/* =========================================================================
   Sanad - AI customer-support copilot · design system
   Slate + electric violet + mint accent. Dark for inbox/chat (where agents
   live for hours), light for landing/admin. All classes prefixed `snd-*`.
   ========================================================================= */
:root {
  /* Dark surfaces (agent inbox, chat widget) */
  --snd-bg:        #0b1220;
  --snd-bg-2:      #0f172a;
  --snd-surface:   #131c2e;
  --snd-surface-2: #1b253b;
  --snd-line:      rgba(148, 163, 184, 0.10);
  --snd-line-2:    rgba(148, 163, 184, 0.20);
  --snd-ink:       #f1f5f9;
  --snd-ink-2:     #cbd5e1;
  --snd-muted:     #94a3b8;

  /* Brand accents */
  --snd-primary:    #8b5cf6;   /* electric violet */
  --snd-primary-2:  #7c3aed;
  --snd-primary-3:  #6d28d9;
  --snd-mint:       #34d399;   /* fresh mint */
  --snd-mint-2:     #10b981;
  --snd-amber:      #fbbf24;
  --snd-rose:       #fb7185;
  --snd-blue:       #60a5fa;

  /* Sentiment colors */
  --snd-pos: #10b981;
  --snd-neg: #f43f5e;
  --snd-neu: #94a3b8;

  /* Light theme (landing, admin) */
  --snd-bg-light:    #f8fafc;
  --snd-bg-light-2:  #f1f5f9;
  --snd-card:        #ffffff;
  --snd-card-ink:    #0f172a;
  --snd-card-ink-2:  #334155;
  --snd-line-light:  rgba(15, 23, 42, 0.08);
  --snd-line-light-2:rgba(15, 23, 42, 0.16);
  --snd-muted-light: #64748b;

  /* Geometry */
  --snd-radius-sm: 6px;
  --snd-radius:    10px;
  --snd-radius-lg: 16px;
  --snd-shadow:    0 4px 16px rgba(2, 6, 23, 0.32);
  --snd-shadow-lg: 0 16px 48px rgba(2, 6, 23, 0.48);
  --snd-glow:      0 0 0 3px rgba(139, 92, 246, 0.25);
  --snd-ease:      cubic-bezier(.2,.7,.2,1);

  --font-ui:      'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --font-display: 'Fraunces', 'Inter', serif;
  --font-mono:    'JetBrains Mono', ui-monospace, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body.sanad {
  background: var(--snd-bg);
  color: var(--snd-ink);
  font-family: var(--font-ui);
  font-size: 14.5px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  /* Flex column so the portfolio-banner.js banner injected at the top
     takes its natural height and the inbox takes the REMAINING viewport.
     Previously body was overflow:hidden + .snd-inbox at height:100vh,
     which clipped the bottom 40px of the inbox (= the composer area)
     because the banner pushed the inbox down without shrinking it. */
  display: flex;
  flex-direction: column;
  height: 100vh;
  margin: 0;
  overflow: hidden;
}
/* Portfolio banner gets natural height. Inbox/chat/etc. fill what's left. */
body.sanad > .snd-inbox,
body.sanad > .pos-terminal { flex: 1 1 0; min-height: 0; height: auto !important; }
body.sanad.admin, body.sanad.landing, body.sanad.kb {
  background: var(--snd-bg-light);
  color: var(--snd-card-ink);
  overflow: auto;
}
a { color: var(--snd-primary); text-decoration: none; }
a:hover { color: var(--snd-primary-2); }
img { max-width: 100%; display: block; }
h1, h2, h3, h4 { margin: 0 0 .4em; font-weight: 700; line-height: 1.2; }
h1 { font-family: var(--font-display); font-size: clamp(28px, 4vw, 44px); letter-spacing: -0.02em; }
h2 { font-size: clamp(22px, 2.6vw, 28px); }
h3 { font-size: 17px; }
h4 { font-size: 14px; }
code { font-family: var(--font-mono); background: rgba(139, 92, 246, 0.10); padding: 1px 6px; border-radius: 4px; font-size: 0.92em; }

/* ============================================================ Buttons */
.snd-btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 9px 16px;
  background: var(--snd-surface); color: var(--snd-ink);
  border: 1px solid var(--snd-line-2); border-radius: var(--snd-radius);
  font-family: inherit; font-size: 13.5px; font-weight: 600;
  cursor: pointer; transition: all .12s var(--snd-ease);
  min-height: 36px;
}
.snd-btn:hover { background: var(--snd-surface-2); border-color: var(--snd-primary); }
.snd-btn:focus-visible { outline: none; box-shadow: var(--snd-glow); }
.snd-btn--primary { background: var(--snd-primary); color: white; border-color: var(--snd-primary); }
.snd-btn--primary:hover { background: var(--snd-primary-2); border-color: var(--snd-primary-2); }
.snd-btn--mint { background: var(--snd-mint-2); color: white; border-color: var(--snd-mint-2); }
.snd-btn--mint:hover { background: var(--snd-mint); }
.snd-btn--danger { background: var(--snd-rose); color: white; border-color: var(--snd-rose); }
.snd-btn--ghost { background: transparent; }
.snd-btn--lg { padding: 13px 22px; font-size: 15px; min-height: 48px; }
.snd-btn--sm { padding: 5px 10px; font-size: 12px; min-height: 28px; }
.snd-btn--block { width: 100%; }
.snd-btn--icon { padding: 6px 8px; min-height: 30px; min-width: 30px; }
.snd-btn:disabled { opacity: .4; cursor: not-allowed; }

