:root {
  --bg: #F2F6FF;
  --surface: #FFFFFF;
  --surface-2: #EAF0FF;
  --text: #0E1729;
  --text-2: #5C6B8A;
  --border: #E1E8FA;
  --accent: #2F6FFF;
  --accent-2: #1C4FE0;
  --accent-soft: #E7EFFF;
  --success: #16B265;
  --success-soft: #E4F8ED;
  --warning: #F5940B;
  --warning-soft: #FFF3DF;
  --danger: #F0433B;
  --danger-soft: #FDE7E6;
  --neutral: #97A3BF;
  --neutral-soft: #EEF1F8;
  --shadow: 0 2px 14px rgba(30, 60, 140, 0.08);
  --radius: 16px;
  --radius-sm: 11px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0A1120;
    --surface: #131D33;
    --surface-2: #1B2740;
    --text: #EAF0FF;
    --text-2: #8C9BC2;
    --border: #223055;
    --accent: #5088FF;
    --accent-2: #6E9EFF;
    --accent-soft: #1B2A4D;
    --success: #33D486;
    --success-soft: #123425;
    --warning: #FFB13D;
    --warning-soft: #3A2A0C;
    --danger: #FF6B62;
    --danger-soft: #3A1817;
    --neutral: #7C89AC;
    --neutral-soft: #1A2438;
    --shadow: 0 2px 18px rgba(0, 0, 0, 0.35);
  }
}

:root[data-theme="dark"] {
  --bg: #0A1120;
  --surface: #131D33;
  --surface-2: #1B2740;
  --text: #EAF0FF;
  --text-2: #8C9BC2;
  --border: #223055;
  --accent: #5088FF;
  --accent-2: #6E9EFF;
  --accent-soft: #1B2A4D;
  --success: #33D486;
  --success-soft: #123425;
  --warning: #FFB13D;
  --warning-soft: #3A2A0C;
  --danger: #FF6B62;
  --danger-soft: #3A1817;
  --neutral: #7C89AC;
  --neutral-soft: #1A2438;
  --shadow: 0 2px 18px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior-y: none;
}

#app {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  max-width: 560px;
  margin: 0 auto;
}

.topbar {
  flex: 0 0 auto;
  padding: max(14px, env(safe-area-inset-top)) 20px 14px;
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-2) 100%);
  border-radius: 0 0 22px 22px;
  box-shadow: 0 6px 20px rgba(47, 111, 255, 0.28);
}
.topbar h1 {
  margin: 0;
  color: #fff;
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.2px;
}

.view-root {
  flex: 1 1 auto;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 16px 16px calc(90px + env(safe-area-inset-bottom));
}

.tabbar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  max-width: 560px;
  margin: 0 auto;
  display: flex;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 8px 4px calc(8px + env(safe-area-inset-bottom));
  box-shadow: 0 -4px 20px rgba(20, 40, 100, 0.06);
}
.tab-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  background: none;
  border: none;
  color: var(--text-2);
  font-size: 11px;
  font-family: inherit;
  padding: 6px 2px;
  border-radius: 12px;
  transition: color .15s ease, background .15s ease, transform .1s ease;
}
.tab-btn:active { transform: scale(0.94); }
.tab-btn.active { color: var(--accent); background: var(--accent-soft); }

/* ---------- Cards ---------- */
.card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
  animation: rise .22s ease both;
}
@keyframes rise {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}
.card-row { display: flex; align-items: center; gap: 12px; }
.card-main { flex: 1; min-width: 0; }
.card-title {
  font-weight: 600;
  font-size: 15px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card-sub {
  font-size: 13px;
  color: var(--text-2);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  flex: 0 0 auto;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 15px;
}

/* ---------- Pills (status) ---------- */
.pill {
  flex: 0 0 auto;
  font-size: 11.5px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
}
.pill.active { color: var(--success); background: var(--success-soft); }
.pill.processing { color: var(--accent); background: var(--accent-soft); }
.pill.paused { color: var(--warning); background: var(--warning-soft); }
.pill.pending { color: var(--warning); background: var(--warning-soft); }
.pill.completed, .pill.cancelled { color: var(--neutral); background: var(--neutral-soft); }
.pill.banned, .pill.inactive { color: var(--danger); background: var(--danger-soft); }

