:root {
  --primary: #5a7d5a;
  --primary-dark: #446044;
  --primary-soft: #eaf1e8;
  --accent: #c79b5c;
  --text: #1f2a20;
  --text-soft: #5c6b5e;
  --text-light: #94a094;
  --border: #e4e8e2;
  --border-soft: #eef1ed;
  --bg: #f7f8f5;
  --card: #ffffff;
  --danger: #b85c5c;
  --warn: #c7a14c;
  --self: #5a7d5a;
  --other: #eef1ed;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(30,40,30,0.04), 0 2px 8px rgba(30,40,30,0.04);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Appbar */
.appbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
.appbar-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 24px;
  height: 56px;
  max-width: 1400px;
  margin: 0 auto;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--text);
}
.brand-mark {
  color: var(--primary);
  font-size: 16px;
}
.brand-mark.large { font-size: 32px; }
.brand-title { letter-spacing: -0.01em; }

.navlinks { display: flex; gap: 18px; flex: 1; }
.navlink {
  color: var(--text-soft);
  font-weight: 500;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}
.navlink.active { color: var(--primary-dark); border-bottom-color: var(--primary); }
.navlink.disabled { color: var(--text-light); cursor: not-allowed; }
.navlink.disabled:hover { text-decoration: none; }

.user-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.user-chip img {
  width: 28px; height: 28px;
  border-radius: 50%;
  object-fit: cover;
}
.user-name { font-weight: 500; font-size: 13px; }
.logout {
  font-size: 13px;
  color: var(--text-soft);
  padding-left: 10px;
  border-left: 1px solid var(--border);
}

.main { min-height: calc(100vh - 56px); }
.container { max-width: 1000px; margin: 0 auto; padding: 32px 24px; }

/* Page head */
.page-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 20px;
}
.page-title { font-size: 22px; margin: 0; font-weight: 700; letter-spacing: -0.01em; }
.page-sub { color: var(--text-soft); margin: 6px 0 0; }

.counts { display: flex; gap: 10px; }
.count-chip {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  color: var(--text-soft);
}
.count-chip b { color: var(--primary-dark); font-weight: 700; margin-left: 4px; }

/* Filters */
.filters {
  display: flex;
  gap: 14px;
  align-items: end;
  padding: 14px 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.filters label {
  display: flex;
  flex-direction: column;
  font-size: 12px;
  color: var(--text-soft);
  gap: 4px;
  font-weight: 500;
}
.filters select, .filters input {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  font-size: 13px;
  color: var(--text);
  min-width: 140px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
}
.btn:hover { border-color: var(--primary); color: var(--primary-dark); text-decoration: none; }
.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover { background: var(--primary-dark); color: #fff; border-color: var(--primary-dark); }
.btn-outline { background: transparent; }
.btn-sm { padding: 6px 10px; font-size: 12px; }

/* Ticket list */
.ticket-table {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.ticket-row {
  display: grid;
  grid-template-columns: 170px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-soft);
  color: var(--text);
  transition: background 0.1s;
}
.ticket-row:last-child { border-bottom: none; }
.ticket-row:hover { background: var(--primary-soft); text-decoration: none; }
.ticket-row-left {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.ticket-row-main { min-width: 0; }
.ticket-row-subject {
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ticket-row-meta {
  color: var(--text-soft);
  font-size: 12.5px;
  margin-top: 2px;
}
.ticket-row-right {
  text-align: center;
  color: var(--text-soft);
}
.msg-count {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-dark);
  display: block;
}
.msg-count-label { font-size: 11px; color: var(--text-light); }

/* Badges */
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.03em;
}
.badge-open { background: #eaf1e8; color: var(--primary-dark); }
.badge-in_progress { background: #f7eed8; color: #8a6a1e; }
.badge-resolved { background: #e0ecf2; color: #2a617d; }
.badge-closed { background: #e5e5e5; color: #666; }

.client-tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  background: var(--tag-color, #5a7d5a);
}

.ticket-number {
  font-family: 'SF Mono', Menlo, Consolas, monospace;
  font-size: 13px;
  color: var(--text-soft);
}