/* Light-theme button overrides */
body.sanad.admin .snd-btn, body.sanad.landing .snd-btn, body.sanad.kb .snd-btn {
  background: white; color: var(--snd-card-ink); border-color: var(--snd-line-light-2);
}
body.sanad.admin .snd-btn:hover, body.sanad.landing .snd-btn:hover, body.sanad.kb .snd-btn:hover {
  background: var(--snd-bg-light-2); border-color: var(--snd-primary);
}
body.sanad.admin .snd-btn--primary, body.sanad.landing .snd-btn--primary, body.sanad.kb .snd-btn--primary {
  background: var(--snd-primary); color: white; border-color: var(--snd-primary);
}
body.sanad.admin .snd-btn--mint, body.sanad.landing .snd-btn--mint, body.sanad.kb .snd-btn--mint {
  background: var(--snd-mint-2); color: white; border-color: var(--snd-mint-2);
}
body.sanad.admin .snd-btn--danger, body.sanad.landing .snd-btn--danger, body.sanad.kb .snd-btn--danger {
  background: var(--snd-rose); color: white; border-color: var(--snd-rose);
}

/* ============================================================ Inputs */
.snd-input, .snd-select, .snd-textarea {
  width: 100%;
  background: var(--snd-bg-2); color: var(--snd-ink);
  border: 1px solid var(--snd-line-2); border-radius: var(--snd-radius-sm);
  padding: 9px 12px; font-family: inherit; font-size: 14px;
  transition: border-color .12s ease, box-shadow .12s ease;
}
.snd-input:focus, .snd-select:focus, .snd-textarea:focus {
  outline: none; border-color: var(--snd-primary); box-shadow: var(--snd-glow);
}
.snd-textarea { resize: vertical; min-height: 80px; line-height: 1.5; }
.snd-field { display: flex; flex-direction: column; gap: 6px; }
.snd-field > span { font-size: 11.5px; color: var(--snd-muted); text-transform: uppercase; letter-spacing: .06em; font-weight: 600; }

body.sanad.admin .snd-input, body.sanad.admin .snd-select, body.sanad.admin .snd-textarea,
body.sanad.landing .snd-input, body.sanad.kb .snd-input {
  background: white; color: var(--snd-card-ink); border-color: var(--snd-line-light-2);
}
body.sanad.admin .snd-field > span, body.sanad.landing .snd-field > span, body.sanad.kb .snd-field > span {
  color: var(--snd-muted-light);
}

/* ============================================================ Topbar (inbox/chat) */
.snd-topbar {
  padding: 10px 18px; background: var(--snd-surface);
  border-bottom: 1px solid var(--snd-line); display: flex;
  align-items: center; gap: 14px; min-height: 52px;
}
.snd-topbar-brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-weight: 700; color: var(--snd-ink);
  font-size: 16px; text-decoration: none;
}
.snd-topbar-mark {
  width: 28px; height: 28px; border-radius: 7px;
  background: linear-gradient(135deg, var(--snd-primary), var(--snd-mint-2));
  color: white; display: grid; place-items: center; font-weight: 800; font-size: 13px;
}
.snd-topbar-spacer { flex: 1; }
.snd-topbar-nav { display: flex; gap: 4px; }
.snd-topbar-nav a {
  padding: 6px 12px; border-radius: 7px; color: var(--snd-ink-2);
  font-size: 13.5px; font-weight: 500; text-decoration: none;
  transition: all .12s ease;
}
.snd-topbar-nav a:hover { background: rgba(241, 245, 249, 0.06); color: var(--snd-ink); }
.snd-topbar-nav a.is-active { background: rgba(139, 92, 246, 0.14); color: var(--snd-primary); }

/* Live / Demo mode badge */
.snd-mode-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px; border-radius: 999px;
  font-size: 11px; font-weight: 600; font-family: var(--font-mono);
  background: rgba(148, 163, 184, 0.14); color: var(--snd-muted);
  cursor: help;
}
.snd-mode-badge::before {
  content: ''; width: 6px; height: 6px; border-radius: 999px;
  background: var(--snd-muted);
}
.snd-mode-badge.live {
  background: rgba(52, 211, 153, 0.18); color: var(--snd-mint);
}
.snd-mode-badge.live::before {
  background: var(--snd-mint); box-shadow: 0 0 8px var(--snd-mint);
  animation: snd-pulse 1.6s ease infinite;
}
@keyframes snd-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .35; }
}

/* ============================================================ Inbox layout */
.snd-inbox {
  display: grid;
  grid-template-columns: 320px 1fr 340px;
  grid-template-rows: 52px minmax(0, 1fr);
  /* Height comes from the body flex layout (1fr after the portfolio banner).
     No explicit 100vh — that was the clipping bug. */
  min-height: 0;
}
.snd-inbox > .snd-topbar { grid-column: 1 / -1; }
@media (max-width: 1400px) { .snd-inbox { grid-template-columns: 280px 1fr 300px; } }
@media (max-width: 1180px) { .snd-inbox { grid-template-columns: 240px 1fr 260px; } }
@media (max-width: 960px)  { .snd-inbox { grid-template-columns: 220px 1fr 240px; } }
@media (max-width: 760px) {
  .snd-inbox { grid-template-columns: 1fr; grid-template-rows: 52px auto 1fr; }
  .snd-inbox-list, .snd-inbox-side { display: none; }
  .snd-inbox.show-list .snd-inbox-list, .snd-inbox.show-side .snd-inbox-side { display: flex; }
}

