/**
 * ChatbotAPI — Enterprise Panel Foundation
 * WCAG AA, secure by default
 */
@import url('theme.css');

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Bricolage Grotesque', 'Inter', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  line-height: 1.5;
}

body::before {
  content: '';
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background:
    radial-gradient(ellipse 80% 60% at -10% -5%, var(--accent-subtle) 0%, transparent 50%),
    radial-gradient(ellipse 70% 50% at 110% 110%, rgba(59,130,246,.04) 0%, transparent 50%),
    linear-gradient(180deg, transparent 0%, rgba(0,0,0,.15) 100%);
}

.hidden { display: none !important; }

/* ── Skip link (a11y) ── */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  padding: .75rem 1.25rem;
  background: var(--accent);
  color: #020a0f;
  font-weight: 700;
  border-radius: var(--radius-sm);
  z-index: 9999;
  transition: top var(--transition);
}
.skip-link:focus { top: 1rem; outline: 2px solid var(--text); outline-offset: 2px; }

/* ── Login ── */
.login-wrap, .login-overlay {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; padding: 2rem;
}
.login-overlay { position: fixed; inset: 0; z-index: 200; background: var(--bg); }

.login-card {
  width: 100%; max-width: 440px;
  background: var(--s1);
  border: 1px solid var(--line2);
  border-radius: var(--radius-xl);
  padding: 3rem 2.5rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  animation: panelRise .5s var(--ease-out) both;
}
.login-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--blue));
}

.login-brand, .login-logo {
  display: flex; align-items: center; gap: 1rem;
  margin-bottom: 2rem;
}
.brand-icon, .login-logo .dot {
  width: 48px; height: 48px; border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent), var(--blue));
  display: grid; place-items: center;
  font-size: 1.35rem;
  box-shadow: 0 0 28px var(--accent-glow);
  flex-shrink: 0;
}

.login-card h2 {
  font-size: 1.75rem; font-weight: 800; color: var(--text);
  letter-spacing: -.03em; margin-bottom: .4rem;
}
.login-card p { font-size: .9rem; color: var(--muted); margin-bottom: 1.75rem; }

.fl, .field-wrap, .form-group { margin-bottom: 1.25rem; }
.fl label, .field-wrap label, .form-group label {
  display: block; font-size: .7rem; font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--muted); margin-bottom: .5rem;
}
.fl input, .field-wrap input, .form-group input,
.fl textarea, .form-group textarea {
  width: 100%; padding: .875rem 1.1rem;
  background: rgba(255,255,255,.035);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: 'JetBrains Mono', 'DM Mono', ui-monospace, monospace;
  font-size: .9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.fl input:focus, .field-wrap input:focus, .form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.fl textarea, .form-group textarea { min-height: 88px; resize: vertical; }

.btn-login, .btn-primary {
  width: 100%; padding: .9rem;
  background: linear-gradient(135deg, var(--accent), #0bc9a0);
  border: none; border-radius: var(--radius-sm);
  color: #020a0f;
  font-family: inherit;
  font-size: .95rem; font-weight: 800; letter-spacing: .04em;
  cursor: pointer;
  transition: opacity var(--transition), transform var(--transition-fast), box-shadow var(--transition);
  box-shadow: 0 8px 24px rgba(6,231,184,.3);
}
.btn-login:hover, .btn-primary:hover {
  opacity: .92;
  box-shadow: 0 10px 32px rgba(6,231,184,.4);
}
.btn-login:active, .btn-primary:active { transform: scale(.98); }

.login-err, .message.error {
  margin-top: 1rem; padding: .75rem 1rem;
  background: var(--red-dim);
  border: 1px solid rgba(239,68,68,.2);
  border-radius: var(--radius-sm);
  color: var(--red);
  font-size: .85rem; font-weight: 600;
}
.login-err.show { display: block !important; }
.message.success {
  background: var(--green-dim);
  border: 1px solid rgba(16,185,129,.2);
  color: var(--green);
}

/* ── Header ── */
.header {
  display: flex;
  position: sticky; top: 0; z-index: 100;
  background: rgba(4,6,12,.88);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  border-bottom: 1px solid var(--line);
  padding: 0 2rem; height: 68px;
  align-items: center; justify-content: space-between;
}
.h-brand { display: flex; align-items: center; gap: .9rem; }
.h-icon {
  width: 38px; height: 38px; border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent), var(--blue));
  display: grid; place-items: center; font-size: 1rem;
  box-shadow: 0 0 20px var(--accent-glow);
  flex-shrink: 0;
}
.h-name { font-size: 1rem; font-weight: 700; color: var(--text); }
.h-sub { font-size: .75rem; color: var(--muted); }

