:root {
  --primary:       #4F46E5;
  --primary-light: #EEF2FF;
  --success:       #10B981;
  --success-light: #ECFDF5;
  --warning:       #F59E0B;
  --warning-light: #FFFBEB;
  --danger:        #EF4444;
  --danger-light:  #FEF2F2;
  --text:          #1F2937;
  --muted:         #6B7280;
  --border:        #E5E7EB;
  --bg:            #F3F4F6;
  --card:          #FFFFFF;
  --radius:        12px;
  --shadow:        0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

#app {
  max-width: 620px;
  margin: 0 auto;
  padding: 12px 16px 40px;
}

/* ── Header ─────────────────────────────────────── */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0 8px;
}
.header h1   { font-size: 22px; font-weight: 700; }
.subtitle    { color: var(--muted); font-size: 12px; margin-top: 2px; }
.header-right { display: flex; align-items: center; gap: 8px; }

.balance-box     { text-align: right; }
.balance-amount  {
  font-size: 22px; font-weight: 700;
  color: var(--primary); display: block; line-height: 1;
}
.balance-label {
  font-size: 10px; color: var(--muted);
  text-transform: uppercase; letter-spacing: .5px;
}

/* ── Goal card ───────────────────────────────────── */
.goal-card   { padding: 14px 16px; margin-bottom: 10px; }
.goal-header { display:flex; justify-content:space-between; font-size:14px; margin-bottom:8px; }
.goal-header span:first-child { font-weight: 600; }
.goal-header span:last-child  { color: var(--muted); }

.progress-bar  { height:10px; background:var(--border); border-radius:5px; overflow:hidden; }
.progress-fill {
  height:100%;
  background: linear-gradient(90deg, var(--primary), #818CF8);
  border-radius:5px; transition: width .5s ease;
}

/* ── Generic card ────────────────────────────────── */
.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 10px;
  box-shadow: var(--shadow);
}
.card-title { font-size:14px; font-weight:600; margin-bottom:12px; color:var(--text); }

/* ── Task rows ───────────────────────────────────── */
.task-row {
  display: flex; align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  gap: 10px;
}
.task-row:last-child { border-bottom: none; }

.task-check {
  width:24px; height:24px;
  border:2px solid var(--border);
  border-radius:6px;
  cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0;
  transition: all .15s;
  background:#fff;
  user-select:none;
}
.task-check:hover:not(.done):not(.readonly) { border-color: var(--success); }
.task-check.done {
  background: var(--success); border-color: var(--success); color:#fff;
}
.task-check.done::after { content:"✓"; font-size:14px; font-weight:800; }
.task-check.readonly    { cursor: default; }

.task-info  { flex:1; min-width:0; }
.task-name  { font-size:14px; font-weight:500; }
.task-name.striked { text-decoration:line-through; color:var(--muted); }
.task-due   { font-size:11px; color:var(--muted); margin-top:2px; }

.countdown {
  display: inline-block;
  margin-top: 4px;
  font-size: 13px;
  font-weight: 700;
  color: var(--warning);
  letter-spacing: 0.3px;
}
.countdown-urgent { color: var(--danger); }
.task-reward { font-size:13px; font-weight:600; color:var(--success); white-space:nowrap; }

/* ── Status badges ───────────────────────────────── */
.badge {
  font-size: 11px; font-weight: 600;
  padding: 2px 7px; border-radius: 10px;
  white-space: nowrap;
}
.badge-done    { background:var(--success-light); color:var(--success); }
.badge-missed  { background:var(--danger-light);  color:var(--danger);  }
.badge-pending { background:var(--warning-light); color:var(--warning); }

/* ── Screen time summary ─────────────────────────── */
.st-good {
  color:var(--success); font-size:13px; font-weight:500;
  padding:8px 12px; background:var(--success-light);
  border-radius:8px;
}
.st-pending {
  color:var(--warning); font-size:13px; font-weight:500;
  padding:8px 12px; background:var(--warning-light);
  border-radius:8px;
}
.family-link-box {
  background:var(--danger-light); border:1px solid #FECACA;
  border-radius:8px; padding:10px 12px; font-size:13px;
}
.family-link-box strong { display:block; margin-bottom:4px; font-size:13px; }
.penalty-row { color:var(--danger); font-size:12px; padding:1px 0; }