/* Floating "Show AI" button — appears whenever the sidebar isn't visible
   (mobile, or any browser/zoom combo where the user can't see it). One click
   pops the AI Copilot up as a slide-over drawer so Insert/Regenerate/etc.
   are always reachable. */
.snd-ai-toggle {
  position: fixed; bottom: 18px; right: 18px; z-index: 80;
  background: linear-gradient(135deg, var(--snd-primary), var(--snd-primary-2));
  color: white; border: 0; border-radius: 999px;
  padding: 10px 16px; font-size: 13px; font-weight: 700;
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.5);
  cursor: pointer; display: none;
}
.snd-ai-toggle:hover { transform: translateY(-2px); }
@media (max-width: 1180px) { .snd-ai-toggle { display: inline-block; } }
/* When user clicks the toggle, the AI sidebar becomes a slide-over drawer. */
.snd-inbox.ai-drawer-open .snd-inbox-side {
  display: flex !important;
  position: fixed; top: 52px; right: 0; bottom: 0; width: min(380px, 92vw);
  z-index: 70; box-shadow: -16px 0 48px rgba(2, 6, 23, 0.6);
}

html { height: 100%; overflow: hidden; }

/* ============================================================ Inbox list (left) */
.snd-inbox-list {
  background: var(--snd-bg-2);
  border-right: 1px solid var(--snd-line);
  display: flex; flex-direction: column; min-width: 0;
}
.snd-inbox-list-head { padding: 12px 14px; border-bottom: 1px solid var(--snd-line); }
.snd-inbox-search {
  background: var(--snd-bg);
  border: 1px solid var(--snd-line-2); border-radius: 8px;
  padding: 8px 12px; color: var(--snd-ink); width: 100%;
  font-family: inherit; font-size: 13px;
}
.snd-inbox-filters {
  display: flex; gap: 4px; flex-wrap: wrap; padding: 8px 14px;
  border-bottom: 1px solid var(--snd-line); font-size: 12px;
}
.snd-inbox-filter {
  padding: 4px 10px; border-radius: 999px;
  background: transparent; color: var(--snd-muted);
  border: 1px solid transparent; font-family: inherit; cursor: pointer;
  transition: all .12s ease;
}
.snd-inbox-filter:hover { color: var(--snd-ink-2); background: rgba(241, 245, 249, 0.04); }
.snd-inbox-filter.is-active { background: rgba(139, 92, 246, 0.16); color: var(--snd-primary); border-color: rgba(139, 92, 246, 0.30); }

.snd-conv-list { flex: 1; overflow-y: auto; scrollbar-width: thin; }
.snd-conv-list::-webkit-scrollbar { width: 6px; }
.snd-conv-list::-webkit-scrollbar-thumb { background: var(--snd-line-2); border-radius: 999px; }
.snd-conv {
  padding: 12px 14px; border-bottom: 1px solid var(--snd-line);
  cursor: pointer; transition: background .12s ease;
  display: grid; grid-template-columns: auto 1fr auto; gap: 10px;
}
.snd-conv:hover { background: rgba(241, 245, 249, 0.03); }
.snd-conv.is-active { background: rgba(139, 92, 246, 0.10); border-left: 3px solid var(--snd-primary); padding-left: 11px; }
.snd-conv-avatar {
  width: 34px; height: 34px; border-radius: 999px;
  background: var(--snd-surface-2); color: var(--snd-ink);
  display: grid; place-items: center; font-weight: 700; font-size: 13px;
  background-size: cover; background-position: center;
}
.snd-conv-body { min-width: 0; }
.snd-conv-head { display: flex; align-items: center; gap: 6px; margin-bottom: 2px; }
.snd-conv-name { font-weight: 600; font-size: 13.5px; color: var(--snd-ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.snd-conv-time { font-size: 11px; color: var(--snd-muted); font-family: var(--font-mono); white-space: nowrap; }
.snd-conv-preview { font-size: 12.5px; color: var(--snd-muted); line-height: 1.35; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.snd-conv-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; }
.snd-conv-unread {
  background: var(--snd-primary); color: white;
  font-size: 10.5px; font-weight: 700;
  padding: 1px 7px; border-radius: 999px; min-width: 18px; text-align: center;
}
.snd-conv-sent-dot { width: 8px; height: 8px; border-radius: 999px; background: var(--snd-neu); }
.snd-conv-sent-dot.pos { background: var(--snd-pos); }
.snd-conv-sent-dot.neg { background: var(--snd-neg); }
.snd-conv-sent-dot.neu { background: var(--snd-neu); }

/* ============================================================ Thread (centre)
   Uses CSS Grid (auto / 1fr / auto) instead of flex column. Grid is more
   deterministic across browser/viewport combos — head and composer always
   render at content height, body always fills the remainder, no chance of
   any row collapsing unexpectedly. */
.snd-thread {
  display: grid; grid-template-rows: auto minmax(0, 1fr) auto;
  min-width: 0; min-height: 0;
  background: var(--snd-bg); overflow: hidden;
}
.snd-thread-empty {
  grid-row: 1 / -1;
  display: grid; place-items: center;
  color: var(--snd-ink-2); text-align: center; padding: 60px 40px;
  background: var(--snd-bg);
}
.snd-thread-head {
  padding: 12px 18px; border-bottom: 1px solid var(--snd-line);
  display: flex; align-items: center; gap: 12px;
  background: var(--snd-bg-2);          /* slightly lighter — head always visible */
}
.snd-thread-customer { display: flex; align-items: center; gap: 10px; flex: 1; min-width: 0; }
.snd-thread-customer-meta { min-width: 0; }
.snd-thread-customer-name { font-weight: 700; font-size: 14.5px; color: var(--snd-ink); }
.snd-thread-customer-sub { font-size: 11.5px; color: var(--snd-muted); }
.snd-thread-actions { display: flex; gap: 6px; flex-shrink: 0; }

