@property --progress-deg {
  syntax: "<angle>";
  initial-value: 0deg;
  inherits: true;
}

@property --ring-color {
  syntax: "<color>";
  initial-value: #4356d8;
  inherits: true;
}

:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-soft: #eef3ff;
  --text: #252638;
  --muted: #707184;
  --line: #daddea;
  --blue: #4356d8;
  --green: #148a2e;
  --green-soft: #ddf9df;
  --ring-track: #dde1ee;
  --shadow: 0 18px 46px rgba(39, 43, 67, 0.1);
  --progress-deg: 0deg;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1120;
    --surface: #111827;
    --surface-soft: #1e293b;
    --text: #f1f5f9;
    --muted: #94a3b8;
    --line: #1e293b;
    --blue: #6366f1;
    --green: #34d399;
    --green-soft: rgba(52, 211, 153, 0.14);
    --ring-track: #1e293b;
    --shadow: 0 18px 46px rgba(0, 0, 0, 0.4);
  }
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

h1,
h2,
p {
  margin: 0;
}

.app-shell {
  width: min(460px, 100%);
  margin: 0 auto;
  padding: max(22px, env(safe-area-inset-top)) 18px max(38px, env(safe-area-inset-bottom));
}

.section-heading,
.month-toolbar {
  display: flex;
  align-items: center;
}

.section-heading,
.month-toolbar {
  justify-content: space-between;
}

.mobile-layout {
  display: grid;
  gap: 28px;
}

.category-hero {
  text-align: center;
}

.month-toolbar {
  display: flex;
  justify-content: center;
  margin: 10px 0 14px;
}

.month-bar {
  display: flex;
  gap: 2px;
}

.month-pill {
  flex-shrink: 0;
  border: 0;
  border-radius: 999px;
  padding: 8px 20px;
  background: transparent;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease;
  white-space: nowrap;
}

.month-pill:active {
  opacity: 0.7;
}

.month-pill.is-active {
  background: var(--surface-soft);
  color: var(--text);
}

.month-pill.is-empty {
  opacity: 0.3;
  pointer-events: none;
}

.section-note {
  display: none;
}

.small-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green);
  font-weight: 800;
  font-size: 0.86rem;
  white-space: nowrap;
}

.category-hero h1 {
  font-size: clamp(2rem, 10vw, 2.85rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.hero-title-button,
.hero-amount-button {
  border: 0;
  padding: 0;
  background: transparent;
  color: inherit;
}

.hero-title-button {
  display: inline-block;
}

.hero-subtitle {
  margin-top: 12px;
  color: var(--text);
  font-size: 1rem;
}

.category-stage {
  position: relative;
  display: grid;
  place-items: center;
  width: min(330px, 86vw);
  height: min(330px, 86vw);
  margin: 20px auto 8px;
}

.progress-ring {
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  background: conic-gradient(
    from 215deg,
    var(--ring-color, var(--blue)) 0deg var(--progress-deg),
    var(--ring-track) var(--progress-deg) 285deg,
    transparent 285deg 360deg
  );
  mask: radial-gradient(farthest-side, transparent calc(100% - 12px), #000 calc(100% - 11px));
  transition: --progress-deg 0.9s cubic-bezier(0.4, 0, 0.2, 1), --ring-color 0.7s ease;
}

.category-art {
  position: relative;
  display: grid;
  place-items: center;
  width: 68%;
  aspect-ratio: 1;
  border: 0;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 72%, rgba(0, 0, 0, 0.12), transparent 24%),
    linear-gradient(180deg, var(--surface) 0%, var(--bg) 100%);
  box-shadow: inset 0 -12px 30px rgba(0, 0, 0, 0.08);
  font-size: clamp(5.4rem, 23vw, 7.3rem);
  color: var(--text);
}

.category-art::after {
  content: "Toca para cambiar";
  position: absolute;
  bottom: -18px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  white-space: nowrap;
}

.hero-amount {
  display: block;
  margin-top: 4px;
  font-size: clamp(3rem, 13vw, 4.35rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.hero-caption {
  margin-top: 14px;
  color: var(--muted);
  font-size: 1rem;
}

