* { box-sizing: border-box; }
body {
  margin: 0; background: #FAFBFC; color: #1F2733;
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Noto Sans JP', sans-serif;
  font-size: 14px; line-height: 1.6;
}
a { color: #2563EB; text-decoration: none; }
header { background: #fff; border-bottom: 1px solid #ECEEF1; position: sticky; top: 0; z-index: 10; }
.header-inner { max-width: 960px; margin: 0 auto; padding: 0 16px; display: flex; align-items: center; gap: 20px; height: 52px; }
.brand { font-weight: 700; font-size: 16px; color: #1F2733; }
.brand-sub { font-weight: 400; font-size: 12px; color: #98A2B3; }
nav { display: flex; gap: 14px; }
nav a { color: #667085; padding: 4px 2px; }
nav a.active { color: #1F2733; font-weight: 600; border-bottom: 2px solid #2563EB; }
.spacer { flex: 1; }
.whoami { color: #98A2B3; font-size: 12px; }
main { max-width: 960px; margin: 0 auto; padding: 20px 16px 60px; }
.loading { color: #98A2B3; padding: 40px; text-align: center; }

.card { background: #fff; border: 1px solid #ECEEF1; border-radius: 10px; padding: 16px 18px; margin-bottom: 12px; }
.btn { display: inline-flex; align-items: center; gap: 6px; height: 34px; padding: 0 14px; border-radius: 7px;
  border: 1px solid #D0D5DD; background: #fff; color: #1F2733; font-size: 13px; cursor: pointer; }
.btn:hover { background: #F8F9FA; }
.btn-primary { background: #2563EB; border-color: #2563EB; color: #fff; }
.btn-primary:hover { background: #1D4ED8; }
.btn-ghost { border-color: transparent; color: #667085; }
.btn-sm { height: 28px; padding: 0 10px; font-size: 12px; }
.btn:disabled { opacity: .5; cursor: default; }
input[type=text], input[type=url], textarea, select {
  width: 100%; padding: 8px 10px; border: 1px solid #D0D5DD; border-radius: 7px; font: inherit; background: #fff;
}
textarea { min-height: 120px; resize: vertical; }
label { display: block; font-size: 12px; color: #667085; margin: 14px 0 4px; }
label:first-child { margin-top: 0; }

.tabs { display: flex; gap: 6px; margin-bottom: 14px; flex-wrap: wrap; }
.tab { padding: 5px 12px; border-radius: 999px; border: 1px solid #ECEEF1; background: #fff; color: #667085; cursor: pointer; font-size: 13px; }
.tab.active { background: #1F2733; border-color: #1F2733; color: #fff; }

.req-row { display: flex; align-items: center; gap: 12px; padding: 12px 16px; background: #fff;
  border: 1px solid #ECEEF1; border-radius: 10px; margin-bottom: 8px; cursor: pointer; }
.req-row:hover { border-color: #C6CBD3; }
.req-title { font-weight: 600; }
.req-meta { color: #98A2B3; font-size: 12px; }
.req-main { flex: 1; min-width: 0; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: #2563EB; flex: none; }
.chip { flex: none; padding: 2px 10px; border-radius: 999px; font-size: 11px; font-weight: 600; }
.chip.open { background: #EFF4FF; color: #2563EB; }
.chip.in_progress { background: #FFF6E6; color: #B45309; }
.chip.done { background: #ECFDF3; color: #067647; }
.chip.declined { background: #F2F4F7; color: #667085; }
.dir { flex: none; font-size: 11px; color: #667085; background: #F2F4F7; border-radius: 5px; padding: 2px 7px; }
.dir.agent { background: #F0EBFF; color: #6D28D9; }

.thread { margin-top: 16px; }
.msg { margin-bottom: 10px; }
.msg .msg-head { font-size: 12px; color: #98A2B3; margin-bottom: 2px; }
.msg .msg-body { background: #F8F9FA; border: 1px solid #ECEEF1; border-radius: 8px; padding: 8px 12px; white-space: pre-wrap; word-break: break-word; }
.msg.by-agent .msg-body { background: #F7F4FF; border-color: #E4DAFB; }
.msg.status-line { color: #98A2B3; font-size: 12px; }
.status-buttons { display: flex; gap: 8px; margin: 14px 0; flex-wrap: wrap; }

.kv { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; background: #F8F9FA;
  border: 1px solid #ECEEF1; border-radius: 6px; padding: 6px 10px; word-break: break-all; }
.muted { color: #98A2B3; font-size: 12px; }
.error { color: #B42318; font-size: 13px; margin-top: 8px; }
.ok { color: #067647; font-size: 13px; margin-top: 8px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
h1 { font-size: 20px; margin: 0 0 16px; }
h2 { font-size: 15px; margin: 0 0 10px; }
.login-wrap { display: grid; place-items: center; min-height: 70vh; }
.login-card { text-align: center; max-width: 380px; padding: 40px 32px; }
.google-btn { display: inline-flex; align-items: center; justify-content: center; height: 40px; padding: 0 24px;
  border: 1px solid #747775; border-radius: 6px; color: #1F1F1F; font-size: 14px; font-weight: 500; background: #fff; }
.pre-wrap { white-space: pre-wrap; word-break: break-word; }