.snd-thread-body { min-height: 0; overflow-y: auto; padding: 18px; scrollbar-width: thin; }
.snd-thread-body::-webkit-scrollbar { width: 6px; }
.snd-thread-body::-webkit-scrollbar-thumb { background: var(--snd-line-2); border-radius: 999px; }
.snd-day-sep {
  display: flex; align-items: center; gap: 10px; margin: 14px 0 10px;
  font-size: 11px; color: var(--snd-muted); font-family: var(--font-mono); text-transform: uppercase;
}
.snd-day-sep::before, .snd-day-sep::after { content: ''; flex: 1; height: 1px; background: var(--snd-line); }
.snd-msg { display: flex; gap: 10px; margin-bottom: 12px; max-width: 78%; }
.snd-msg.out { margin-inline-start: auto; flex-direction: row-reverse; }
.snd-msg-avatar {
  width: 28px; height: 28px; border-radius: 999px; flex-shrink: 0;
  background-size: cover; background-position: center;
  background-color: var(--snd-surface-2);
}
.snd-msg-bubble {
  background: var(--snd-surface); padding: 10px 14px; border-radius: 14px 14px 14px 4px;
  font-size: 14px; color: var(--snd-ink); line-height: 1.5;
  box-shadow: 0 1px 0 rgba(2, 6, 23, 0.5);
}
.snd-msg.out .snd-msg-bubble {
  background: linear-gradient(135deg, var(--snd-primary), var(--snd-primary-2));
  color: white; border-radius: 14px 14px 4px 14px;
}
.snd-msg-bubble.internal {
  background: rgba(251, 191, 36, 0.10); border: 1px dashed rgba(251, 191, 36, 0.4);
  color: var(--snd-amber);
}
.snd-msg-time { font-size: 10.5px; color: var(--snd-muted); margin-top: 4px; font-family: var(--font-mono); }
.snd-msg.out .snd-msg-time { text-align: end; }
.snd-msg-ai-tag {
  display: inline-block; font-size: 10px; padding: 0 6px; border-radius: 999px;
  background: rgba(139, 92, 246, 0.20); color: var(--snd-primary);
  font-weight: 700; margin-inline-end: 4px; vertical-align: middle;
}
.snd-system-event {
  text-align: center; margin: 8px 0; font-size: 11px;
  color: var(--snd-muted); font-style: italic;
}

/* Composer — its own grid row, always at content height, always visible. */
.snd-composer { border-top: 1px solid var(--snd-line); padding: 12px 18px; background: var(--snd-bg-2); }
.snd-composer-bar { display: flex; align-items: center; gap: 4px; margin-bottom: 8px; flex-wrap: wrap; }
.snd-composer-bar button {
  background: transparent; border: 1px solid transparent; color: var(--snd-muted);
  padding: 4px 8px; border-radius: 6px; cursor: pointer;
  font-family: inherit; font-size: 12px;
}
.snd-composer-bar button:hover { background: var(--snd-surface); color: var(--snd-ink); }
.snd-composer-bar button.is-active { background: rgba(251, 191, 36, 0.14); color: var(--snd-amber); }
.snd-composer-box {
  background: var(--snd-bg); border: 1px solid var(--snd-line-2);
  border-radius: 10px; padding: 10px 14px; display: flex; gap: 10px; align-items: flex-end;
}
.snd-composer-box.internal { border-color: rgba(251, 191, 36, 0.4); background: rgba(251, 191, 36, 0.05); }
.snd-composer-input {
  flex: 1; background: transparent; border: 0; color: var(--snd-ink);
  font-family: inherit; font-size: 14px; resize: none;
  min-height: 22px; max-height: 140px; overflow-y: auto;
  line-height: 1.5; outline: none;
}
.snd-composer-send {
  padding: 6px 16px; background: var(--snd-primary); color: white;
  border: 0; border-radius: 8px; font-weight: 700; cursor: pointer; font-family: inherit;
}
.snd-composer-send:disabled { opacity: .4; cursor: not-allowed; }

/* ============================================================ AI sidebar (right) */
.snd-inbox-side {
  background: var(--snd-bg-2); border-inline-start: 1px solid var(--snd-line);
  display: flex; flex-direction: column; min-width: 0; overflow-y: auto;
}
.snd-inbox-side-head {
  padding: 12px 14px; border-bottom: 1px solid var(--snd-line);
  display: flex; align-items: center; gap: 8px;
}
.snd-inbox-side-head h4 { margin: 0; font-size: 13px; }
.snd-inbox-side-head .snd-sparkle {
  background: linear-gradient(135deg, var(--snd-primary), var(--snd-mint-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  font-weight: 800;
}