.hero-positive {
  margin-top: 12px;
  color: var(--green);
  font-size: 1rem;
  font-weight: 800;
}

.hero-neutral {
  margin-top: 12px;
  color: var(--muted);
  font-size: 1rem;
}

.hero-warning {
  margin-top: 12px;
  color: #b45309;
  font-size: 1rem;
  font-weight: 700;
}

.hero-danger {
  margin-top: 12px;
  color: #dc2626;
  font-size: 1rem;
  font-weight: 800;
}

.section-block {
  display: grid;
  gap: 14px;
}

.section-block h2 {
  font-size: clamp(1.55rem, 6vw, 2rem);
  letter-spacing: -0.04em;
}

.category-picker {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(122px, 38%);
  gap: 12px;
  overflow-x: auto;
  padding: 2px 2px 8px;
  scroll-snap-type: x mandatory;
}

.category-button {
  scroll-snap-align: start;
  min-height: 134px;
  border: 1px solid transparent;
  border-radius: 24px;
  padding: 14px;
  background: var(--surface-soft);
  color: var(--text);
  text-align: left;
  display: grid;
  align-content: space-between;
  gap: 14px;
}

.category-button.is-active {
  background: var(--text);
  color: var(--bg);
  box-shadow: var(--shadow);
}

.category-button-icon {
  justify-self: end;
  align-self: end;
  font-size: 3.4rem;
  line-height: 1;
  opacity: 0.96;
}

.category-button-copy,
.category-button strong,
.category-button span {
  display: block;
}

.category-button-copy {
  align-self: start;
}

.category-button strong {
  margin-bottom: 4px;
  font-size: 0.96rem;
}

.category-button-copy span {
  color: inherit;
  opacity: 0.72;
  font-size: 1rem;
}

.summary-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.summary-card,
.expense-item,
.movements-card {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: 0 10px 28px rgba(39, 43, 67, 0.06);
}

.summary-card {
  padding: 16px;
}

.summary-card span {
  color: var(--muted);
  font-weight: 700;
}

.summary-card strong {
  display: block;
  margin-top: 8px;
  font-size: 1.55rem;
  letter-spacing: -0.04em;
}

.movements-card {
  padding: 18px;
}

.expense-list {
  display: grid;
  gap: 12px;
  max-height: 24rem;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.expense-item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 14px;
}

.expense-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--surface-soft);
  font-size: 1.25rem;
}

.expense-copy {
  min-width: 0;
}

.expense-title {
  font-weight: 800;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.expense-meta {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.88rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.expense-amount {
  font-size: 1rem;
  white-space: nowrap;
}

.empty-state {
  color: var(--muted);
}

select,
input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 13px 14px;
  background: var(--surface);
  color: var(--text);
  outline: none;
}

select:focus,
input:focus {
  border-color: rgba(67, 86, 216, 0.52);
  box-shadow: 0 0 0 4px rgba(67, 86, 216, 0.1);
}

@media (min-width: 720px) {
  .app-shell {
    width: min(920px, 100%);
  }

  .mobile-layout {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .category-hero,
  .section-block:first-of-type {
    grid-column: 1 / -1;
  }
}

@media (max-width: 380px) {
  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .month-bar {
    width: 100%;
    justify-content: center;
  }

  .category-stage {
    margin-top: 16px;
  }
}

.skeleton {
  background: var(--surface-soft);
  border-radius: 16px;
  animation: skeleton-pulse 1.6s ease-in-out infinite;
}

@keyframes skeleton-pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.8; }
}

.skeleton-hero {
  width: min(330px, 86vw);
  height: min(330px, 86vw);
  margin: 20px auto 8px;
  border-radius: 50%;
}

.skeleton-title {
  width: 240px;
  height: 36px;
  margin: 0 auto 10px;
}

.skeleton-subtitle {
  width: 180px;
  height: 18px;
  margin: 0 auto 10px;
}

.skeleton-amount {
  width: 160px;
  height: 46px;
  margin: 14px auto 8px;
  border-radius: 14px;
}

.skeleton-row {
  width: 100%;
  height: 56px;
  margin-bottom: 8px;
}

.skeleton-hidden {
  display: none;
}