:root {
  --accent: #007aff;
  --accent-hover: #0a6bdb;
  --accent-active: #0058b8;
  --bg: #f5f5f7;
  --card-bg: #ffffff;
  --input-bg: #fbfbfc;
  --border: rgba(0,0,0,0.08);
  --border-soft: rgba(0,0,0,0.06);
  --text-1: #1d1d1f;
  --text-2: #48484a;
  --text-3: #86868b;
  --text-4: #a1a1a6;
  --success: #34c759;
  --success-dark: #248a3d;
  --warning: #ff9500;
  --danger: #ff3b30;
  --neutral: #8e8e93;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  color: var(--text-1);
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

#app { height: 100%; display: flex; flex-direction: column; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.18); border-radius: 6px; }
::-webkit-scrollbar-track { background: transparent; }

/* ---------- top tab bar ---------- */
.tabbar-wrap {
  display: flex;
  justify-content: center;
  padding: 16px 20px 12px;
  flex-shrink: 0;
}

.segmented {
  display: inline-flex;
  background: rgba(0,0,0,0.05);
  padding: 3px;
  border-radius: 980px;
  position: relative;
}

.segmented .indicator {
  position: absolute;
  top: 3px;
  height: calc(100% - 6px);
  border-radius: 980px;
  background: var(--accent);
  transition: left 0.28s cubic-bezier(0.2,0.8,0.2,1), width 0.28s cubic-bezier(0.2,0.8,0.2,1);
  z-index: 0;
}

.segmented .seg-item {
  position: relative;
  z-index: 1;
  cursor: pointer;
  text-align: center;
  padding: 7px 0;
  border-radius: 980px;
  font-size: 13px;
  font-weight: 590;
  color: var(--text-2);
  transition: color 0.15s;
  user-select: none;
}
.segmented .seg-item.active { color: #fff; }
.segmented.small .seg-item { font-size: 12.5px; }

/* ---------- content area ---------- */
.content {
  flex: 1;
  overflow-y: auto;
  padding: 4px 40px 48px;
}

.tab-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 0 20px;
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 2;
}

/* ---------- buttons ---------- */
.btn {
  cursor: pointer;
  user-select: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 980px;
  font-size: 13px;
  font-weight: 600;
  border: 1.5px solid transparent;
  background: transparent;
  transition: background 0.12s, color 0.12s, transform 0.05s;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }

.btn-solid { background: var(--accent); color: #fff; box-shadow: 0 1px 2px rgba(0,122,255,0.3); }
.btn-solid:hover { background: var(--accent-hover); }
.btn-solid:active { background: var(--accent-active); }

.btn-outline-accent { border-color: var(--accent); color: var(--accent); }
.btn-outline-accent:hover { background: rgba(0,122,255,0.08); }
.btn-outline-accent:active { background: rgba(0,122,255,0.16); }

.btn-outline-success { border-color: var(--success); color: var(--success-dark); }
.btn-outline-success:hover { background: rgba(52,199,89,0.08); }
.btn-outline-success:active { background: rgba(52,199,89,0.16); }

.btn-outline-danger { border-color: var(--danger); color: var(--danger); }
.btn-outline-danger:hover { background: rgba(255,59,48,0.08); }
.btn-outline-danger:active { background: rgba(255,59,48,0.16); }

.btn-outline-neutral { border-color: var(--neutral); color: var(--text-2); }
.btn-outline-neutral:hover { background: rgba(0,0,0,0.04); }

.btn-round-add {
  cursor: pointer; user-select: none;
  display: flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 980px;
  color: #fff; font-size: 18px; font-weight: 600;
  background: var(--accent); box-shadow: 0 1px 2px rgba(0,122,255,0.3);
  flex-shrink: 0;
  transition: background 0.12s, transform 0.05s;
}
.btn-round-add:hover { background: var(--accent-hover); }
.btn-round-add:active { background: var(--accent-active); transform: scale(0.97); }

.icon-btn {
  width: 42px; height: 42px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; cursor: pointer; color: var(--text-2);
  transition: background 0.12s, color 0.12s;
  flex-shrink: 0;
}
.icon-btn.small { width: 28px; height: 28px; font-size: 13px; border-radius: 8px; }
.icon-btn.tiny { width: 26px; height: 26px; font-size: 14px; border-radius: 8px; }
.icon-btn-accent:hover { background: rgba(0,122,255,0.1); color: var(--accent); }
.icon-btn-danger:hover { background: rgba(255,59,48,0.1); color: var(--danger); }
.icon-btn-neutral:hover { background: rgba(0,0,0,0.06); color: var(--text-1); }

/* ---------- card ---------- */
.card {
  background: var(--card-bg);
  border-radius: 16px;
  border: 1px solid var(--border-soft);
  box-shadow: 0 1px 2px rgba(0,0,0,0.03), 0 6px 16px rgba(0,0,0,0.04);
  padding: 20px 22px;
}