.snd-ai-card {
  border-bottom: 1px solid var(--snd-line); padding: 12px 14px;
  transition: background .12s ease;
}
.snd-ai-card-head {
  display: flex; align-items: center; gap: 6px;
  font-size: 11px; text-transform: uppercase; letter-spacing: .06em;
  color: var(--snd-muted); font-weight: 700; margin-bottom: 8px;
}
.snd-ai-card-head .snd-icon { font-size: 14px; }
.snd-ai-card-body { font-size: 13px; color: var(--snd-ink-2); line-height: 1.5; }
.snd-ai-loading {
  display: inline-block; width: 12px; height: 12px;
  border: 2px solid var(--snd-line-2); border-top-color: var(--snd-primary);
  border-radius: 999px; animation: snd-spin .8s linear infinite;
  margin-inline-start: 8px;
}
@keyframes snd-spin { to { transform: rotate(360deg); } }
.snd-ai-reply {
  background: rgba(139, 92, 246, 0.06); border: 1px solid rgba(139, 92, 246, 0.20);
  border-radius: 8px; padding: 10px 12px; font-size: 13px; color: var(--snd-ink); line-height: 1.55;
  white-space: pre-wrap;
}
.snd-ai-actions { display: flex; gap: 6px; margin-top: 8px; flex-wrap: wrap; }
.snd-ai-cite {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px; border-radius: 999px;
  background: rgba(52, 211, 153, 0.12); color: var(--snd-mint);
  font-size: 11px; font-weight: 600; cursor: pointer; text-decoration: none;
}
.snd-ai-cite:hover { background: rgba(52, 211, 153, 0.20); color: var(--snd-mint); }
.snd-sent-bar {
  height: 5px; background: var(--snd-bg); border-radius: 999px; overflow: hidden; margin-top: 6px;
}
.snd-sent-bar-fill { height: 100%; transition: width .3s ease; }

.snd-topic-tag {
  display: inline-block; padding: 2px 8px; border-radius: 999px;
  background: rgba(96, 165, 250, 0.14); color: var(--snd-blue);
  font-size: 11px; font-weight: 600; margin: 2px 2px 0 0;
}

/* ============================================================ Modals */
.snd-modal-backdrop {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(2, 6, 23, 0.72); backdrop-filter: blur(4px);
  display: grid; place-items: center; padding: 20px;
  opacity: 0; pointer-events: none; transition: opacity .15s ease;
}
.snd-modal-backdrop.show { opacity: 1; pointer-events: auto; }
.snd-modal {
  background: var(--snd-surface); color: var(--snd-ink);
  border: 1px solid var(--snd-line-2); border-radius: var(--snd-radius-lg);
  max-width: 560px; width: 100%; max-height: 88vh; overflow: auto;
  box-shadow: var(--snd-shadow-lg);
}
body.sanad.admin .snd-modal, body.sanad.landing .snd-modal, body.sanad.kb .snd-modal {
  background: white; color: var(--snd-card-ink); border-color: var(--snd-line-light-2);
}
.snd-modal-head {
  padding: 14px 18px; border-bottom: 1px solid var(--snd-line);
  display: flex; align-items: center; gap: 10px;
}
body.sanad.admin .snd-modal-head, body.sanad.landing .snd-modal-head, body.sanad.kb .snd-modal-head {
  border-color: var(--snd-line-light);
}
.snd-modal-head h3 { margin: 0; font-size: 16px; flex: 1; }
.snd-modal-close {
  background: transparent; border: 0; font-size: 22px;
  color: var(--snd-muted); cursor: pointer; line-height: 1;
}
.snd-modal-close:hover { color: var(--snd-ink); }
.snd-modal-body { padding: 18px; }
.snd-modal-foot {
  padding: 12px 18px; border-top: 1px solid var(--snd-line);
  display: flex; gap: 8px; justify-content: flex-end; flex-wrap: wrap;
}
body.sanad.admin .snd-modal-foot, body.sanad.landing .snd-modal-foot, body.sanad.kb .snd-modal-foot {
  border-color: var(--snd-line-light);
}

/* ============================================================ Toast */
.snd-toast-stack { position: fixed; bottom: 20px; right: 20px; z-index: 300; display: flex; flex-direction: column; gap: 8px; max-width: 360px; }
.snd-toast {
  background: var(--snd-surface); color: var(--snd-ink);
  border: 1px solid var(--snd-line-2); padding: 11px 14px; border-radius: 10px;
  font-size: 13.5px; box-shadow: var(--snd-shadow);
}
.snd-toast.success { border-color: var(--snd-mint); }
.snd-toast.warn { border-color: var(--snd-amber); }
.snd-toast.error { border-color: var(--snd-rose); }

/* ============================================================ Status chips */
.snd-chip {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 2px 8px; border-radius: 999px;
  font-size: 11px; font-weight: 600;
  background: rgba(148, 163, 184, 0.14); color: var(--snd-muted);
}
.snd-chip::before { content: ''; width: 6px; height: 6px; border-radius: 999px; background: currentColor; }
.snd-chip.open { background: rgba(96, 165, 250, 0.14); color: var(--snd-blue); }
.snd-chip.pending { background: rgba(251, 191, 36, 0.14); color: var(--snd-amber); }
.snd-chip.snoozed { background: rgba(148, 163, 184, 0.16); color: var(--snd-muted); }
.snd-chip.closed { background: rgba(52, 211, 153, 0.14); color: var(--snd-mint); }
.snd-chip.escalated { background: rgba(244, 63, 94, 0.14); color: var(--snd-rose); }

.snd-priority {
  display: inline-block; font-size: 10px; font-weight: 700; text-transform: uppercase;
  padding: 1px 6px; border-radius: 4px; letter-spacing: .04em;
}
.snd-priority.low { background: rgba(148, 163, 184, 0.16); color: var(--snd-muted); }
.snd-priority.med { background: rgba(96, 165, 250, 0.16); color: var(--snd-blue); }
.snd-priority.high { background: rgba(251, 191, 36, 0.16); color: var(--snd-amber); }
.snd-priority.urgent { background: rgba(244, 63, 94, 0.16); color: var(--snd-rose); }