/* ── Nav ── */
.nav {
  display: flex; align-items: center; gap: .25rem;
  background: var(--s2);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: .35rem;
}
.nav a, .nav-btn {
  display: flex; align-items: center; gap: .4rem;
  padding: .5rem 1rem; border-radius: var(--radius-sm);
  border: none; background: transparent;
  color: var(--muted);
  font-size: .85rem; font-weight: 600;
  text-decoration: none; cursor: pointer;
  transition: var(--transition); white-space: nowrap;
}
.nav a:hover, .nav-btn:hover { color: var(--text); background: rgba(255,255,255,.06); }
.nav a.active { color: var(--text); background: var(--s3); box-shadow: inset 0 1px 0 rgba(255,255,255,.04); }
.btn-logout { color: var(--red) !important; }
.btn-logout:hover { background: var(--red-dim) !important; color: var(--red) !important; }

/* ── Card ── */
.card {
  background: var(--s1);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 1.5rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.5rem; }
.card-title { font-size: 1.05rem; font-weight: 700; color: var(--text); }
.card-description { font-size: .9rem; color: var(--muted); margin-bottom: 1.25rem; }

/* ── Stats ── */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; margin-bottom: 2rem; }
.stat {
  background: var(--s1);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.stat:hover { border-color: var(--line2); box-shadow: var(--shadow-md); }
.stat-val { font-size: 2.25rem; font-weight: 800; letter-spacing: -.04em; line-height: 1; margin-bottom: .5rem; color: var(--text); }
.stat-lbl { font-size: .7rem; font-weight: 600; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.stat::after { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; }
.stat.c-teal::after { background: linear-gradient(90deg, var(--accent), transparent); }
.stat.c-blue::after { background: linear-gradient(90deg, var(--blue), transparent); }
.stat.c-amber::after { background: linear-gradient(90deg, var(--amber), transparent); }
.stat.c-violet::after { background: linear-gradient(90deg, var(--violet), transparent); }
.stat.c-teal .stat-val { color: var(--accent); }
.stat.c-blue .stat-val { color: var(--blue); }
.stat.c-amber .stat-val { color: var(--amber); }
.stat.c-violet .stat-val { color: var(--violet); }
.stat-icon { font-size: 1.3rem; margin-bottom: 1rem; opacity: .8; }

/* ── Table ── */
.table-wrap {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  overflow-x: auto;
  background: var(--s2);
}
table { width: 100%; border-collapse: collapse; }
thead tr { border-bottom: 1px solid var(--line); }
th {
  padding: 1rem 1.25rem;
  font-size: .7rem; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--muted);
  text-align: left;
  background: rgba(255,255,255,.02);
  white-space: nowrap;
}
td { padding: .9rem 1.25rem; font-size: .875rem; border-bottom: 1px solid var(--line); vertical-align: middle; }
tbody tr { transition: background var(--transition-fast); }
tbody tr:hover { background: rgba(255,255,255,.04); }
tr.empty td, .empty { color: var(--muted); font-style: italic; text-align: center; padding: 2rem; }

/* ── Badge ── */
.badge {
  display: inline-flex; align-items: center; gap: .3rem;
  padding: .25rem .7rem;
  border-radius: 999px;
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  white-space: nowrap;
}
.badge.platform { background: var(--blue-dim); color: var(--blue); border: 1px solid rgba(59,130,246,.2); }
.badge.handoff { background: var(--amber-dim); color: var(--amber); border: 1px solid rgba(245,158,11,.2); }
.badge.success { background: var(--green-dim); color: var(--green); border: 1px solid rgba(16,185,129,.2); }
.badge-active { background: var(--green-dim); color: var(--green); border: 1px solid rgba(16,185,129,.2); }
.badge-inactive { background: var(--red-dim); color: var(--red); border: 1px solid rgba(239,68,68,.2); }
.icon-check { color: var(--green); font-weight: 700; }
.icon-cross { color: var(--muted); opacity: .6; }