.group-header {
  font-size: 12px; font-weight: 600; letter-spacing: 0.02em;
  color: var(--text-3); padding-bottom: 10px;
  border-bottom: 1px solid var(--border-soft); margin-bottom: 16px;
}

.alert-card { display: flex; gap: 18px; align-items: flex-start; margin-bottom: 14px; }
.alert-card .info { flex: 1; min-width: 0; }
.alert-card .title-row { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.alert-card .title { font-size: 17px; font-weight: 650; color: var(--text-1); }
.alert-card .schedule { font-size: 13px; color: var(--text-2); margin-bottom: 4px; }
.alert-card .recipient { font-size: 13px; color: var(--text-3); margin-bottom: 8px; }
.alert-card .preview {
  font-size: 13px; color: var(--text-4);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 520px;
}
.alert-card .actions {
  display: flex; flex-direction: column; align-items: center; gap: 20px;
  flex-shrink: 0;
}
.alert-card .icon-row { display: flex; gap: 4px; }

.badge {
  font-size: 11px; font-weight: 700; padding: 3px 10px;
  border-radius: 980px; color: #fff; letter-spacing: 0.01em;
}
.badge-active { background: var(--success); }
.badge-paused { background: var(--warning); }
.badge-done { background: var(--neutral); }

/* ---------- toggle switch ---------- */
.toggle {
  width: 44px; height: 26px; border-radius: 980px; position: relative;
  cursor: pointer; transition: background 0.2s;
}
.toggle.on { background: var(--success); }
.toggle.off { background: #e9e9eb; }
.toggle.disabled { cursor: not-allowed; opacity: 0.5; }
.toggle .thumb {
  width: 22px; height: 22px; border-radius: 50%; background: #fff;
  position: absolute; top: 2px; left: 2px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.25); transition: left 0.2s;
}
.toggle.on .thumb { left: 20px; }

/* ---------- empty state ---------- */
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-4); font-size: 14px; }

/* ---------- inputs ---------- */
label.field-label { display: block; font-size: 11px; font-weight: 600; color: var(--text-3); margin-bottom: 6px; }
input[type=text], input[type=password], input:not([type]), textarea, select {
  width: 100%; box-sizing: border-box; padding: 10px 12px;
  border-radius: 10px; border: 1px solid var(--border);
  font-size: 14px; color: var(--text-1); background: #fff;
  font-family: inherit;
}
textarea { resize: vertical; }
select { appearance: none; -webkit-appearance: none; background: #fff; cursor: pointer; }
.select-wrap { position: relative; display: inline-block; width: 100%; }
.select-wrap .chevron {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  pointer-events: none; font-size: 10px; color: var(--text-3);
}
.field-hint { font-size: 12px; color: var(--text-4); margin-top: 6px; }
.field-row { display: flex; gap: 12px; margin-bottom: 16px; }
.field-row > * { flex: 1; }
.field-block { margin-bottom: 16px; }

/* ---------- weekday pills ---------- */
.weekday-row { display: flex; gap: 6px; margin-bottom: 20px; }
.weekday-pill {
  cursor: pointer; user-select: none;
  width: 38px; height: 38px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12.5px; font-weight: 600;
  background: rgba(0,0,0,0.05); color: var(--text-1);
  transition: background 0.12s, color 0.12s;
}
.weekday-pill.selected { background: var(--accent); color: #fff; }

/* ---------- time chips ---------- */
.time-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.time-chip {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 8px 6px 14px; border-radius: 980px;
  background: #fff; border: 1px solid var(--border); font-size: 13px; color: var(--text-1);
}
.time-chip .remove {
  cursor: pointer; width: 18px; height: 18px; border-radius: 50%;
  background: rgba(0,0,0,0.06); display: flex; align-items: center; justify-content: center;
  font-size: 11px; color: #636366;
}

/* ---------- calendar popover ---------- */
.calendar-popover {
  position: fixed; z-index: 200; width: 280px; background: #fff;
  border-radius: 14px; box-shadow: 0 12px 32px rgba(0,0,0,0.18);
  border: 1px solid var(--border-soft); padding: 14px;
}
.calendar-nav { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.calendar-nav button {
  cursor: pointer; width: 26px; height: 26px; border-radius: 8px; border: none;
  display: flex; align-items: center; justify-content: center; color: var(--text-2);
  font-size: 15px; background: transparent;
}
.calendar-nav button:hover { background: rgba(0,0,0,0.06); }
.calendar-nav .label { font-size: 13px; font-weight: 700; color: var(--text-1); }
.calendar-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px; }
.calendar-grid .wd { text-align: center; font-size: 10px; font-weight: 600; color: var(--text-4); padding: 4px 0; }
.calendar-grid .day {
  text-align: center; padding: 7px 0; border-radius: 8px; font-size: 12.5px; cursor: pointer;
}
.calendar-grid .day:hover:not(.empty) { background: rgba(0,0,0,0.06); }
.calendar-grid .day.empty { cursor: default; }
.calendar-grid .day.today { background: rgba(0,122,255,0.1); }
.calendar-grid .day.selected { background: var(--accent); color: #fff; }