/* ============================================================ Landing */
.snd-landing { max-width: 1080px; margin: 0 auto; padding: 60px 24px; }
.snd-landing-hero {
  display: grid; grid-template-columns: 1fr 1fr; gap: 50px;
  align-items: center; margin-bottom: 60px;
}
@media (max-width: 760px) { .snd-landing-hero { grid-template-columns: 1fr; } }
.snd-landing-hero h1 { font-size: clamp(34px, 5vw, 54px); margin-bottom: 18px; color: var(--snd-card-ink); }
.snd-landing-hero h1 .grad {
  background: linear-gradient(135deg, var(--snd-primary), var(--snd-mint-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.snd-landing-hero p { font-size: 17px; color: var(--snd-muted-light); margin-bottom: 24px; line-height: 1.6; }
.snd-landing-ctas { display: flex; flex-wrap: wrap; gap: 10px; }
.snd-landing-mock {
  background: var(--snd-bg); border-radius: 16px; padding: 22px;
  box-shadow: var(--snd-shadow-lg); min-height: 380px;
  display: grid; place-items: center; color: var(--snd-ink);
  border: 1px solid var(--snd-line-2);
}

.snd-landing-grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); margin-bottom: 48px; }
.snd-landing-card { padding: 22px; background: white; border: 1px solid var(--snd-line-light); border-radius: 14px; }
.snd-landing-card h3 { margin-bottom: 8px; color: var(--snd-card-ink); }
.snd-landing-card p { color: var(--snd-muted-light); font-size: 14px; margin: 0; }
.snd-landing-card .snd-emoji { font-size: 32px; margin-bottom: 8px; display: block; }
.snd-landing-foot { margin-top: 60px; padding: 24px; text-align: center; border-top: 1px solid var(--snd-line-light); font-size: 13px; color: var(--snd-muted-light); }

/* ============================================================ Chat widget (customer-facing) */
.snd-website-mock {
  min-height: 100vh; background: linear-gradient(180deg, #eef2ff 0%, #faf5ff 100%);
  padding: 80px 24px; color: var(--snd-card-ink);
  position: relative;
}
.snd-website-mock-inner { max-width: 720px; margin: 0 auto; }
.snd-website-mock h1 { font-size: 36px; color: #1e1b4b; }
.snd-website-mock p { color: var(--snd-muted-light); font-size: 16px; line-height: 1.6; }
.snd-chat-bubble {
  position: fixed; bottom: 24px; right: 24px; z-index: 50;
  width: 56px; height: 56px; border-radius: 999px;
  background: linear-gradient(135deg, var(--snd-primary), var(--snd-primary-2));
  color: white; display: grid; place-items: center;
  font-size: 26px; cursor: pointer; border: 0;
  box-shadow: 0 10px 30px rgba(124, 58, 237, 0.4);
}
.snd-chat-bubble:hover { transform: translateY(-2px); }
.snd-chat-window {
  position: fixed; bottom: 92px; right: 24px; z-index: 50;
  width: 380px; max-width: calc(100vw - 32px); height: 580px; max-height: 80vh;
  background: var(--snd-bg); color: var(--snd-ink);
  border-radius: 16px; box-shadow: var(--snd-shadow-lg); overflow: hidden;
  display: none; flex-direction: column;
  border: 1px solid var(--snd-line-2);
}
.snd-chat-window.open { display: flex; }
.snd-chat-window.full {
  position: static; width: 100%; height: 100%; max-width: none; max-height: none;
  border-radius: 0; box-shadow: none;
}
.snd-chat-head {
  padding: 14px 16px; background: var(--snd-surface);
  border-bottom: 1px solid var(--snd-line);
  display: flex; align-items: center; gap: 10px;
}
.snd-chat-head-info { flex: 1; }
.snd-chat-head-info .name { font-weight: 700; font-size: 14px; }
.snd-chat-head-info .sub { font-size: 11px; color: var(--snd-muted); }
.snd-chat-body { flex: 1; overflow-y: auto; padding: 14px; scrollbar-width: thin; }
.snd-chat-body::-webkit-scrollbar { width: 6px; }
.snd-chat-body::-webkit-scrollbar-thumb { background: var(--snd-line-2); border-radius: 999px; }
.snd-chat-msg { display: flex; gap: 8px; margin-bottom: 10px; max-width: 90%; }
.snd-chat-msg.out { margin-inline-start: auto; flex-direction: row-reverse; }
.snd-chat-msg-bubble {
  background: var(--snd-surface); padding: 10px 12px; border-radius: 12px 12px 12px 4px;
  font-size: 13.5px; line-height: 1.5;
}
.snd-chat-msg.out .snd-chat-msg-bubble {
  background: linear-gradient(135deg, var(--snd-primary), var(--snd-primary-2));
  color: white; border-radius: 12px 12px 4px 12px;
}
.snd-chat-typing {
  display: inline-flex; gap: 4px; padding: 10px 14px;
  background: var(--snd-surface); border-radius: 12px;
}
.snd-chat-typing span {
  width: 6px; height: 6px; border-radius: 999px; background: var(--snd-muted);
  animation: snd-typing 1.2s ease infinite;
}
.snd-chat-typing span:nth-child(2) { animation-delay: .2s; }
.snd-chat-typing span:nth-child(3) { animation-delay: .4s; }
@keyframes snd-typing {
  0%, 60%, 100% { transform: translateY(0); opacity: .4; }
  30% { transform: translateY(-4px); opacity: 1; }
}
.snd-chat-foot { padding: 12px 14px; border-top: 1px solid var(--snd-line); background: var(--snd-bg-2); }
.snd-chat-input-row { display: flex; gap: 8px; align-items: flex-end; }
.snd-chat-input {
  flex: 1; background: var(--snd-surface); border: 1px solid var(--snd-line-2);
  border-radius: 18px; padding: 8px 14px; color: var(--snd-ink);
  font-family: inherit; font-size: 13.5px; resize: none; min-height: 36px; max-height: 100px;
  outline: none;
}
.snd-chat-input:focus { border-color: var(--snd-primary); }
.snd-chat-send {
  background: var(--snd-primary); color: white; border: 0;
  width: 36px; height: 36px; border-radius: 999px;
  cursor: pointer; display: grid; place-items: center; font-size: 14px; flex-shrink: 0;
}
.snd-chat-send:disabled { opacity: .4; cursor: not-allowed; }
.snd-chat-handoff {
  text-align: center; padding: 6px 0; font-size: 11px; color: var(--snd-muted);
}
.snd-chat-handoff a { color: var(--snd-primary); }

