:   8px;
  --r-md:   22px;   /* Cohere signature card radius */
  --r-pill: 9999px;

  /* ── Motion ─────────────────────────────────────── */
  --ease: cubic-bezier(0.2, 0, 0, 1);

  /* ── Layout ─────────────────────────────────────── */
  --sidebar-w: 244px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; overflow: hidden; }
body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--fg-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; }

/* ════════════════════════════════════════════════════
   APP SHELL
   ════════════════════════════════════════════════════ */
.app { display: flex; height: 100vh; }

/* ── Sidebar ─────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
}

.sb-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px var(--sp-4);
  border-bottom: 1px solid var(--border-soft);
  flex-shrink: 0;
}
.sb-logo-mark {
  width: 27px; height: 27px;
  background: var(--fg);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.sb-logo-name {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--fg);
  letter-spacing: -0.01em;
}
a.sb-logo { cursor: pointer; transition: opacity 120ms var(--ease); }
a.sb-logo:hover { opacity: 0.72; }

/* Case context block */
.sb-case {
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 1px solid var(--border-soft);
  flex-shrink: 0;
}
.sb-case-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
}
.sb-case-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--fg);
  line-height: 1.3;
  margin-bottom: 4px;
}
.sb-case-meta {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  margin-bottom: 6px;
}

/* Nav */
.sb-nav { padding: var(--sp-2); flex: 1; }
.sb-nav-section { margin-bottom: 0; }
.sb-section-lbl {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 10px 10px 3px;
  display: block;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 10px;
  border-radius: var(--r-sm);
  font-size: var(--text-sm);
  color: var(--fg-2);
  cursor: pointer;
  transition: background 120ms var(--ease), color 120ms var(--ease);
}
.nav-item:hover { background: var(--border-soft); color: var(--fg); }
.nav-item.active {
  background: rgba(24, 99, 220, 0.07);
  color: var(--accent);
  font-weight: 500;
}
.nav-icon {
  width: 15px; height: 15px;
  flex-shrink: 0;
  opacity: 0.45;
}
.nav-item.active .nav-icon { opacity: 1; }
.nav-item:hover .nav-icon { opacity: 0.7; }
.nav-badge {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 1px 5px;
  border-radius: var(--r-pill);
  background: var(--border-soft);
  color: var(--muted);
}
.nav-badge-alert { background: #fee2e2; color: #991b1b; }

/* Sidebar footer */
.sb-footer {
  padding: var(--sp-3) var(--sp-4);
  border-top: 1px solid var(--border-soft);
  flex-shrink: 0;
}
.sb-user {
  display: flex; align-items: center; gap: var(--sp-2);
  padding: 7px;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: background 120ms;
}
.sb-user:hover { background: var(--border-soft); }
.sb-avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: #17171c;
  color: white;
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 600;
  flex-shrink: 0;
  letter-spacing: 0.03em;
}
.sb-user-name  { font-size: var(--text-sm); font-weight: 500; color: var(--fg); line-height: 1.2; }
.sb-user-role  { font-size: 10px; color: var(--muted); }

/* ── Main Content ────────────────────────────────── */
.content { flex: 1; display: flex; flex-direction: column; overflow: hidden; min-width: 0; }

.c-header {
  padding: var(--sp-5) var(--sp-8);
  border-bottom: 1px solid var(--border-soft);
  display: flex; align-items: center; justify-content: space-between;
  flex-shrink: 0;
  background: var(--bg);
}
.c-header-l { display: flex; flex-direction: column; gap: 3px; }
.c-eyebrow {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted);
}
.c-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--fg);
  letter-spacing: -0.02em;
  line-height: 1;
}
.c-header-r { display: flex; align-items: center; gap: var(--sp-2); }
.c-body { flex: 1; overflow-y: auto; padding: var(--sp-6) var(--sp-8); }

/* ════════════════════════════════════════════════════
   COMPONENTS
   ════════════════════════════════════════════════════ */

/* Cards — 22px signature radius */
.card {
  background: var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-md);
}
.card-hd {
  padding: var(--sp-4) var(--sp-5);
  border-bottom: 1px solid var(--border-soft);
  display: flex; align-items: center; justify-content: space-between;
}
.card-hd-title { font-size: var(--text-sm); font-weight: 600; color: var(--fg); }
.card-hd-count { font-family: var(--font-mono); font-size: 10px; color: var(--muted); }
.card-bd { padding: var(--sp-4) var(--sp-5); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 15px;
  border-radius: var(--r-pill);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  cursor: pointer;
  border: none;
  transition: all 120ms var(--ease);
  white-space: nowrap;
}
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-solid   { background: var(--fg); color: white; }
.btn-solid:hover { background: #222; }
.btn-outline { background: transparent; color: var(--fg-2); border: 1px solid var(--border); }
.btn-outline:hover { color: var(--accent); border-color: var(--accent); }
.btn-ghost   { background: transparent; color: var(--fg-2); }
.btn-ghost:hover { color: var(--accent); }
.btn-approve { background: #f0fdf4; color: #15803d; border: 1px solid #bbf7d0; }
.btn-approve:hover { background: #dcfce7; }
.btn-dismiss { background: var(--surface); color: var(--muted); border: 1px solid var(--border-soft); }
.btn-dismiss:hover { color: var(--danger); border-color: #fca5a5; background: #fff5f5; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-xs { padding: 3px 8px; font-size: 11px; border-radius: var(--r-pill); }

