/* ChitChat styles: phone-first, blue and white, warm orange accent. */

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: #FFFBF2;
  color: #1F2937;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.45;
}

.hidden { display: none !important; }

.topbar {
  background: #2563EB;
  color: #fff;
  padding: 10px 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.3px;
}

.brand-mark { margin-right: 2px; }

.demo-pill {
  background: #F97316;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 999px;
  line-height: 1.3;
}

.wrap {
  max-width: 560px;
  margin: 0 auto;
  padding: 16px 14px 40px;
  width: 100%;
}

h1 {
  font-size: 26px;
  line-height: 1.2;
  margin: 8px 0 10px;
  color: #1E3A8A;
}

h2 { font-size: 19px; margin: 0 0 12px; color: #1E3A8A; }

.lede { font-size: 16px; margin: 0 0 12px; }

.demo-note {
  background: #FFF7ED;
  border: 1px solid #FDBA74;
  color: #9A3412;
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 13px;
  margin: 0 0 16px;
}

.demo-note.small { margin: 10px 0 0; padding: 7px 10px; }

.hint { font-size: 13px; color: #6B7280; margin: 12px 0 0; }

.field-label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  margin: 14px 0 6px;
  color: #374151;
}

.input {
  width: 100%;
  padding: 12px;
  font-size: 16px;
  border: 1.5px solid #CBD5E1;
  border-radius: 10px;
  background: #fff;
  color: #1F2937;
  outline: none;
}

.input:focus { border-color: #2563EB; box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15); }

.code-input { text-transform: uppercase; letter-spacing: 4px; font-weight: 700; }

.join-actions { display: flex; gap: 10px; margin-top: 18px; }

.btn {
  border: 1.5px solid #2563EB;
  background: #fff;
  color: #2563EB;
  font-size: 15px;
  font-weight: 700;
  padding: 10px 16px;
  border-radius: 10px;
  cursor: pointer;
}

.btn:active { transform: scale(0.98); }

.btn.primary { background: #2563EB; color: #fff; }

.btn.big { flex: 1; padding: 13px 16px; }

.btn.wide { width: 100%; margin-bottom: 12px; }

.btn.small { padding: 7px 11px; font-size: 13px; }

.btn.danger-text { border-color: #DC2626; color: #DC2626; }

/* Room header */

.room-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  flex-wrap: wrap;
}

.room-code { font-size: 18px; color: #1E3A8A; }

.room-code strong { letter-spacing: 2px; }

.conn-note { font-size: 12px; color: #6B7280; margin-top: 3px; }

.room-actions { display: flex; gap: 8px; }

.member-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }

.member-chip {
  background: #DBEAFE;
  color: #1E40AF;
  border-radius: 999px;
  padding: 5px 11px;
  font-size: 13px;
  font-weight: 600;
}

.member-chip .away { color: #9CA3AF; font-weight: 400; }

/* Tabs */

.tabs {
  display: flex;
  gap: 6px;
  margin: 16px 0 14px;
}

.tabbtn {
  flex: 1;
  padding: 10px 4px;
  font-size: 15px;
  font-weight: 700;
  background: #fff;
  border: 1.5px solid #CBD5E1;
  border-radius: 10px;
  color: #374151;
  cursor: pointer;
}

.tabbtn.active { background: #2563EB; border-color: #2563EB; color: #fff; }

.tab { min-height: 200px; }

/* Chat */

.message-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 180px;
  max-height: 52vh;
  overflow-y: auto;
  padding: 4px 2px;
}

.empty-note { color: #6B7280; font-size: 14px; text-align: center; padding: 24px 12px; }

.msg {
  max-width: 85%;
  background: #fff;
  border: 1px solid #E5E7EB;
  border-radius: 14px 14px 14px 4px;
  padding: 9px 12px;
  align-self: flex-start;
  overflow-wrap: anywhere;
}

