/* ============================================================
   ChatSummary Console — Design System
   Bootstrap 5.3 + custom layer. Light + Dark mode via [data-bs-theme].
   ============================================================ */

:root {
  /* Brand */
  --cs-primary: #059669;          /* emerald-600 */
  --cs-primary-hover: #047857;    /* emerald-700 */
  --cs-primary-soft: #ecfdf5;     /* emerald-50  */
  --cs-primary-soft-text: #065f46;/* emerald-800 */

  /* Accents */
  --cs-accent: #2563eb;           /* blue-600 */
  --cs-danger: #dc2626;           /* red-600 */
  --cs-warning: #d97706;          /* amber-600 */

  /* Surfaces (light) */
  --cs-bg: #f8fafc;               /* slate-50  */
  --cs-surface: #ffffff;
  --cs-surface-2: #f1f5f9;        /* slate-100 */
  --cs-border: #e2e8f0;           /* slate-200 */
  --cs-text: #0f172a;             /* slate-900 */
  --cs-text-muted: #64748b;       /* slate-500 */

  --cs-radius: 12px;
  --cs-radius-sm: 8px;
  --cs-radius-lg: 18px;
  --cs-shadow-sm: 0 1px 2px rgba(15, 23, 42, .05);
  --cs-shadow: 0 1px 3px rgba(15, 23, 42, .07), 0 1px 2px rgba(15, 23, 42, .04);
  --cs-shadow-lg: 0 10px 25px rgba(15, 23, 42, .08), 0 4px 10px rgba(15, 23, 42, .04);
}

[data-bs-theme="dark"] {
  --cs-bg: #0b1220;
  --cs-surface: #111827;          /* slate-900 */
  --cs-surface-2: #1f2937;        /* slate-800 */
  --cs-border: #1f2937;
  --cs-text: #e5e7eb;
  --cs-text-muted: #94a3b8;
  --cs-primary-soft: #064e3b;
  --cs-primary-soft-text: #d1fae5;
  --cs-shadow-sm: 0 1px 2px rgba(0, 0, 0, .35);
  --cs-shadow: 0 1px 3px rgba(0, 0, 0, .35), 0 1px 2px rgba(0, 0, 0, .25);
  --cs-shadow-lg: 0 10px 25px rgba(0, 0, 0, .45), 0 4px 10px rgba(0, 0, 0, .25);
}

/* --- Base ---------------------------------------------------- */
html, body {
  height: 100%;
}

body {
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--cs-bg);
  color: var(--cs-text);
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1 0 auto;
  padding: 2rem 0;
}

a {
  color: var(--cs-primary);
  text-decoration: none;
  transition: color .15s ease;
}
a:hover { color: var(--cs-primary-hover); }

h1, h2, h3, h4, h5 {
  letter-spacing: -.01em;
  font-weight: 600;
}

/* --- Navbar -------------------------------------------------- */
.cs-navbar {
  background-color: var(--cs-surface);
  border-bottom: 1px solid var(--cs-border);
  box-shadow: var(--cs-shadow-sm);
  padding: .65rem 0;
}

.cs-navbar .navbar-brand {
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--cs-text);
  display: flex;
  align-items: center;
  gap: .6rem;
}

.cs-navbar .navbar-brand img {
  height: 32px;
  width: auto;
}

.cs-navbar .nav-link {
  color: var(--cs-text-muted);
  font-weight: 500;
  padding: .5rem .9rem !important;
  border-radius: var(--cs-radius-sm);
  transition: background-color .15s ease, color .15s ease;
}

.cs-navbar .nav-link:hover,
.cs-navbar .nav-link.active {
  color: var(--cs-text);
  background-color: var(--cs-surface-2);
}

.cs-navbar .nav-link.cs-link-primary {
  color: var(--cs-primary);
}

/* Theme toggle */
.cs-theme-toggle {
  border: 1px solid var(--cs-border);
  background-color: var(--cs-surface);
  color: var(--cs-text-muted);
  width: 38px;
  height: 38px;
  border-radius: var(--cs-radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color .15s ease, color .15s ease;
}
.cs-theme-toggle:hover {
  background-color: var(--cs-surface-2);
  color: var(--cs-text);
}