/* ── Optional — log button ───────────────────────── */
.log-btn {
  padding:6px 14px; border-radius:6px; border:none;
  background:var(--primary); color:#fff;
  font-size:13px; font-weight:600; cursor:pointer;
  white-space:nowrap; transition:background .15s;
}
.log-btn:hover { background:#4338CA; }

/* ── Spend form ──────────────────────────────────── */
.spend-row { display:flex; gap:8px; flex-wrap:wrap; }
.spend-row input {
  flex:1; min-width:110px;
  padding:8px 12px; border:1px solid var(--border);
  border-radius:8px; font-size:14px;
}
.spend-row input:focus { outline:none; border-color:var(--primary); }

.weekly-warning {
  background: var(--danger-light);
  border: 1px solid #FECACA;
  color: var(--danger);
  font-size: 13px; font-weight: 600;
  padding: 8px 12px; border-radius: 8px;
  margin-top: 10px;
}

.set-balance-row {
  display:flex; align-items:center; gap:8px;
  margin-top:10px; padding-top:10px;
  border-top:1px solid var(--border);
  flex-wrap:wrap;
}
.set-balance-label { font-size:13px; color:var(--muted); white-space:nowrap; }
.set-balance-row input {
  width:110px; padding:8px 12px;
  border:1px solid var(--border); border-radius:8px; font-size:14px;
}
.set-balance-row input:focus { outline:none; border-color:var(--primary); }

/* ── Transactions ────────────────────────────────── */
.tx-row {
  display:flex; justify-content:space-between; align-items:center;
  padding:8px 0; border-bottom:1px solid var(--border);
  font-size:13px; gap:8px;
}
.tx-row:last-child { border-bottom:none; }
.tx-desc   { flex:1; }
.tx-date   { color:var(--muted); font-size:11px; margin-top:1px; }
.tx-amount { font-weight:700; font-size:14px; white-space:nowrap; }
.tx-amount.pos { color:var(--success); }
.tx-amount.neg { color:var(--danger);  }

/* ── Buttons ─────────────────────────────────────── */
.btn {
  padding:8px 16px; border-radius:8px; border:none;
  font-size:14px; font-weight:600; cursor:pointer; transition:filter .15s;
}
.btn:hover     { filter:brightness(.92); }
.btn-primary   { background:var(--primary); color:#fff; }
.btn-secondary { background:#E5E7EB; color:var(--text); }
.btn-danger    { background:var(--danger);  color:#fff; }
.btn-sm        { padding:4px 10px; font-size:12px; border-radius:6px; }
.btn-icon      { background:none; border:none; font-size:20px; cursor:pointer; padding:2px 6px; }

/* ── Modals ──────────────────────────────────────── */
.overlay {
  position:fixed; inset:0; background:rgba(0,0,0,.5);
  display:flex; align-items:flex-start; justify-content:center;
  z-index:100; overflow-y:auto; padding:20px;
}
.modal {
  background:#fff; border-radius:var(--radius);
  padding:24px; width:100%; max-width:520px; margin:auto;
}
.modal-sm { max-width:360px; }
.modal h2  { font-size:18px; margin-bottom:16px; }
.modal h3  {
  font-size:11px; text-transform:uppercase; letter-spacing:.6px;
  color:var(--muted); margin:20px 0 10px;
}

.field       { margin-bottom:12px; }
.field label {
  display:block; font-size:12px; font-weight:600;
  color:var(--muted); margin-bottom:4px;
}
.field input, .field select {
  width:100%; padding:8px 12px;
  border:1px solid var(--border); border-radius:8px; font-size:14px;
}
.field input:focus { outline:none; border-color:var(--primary); }

.modal-footer { display:flex; justify-content:flex-end; gap:8px; margin-top:20px; }

