:root {
  --bg: #F7F5F0;
  --ink: #1E2A38;
  --red: #A63446;
  --gold: #C08A3E;
  --green: #3F7A5C;
  --border: #E7E2D6;
  --muted: #8A8371;
  --muted2: #5B6472;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--ink);
}

.hidden { display: none !important; }

.eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .18em;
  color: var(--gold);
  margin: 0 0 2px;
}

/* Login */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ink);
  padding: 20px;
}
.login-box {
  background: var(--bg);
  border-radius: 20px;
  padding: 32px 24px;
  max-width: 360px;
  width: 100%;
  text-align: center;
}
.login-box h1 {
  font-family: 'Fraunces', serif;
  font-size: 26px;
  margin: 0 0 12px;
}
.login-hint { font-size: 13px; color: var(--muted2); margin-bottom: 18px; }
.login-hint code { background: #eee; padding: 1px 4px; border-radius: 4px; }
#login-input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 15px;
  margin-bottom: 12px;
}
#login-btn {
  width: 100%;
  padding: 12px;
  background: var(--ink);
  color: white;
  border: none;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
}
.error-text { color: var(--red); font-size: 13px; min-height: 18px; margin-top: 10px; }

/* App shell */
.app { max-width: 480px; margin: 0 auto; min-height: 100vh; padding-bottom: 90px; }

.header {
  background: var(--ink);
  color: var(--bg);
  padding: 24px 18px 20px;
  border-radius: 0 0 28px 28px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.header h1 { font-family: 'Fraunces', serif; font-weight: 600; font-size: 21px; margin: 0; }
.back-btn { background: none; border: none; color: var(--bg); font-size: 20px; cursor: pointer; padding: 4px; }

.main { padding: 20px 16px 0; }

/* Bottom nav */
.bottom-nav {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: white; border-top: 1px solid var(--border);
  display: flex; max-width: 480px; margin: 0 auto;
}
.nav-btn {
  flex: 1; background: none; border: none; padding: 10px 0;
  color: var(--muted); font-size: 11px; font-weight: 500; cursor: pointer;
}
.nav-btn.active { color: var(--red); }

.fab {
  position: fixed; bottom: 76px; right: 18px;
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--red); color: white; border: none;
  font-size: 26px; cursor: pointer; box-shadow: 0 6px 16px rgba(0,0,0,.2);
}

/* Cards */
.card {
  background: white; border: 1px solid var(--border); border-radius: 16px;
  padding: 18px; margin-bottom: 14px;
}
.section-label {
  font-family: 'JetBrains Mono', monospace; font-size: 11px; text-transform: uppercase;
  letter-spacing: .18em; color: var(--muted); margin: 18px 0 8px;
}
.empty-note { font-size: 14px; color: var(--muted); font-style: italic; margin: 6px 0; }

.stamp {
  display: inline-flex; align-items: center; border: 2px solid var(--red); color: var(--red);
  border-radius: 999px; padding: 2px 10px; font-size: 10px; font-weight: 600;
  text-transform: uppercase; letter-spacing: .05em; font-family: 'JetBrains Mono', monospace;
  transform: rotate(-3deg);
}
.stamp.gold { border-color: var(--gold); color: var(--gold); }

.event-row {
  background: white; border: 1px solid var(--border); border-radius: 12px;
  padding: 12px 14px; display: flex; gap: 10px; align-items: flex-start; margin-bottom: 8px;
}
.event-row.overdue { border-color: rgba(166,52,70,.4); }
.event-check { border: none; background: none; cursor: pointer; padding: 0; font-size: 18px; line-height: 1; margin-top: 2px; color: #C9C2AF; }
.event-check.done { color: var(--green); }
.event-body { flex: 1; min-width: 0; }
.event-meta { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 3px; }
.mono-xs { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--muted); }
.event-title { font-weight: 500; margin: 0; }
.event-title.done { text-decoration: line-through; color: var(--muted); }
.event-loc { font-size: 13px; color: var(--muted2); margin: 2px 0 0; }
.event-client-link { font-size: 13px; color: var(--red); background: none; border: none; padding: 0; cursor: pointer; margin-top: 2px; }
.event-del { background: none; border: none; color: #C9C2AF; cursor: pointer; }