/* --- Cards / surfaces --------------------------------------- */
.cs-card {
  background-color: var(--cs-surface);
  border: 1px solid var(--cs-border);
  border-radius: var(--cs-radius);
  box-shadow: var(--cs-shadow-sm);
  padding: 1.5rem;
}

.cs-card-lg { padding: 2rem; border-radius: var(--cs-radius-lg); }

.cs-card-hover {
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.cs-card-hover:hover {
  transform: translateY(-2px);
  box-shadow: var(--cs-shadow-lg);
  border-color: var(--cs-primary);
}

/* --- Page header -------------------------------------------- */
.cs-page-header {
  margin-bottom: 2rem;
}
.cs-page-header h1 {
  font-size: 1.75rem;
  margin: 0 0 .35rem;
}
.cs-page-header .cs-subtitle {
  color: var(--cs-text-muted);
  margin: 0;
  font-size: .95rem;
}

/* --- Buttons (refine Bootstrap) ----------------------------- */
.btn {
  font-weight: 500;
  border-radius: var(--cs-radius-sm);
  padding: .5rem 1rem;
  transition: all .15s ease;
}
.btn-sm { padding: .35rem .75rem; font-size: .875rem; }
.btn-lg { padding: .75rem 1.25rem; font-size: 1rem; }

.btn-primary {
  --bs-btn-bg: var(--cs-primary);
  --bs-btn-border-color: var(--cs-primary);
  --bs-btn-hover-bg: var(--cs-primary-hover);
  --bs-btn-hover-border-color: var(--cs-primary-hover);
  --bs-btn-active-bg: var(--cs-primary-hover);
  --bs-btn-active-border-color: var(--cs-primary-hover);
}

.btn-success {
  --bs-btn-bg: var(--cs-primary);
  --bs-btn-border-color: var(--cs-primary);
  --bs-btn-hover-bg: var(--cs-primary-hover);
  --bs-btn-hover-border-color: var(--cs-primary-hover);
}

.btn-outline-primary {
  --bs-btn-color: var(--cs-primary);
  --bs-btn-border-color: var(--cs-primary);
  --bs-btn-hover-bg: var(--cs-primary);
  --bs-btn-hover-border-color: var(--cs-primary);
}

/* --- Forms --------------------------------------------------- */
.form-control, .form-select {
  background-color: var(--cs-surface);
  border-color: var(--cs-border);
  color: var(--cs-text);
  border-radius: var(--cs-radius-sm);
  padding: .55rem .85rem;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.form-control:focus, .form-select:focus {
  background-color: var(--cs-surface);
  color: var(--cs-text);
  border-color: var(--cs-primary);
  box-shadow: 0 0 0 .2rem rgba(5, 150, 105, .15);
}
.form-label {
  font-weight: 500;
  color: var(--cs-text);
  margin-bottom: .35rem;
  font-size: .9rem;
}
.form-text {
  color: var(--cs-text-muted);
  font-size: .85rem;
}

.cs-form-stack {
  max-width: 420px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* --- Tables -------------------------------------------------- */
.cs-table-wrap {
  background-color: var(--cs-surface);
  border: 1px solid var(--cs-border);
  border-radius: var(--cs-radius);
  overflow: hidden;
  box-shadow: var(--cs-shadow-sm);
}

.cs-table {
  --bs-table-bg: transparent;
  --bs-table-color: var(--cs-text);
  --bs-table-striped-bg: var(--cs-surface-2);
  --bs-table-hover-bg: var(--cs-surface-2);
  margin: 0;
}
.cs-table th {
  background-color: var(--cs-surface-2);
  color: var(--cs-text-muted);
  font-weight: 600;
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .03em;
  border-bottom: 1px solid var(--cs-border);
  padding: .85rem 1rem;
  white-space: nowrap;
}
.cs-table td {
  padding: .85rem 1rem;
  vertical-align: middle;
  border-color: var(--cs-border);
}

/* --- Alerts -------------------------------------------------- */
.alert {
  border-radius: var(--cs-radius-sm);
  border: 1px solid transparent;
  padding: .85rem 1rem;
}
.alert-success { background: var(--cs-primary-soft); color: var(--cs-primary-soft-text); border-color: transparent; }
.alert-danger  { background: rgba(220, 38, 38, .08); color: #991b1b; border-color: transparent; }
[data-bs-theme="dark"] .alert-danger { color: #fecaca; }
.alert-warning { background: rgba(217, 119, 6, .08); color: #92400e; border-color: transparent; }
[data-bs-theme="dark"] .alert-warning { color: #fde68a; }

