@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
  --background: #f8fafc;
  --foreground: #0f172a;
  --card: #ffffff;
  --card-foreground: #0f172a;
  --muted: #f1f5f9;
  --muted-foreground: #64748b;
  --border: #e2e8f0;
  --accent: #eef2ff;
  --primary: #4f46e5;
  --primary-foreground: #ffffff;
  --success: #16a34a;
  --warning: #ca8a04;
  --danger: #e11d48;
  --ring: #818cf8;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 10px 28px rgba(15, 23, 42, 0.08);
  --radius: 8px;
  --radius-sm: 8px;
  --transition-fast: 160ms ease-out;
  --transition-normal: 240ms ease-out;
}

body.theme-dark {
  --background: #090e1a;
  --foreground: #e5e7eb;
  --card: #111827;
  --card-foreground: #e5e7eb;
  --muted: #1f2937;
  --muted-foreground: #94a3b8;
  --border: #243145;
  --accent: #1f2a44;
  --primary: #6366f1;
  --primary-foreground: #ffffff;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #f43f5e;
  --ring: #818cf8;
}

* { box-sizing: border-box; }
*::before,
*::after { box-sizing: border-box; }
html {
  max-width: 100%;
  overflow-x: hidden;
}
body {
  margin: 0;
  max-width: 100%;
  overflow-x: hidden;
  font-family: 'Plus Jakarta Sans', sans-serif;
  background:
    radial-gradient(circle at top right, rgba(79, 70, 229, 0.10), transparent 45%),
    radial-gradient(circle at top left, rgba(14, 165, 233, 0.08), transparent 40%),
    var(--background);
  color: var(--foreground);
  transition: background var(--transition-normal), color var(--transition-normal);
}

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

img,
svg,
video,
canvas,
iframe {
  max-width: 100%;
}

a { color: inherit; }
:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

.app-shell {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  min-height: 100vh;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}
.sidebar {
  background: color-mix(in srgb, var(--card) 88%, transparent);
  border-right: 1px solid var(--border);
  backdrop-filter: blur(10px);
  padding: 1rem;
  min-width: 0;
}
.sidebar-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  margin-bottom: 1rem;
}
.brand-mark {
  font-weight: 700;
  line-height: 1.1;
}
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: .25rem;
}
.mobile-bottom-nav {
  display: none;
}
.sidebar-nav-group {
  display: contents;
}
.nav-section-title {
  padding: 0 .7rem .35rem;
  margin: 0;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-size: .7rem;
}
.main {
  min-width: 0;
  max-width: 100%;
  overflow-x: hidden;
  padding: 1.5rem;
}
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  gap: .75rem;
  min-width: 0;
}
.page-heading h1 {
  margin: 0;
  font-size: 2rem;
  line-height: 1.15;
}
.page-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: .5rem;
  flex-wrap: wrap;
  min-width: 0;
}
.topbar > * {
  min-width: 0;
}
.card {
  background: var(--card);
  color: var(--card-foreground);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 1rem;
  max-width: 100%;
  min-width: 0;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}
.card:hover { border-color: color-mix(in srgb, var(--primary) 18%, var(--border)); }
.metrics {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fill, minmax(min(180px, 100%), 1fr));
}
.metric-card strong {
  display: block;
  margin-top: .25rem;
  font-size: 1.35rem;
  line-height: 1.15;
  overflow-wrap: anywhere;
}
.table-wrap {
  max-width: 100%;
  overflow-x: hidden;
}
.table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}
.table th, .table td {
  padding: .8rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  font-size: 0.9rem;
  vertical-align: top;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.table th {
  color: var(--muted-foreground);
  font-weight: 600;
  letter-spacing: .01em;
}
.table tbody tr { transition: background var(--transition-fast); }
.table tbody tr:hover { background: color-mix(in srgb, var(--accent) 60%, transparent); }
.table-modal-row > td {
  padding: 0 !important;
  border: 0 !important;
  height: 0;
}

.input, .select, .textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.75rem;
  background: var(--card);
  color: var(--foreground);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.input:focus, .select:focus, .textarea:focus {
  border-color: color-mix(in srgb, var(--primary) 45%, var(--border));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 22%, transparent);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--foreground);
  text-decoration: none;
  cursor: pointer;
  min-height: 40px;
  line-height: 1.2;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}
.button:hover { transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.button:active { transform: translateY(0); }
.button.primary {
  background: linear-gradient(180deg, color-mix(in srgb, var(--primary) 92%, white) 0%, var(--primary) 100%);
  border-color: var(--primary);
  color: var(--primary-foreground);
}