/* KB drawer (chat citation) */
.snd-kb-drawer {
  position: fixed; top: 0; right: 0; bottom: 0; width: 480px; max-width: 100vw;
  background: white; color: var(--snd-card-ink); z-index: 60;
  box-shadow: -10px 0 40px rgba(2, 6, 23, 0.4);
  transform: translateX(100%); transition: transform .25s ease;
  display: flex; flex-direction: column;
}
.snd-kb-drawer.open { transform: translateX(0); }
.snd-kb-drawer-head {
  padding: 16px 20px; border-bottom: 1px solid var(--snd-line-light);
  display: flex; align-items: center; gap: 10px;
}
.snd-kb-drawer-head h3 { margin: 0; flex: 1; font-size: 16px; }
.snd-kb-drawer-body { padding: 20px; flex: 1; overflow-y: auto; font-size: 14px; line-height: 1.7; }

/* ============================================================ Admin SPA */
.snd-admin-shell {
  display: grid; grid-template-columns: 240px 1fr; min-height: 100vh;
}
@media (max-width: 880px) { .snd-admin-shell { grid-template-columns: 1fr; } }
.snd-admin-side {
  background: var(--snd-surface); color: var(--snd-ink);
  padding: 18px 14px; display: flex; flex-direction: column; gap: 4px;
}
@media (max-width: 880px) { .snd-admin-side { padding: 12px; flex-direction: row; flex-wrap: wrap; } }
.snd-admin-side-brand {
  display: flex; align-items: center; gap: 10px; padding: 4px 10px 14px;
  font-family: var(--font-display); font-weight: 700; font-size: 16px; color: var(--snd-ink);
}
.snd-admin-side-brand .mark {
  width: 28px; height: 28px; border-radius: 7px;
  background: linear-gradient(135deg, var(--snd-primary), var(--snd-mint-2));
  color: white; display: grid; place-items: center; font-weight: 800; font-size: 13px;
}
.snd-admin-group {
  font-size: 11px; color: var(--snd-muted); text-transform: uppercase;
  letter-spacing: .08em; padding: 14px 10px 6px; font-family: var(--font-mono);
}
.snd-admin-link {
  display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 7px;
  color: var(--snd-ink-2); font-size: 13.5px; font-weight: 500; text-decoration: none;
  transition: all .12s ease;
}
.snd-admin-link:hover { background: rgba(241, 245, 249, 0.06); color: var(--snd-ink); }
.snd-admin-link.active {
  background: linear-gradient(135deg, var(--snd-primary), var(--snd-primary-2));
  color: white;
}
.snd-admin-link span:first-child { width: 18px; text-align: center; }

.snd-admin-main { background: var(--snd-bg-light); color: var(--snd-card-ink); display: flex; flex-direction: column; min-width: 0; }
.snd-admin-top {
  padding: 14px 24px; background: white;
  border-bottom: 1px solid var(--snd-line-light);
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
}
.snd-admin-content { padding: 24px; flex: 1; max-width: 1280px; width: 100%; }
@media (max-width: 540px) { .snd-admin-content { padding: 16px; } }

.snd-card {
  background: white; border: 1px solid var(--snd-line-light);
  border-radius: var(--snd-radius); padding: 18px;
}
.snd-panel {
  background: white; border: 1px solid var(--snd-line-light);
  border-radius: var(--snd-radius); overflow: hidden;
}
.snd-panel-head {
  padding: 14px 18px; border-bottom: 1px solid var(--snd-line-light);
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
}
.snd-panel-head h3 { margin: 0; font-size: 15px; }

.snd-kpi-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.snd-kpi {
  background: white; border: 1px solid var(--snd-line-light);
  border-radius: var(--snd-radius); padding: 16px;
}
.snd-kpi-label { font-size: 11.5px; color: var(--snd-muted-light); text-transform: uppercase; letter-spacing: .06em; font-weight: 600; margin-bottom: 6px; }
.snd-kpi-value { font-size: 26px; font-weight: 800; color: var(--snd-card-ink); font-family: var(--font-display); letter-spacing: -.01em; }
.snd-kpi-sub { font-size: 12px; color: var(--snd-muted-light); margin-top: 4px; }