/* --- Badges -------------------------------------------------- */
.cs-badge {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .2rem .55rem;
  font-size: .75rem;
  font-weight: 500;
  border-radius: 999px;
  background: var(--cs-surface-2);
  color: var(--cs-text-muted);
}
.cs-badge-success { background: var(--cs-primary-soft); color: var(--cs-primary-soft-text); }
.cs-badge-danger  { background: rgba(220, 38, 38, .12); color: var(--cs-danger); }

/* --- Footer -------------------------------------------------- */
.cs-footer {
  flex-shrink: 0;
  background-color: var(--cs-surface);
  border-top: 1px solid var(--cs-border);
  padding: 1.5rem 0;
  text-align: center;
  color: var(--cs-text-muted);
  font-size: .875rem;
}

/* --- Tool grid (used in tools menu and similar dashboards) -- */
.cs-tool-card {
  background: var(--cs-surface);
  border: 1px solid var(--cs-border);
  border-radius: var(--cs-radius);
  padding: 1.5rem;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.cs-tool-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--cs-shadow-lg);
  border-color: var(--cs-primary);
}
.cs-tool-card .cs-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--cs-radius-sm);
  background: var(--cs-primary-soft);
  color: var(--cs-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: .9rem;
}
.cs-tool-card h4 { font-size: 1rem; margin: 0 0 .4rem; }
.cs-tool-card p {
  font-size: .9rem;
  color: var(--cs-text-muted);
  margin: 0 0 1rem;
  flex: 1;
}

/* --- Section heading ---------------------------------------- */
.cs-section-title {
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--cs-text-muted);
  margin: 0 0 1rem;
}

/* --- Empty state -------------------------------------------- */
.cs-empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--cs-text-muted);
}
.cs-empty i {
  font-size: 2.5rem;
  margin-bottom: .75rem;
  opacity: .6;
}

/* --- Action buttons in tables ------------------------------ */
.cs-actions { display: inline-flex; gap: .35rem; flex-wrap: wrap; }
.cs-actions .btn { padding: .25rem .55rem; font-size: .8rem; }

/* --- Code/preformatted -------------------------------------- */
pre, code {
  background-color: var(--cs-surface-2);
  border-radius: var(--cs-radius-sm);
  padding: .1rem .35rem;
  font-size: .9em;
}
pre {
  padding: 1rem;
  overflow-x: auto;
}

/* --- Chat bubbles (admin conversation view) ---------------- */
.cs-chat { display: flex; flex-direction: column; gap: .75rem; }
.cs-chat-row { display: flex; gap: .5rem; max-width: 100%; }
.cs-chat-row.received { justify-content: flex-start; padding-right: 12%; }
.cs-chat-row.sent     { justify-content: flex-end;   padding-left: 12%; }

.cs-bubble {
  background: var(--cs-surface-2);
  border: 1px solid var(--cs-border);
  border-radius: var(--cs-radius);
  padding: .65rem .9rem;
  max-width: 100%;
  box-shadow: var(--cs-shadow-sm);
}
.cs-bubble pre, .cs-bubble code {
  background: transparent;
  padding: 0;
  font-size: inherit;
}
.cs-bubble .cs-bubble-meta {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .7rem;
  color: var(--cs-text-muted);
  margin-bottom: .25rem;
}
.cs-bubble .cs-bubble-text {
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.45;
  font-size: .9rem;
}

.cs-chat-row.sent .cs-bubble {
  background: var(--cs-primary-soft);
  color: var(--cs-primary-soft-text);
  border-color: transparent;
}
.cs-chat-row.sent .cs-bubble .cs-bubble-meta { color: var(--cs-primary-soft-text); opacity: .75; }

[data-bs-theme="dark"] .cs-chat-row.sent .cs-bubble { color: var(--cs-text); }

/* --- Misc ---------------------------------------------------- */
hr { border-color: var(--cs-border); }
.text-muted { color: var(--cs-text-muted) !important; }