.nav-link {
  display:block;
  border-radius: var(--radius-sm);
  padding:.55rem .7rem;
  color:var(--muted-foreground);
  text-decoration:none;
  font-size:.92rem;
  font-weight:600;
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}
.nav-link:hover { background: var(--muted); color: var(--foreground); transform: translateX(2px); }
.nav-link.active {
  background: linear-gradient(120deg, color-mix(in srgb, var(--primary) 20%, transparent), color-mix(in srgb, var(--accent) 70%, transparent));
  color: var(--primary);
  border: 1px solid color-mix(in srgb, var(--primary) 20%, var(--border));
}

.badge {
  display:inline-flex;
  align-items:center;
  border-radius:999px;
  padding:.2rem .55rem;
  font-size:.72rem;
  font-weight:600;
  border:1px solid var(--border);
  background: var(--muted);
  color: var(--muted-foreground);
}
.badge.success { background: color-mix(in srgb, var(--success) 14%, transparent); border-color: color-mix(in srgb, var(--success) 35%, var(--border)); color: var(--success); }
.badge.warning { background: color-mix(in srgb, var(--warning) 16%, transparent); border-color: color-mix(in srgb, var(--warning) 35%, var(--border)); color: var(--warning); }
.badge.danger { background: color-mix(in srgb, var(--danger) 16%, transparent); border-color: color-mix(in srgb, var(--danger) 35%, var(--border)); color: var(--danger); }
.badge.info { background: color-mix(in srgb, var(--primary) 16%, transparent); border-color: color-mix(in srgb, var(--primary) 35%, var(--border)); color: var(--primary); }
.badge.muted { background: var(--muted); border-color: var(--border); color: var(--muted-foreground); }

.flash-wrap { margin-bottom: 1rem; }
.flash { border-radius: var(--radius-sm); padding: 0.7rem 0.9rem; border: 1px solid; margin-bottom: 0.5rem; animation: fadeIn var(--transition-normal); }
.flash.notice { background: color-mix(in srgb, var(--primary) 10%, transparent); color: var(--primary); border-color: color-mix(in srgb, var(--primary) 35%, var(--border)); }
.flash.alert { background: color-mix(in srgb, var(--danger) 10%, transparent); color: var(--danger); border-color: color-mix(in srgb, var(--danger) 35%, var(--border)); }

.page-subtitle { margin:.2rem 0 0; color:var(--muted-foreground); overflow-wrap: anywhere; }
.stack { display:flex; flex-direction:column; gap:1rem; }
.row { display:flex; align-items:center; justify-content:space-between; gap:.75rem; min-width:0; flex-wrap:wrap; }
.row > * { min-width: 0; }
.meta { color: var(--muted-foreground); font-size: .86rem; }
.divider { border-top:1px solid var(--border); margin:1rem 0; }
.spacer { height: 1rem; }
.filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(170px, 100%), 1fr));
  gap: .6rem;
  align-items: center;
}
.filter-actions {
  margin-top: .6rem;
}
.check-row {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  min-height: 40px;
  padding: .45rem .1rem;
}
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: .75rem;
  margin-bottom: .6rem;
  min-width: 0;
}
.section-header h3 {
  margin: 0;
  line-height: 1.2;
}
.section-header .meta {
  margin: .2rem 0 0;
}
.section-header > * {
  min-width: 0;
}
.desktop-hidden {
  display: none !important;
}

pre.json {
  background: #0b1020;
  color: #e2e8f0;
  padding: 0.85rem;
  border-radius: var(--radius-sm);
  overflow: hidden;
  max-width: 100%;
  font-size: 12px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.skeleton {
  background: linear-gradient(90deg, color-mix(in srgb, var(--muted) 90%, transparent) 25%, color-mix(in srgb, white 30%, var(--muted)) 37%, color-mix(in srgb, var(--muted) 90%, transparent) 63%);
  background-size: 400% 100%;
  animation: shimmer 1.25s linear infinite;
  border-radius: 8px;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, .55);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.modal-backdrop.open { display: flex; animation: fadeIn var(--transition-normal); }
.modal {
  width: min(96vw, 560px);
  background: var(--card);
  color: var(--card-foreground);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  transform: translateY(4px) scale(.98);
  animation: modalIn var(--transition-normal);
}
.modal-head, .modal-foot { padding: 1rem; border-bottom: 1px solid var(--border); }
.modal-foot { border-bottom: 0; border-top: 1px solid var(--border); display:flex; justify-content:flex-end; gap:.6rem; }
.modal-body { padding: 1rem; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes modalIn { from { opacity:0; transform: translateY(10px) scale(.97); } to { opacity:1; transform: translateY(0) scale(1); } }
@keyframes shimmer { 0% { background-position: 100% 0; } 100% { background-position: 0 0; } }

