:root {
  --bg: #f5f8fd;
  --surface: rgba(255, 255, 255, .92);
  --surface-solid: #ffffff;
  --text: #0f1f3d;
  --muted: #5c6b84;
  --line: #dbe5f2;
  --blue: #2563eb;
  --blue-soft: #eaf2ff;
  --green: #119b6b;
  --green-soft: #e7f8f1;
  --orange: #f28c18;
  --orange-soft: #fff3df;
  --red: #dc2626;
  --red-soft: #fff1f2;
  --shadow: 0 18px 48px rgba(29, 52, 92, .10);
  --shadow-soft: 0 10px 26px rgba(29, 52, 92, .07);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, .10), transparent 34rem),
    radial-gradient(circle at 72% 12%, rgba(17, 155, 107, .09), transparent 24rem),
    linear-gradient(180deg, #fbfdff 0%, var(--bg) 55%, #f8fbff 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(37, 99, 235, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, .035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent 72%);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(255, 255, 255, .78);
  border-bottom: 1px solid rgba(219, 229, 242, .9);
}

.brand {
  width: min(1360px, calc(100% - 32px));
  margin: 0 auto;
  height: 70px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-icon {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: var(--blue);
  background: var(--blue-soft);
  box-shadow: inset 0 0 0 1px rgba(37, 99, 235, .13);
  font-size: 1.35rem;
}

.brand strong {
  display: block;
  font-size: 1.25rem;
  letter-spacing: -.03em;
}

.brand span:last-child {
  display: block;
  color: var(--muted);
  font-size: .9rem;
  margin-top: 1px;
}

.app {
  position: relative;
  width: min(1360px, calc(100% - 32px));
  margin: 0 auto;
  padding: 44px 0 80px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(360px, .75fr);
  gap: 32px;
  align-items: stretch;
  margin-bottom: 22px;
}

.hero-content {
  position: relative;
  min-height: 300px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-weight: 800;
  letter-spacing: .10em;
  text-transform: uppercase;
  font-size: .78rem;
}

h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(2.35rem, 5vw, 4.2rem);
  line-height: .98;
  letter-spacing: -.06em;
}

.intro {
  max-width: 770px;
  margin: 20px 0 30px;
  color: var(--muted);
  line-height: 1.75;
  font-size: 1.04rem;
}

.settings {
  display: grid;
  grid-template-columns: repeat(2, minmax(250px, 1fr));
  gap: 18px;
  max-width: 820px;
}

.setting-card,
.stat-card,
.panel,
.drop-zone {
  background: var(--surface);
  border: 1px solid rgba(219, 229, 242, .95);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(16px);
}

.setting-card {
  min-height: 124px;
  border-radius: 22px;
  padding: 18px;
  display: flex;
  align-items: center;
  gap: 18px;
}

.setting-icon,
.stat-icon {
  flex: 0 0 auto;
  width: 56px;
  height: 56px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-size: 1.55rem;
  font-weight: 800;
}

.setting-icon.clock,
.stat-days .stat-icon { color: var(--blue); background: var(--blue-soft); }
.setting-icon.location,
.stat-work .stat-icon,
.stat-saldo .stat-icon { color: var(--green); background: var(--green-soft); }
.stat-target .stat-icon { color: var(--orange); background: var(--orange-soft); }

.setting-content {
  display: grid;
  gap: 8px;
  width: 100%;
}

.setting-label,
.stat-card > span:not(.stat-icon) {
  color: #31415d;
  font-size: .92rem;
  font-weight: 750;
}

.settings input,
.settings select {
  width: 100%;
  border: 1px solid #cfd9e8;
  border-radius: 14px;
  padding: 12px 14px;
  font: inherit;
  color: var(--text);
  background: #fff;
  outline: none;
  box-shadow: inset 0 1px 0 rgba(15, 31, 61, .03);
  transition: border-color .18s ease, box-shadow .18s ease;
}

.settings input:focus,
.settings select:focus {
  border-color: rgba(37, 99, 235, .6);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, .10);
}

.drop-zone {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 302px;
  border: 2px dashed rgba(37, 99, 235, .48);
  border-radius: 28px;
  cursor: pointer;
  overflow: hidden;
  transition: transform .18s ease, border-color .18s ease, background .18s ease, box-shadow .18s ease;
}

.drop-zone::before {
  content: "";
  position: absolute;
  inset: 18px;
  border-radius: 22px;
  background: radial-gradient(circle, rgba(37, 99, 235, .12), transparent 52%);
  opacity: .8;
}

.drop-zone:hover,
.drop-zone.dragover {
  transform: translateY(-2px);
  border-color: var(--blue);
  background: rgba(234, 242, 255, .84);
  box-shadow: var(--shadow);
}

.drop-zone input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  z-index: 3;
}

.drop-content {
  position: relative;
  z-index: 2;
  display: grid;
  justify-items: center;
  gap: 8px;
  text-align: center;
  color: var(--muted);
}