/* ---------- Buttons ---------- */
.btn {
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  padding: 9px 14px;
  cursor: pointer;
  transition: transform .1s ease, opacity .15s ease;
}
.btn:active { transform: scale(0.96); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-ghost { background: var(--surface-2); color: var(--text); }
.btn-ghost.btn-danger { color: var(--danger); }
.btn:disabled { opacity: 0.45; pointer-events: none; }
.btn-block { width: 100%; }

/* ---------- Empty / loading ---------- */
.empty-state {
  text-align: center;
  color: var(--text-2);
  padding: 60px 20px;
  font-size: 14px;
}
.empty-state .emoji { font-size: 40px; display: block; margin-bottom: 10px; }

.skeleton {
  background: var(--surface);
  border-radius: var(--radius);
  height: 68px;
  margin-bottom: 12px;
  position: relative;
  overflow: hidden;
}
.skeleton::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, var(--surface-2), transparent);
  animation: shimmer 1.2s infinite;
}
@keyframes shimmer { from { transform: translateX(-100%); } to { transform: translateX(100%); } }

/* ---------- Section / form ---------- */
.section-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin: 4px 0 10px;
}
.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 8px;
}
.text-input, textarea.text-input {
  width: 100%;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 13px;
  font-size: 15px;
  font-family: inherit;
  color: var(--text);
  resize: vertical;
}
.text-input:focus { outline: none; border-color: var(--accent); }

.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--text);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all .15s ease;
}
.chip.selected { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); }

.account-pick {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-bottom: 10px;
  border: 1.5px solid var(--border);
  cursor: pointer;
}
.account-pick.selected { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

.chat-list {
  background: var(--surface);
  border-radius: var(--radius);
  max-height: 300px;
  overflow-y: auto;
  box-shadow: var(--shadow);
}
.chat-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  cursor: pointer;
}
.chat-row:last-child { border-bottom: none; }
.chat-row input { accent-color: var(--accent); width: 18px; height: 18px; }
.chat-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chat-icon { font-size: 15px; }

.hint { font-size: 12.5px; color: var(--text-2); margin-top: 6px; }
.hint.error { color: var(--danger); }

/* ---------- Stats ---------- */
.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.stat-tile {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}
.stat-value {
  font-size: 26px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.5px;
}
.stat-label {
  font-size: 12.5px;
  color: var(--text-2);
  margin-top: 4px;
  font-weight: 600;
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(96px + env(safe-area-inset-bottom));
  transform: translateX(-50%) translateY(20px);
  background: var(--text);
  color: var(--bg);
  padding: 11px 18px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
  opacity: 0;
  transition: opacity .2s ease, transform .2s ease;
  pointer-events: none;
  z-index: 50;
  max-width: 85%;
  text-align: center;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.error { background: var(--danger); color: #fff; }

/* ---------- Confirm sheet ---------- */
.sheet-backdrop {
  position: fixed; inset: 0;
  background: rgba(10, 17, 32, 0.45);
  display: flex; align-items: flex-end;
  z-index: 60;
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease;
}
.sheet-backdrop.show { opacity: 1; pointer-events: auto; }
.sheet {
  background: var(--surface);
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
  border-radius: 20px 20px 0 0;
  padding: 22px 20px calc(22px + env(safe-area-inset-bottom));
  transform: translateY(100%);
  transition: transform .22s ease;
}
.sheet-backdrop.show .sheet { transform: translateY(0); }
.sheet h3 { margin: 0 0 8px; font-size: 17px; }
.sheet p { margin: 0 0 18px; color: var(--text-2); font-size: 14px; }
.sheet-actions { display: flex; gap: 10px; }
.sheet-actions .btn { flex: 1; }