/* ── Modal ── */
.modal, .key-overlay, .chat-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.65);
  z-index: 200;
  display: flex; align-items: center; justify-content: center;
  padding: 2rem;
}
.modal.hidden, .key-overlay:not(.active), .chat-overlay:not(.active) { display: none; }
.modal-inner, .key-modal, .chat-modal {
  background: var(--s1);
  border: 1px solid var(--line2);
  border-radius: var(--radius-lg);
  width: 100%; max-width: 520px;
  max-height: 90vh;
  overflow: hidden;
  display: flex; flex-direction: column;
  box-shadow: var(--shadow-lg);
}
.modal-header, .chat-header {
  padding: 1.15rem 1.5rem;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.modal-title, .chat-header h3 { font-size: 1rem; font-weight: 700; color: var(--text); }
.modal-close, .chat-close {
  background: none; border: none;
  color: var(--muted); font-size: 1.25rem;
  cursor: pointer; padding: .25rem; line-height: 1;
  transition: color var(--transition);
}
.modal-close:hover, .chat-close:hover { color: var(--text); }
.modal-body { padding: 1.5rem; overflow-y: auto; flex: 1; }

/* ── Pagination ── */
.pagination { display: flex; align-items: center; justify-content: center; gap: 1rem; margin-top: 1.25rem; flex-wrap: wrap; }
.pagination button {
  padding: .55rem 1.1rem;
  background: var(--s2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: .875rem; cursor: pointer;
  transition: var(--transition);
}
.pagination button:hover:not(:disabled) { background: var(--s3); border-color: var(--line2); }
.pagination button:disabled { opacity: .5; cursor: not-allowed; }
.pagination-info { font-size: .85rem; color: var(--muted); }

/* ── Filter bar ── */
.filter-bar {
  display: flex; align-items: center; gap: .75rem;
  padding: .9rem 1.1rem;
  background: rgba(255,255,255,.03);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
}
.filter-bar label { display: flex; align-items: center; gap: .6rem; cursor: pointer; font-size: .85rem; font-weight: 600; color: var(--muted); user-select: none; }
.filter-bar label:hover { color: var(--text); }
.filter-bar input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer; }

/* ── Main & page ── */
.main { flex: 1; padding: 2rem 2.5rem; max-width: 1440px; margin: 0 auto; width: 100%; }
.page-head { margin-bottom: 2rem; }
.page-title { font-size: 1.6rem; font-weight: 800; letter-spacing: -.03em; color: var(--text); }
.page-sub { font-size: .9rem; color: var(--muted); margin-top: .3rem; }
.tab { animation: panelRise .4s var(--ease-out) both; }

/* ── Handoff cards ── */
.hcard {
  background: var(--s2);
  border: 1px solid var(--line);
  border-left: 4px solid var(--amber);
  border-radius: var(--radius-md);
  padding: 1.35rem 1.5rem;
  margin-bottom: 1rem;
  transition: var(--transition);
}
.hcard:hover { border-left-color: var(--accent); background: var(--s3); box-shadow: var(--shadow-md); }
.hcard-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: .7rem; }
.hcard-title { font-size: 1rem; font-weight: 700; color: var(--text); }
.hcard-reason { font-size: .875rem; color: var(--muted); margin-bottom: .8rem; }
.hcard-meta { display: flex; gap: 1.5rem; font-size: .8rem; color: var(--muted); font-family: ui-monospace, monospace; }

/* ── Message bubbles ── */
.msg { display: flex; flex-direction: column; margin-bottom: 1.15rem; }
.msg.user .msg-bubble { align-self: flex-end; background: var(--s3); border: 1px solid var(--line); border-radius: 18px 18px 4px 18px; max-width: 82%; }
.msg.assistant .msg-bubble { align-self: flex-start; background: var(--accent-dim); border: 1px solid rgba(6,231,184,.2); border-radius: 18px 18px 18px 4px; max-width: 82%; }
.msg-bubble { padding: .9rem 1.2rem; font-size: .9rem; line-height: 1.55; color: var(--text); }
.msg-meta { font-size: .75rem; color: var(--muted); font-family: ui-monospace, monospace; margin-bottom: .35rem; }
.msg.user .msg-meta { text-align: right; }

.err-box {
  padding: .85rem 1.1rem;
  background: var(--red-dim);
  border: 1px solid rgba(239,68,68,.2);
  border-radius: var(--radius-sm);
  color: var(--red);
  font-size: .85rem; font-weight: 600;
  margin-top: .85rem;
}
.td-date, .date-text { font-family: ui-monospace, monospace; font-size: .8rem; color: var(--muted); }

@keyframes panelRise {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1024px) { .stats { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) {
  .header { padding: 0 1rem; flex-wrap: wrap; }
  .nav { flex-wrap: wrap; }
  .nav a, .nav-btn { padding: .45rem .75rem; font-size: .8rem; }
}
@media (max-width: 640px) {
  .stats { grid-template-columns: 1fr; }
  .nav .nav-sep { display: none; }
}