.upload-icon {
  width: 84px;
  height: 84px;
  display: grid;
  place-items: center;
  border-radius: 28px;
  color: var(--blue);
  background: #fff;
  box-shadow: var(--shadow-soft);
  font-size: 2.8rem;
  line-height: 1;
}

.drop-content strong {
  color: var(--text);
  font-size: 1.15rem;
  margin-top: 8px;
}

.drop-content em {
  margin-top: 8px;
  font-style: normal;
  font-size: .88rem;
  color: var(--muted);
}

.error {
  margin: 18px 0 0;
  padding: 16px 18px;
  border-radius: 18px;
  background: var(--red-soft);
  color: #be123c;
  border: 1px solid #fecdd3;
  font-weight: 650;
}

.hidden { display: none !important; }

.format-hint {
  min-height: 26px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: .94rem;
}

.summary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin: 24px 0;
}

.stat-card {
  position: relative;
  min-height: 146px;
  border-radius: 22px;
  padding: 22px;
  display: grid;
  grid-template-columns: 64px 1fr;
  grid-template-areas:
    "icon label"
    "icon value"
    "icon hint";
  align-items: center;
  column-gap: 16px;
  overflow: hidden;
}

.stat-card::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  background: var(--blue);
}

.stat-work::after,
.stat-saldo::after { background: var(--green); }
.stat-target::after { background: var(--orange); }

.stat-icon { grid-area: icon; }
.stat-card > span:not(.stat-icon) { grid-area: label; }
.stat-card strong {
  grid-area: value;
  font-size: clamp(1.7rem, 3vw, 2.25rem);
  letter-spacing: -.04em;
}
.stat-card small {
  grid-area: hint;
  color: var(--muted);
}

.stat-saldo strong.positive { color: var(--green); }
.stat-saldo strong.negative { color: var(--red); }

.results {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  gap: 18px;
  align-items: start;
}

.panel {
  border-radius: 24px;
  padding: 22px;
  overflow: hidden;
}

.table-header,
.details summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.section-title {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.section-title > span {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--blue-soft);
  color: var(--blue);
  font-weight: 900;
}

.table-header h2,
.details summary strong {
  margin: 0;
  font-size: 1.2rem;
  letter-spacing: -.02em;
}

button {
  border: 1px solid rgba(37, 99, 235, .18);
  border-radius: 14px;
  padding: 10px 14px;
  background: #fff;
  color: var(--blue);
  font: inherit;
  font-weight: 750;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
  transition: transform .16s ease, box-shadow .16s ease, background .16s ease;
}

button:hover {
  transform: translateY(-1px);
  background: var(--blue-soft);
}

.table-wrap {
  overflow-x: auto;
  margin: 0 -22px -22px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: .93rem;
}

th,
td {
  padding: 14px 22px;
  border-bottom: 1px solid #e8eef6;
  text-align: left;
  white-space: nowrap;
}

th {
  color: #3c4a63;
  font-size: .82rem;
  font-weight: 850;
  background: #f8fbff;
}

tbody tr {
  transition: background .15s ease;
}

tbody tr:hover td {
  background: rgba(234, 242, 255, .55);
}

tr.holiday-row td {
  background: #fff7ed;
}

tr.weekend-row td {
  background: #f8fafc;
}

.positive { color: var(--green); font-weight: 850; }
.negative { color: var(--red); font-weight: 850; }
.neutral { color: var(--muted); font-weight: 850; }

.details {
  margin: 0;
}

.details summary {
  cursor: pointer;
  list-style: none;
}

.details summary::-webkit-details-marker { display: none; }

.summary-hint {
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 8px 10px;
  font-size: .86rem;
  background: #fff;
}

.app-footer {
  position: fixed;
  right: 18px;
  bottom: 12px;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, .78);
  border: 1px solid rgba(219, 229, 242, .9);
  backdrop-filter: blur(14px);
  box-shadow: 0 8px 22px rgba(29, 52, 92, .08);
  font-size: .82rem;
}

.app-footer a {
  color: var(--blue);
  text-decoration: none;
  font-weight: 750;
}

.app-footer a:hover { text-decoration: underline; }

@media (max-width: 1100px) {
  .hero,
  .results { grid-template-columns: 1fr; }
  .drop-zone { min-height: 240px; }
}

@media (max-width: 820px) {
  .app { padding-top: 28px; }
  .settings,
  .summary { grid-template-columns: 1fr 1fr; }
  .brand { height: 62px; }
  .hero { gap: 22px; }
}

@media (max-width: 620px) {
  .app,
  .brand { width: min(100% - 22px, 1360px); }
  .settings,
  .summary { grid-template-columns: 1fr; }
  .setting-card,
  .stat-card { border-radius: 18px; }
  .table-header,
  .details summary { align-items: flex-start; flex-direction: column; }
  .app-footer { left: 12px; right: 12px; justify-content: center; }
}