/* Status pills */
.pill {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 10px; font-weight: 500;
  padding: 2px 8px;
  border-radius: var(--r-pill);
}
.pill::before {
  content: '';
  width: 4px; height: 4px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}
.pill-active   { background: #dcfce7; color: #15803d; }
.pill-pending  { background: #fef3c7; color: #92400e; }
.pill-disputed { background: #fee2e2; color: #991b1b; }
.pill-resolved { background: var(--border-soft); color: var(--muted); }
.pill-open     { background: #eff6ff; color: #1d4ed8; }
.pill-urgent   { background: #fef2f2; color: #b91c1c; }

/* Badges — mono uppercase */
.badge {
  display: inline-flex; align-items: center;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: var(--r-pill);
  font-weight: 400;
}
.badge-default  { background: var(--surface); color: var(--muted); border: 1px solid var(--border-soft); }
.badge-medical  { background: #eff6ff; color: #1d4ed8; border: 1px solid #bfdbfe; }
.badge-hearing  { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }
.badge-filing   { background: var(--surface); color: var(--muted); border: 1px solid var(--border); }
.badge-injury   { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.badge-conflict { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.badge-admin    { background: #f5f3ff; color: #6d28d9; border: 1px solid #ddd6fe; }
.badge-new      { background: #f0fdf4; color: #15803d; border: 1px solid #bbf7d0; }

/* Meta grid */
.meta-grid { display: flex; flex-direction: column; }
.meta-row {
  display: flex; justify-content: space-between; align-items: flex-start;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-soft);
  gap: var(--sp-4);
}
.meta-row:last-child { border-bottom: none; }
.meta-lbl {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
  flex-shrink: 0;
}
.meta-val { font-size: var(--text-sm); font-weight: 500; color: var(--fg); text-align: right; }

/* Divider */
.divider { height: 1px; background: var(--border-soft); margin: var(--sp-4) 0; }

/* Filter tabs */
.filter-tabs {
  display: flex; align-items: center; gap: var(--sp-1);
  padding: var(--sp-3) 0;
  border-bottom: 1px solid var(--border-soft);
  margin-bottom: var(--sp-5);
}
.filter-tab {
  padding: 5px 12px;
  border-radius: var(--r-pill);
  font-size: var(--text-sm);
  color: var(--muted);
  cursor: pointer;
  border: none;
  background: transparent;
  transition: all 120ms;
  font-family: var(--font-body);
}
.filter-tab:hover { background: var(--border-soft); color: var(--fg); }
.filter-tab.active { background: var(--fg); color: white; }

/* Source citation chip */
.source-chip {
  display: inline-flex; align-items: center; gap: 5px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent);
  background: rgba(24, 99, 220, 0.05);
  border: 1px solid rgba(24, 99, 220, 0.12);
  padding: 2px 7px;
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: background 120ms;
}
.source-chip:hover { background: rgba(24, 99, 220, 0.1); }

/* ════════════════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════════════════ */
@media (max-width: 1280px) {
  :root { --sidebar-w: 220px; }
  .c-body { padding: var(--sp-5) var(--sp-6); }
  .c-header { padding: var(--sp-4) var(--sp-6); }
}

@media (max-width: 1024px) {
  :root { --sidebar-w: 200px; }
  .c-body { padding: var(--sp-4) var(--sp-5); }
}

@media (max-width: 768px) {
  .app { flex-direction: column; }
  .sidebar {
    width: 100%; min-width: 0; height: auto;
    border-right: none; border-bottom: 1px solid var(--border);
    flex-direction: row; overflow-x: auto; flex-shrink: 0;
  }
  .sb-logo { padding: var(--sp-2) var(--sp-3); border-bottom: none; border-right: 1px solid var(--border-soft); }
  .sb-logo-name, .sb-case, .sb-footer, .sb-section-lbl { display: none; }
  .sb-nav { display: flex; padding: var(--sp-1) var(--sp-2); overflow-x: auto; flex: 1; }
  .sb-nav-section { display: flex; flex-direction: row; gap: 2px; }
  .nav-item { white-space: nowrap; gap: 6px; }
  .c-header { padding: var(--sp-3) var(--sp-4); }
  .c-body { padding: var(--sp-3) var(--sp-4); }
}

@media (max-width: 480px) {
  .c-title { font-size: 20px; }
  .nav-item span { display: none; }
  .nav-item { padding: 6px 8px; }
}