:root {
  --ink: #071a33;
  --muted: #43617f;
  --paper: #dbeafe;
  --paper-strong: #f0f7ff;
  --clay: #2563eb;
  --clay-dark: #0f3a75;
  --sage: #0ea5e9;
  --gold: #93c5fd;
  --done: #22c55e;
  --done-dark: #14532d;
  --line: rgba(7, 26, 51, 0.16);
  --shadow: 0 24px 70px rgba(7, 26, 51, 0.16);
  font-family: Manrope, system-ui, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; }
button, input, select { font: inherit; }
[hidden] { display: none !important; }
.grain { position: fixed; inset: 0; pointer-events: none; opacity: .28; background-image: radial-gradient(rgba(7,26,51,.18) 0.7px, transparent 0.7px); background-size: 7px 7px; mix-blend-mode: multiply; }

.login-screen { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card { width: min(100%, 420px); background: color-mix(in oklch, var(--paper-strong) 88%, var(--gold)); border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: 30px; padding: 28px; display: grid; gap: 16px; }
.login-card h2 { font-family: Fraunces, serif; font-size: 2.6rem; line-height: .95; margin: 0 0 6px; letter-spacing: -.06em; }
.login-card label { display: grid; gap: 8px; color: var(--muted); font-weight: 800; }
.login-card input { border: 1px solid var(--line); background: rgba(240,247,255,.9); border-radius: 14px; padding: 13px; color: var(--ink); }
.login-error { min-height: 1.2em; margin: 0; color: #b91c1c; font-weight: 800; }

.hero { display: grid; grid-template-columns: minmax(0, 1fr) 390px; gap: clamp(24px, 6vw, 84px); padding: clamp(28px, 6vw, 80px); align-items: end; }
.eyebrow { text-transform: uppercase; letter-spacing: .18em; font-size: .72rem; font-weight: 800; color: var(--clay-dark); margin: 0 0 12px; }
h1 { font-family: Fraunces, serif; font-size: clamp(3rem, 10vw, 8.8rem); line-height: .82; letter-spacing: -.07em; margin: 0; max-width: 920px; }
.hero-copy { max-width: 620px; color: var(--muted); font-size: clamp(1rem, 2vw, 1.2rem); line-height: 1.7; margin: 28px 0 0; }
.session-bar { display: flex; align-items: center; gap: 12px; margin-top: 18px; color: var(--muted); font-weight: 800; }

.car-card, .month-panel, .date-card, .overview article { background: color-mix(in oklch, var(--paper-strong) 86%, var(--gold)); border: 1px solid var(--line); box-shadow: var(--shadow); }
.car-card { border-radius: 34px; padding: 26px; transform: rotate(-1.2deg); }
.car-card__top, .car-numbers { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.car-card__top span { font-weight: 800; }
.text-button { border: 0; background: transparent; color: var(--clay-dark); padding: 0; cursor: pointer; font-weight: 800; }
.target-field { display: grid; gap: 8px; margin: 24px 0; color: var(--muted); font-weight: 700; }
.target-field input { width: 100%; border: 0; border-bottom: 2px solid var(--ink); background: transparent; font-size: 2rem; font-weight: 800; padding: 4px 0; color: var(--ink); }
.progress-shell { height: 18px; background: rgba(7, 26, 51, .12); border-radius: 999px; overflow: hidden; }
.progress-bar { height: 100%; width: 0%; background: linear-gradient(90deg, var(--sage), var(--gold)); border-radius: inherit; transition: width .45s ease; }
.car-numbers { margin-top: 16px; color: var(--muted); }
.car-numbers strong { color: var(--ink); font-size: 1.35rem; }

main { padding: 0 clamp(18px, 5vw, 64px) 64px; }
.overview { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-bottom: 26px; }
.overview article { border-radius: 24px; padding: 20px; min-height: 116px; display: flex; flex-direction: column; justify-content: space-between; }
.overview span, .month-stats span { color: var(--muted); font-size: .86rem; font-weight: 800; }
.overview strong { font-size: clamp(1.4rem, 3vw, 2.2rem); letter-spacing: -.04em; }

.month-tabs { display: flex; gap: 10px; overflow-x: auto; padding: 8px 0 22px; }
.month-tabs button { border: 1px solid var(--line); background: rgba(240,247,255,.65); color: var(--muted); border-radius: 999px; padding: 11px 17px; cursor: pointer; font-weight: 800; white-space: nowrap; }
.month-tabs button.active { background: var(--ink); color: var(--paper-strong); border-color: var(--ink); }