.auth-error {
  color:var(--danger); font-size:13px; margin-bottom:8px;
}

/* ── Settings task list ──────────────────────────── */
.settings-task {
  display:flex; align-items:center;
  padding:9px 0; border-bottom:1px solid var(--border); gap:10px;
}
.settings-task:last-of-type { border-bottom:none; }
.st-info { flex:1; }
.st-name { font-size:13px; font-weight:500; }
.st-meta { font-size:11px; color:var(--muted); margin-top:1px; }

.whatsapp-setup {
  background: #F0FDF4;
  border: 1px solid #BBF7D0;
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 12px;
}
.wa-steps    { margin-bottom: 10px; }
.wa-step     { font-size: 12px; color: var(--text); padding: 3px 0; }
.wa-step code {
  background: #E5E7EB; padding: 1px 5px;
  border-radius: 4px; font-size: 11px;
}
.wa-contact-row {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 0; border-bottom: 1px solid #D1FAE5;
  font-size: 13px;
}
.wa-contact-row:last-child { border-bottom: none; }
.wa-contact-label { font-weight: 600; min-width: 60px; }
.wa-contact-phone { color: var(--muted); flex: 1; }
.wa-empty         { font-size: 12px; color: var(--muted); padding: 4px 0; }
.wa-add-row {
  display: grid;
  grid-template-columns: 80px 1fr 1fr auto;
  gap: 6px; margin-top: 10px;
}
.wa-add-row input {
  padding: 6px 8px; border: 1px solid var(--border);
  border-radius: 6px; font-size: 12px;
}

.deadline-chip {
  display:inline-block;
  background:var(--primary-light); color:var(--primary);
  font-size:10px; font-weight:600;
  padding:1px 6px; border-radius:8px;
}

/* ── Inline deadline editor ──────────────────────── */
.deadline-edit { border-bottom:1px solid var(--border); padding-bottom:10px; }
.deadline-edit-inner {
  display:flex; align-items:center; flex-wrap:wrap;
  gap:6px; padding:8px 0 4px;
  font-size:12px; color:var(--muted);
}
.deadline-edit-inner input, .deadline-edit-inner select {
  padding:5px 8px; border:1px solid var(--border);
  border-radius:6px; font-size:13px;
}

/* ── Add task box ────────────────────────────────── */
.add-task-box {
  background:#F9FAFB; border-radius:8px;
  padding:12px; margin-top:8px;
  display:grid; grid-template-columns:1fr 1fr; gap:8px;
}
.add-task-box input, .add-task-box select {
  padding:7px 10px; border:1px solid var(--border);
  border-radius:6px; font-size:13px; width:100%;
}
.add-task-box .full { grid-column: 1 / -1; }

/* ── Strikes ─────────────────────────────────────── */
.strike-dots  { display: flex; gap: 8px; margin-bottom: 8px; }
.strike-dot   {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--border); border: 2px solid #D1D5DB;
  transition: all .2s;
}
.strike-dot.filled {
  background: var(--danger); border-color: var(--danger);
  box-shadow: 0 0 6px rgba(239,68,68,.4);
}
.strike-count { font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.strike-punishment {
  font-size: 13px; padding: 7px 10px;
  background: var(--warning-light); border-radius: 6px;
  border: 1px solid #FDE68A; margin-bottom: 10px;
}
.punishment-hit {
  background: var(--danger-light);
  border-color: #FECACA;
  color: var(--danger);
}
.strike-controls { display: flex; gap: 8px; flex-wrap: wrap; }
.strike-controls button:disabled { opacity: .4; cursor: not-allowed; }

/* ── Empty state / toast ─────────────────────────── */
.empty { text-align:center; color:var(--muted); padding:16px; font-size:13px; }

.toast {
  position:fixed; bottom:28px; left:50%; transform:translateX(-50%);
  background:#1F2937; color:#fff;
  padding:10px 20px; border-radius:8px;
  font-size:14px; font-weight:500; z-index:200;
  transition:opacity .3s; white-space:nowrap; pointer-events:none;
}
.toast.success { background:var(--success); }
.toast.error   { background:var(--danger);  }