/* ---------- modal ---------- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.35);
  display: flex; align-items: flex-start; justify-content: center;
  overflow-y: auto; padding: 6vh 0; z-index: 50;
  animation: overlay-in 0.15s ease;
}
.modal {
  width: 560px; max-width: 92vw; max-height: 88vh; overflow-y: auto;
  background: var(--bg); border-radius: 20px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.35);
  padding: 30px 32px; animation: modal-in 0.18s cubic-bezier(0.2,0.8,0.3,1);
  flex-shrink: 0;
}
.modal h2 { font-size: 18px; font-weight: 700; color: var(--text-1); margin: 0 0 22px; }
.modal .error-text { color: var(--danger); font-size: 13px; margin: -8px 0 16px; }
.modal-footer { display: flex; gap: 10px; padding-top: 16px; margin-top: 6px; border-top: 1px solid var(--border-soft); }

@keyframes modal-in { from { opacity: 0; transform: scale(0.96) translateY(8px); } to { opacity: 1; transform: scale(1) translateY(0); } }
@keyframes overlay-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes toast-in { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }
.spin { display: inline-block; animation: spin 0.6s linear; }
.toast { animation: toast-in 0.2s ease; }

/* ---------- settings ---------- */
.settings-wrap { padding: 28px 0 22px; display: flex; justify-content: center; }
.settings-card { width: 100%; max-width: 480px; padding: 28px 26px; }
.token-row { display: flex; gap: 10px; margin-bottom: 20px; }
.token-row input { flex: 1; font-family: ui-monospace, monospace; letter-spacing: 0.02em; }
.token-row .btn { flex-shrink: 0; padding: 0 14px; border: 1px solid var(--border); color: var(--text-2); font-weight: 500; font-size: 12px; }
.token-row .btn:hover { background: rgba(0,0,0,0.04); }
.interval-hint { font-size: 12px; color: var(--text-4); margin-bottom: 24px; }
.save-row { display: flex; align-items: center; gap: 14px; }
.saved-text { font-size: 13px; color: var(--success-dark); font-weight: 600; }

.saved-chats-section { margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--border-soft); }
.saved-chats-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.saved-chats-header .title { font-size: 14px; font-weight: 700; color: var(--text-1); }
.chat-form { background: var(--input-bg); border: 1px solid var(--border); border-radius: 12px; padding: 16px; margin-bottom: 14px; }
.chat-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 11px 14px; border-radius: 12px; background: var(--input-bg); border: 1px solid var(--border-soft);
  margin-bottom: 8px;
}
.chat-row .name { font-size: 13.5px; font-weight: 600; color: var(--text-1); }
.chat-row .id { font-size: 12px; color: var(--text-3); }
.chat-row .actions { display: flex; gap: 6px; }

.footer-credit { text-align: center; padding: 10px 0 14px; font-size: 11px; color: #b9b9be; }

/* ---------- notes ---------- */
.note-card { margin-bottom: 16px; }
.note-view-row { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.note-view-row .meta { font-size: 12px; color: var(--text-3); margin-bottom: 4px; }
.note-view-row .text {
  font-size: 13px; color: var(--text-2); white-space: nowrap; overflow: hidden;
  text-overflow: ellipsis; max-width: 480px;
}
.note-view-row .actions { display: flex; gap: 10px; flex-shrink: 0; }

/* ---------- logs ---------- */
.logs-table { overflow: hidden; }
.logs-row {
  display: grid; grid-template-columns: 110px 1.3fr 90px 90px 1.3fr 80px 40px;
  align-items: center; padding: 13px 20px; font-size: 13px; color: var(--text-1);
  border-bottom: 1px solid rgba(0,0,0,0.045);
}
.logs-head {
  display: grid; grid-template-columns: 110px 1.3fr 90px 90px 1.3fr 80px 40px;
  padding: 12px 20px; font-size: 11px; font-weight: 700; color: var(--text-3);
  letter-spacing: 0.02em; border-bottom: 1px solid var(--border-soft);
}
.logs-row:last-child { border-bottom: none; }
.log-time { color: var(--text-3); font-variant-numeric: tabular-nums; }
.log-muted { color: var(--text-3); }
.log-status-ok { color: var(--success-dark); font-weight: 600; }
.log-status-err { color: var(--danger); font-weight: 600; }
.log-status-neutral { color: var(--neutral); font-weight: 600; }

.queue-list .alert-card { margin-bottom: 14px; }

/* ---------- login ---------- */
.login-wrap {
  height: 100vh; display: flex; align-items: center; justify-content: center;
}
.login-card { width: 340px; padding: 32px 28px; }
.login-title { font-size: 17px; font-weight: 700; color: var(--text-1); margin-bottom: 22px; text-align: center; }