:root {
  --ink: #16181d; --ink-2: #4a5058; --ink-3: #868d96;
  --line: #e4e6ea; --bg: #f6f7f8; --card: #fff;
  --accent: #2f5d8a; --accent-bg: #eef4fa;
  --red: #c0392b; --amber: #b8730c; --green: #1f8a4c;
  --radius: 10px;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 14px/1.55 -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
        "Hiragino Sans", "Noto Sans CJK JP", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
a { color: var(--accent); }
h2 { font-size: 15px; margin: 0 0 12px; }
h3 { font-size: 13px; margin: 16px 0 8px; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.92em; }

/* --------------------------------------------------------------- chrome */

.topbar {
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 16px;
  padding: 10px 20px; background: var(--card); border-bottom: 1px solid var(--line);
}
.brand-block { display: flex; align-items: center; gap: 10px; }
.mark {
  width: 30px; height: 30px; display: grid; place-items: center;
  border-radius: 8px; background: var(--accent); color: #fff; font-weight: 700;
}
.brand-name { font-size: 15px; font-weight: 650; }
.brand-sub { font-size: 11px; color: var(--ink-3); }

.tabs { display: flex; gap: 4px; }
.tab {
  border: 1px solid transparent; background: none; border-radius: 8px;
  padding: 6px 12px; font-size: 13px; color: var(--ink-2);
}
.tab:hover { background: #fafbfc; }
.tab.active { background: var(--accent-bg); color: var(--accent); font-weight: 600; }
.badge {
  display: inline-grid; place-items: center; min-width: 17px; height: 17px;
  margin-left: 6px; padding: 0 5px; border-radius: 9px;
  background: var(--red); color: #fff; font-size: 10px; font-weight: 700;
}
.account { justify-self: end; display: flex; align-items: center; gap: 12px; font-size: 12px; color: var(--ink-2); }
.linklike { border: 0; background: none; padding: 0; color: var(--ink-3); font-size: 12px; }

/* ---------------------------------------------------------------- layout */

.layout { height: calc(100vh - 52px); padding: 16px 20px; }
.panel { display: none; height: 100%; }
.panel.active { display: flex; flex-direction: column; }
.split { display: grid; grid-template-columns: 340px 1fr; gap: 16px; height: 100%; min-height: 0; }
.list-col, .edit-col, .form-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 14px 16px; overflow-y: auto;
}
.form-card { max-width: 640px; }
.col-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-top: 12px; }
.row.end { justify-content: flex-end; }
.hint { font-size: 11px; color: var(--ink-3); }
.warn { color: var(--red); }
.empty { color: var(--ink-3); text-align: center; margin-top: 48px; }

/* ------------------------------------------------------------------ chat */

#panel-chat { background: var(--card); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.transcript { flex: 1; overflow-y: auto; padding: 22px 26px; }
.msg { max-width: 620px; margin: 0 0 20px auto; }
.msg .bubble { background: #f2f3f5; border-radius: 10px; padding: 12px 14px; white-space: pre-wrap; }
.reply { max-width: 720px; margin: 0 0 22px; }
.reply p { margin: 0 0 9px; }
.reply ul { margin: 0 0 9px; padding-left: 20px; }
.actions-log { margin-bottom: 10px; font-size: 13px; }
.actions-log summary { cursor: pointer; color: var(--ink-2); list-style: none; }
.actions-log summary::-webkit-details-marker { display: none; }
.actions-log summary::after { content: " ⌄"; color: var(--ink-3); }
.actions-log[open] summary::after { content: " ⌃"; }
.actions-log ol { list-style: none; margin: 6px 0 0; padding: 0; }
.actions-log li { color: var(--ink-2); padding: 2px 0; }
.actions-log .args { color: var(--ink-3); }
.actions-log .failed { color: var(--red); }
.status { font-size: 12px; color: var(--ink-3); margin-bottom: 16px; }

.composer {
  display: flex; align-items: center; gap: 10px;
  margin: 0 18px 18px; padding: 7px 8px 7px 14px;
  border: 1px solid var(--line); border-radius: 999px;
}
.composer input { flex: 1; border: 0; outline: none; background: none; }
.composer input:disabled { color: var(--ink-3); }
.model { font-size: 11px; color: var(--ink-3); white-space: nowrap; }
.send {
  width: 30px; height: 30px; border-radius: 50%; border: 0;
  background: var(--ink); color: #fff; font-size: 16px; display: grid; place-items: center;
}