.msg.mine {
  background: #2563EB;
  color: #fff;
  border-color: #2563EB;
  border-radius: 14px 14px 4px 14px;
  align-self: flex-end;
}

.msg-name { font-size: 12px; font-weight: 700; opacity: 0.75; margin-bottom: 2px; }

.msg-text { font-size: 15px; overflow-wrap: anywhere; }

.msg-time { font-size: 11px; opacity: 0.6; margin-top: 3px; text-align: right; }

.typing { font-size: 13px; color: #6B7280; min-height: 19px; margin: 6px 0 2px; font-style: italic; }

.parser-note {
  font-size: 12px;
  color: #6B7280;
  background: #EFF6FF;
  border: 1px solid #BFDBFE;
  border-radius: 8px;
  padding: 8px 10px;
  margin: 8px 0 10px;
}

.composer { display: flex; gap: 8px; }

.composer .input { flex: 1; min-width: 0; }

/* Draft chit card */

.draft-card {
  background: #FFFBF2;
  border: 2px solid #F97316;
  border-radius: 12px;
  padding: 12px;
  margin: 8px 0;
}

.draft-title { font-size: 12px; font-weight: 800; color: #C2410C; text-transform: uppercase; letter-spacing: 0.4px; margin-bottom: 6px; }

.draft-line { font-size: 15px; margin: 3px 0; }

.draft-actions { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }

/* Ledger */

.ledger-list { display: flex; flex-direction: column; gap: 10px; }

.ledger-item {
  background: #fff;
  border: 1px solid #E5E7EB;
  border-radius: 12px;
  padding: 12px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: flex-start;
}

.ledger-item.settlement { border-color: #BBF7D0; background: #F0FDF4; }

.ledger-main { flex: 1; min-width: 0; font-size: 15px; overflow-wrap: anywhere; }

.ledger-note { color: #374151; }

.ledger-meta { font-size: 12px; color: #6B7280; }

.settlement-tag { font-size: 12px; color: #15803D; font-style: italic; }

.ledger-actions { display: flex; flex-direction: column; gap: 6px; flex-shrink: 0; }

/* Balances */

.balance-currency { font-weight: 800; color: #1E3A8A; margin: 14px 0 8px; }

.balance-currency:first-child { margin-top: 0; }

.net-list { display: flex; flex-direction: column; gap: 6px; }

.net-row {
  display: flex;
  justify-content: space-between;
  background: #fff;
  border: 1px solid #E5E7EB;
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 15px;
}

.net-row.owed span:last-child { color: #15803D; font-weight: 700; }
.net-row.owes span:last-child { color: #DC2626; font-weight: 700; }
.net-row.settled span:last-child { color: #6B7280; }

.debt-list { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }

.debt-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  background: #FFF7ED;
  border: 1px solid #FDBA74;
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 15px;
}

.settled-banner {
  background: #F0FDF4;
  border: 1px solid #86EFAC;
  color: #166534;
  border-radius: 10px;
  padding: 12px;
  font-weight: 700;
  text-align: center;
  margin-top: 12px;
}

/* Expense form */

.expense-form {
  background: #fff;
  border: 1.5px solid #2563EB;
  border-radius: 14px;
  padding: 16px;
  margin-top: 16px;
}

.amount-row { display: flex; gap: 8px; }

.amount-row .input:first-child { flex: 1; min-width: 0; }

.currency-select { width: 130px; flex-shrink: 0; }

.split-checks { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }

.split-check {
  background: #EFF6FF;
  border: 1px solid #BFDBFE;
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.form-actions { display: flex; gap: 8px; margin-top: 16px; }

/* Toast */

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  background: #111827;
  color: #fff;
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 14px;
  max-width: 90vw;
  text-align: center;
  z-index: 50;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}

@media (max-width: 380px) {
  .demo-pill { font-size: 10px; }
  h1 { font-size: 23px; }
  .join-actions { flex-direction: column; }
}