@media (max-width: 960px) {
  .app-shell {
    display: block;
    min-height: 100svh;
  }
  .sidebar {
    position: sticky;
    top: 0;
    z-index: 30;
    border-right: 0;
    border-bottom: 1px solid var(--border);
    padding: .7rem .85rem .65rem;
  }
  .sidebar-head {
    margin-bottom: .55rem;
  }
  .sidebar-nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: .35rem;
    overflow-x: hidden;
    padding-bottom: .1rem;
    scrollbar-width: none;
  }
  .sidebar-nav::-webkit-scrollbar {
    display: none;
  }
  .sidebar-nav .divider,
  .nav-section-title {
    display: none;
  }
  .nav-link {
    flex: 1 1 auto;
    padding: .55rem .75rem;
    text-align: center;
  }
  .nav-link:hover {
    transform: none;
  }
  .main { padding: 1rem; }
  .topbar {
    flex-direction: column;
    align-items: stretch;
    gap: .8rem;
  }
  .page-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 760px) {
  .sidebar {
    position: sticky;
    top: 0;
    padding: .65rem .85rem;
  }
  .sidebar .sidebar-nav {
    display: none;
  }
  .sidebar-head {
    margin-bottom: 0;
  }
  .brand-mark {
    font-size: .95rem;
  }
  .mobile-bottom-nav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 60;
    display: flex;
    gap: .35rem;
    padding: .55rem .65rem calc(.55rem + env(safe-area-inset-bottom));
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    border-top: 1px solid var(--border);
    background: color-mix(in srgb, var(--card) 94%, transparent);
    backdrop-filter: blur(16px);
    box-shadow: 0 -10px 28px rgba(15, 23, 42, .08);
    scrollbar-width: none;
  }
  .mobile-bottom-nav::-webkit-scrollbar {
    display: none;
  }
  .mobile-bottom-nav .divider,
  .mobile-bottom-nav .nav-section-title {
    display: none;
  }
  .mobile-bottom-nav .sidebar-nav-group {
    display: contents;
  }
  .mobile-bottom-nav .nav-link {
    flex: 0 0 auto;
    min-width: 88px;
    padding: .55rem .65rem;
    text-align: center;
    white-space: nowrap;
    font-size: .76rem;
    border: 1px solid transparent;
  }
  .mobile-bottom-nav .nav-link:hover {
    transform: none;
  }
  .main {
    padding-bottom: calc(5.25rem + env(safe-area-inset-bottom));
  }
  .responsive-table {
    background: transparent;
    border: 0;
    box-shadow: none;
    padding: 0;
  }
  .responsive-table .section-header {
    margin-bottom: .75rem;
  }
  .responsive-table .table {
    display: block;
  }
  .responsive-table .table thead {
    display: none;
  }
  .responsive-table .table tbody {
    display: grid;
    gap: .65rem;
  }
  .responsive-table .table tr {
    display: block;
    padding: .82rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
  }
  .responsive-table .table tr:hover {
    background: var(--card);
  }
  .responsive-table .table td {
    display: grid;
    grid-template-columns: minmax(82px, 34%) minmax(0, 1fr);
    gap: .65rem;
    padding: .42rem 0;
    border-bottom: 1px solid var(--border);
    font-size: .88rem;
    min-width: 0;
  }
  .responsive-table .table td:first-child {
    display: block;
    padding-top: 0;
    font-size: .98rem;
    font-weight: 700;
    border-bottom: 0;
  }
  .responsive-table .table td:first-child::before {
    content: none;
  }
  .responsive-table .table td:last-child {
    border-bottom: 0;
    padding-bottom: 0;
  }
  .responsive-table .table td::before {
    content: attr(data-label);
    color: var(--muted-foreground);
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .04em;
  }
.responsive-table .table td:empty::after {
    content: "-";
  }
  .responsive-table .table .table-modal-row {
    display: contents;
  }
  .responsive-table .table .table-modal-row td {
    display: contents;
    padding: 0;
    border: 0;
  }
  .responsive-table .table .table-modal-row td::before {
    content: none;
  }
  .responsive-table .table td .button {
    width: 100%;
  }
  .responsive-table .table .mobile-low {
    display: none;
  }
}