.snd-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.snd-table th, .snd-table td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--snd-line-light); }
.snd-table th { font-size: 11px; color: var(--snd-muted-light); text-transform: uppercase; letter-spacing: .06em; font-weight: 700; background: var(--snd-bg-light); }
.snd-table tr:hover td { background: var(--snd-bg-light); }
.snd-table-empty { padding: 30px; text-align: center; color: var(--snd-muted-light); }

.snd-bars { display: flex; align-items: flex-end; gap: 6px; height: 180px; padding: 6px 0; }
.snd-bars .bar { flex: 1; background: linear-gradient(to top, var(--snd-primary), var(--snd-mint-2)); border-radius: 4px 4px 0 0; min-height: 6px; position: relative; }
.snd-bars .bar span { position: absolute; top: -18px; left: 50%; transform: translateX(-50%); font-size: 10px; color: var(--snd-muted-light); font-family: var(--font-mono); }
.snd-bars-labels { display: flex; gap: 6px; }
.snd-bars-labels span { flex: 1; text-align: center; font-size: 11px; color: var(--snd-muted-light); font-family: var(--font-mono); }

.snd-heatmap { display: grid; grid-template-columns: 40px repeat(24, 1fr); gap: 2px; font-size: 10px; }
.snd-heat-cell { aspect-ratio: 1/1; border-radius: 3px; background: var(--snd-line-light); }
.snd-heat-cell.h-1 { background: rgba(139, 92, 246, .20); }
.snd-heat-cell.h-2 { background: rgba(139, 92, 246, .40); }
.snd-heat-cell.h-3 { background: rgba(139, 92, 246, .65); }
.snd-heat-cell.h-4 { background: var(--snd-primary); }

.snd-pie { display: flex; align-items: center; gap: 20px; }
.snd-pie-circle { width: 140px; height: 140px; border-radius: 999px; flex-shrink: 0; }
.snd-pie-legend { flex: 1; }
.snd-pie-legend-row { display: flex; align-items: center; gap: 8px; font-size: 13px; margin-bottom: 6px; }
.snd-pie-legend-dot { width: 10px; height: 10px; border-radius: 3px; }

/* ============================================================ KB */
.snd-kb-shell { display: grid; grid-template-columns: 280px 1fr; min-height: 100vh; }
@media (max-width: 880px) { .snd-kb-shell { grid-template-columns: 1fr; } }
.snd-kb-side { padding: 22px 18px; border-right: 1px solid var(--snd-line-light); background: white; }
.snd-kb-side-head { font-family: var(--font-display); font-weight: 700; font-size: 18px; margin-bottom: 18px; }
.snd-kb-cat { font-size: 11.5px; color: var(--snd-muted-light); text-transform: uppercase; letter-spacing: .06em; padding: 12px 6px 4px; font-family: var(--font-mono); font-weight: 700; }
.snd-kb-cat-link { display: block; padding: 7px 10px; color: var(--snd-card-ink); text-decoration: none; border-radius: 6px; font-size: 14px; }
.snd-kb-cat-link:hover { background: var(--snd-bg-light-2); }
.snd-kb-cat-link.active { background: rgba(139, 92, 246, 0.12); color: var(--snd-primary); font-weight: 600; }
.snd-kb-main { padding: 30px 40px; max-width: 820px; margin: 0 auto; }
.snd-kb-article h1 { font-size: 30px; color: var(--snd-card-ink); margin-bottom: 8px; }
.snd-kb-article h2 { font-size: 21px; margin-top: 30px; color: var(--snd-card-ink); }
.snd-kb-article h3 { font-size: 16px; margin-top: 18px; color: var(--snd-card-ink); }
.snd-kb-article p, .snd-kb-article li { font-size: 15px; line-height: 1.75; color: var(--snd-card-ink-2); }
.snd-kb-article ul, .snd-kb-article ol { padding-inline-start: 20px; margin: 10px 0; }
.snd-kb-article blockquote { margin: 14px 0; padding: 10px 16px; background: rgba(139, 92, 246, 0.05); border-inline-start: 3px solid var(--snd-primary); font-style: italic; color: var(--snd-card-ink-2); }
.snd-kb-article code { background: rgba(139, 92, 246, 0.10); padding: 1px 6px; border-radius: 4px; font-size: 0.92em; }
.snd-kb-article-meta { font-size: 12.5px; color: var(--snd-muted-light); margin-bottom: 24px; }
.snd-helpful { display: inline-flex; gap: 6px; align-items: center; margin-top: 30px; padding: 16px; background: var(--snd-bg-light); border-radius: 10px; font-size: 13.5px; }

/* ============================================================ Misc */
.snd-flex { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.snd-mt-1 { margin-top: 6px; }
.snd-mt-2 { margin-top: 12px; }
.snd-mt-3 { margin-top: 18px; }
.snd-mt-4 { margin-top: 24px; }
.snd-text-muted { color: var(--snd-muted); }
body.sanad.admin .snd-text-muted, body.sanad.landing .snd-text-muted, body.sanad.kb .snd-text-muted { color: var(--snd-muted-light); }

/* Empty states */
.snd-empty {
  text-align: center; padding: 60px 24px; color: var(--snd-muted);
}
.snd-empty-mark { font-size: 48px; opacity: .35; margin-bottom: 10px; }
body.sanad.admin .snd-empty, body.sanad.landing .snd-empty, body.sanad.kb .snd-empty { color: var(--snd-muted-light); }