/* Ticket head */
.back-link {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--text-soft);
  font-size: 13px;
}
.ticket-head-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 20px;
}
.ticket-head-top {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.ticket-head-subject {
  font-size: 20px;
  margin: 0 0 8px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.ticket-head-meta {
  color: var(--text-soft);
  font-size: 13px;
}
.ticket-head-actions {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border-soft);
  align-items: center;
}
.inline-form {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-soft);
}
.inline-form select, .inline-form input {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 12.5px;
}

/* Chat thread — Slack 風吹き出し */
.chat-thread {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px 0;
}
.chat-row {
  display: flex;
  gap: 10px;
  align-items: flex-end;
  max-width: 78%;
}
.chat-row-other {
  align-self: flex-start;
}
.chat-row-self {
  align-self: flex-end;
  flex-direction: row-reverse;
}
.chat-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--other);
  color: var(--text-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  flex-shrink: 0;
  margin-bottom: 2px;
}
.chat-row-self .chat-avatar {
  background: var(--primary-soft);
  color: var(--primary-dark);
}
.chat-bubble-wrap { display: flex; flex-direction: column; min-width: 0; }
.chat-row-self .chat-bubble-wrap { align-items: flex-end; }

.chat-meta {
  display: flex;
  gap: 8px;
  align-items: baseline;
  font-size: 11.5px;
  margin-bottom: 3px;
  padding: 0 4px;
}
.chat-author { color: var(--text); font-weight: 600; }
.chat-time { color: var(--text-light); }

.chat-bubble {
  padding: 10px 14px;
  border-radius: 18px;
  font-size: 14px;
  line-height: 1.55;
  white-space: pre-wrap;
  word-wrap: break-word;
  max-width: 100%;
}
.chat-bubble-other {
  background: var(--other);
  color: var(--text);
  border-bottom-left-radius: 6px;
}
.chat-bubble-self {
  background: var(--self);
  color: #fff;
  border-bottom-right-radius: 6px;
}

/* Reply composer */
.reply-composer {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.reply-composer textarea {
  resize: vertical;
  border: none;
  outline: none;
  font-family: inherit;
  font-size: 14px;
  line-height: 1.55;
  min-height: 56px;
  padding: 6px;
  color: var(--text);
  background: transparent;
}
.reply-composer-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 10px;
  border-top: 1px solid var(--border-soft);
  gap: 10px;
  flex-wrap: wrap;
}
.composer-hint { font-size: 12px; color: var(--text-soft); }
.closed-note {
  background: #f0f0f0;
  padding: 14px;
  border-radius: 10px;
  text-align: center;
  color: var(--text-soft);
  margin-top: 20px;
}

/* Empty */
.empty {
  text-align: center;
  padding: 40px 16px;
  color: var(--text-soft);
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

/* Login */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.login-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 36px;
  max-width: 380px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow);
}
.login-brand h1 { margin: 10px 0 4px; font-size: 22px; letter-spacing: -0.02em; }
.login-tagline { color: var(--text-soft); margin: 0 0 24px; font-size: 13px; }
.btn-google {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 11px 20px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  color: var(--text);
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
}
.btn-google:hover { border-color: var(--primary); color: var(--primary-dark); text-decoration: none; }
.login-note {
  color: var(--text-light);
  font-size: 12px;
  margin-top: 18px;
}

.alert {
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 16px;
}
.alert-error {
  background: #fcebeb;
  color: var(--danger);
  border: 1px solid #f0caca;
}

/* Mobile */
@media (max-width: 768px) {
  .appbar-inner { gap: 10px; padding: 0 12px; }
  .navlinks { gap: 12px; font-size: 12.5px; }
  .navlink.disabled { display: none; }
  .container { padding: 20px 14px; }
  .ticket-row { grid-template-columns: 1fr auto; gap: 10px; }
  .ticket-row-left { flex-direction: row; flex-wrap: wrap; }
  .chat-row { max-width: 92%; }
  .filters { gap: 10px; }
  .filters select, .filters input { min-width: 120px; }
  .ticket-head-actions { flex-direction: column; align-items: flex-start; gap: 10px; }
}