@media (max-width: 640px) {
  body {
    background: var(--background);
  }
  .main {
    padding: .85rem;
  }
  .card {
    padding: .85rem;
    box-shadow: none;
  }
  .topbar {
    margin-bottom: .85rem;
  }
  .page-heading h1 {
    font-size: 1.35rem;
  }
  .page-subtitle {
    font-size: .88rem;
  }
  .metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .55rem;
  }
  .metric-card {
    padding: .75rem;
  }
  .metric-card strong {
    font-size: 1.12rem;
  }
  .filter-grid {
    grid-template-columns: 1fr;
  }
  .filter-actions .button,
  .page-actions .button,
  .page-actions form,
  .page-actions form .button,
  .actions-row .button,
  .actions-row form,
  .actions-row form .button {
    width: 100%;
  }
  .button,
  .input,
  .select,
  .textarea {
    min-height: 44px;
  }
  .section-header {
    align-items: flex-start;
    flex-direction: column;
  }
  .responsive-table .table td {
    grid-template-columns: minmax(78px, 33%) minmax(0, 1fr);
    font-size: .88rem;
  }
  .mobile-hidden {
    display: none !important;
  }
  .desktop-hidden {
    display: initial !important;
  }
  .message-bubble {
    padding: .7rem;
    max-width: 92%;
    margin-bottom: .65rem;
  }
  .message-bubble-inbound {
    margin-right: auto;
  }
  .message-bubble-outbound {
    margin-left: auto;
  }
  .message-bubble .row {
    align-items: flex-start;
  }
  .conversation-hero-head {
    align-items: flex-start;
  }
  .conversation-badges {
    align-items: flex-start;
    flex-direction: row;
    flex-wrap: wrap;
  }
  .conversation-actions {
    position: sticky;
    top: 64px;
    z-index: 20;
    background: var(--card);
    padding: .5rem 0 0;
  }
  .timeline-card {
    background: color-mix(in srgb, var(--muted) 38%, var(--card));
  }
  pre.json {
    font-size: 11px;
  }
}

.grid-2,
.grid-3 {
  display: grid;
  gap: 1rem;
  min-width: 0;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(min(180px, 100%), 1fr));
}

.actions-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
}

.key-value-grid {
  display: grid;
  gap: 0.65rem;
}
.contact-identity {
  gap: .35rem;
}
.contact-identity p {
  margin: 0;
  overflow-wrap: anywhere;
}
.comment-list {
  display: grid;
  gap: .75rem;
}
.comment-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .85rem;
  background: color-mix(in srgb, var(--muted) 24%, var(--card));
}
.comment-item p {
  margin: .65rem 0 0;
  line-height: 1.5;
  overflow-wrap: anywhere;
}
.comment-item-main {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-wrap: wrap;
}
.comment-item-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  margin-top: .65rem;
  color: var(--muted-foreground);
  font-size: .82rem;
}
.modal-toggle {
  display: none;
}
.modal-toggle:checked + .static-modal {
  display: flex;
  animation: fadeIn var(--transition-normal);
}
.static-modal {
  display: none;
}
.static-modal .modal {
  position: relative;
  z-index: 2;
}
.static-modal .modal-head h3 {
  margin: 0;
}
.modal-click-catcher {
  position: fixed;
  inset: 0;
  z-index: 1;
  cursor: pointer;
}

.message-bubble {
  padding: 0.75rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  margin-bottom: 0.75rem;
}
.conversation-hero h3,
.timeline-card h3 {
  margin-top: 0;
}
.conversation-badges {
  display: flex;
  align-items: flex-end;
  flex-direction: column;
  gap: .45rem;
}
.conversation-actions {
  align-items: stretch;
}
.timeline-card {
  overflow: hidden;
}
.message-bubble p {
  overflow-wrap: anywhere;
  line-height: 1.55;
}
.message-bubble details {
  color: var(--muted-foreground);
  overflow-wrap: anywhere;
}

.message-bubble-inbound {
  background: color-mix(in oklab, var(--muted) 35%, var(--background));
}

.message-bubble-outbound {
  background: color-mix(in oklab, var(--primary) 14%, var(--background));
}