.client-item {
  width: 100%; background: white; border: 1px solid var(--border); border-radius: 12px;
  padding: 14px; display: flex; align-items: center; gap: 12px; text-align: left; cursor: pointer; margin-bottom: 8px;
}
.client-avatar {
  width: 40px; height: 40px; border-radius: 50%; background: var(--ink); color: var(--gold);
  display: flex; align-items: center; justify-content: center; font-family: 'Fraunces', serif; font-weight: 700; flex-shrink: 0;
}
.client-name { font-weight: 500; margin: 0; }
.client-sub { font-size: 13px; color: var(--muted); margin: 2px 0 0; }

.finance-summary { background: var(--ink); color: var(--bg); border-radius: 16px; padding: 18px; }
.finance-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; text-align: center; }
.finance-grid .label { font-size: 10px; text-transform: uppercase; letter-spacing: .05em; color: #8A9099; }
.finance-grid .value { font-family: 'JetBrains Mono', monospace; font-weight: 600; margin-top: 3px; }
.value.paid { color: #7FBF9E; }
.value.due { color: #E0A8AE; }
.next-due { text-align: center; font-size: 12px; color: var(--gold); margin-top: 12px; font-family: 'JetBrains Mono', monospace; }

.installment-row {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  background: white; border: 1px solid var(--border); border-radius: 12px; padding: 10px 14px;
  margin-bottom: 6px; cursor: pointer;
}
.installment-row.paid { background: #EFF5F1; border-color: rgba(63,122,92,.3); }
.installment-left { display: flex; gap: 10px; align-items: center; }
.installment-value { font-family: 'JetBrains Mono', monospace; font-weight: 600; }

.filter-row { display: flex; gap: 8px; margin-bottom: 14px; }
.filter-btn { padding: 6px 14px; border-radius: 999px; font-size: 13px; border: 1px solid var(--border); background: white; color: var(--muted2); cursor: pointer; }
.filter-btn.active { background: var(--ink); color: white; border-color: var(--ink); }

.info-row { display: flex; gap: 10px; font-size: 14px; margin-bottom: 6px; }
.info-row .icon { color: var(--gold); width: 15px; }
.info-row .info-label { color: var(--muted); width: 70px; flex-shrink: 0; }

.delete-client-btn { width: 100%; text-align: center; background: none; border: none; color: var(--red); padding: 10px; cursor: pointer; font-size: 14px; }

/* Modal */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.4); display: flex; align-items: flex-end; justify-content: center; z-index: 50; }
.modal-box { background: var(--bg); border-radius: 20px 20px 0 0; width: 100%; max-width: 480px; max-height: 88vh; overflow-y: auto; padding: 0 20px 30px; }
@media (min-width: 480px) {
  .modal-overlay { align-items: center; }
  .modal-box { border-radius: 20px; }
}
.modal-header { display: flex; justify-content: space-between; align-items: center; padding: 20px 0 10px; position: sticky; top: 0; background: var(--bg); }
.modal-header h2 { font-family: 'Fraunces', serif; font-weight: 600; font-size: 18px; margin: 0; }
.modal-close { background: none; border: none; font-size: 20px; color: var(--muted); cursor: pointer; }

.field { display: block; margin-bottom: 14px; }
.field-label { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-family: 'JetBrains Mono', monospace; margin-bottom: 4px; }
.field input, .field select, .field textarea {
  width: 100%; background: white; border: 1px solid var(--border); border-radius: 10px;
  padding: 10px 12px; font-size: 14px; font-family: inherit;
}
.type-toggle { display: flex; gap: 8px; }
.type-toggle button { flex: 1; padding: 9px; border-radius: 10px; border: 1px solid var(--border); background: white; cursor: pointer; font-size: 14px; }
.type-toggle button.active { background: var(--ink); color: white; border-color: var(--ink); }

.save-btn {
  width: 100%; background: var(--ink); color: white; border: none; border-radius: 10px;
  padding: 13px; font-weight: 600; font-size: 15px; cursor: pointer; margin-top: 4px;
}
.save-btn:disabled { opacity: .4; cursor: not-allowed; }

.toast {
  position: fixed; bottom: 90px; left: 50%; transform: translateX(-50%);
  background: var(--ink); color: var(--bg); font-size: 13px; padding: 9px 18px;
  border-radius: 999px; z-index: 60;
}

.loading-note { text-align: center; padding: 60px 0; color: var(--muted); }