.workspace { display: grid; grid-template-columns: 310px minmax(0, 1fr); gap: 24px; align-items: start; }
.month-panel { border-radius: 34px; padding: 26px; position: sticky; top: 18px; }
.month-panel h2 { font-family: Fraunces, serif; font-size: 3.4rem; margin: 0 0 22px; letter-spacing: -.06em; }
.month-stats { display: grid; gap: 14px; }
.month-stats div { display: flex; justify-content: space-between; border-bottom: 1px solid var(--line); padding-bottom: 12px; gap: 12px; }
.primary-button { width: 100%; margin-top: 22px; border: 0; border-radius: 18px; padding: 15px; background: var(--clay); color: #f0f7ff; font-weight: 900; cursor: pointer; }

.timeline { display: grid; gap: 18px; }
.date-card { border-radius: 30px; padding: 22px; }
.date-head { display: grid; grid-template-columns: auto 1fr auto; gap: 16px; align-items: center; margin-bottom: 18px; }
.date-badge { width: 64px; height: 64px; border-radius: 20px; background: var(--ink); color: var(--paper-strong); display: grid; place-items: center; font-weight: 900; font-size: 1.6rem; }
.date-head h3 { margin: 0; font-size: 1.25rem; }
.date-head p { margin: 4px 0 0; color: var(--muted); font-weight: 700; }
.balance { font-weight: 900; color: var(--sage); }
.balance.negative { color: var(--clay-dark); }

.item-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.item-row { display: grid; grid-template-columns: 32px minmax(140px, 1fr) 132px 118px 36px; gap: 8px; align-items: center; background: rgba(240, 247, 255, .78); border: 1px solid rgba(7, 26, 51, .12); border-radius: 16px; padding: 8px; }
.item-row.done { background: rgba(34, 197, 94, .20); border-color: rgba(34, 197, 94, .55); }
.item-row.done .item-name { text-decoration: line-through; }
.item-row.done .item-name, .item-row.done .item-amount, .item-row.done .item-category { color: var(--done-dark); }
.check-wrap { display: grid; place-items: center; }
.check-wrap input { width: 19px; height: 19px; accent-color: var(--sage); }
.item-name, .item-amount, .item-category { border: 0; background: transparent; min-width: 0; color: var(--ink); }
.item-name { font-weight: 800; }
.item-amount { text-align: right; font-weight: 900; }
.item-category { background: rgba(7,26,51,.06); border-radius: 999px; padding: 8px 10px; font-weight: 800; color: var(--muted); }
.item-row.done .item-category { background: rgba(34, 197, 94, .18); }
.delete-button { border: 0; background: rgba(37,99,235,.13); color: var(--clay-dark); border-radius: 10px; height: 32px; cursor: pointer; font-size: 1.2rem; }
.add-form { display: grid; grid-template-columns: minmax(120px, 1fr) 128px 116px auto; gap: 8px; margin-top: 14px; }
.add-form input, .add-form select { border: 1px solid var(--line); background: rgba(240,247,255,.86); border-radius: 14px; padding: 12px; min-width: 0; }
.add-form button { border: 0; border-radius: 14px; background: var(--sage); color: #f0f7ff; font-weight: 900; padding: 0 16px; cursor: pointer; }
.empty { color: var(--muted); font-weight: 800; padding: 18px; border: 1px dashed var(--line); border-radius: 18px; }

@media (max-width: 980px) {
  .hero, .workspace { grid-template-columns: 1fr; }
  .car-card { transform: none; }
  .overview { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .month-panel { position: static; }
}
@media (max-width: 680px) {
  .hero { padding: 26px 18px 18px; }
  main { padding-inline: 14px; }
  .overview { grid-template-columns: 1fr; }
  .date-head { grid-template-columns: auto 1fr; }
  .balance { grid-column: 1 / -1; }
  .item-row { grid-template-columns: 28px 1fr 88px; }
  .item-category { grid-column: 2 / 3; }
  .item-amount { grid-column: 3 / 4; grid-row: 1 / 2; }
  .delete-button { grid-column: 3 / 4; grid-row: 2 / 3; }
  .add-form { grid-template-columns: 1fr; }
  h1 { letter-spacing: -.055em; }
}

.login-divider { display: flex; align-items: center; gap: 12px; margin: 4px 0 14px; color: var(--muted); font-weight: 800; }
.login-divider::before, .login-divider::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.google-button { display: flex; align-items: center; justify-content: center; gap: 10px; border: 1px solid var(--line); border-radius: 18px; padding: 14px; background: #fff; color: #1f1f1f; font-weight: 800; text-decoration: none; }
.google-button:hover { background: #f6f9ff; }