/* ----------------------------------------------------------------- cards */

.cards { list-style: none; margin: 0; padding: 0; }
.cards.wide .card { max-width: none; }
.card {
  padding: 10px 12px; margin-bottom: 8px;
  border: 1px solid var(--line); border-radius: var(--radius); cursor: pointer;
}
.card:hover { background: #fafbfc; }
.card-head { display: flex; justify-content: space-between; gap: 8px; align-items: baseline; }
.snippet { margin: 4px 0 0; font-size: 12px; color: var(--ink-3); overflow: hidden;
           display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.card-foot { display: flex; gap: 6px; align-items: center; margin-top: 6px; flex-wrap: wrap; }
.row-card { display: flex; justify-content: space-between; align-items: center; cursor: default; }
.chip {
  padding: 2px 8px; border-radius: 999px; font-size: 10px; font-weight: 600;
  background: #f0f1f3; color: var(--ink-2);
}
.chip.open { background: var(--accent-bg); color: var(--accent); }
.chip.accepted { background: #fdf6ec; color: var(--amber); }
.chip.delivered { background: #f0f8f2; color: var(--green); }
.chip.declined { background: #fdf2f1; color: var(--red); }

/* ---------------------------------------------------------------- inputs */

label { display: block; margin-bottom: 12px; font-size: 12px; color: var(--ink-2); }
label.inline { display: inline-flex; align-items: center; gap: 6px; margin-right: 14px; font-size: 13px; }
input[type="text"], input[type="email"], input[type="password"], input[type="date"],
select, textarea, .filter, .title-input {
  width: 100%; margin-top: 4px; padding: 8px 10px;
  border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--ink);
}
label.inline input { width: auto; margin: 0; }
textarea { min-height: 120px; resize: vertical; font-family: inherit; }
#note-body { min-height: 340px; }
.title-input { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.filter { margin-bottom: 10px; }
.toggles { border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; margin-bottom: 12px; }
.toggles legend { font-size: 11px; color: var(--ink-3); padding: 0 4px; }

.btn {
  padding: 7px 12px; border: 1px solid var(--line); border-radius: 8px;
  background: #fff; font-size: 13px; color: var(--ink); text-decoration: none; display: inline-block;
}
.btn:hover { background: #fafbfc; }
.btn.solid { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.small { padding: 4px 9px; font-size: 12px; }
.btn.ghost { color: var(--ink-3); margin-top: 6px; }
.btn.danger-text { color: var(--red); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.body-block { border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; background: #fcfcfd; }
.body-block p { margin: 0 0 8px; }

/* ---------------------------------------------------------------- modals */

.scrim { position: fixed; inset: 0; background: rgba(16,18,22,.4); display: grid; place-items: center; padding: 20px; }
.scrim[hidden] { display: none; }
.modal { width: min(460px, 100%); background: #fff; border-radius: 14px; padding: 22px;
         box-shadow: 0 20px 50px rgba(0,0,0,.22); max-height: 80vh; overflow-y: auto; }
.modal h3 { margin: 0 0 10px; font-size: 16px; }
.modal-kicker { font-size: 10px; font-weight: 650; letter-spacing: .07em;
                text-transform: uppercase; color: var(--red); margin-bottom: 8px; }
.args { margin: 0 0 16px; padding: 10px 12px; background: #fafbfc;
        border: 1px solid var(--line); border-radius: 8px; font-size: 12px; }
.args div { display: flex; justify-content: space-between; gap: 12px; padding: 3px 0; }
.args dt { color: var(--ink-3); }
.args dd { margin: 0; font-weight: 550; text-align: right; word-break: break-word; }
.checks { display: grid; gap: 6px; margin-bottom: 12px; }

/* ----------------------------------------------------------------- login */

.centered { display: grid; place-items: center; min-height: 100vh; }
.signin {
  width: min(360px, 90vw); background: var(--card); border: 1px solid var(--line);
  border-radius: 14px; padding: 26px;
}
.signin .brand-block { margin-bottom: 20px; }
.signin .btn { width: 100%; margin-top: 6px; }
.error { color: var(--red); font-size: 12px; margin: 0 0 10px; }

/* ----------------------------------------------------------------- admin */

.admin { padding: 20px; display: grid; gap: 16px; max-width: 1100px; margin: 0 auto; }
.admin .form-card { max-width: none; }
.grid { width: 100%; border-collapse: collapse; font-size: 13px; }
.grid th { text-align: left; font-size: 11px; color: var(--ink-3); font-weight: 600;
           padding: 6px 8px; border-bottom: 1px solid var(--line); }
.grid td { padding: 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.person { margin-bottom: 12px; border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; }
.person summary { cursor: pointer; font-weight: 600; }
.log-line { display: grid; grid-template-columns: 70px 1fr; gap: 10px; padding: 5px 0;
            border-top: 1px solid var(--line); font-size: 13px; }
.log-line.user span:last-child { font-weight: 550; }
.log-line.agent span:last-child { color: var(--ink-2); }

@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }