:root {
  --green: #171a1f;
  --green-soft: #343a40;
  --coffee: #4b5563;
  --cream: #f3f4f6;
  --line: #d8dde3;
  --text: #171a1f;
  --muted: #69727d;
  --danger: #2d333b;
  --ok: #2f3a45;
  --warn: #52525b;
  --surface: #ffffff;
  --soft: #eef0f3;
  --ink: #0f1419;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(31,41,51,.08), transparent 34rem),
    linear-gradient(180deg, #f7f8f9 0%, var(--cream) 100%);
  color: var(--text);
}
a { color: inherit; text-decoration: none; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(23, 26, 31, .96);
  backdrop-filter: blur(14px);
  color: white;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 800;
  font-size: 18px;
}
.brand span {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 8px;
  background: rgba(255,255,255,.08);
  font-size: 13px;
}
.menu-toggle {
  border: 1px solid rgba(255,255,255,.35);
  background: transparent;
  color: white;
  border-radius: 8px;
  min-width: 44px;
  min-height: 44px;
  font-size: 22px;
}
.nav {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  top: 68px;
  background: rgba(23, 26, 31, .98);
  padding: 10px 16px 18px;
}
.nav.open { display: grid; gap: 8px; }
.nav a {
  padding: 12px;
  border-radius: 8px;
  color: white;
}
.nav a.active, .nav a:hover { background: rgba(255,255,255,.14); }

.app {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 16px;
}
.page-title h1 {
  margin: 3px 0 16px;
  font-size: 28px;
}
.page-title span {
  color: var(--muted);
  display: block;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.panel {
  background: rgba(255,255,255,.92);
  border: 1px solid var(--line);
  box-shadow: 0 14px 40px rgba(15,20,25,.06);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 16px;
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.panel-head h2 { margin: 0; font-size: 20px; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.stat {
  background: linear-gradient(180deg, #ffffff 0%, #f7f8fa 100%);
  border: 1px solid var(--line);
  border-left: 5px solid var(--green-soft);
  border-radius: 10px;
  padding: 14px;
  box-shadow: 0 10px 28px rgba(15,20,25,.05);
}
.stat span, .split span { display: block; color: var(--muted); font-size: 13px; }
.stat strong, .split strong { display: block; margin-top: 7px; font-size: 23px; color: var(--green); }

.form-grid, .filters {
  display: grid;
  gap: 12px;
}
label {
  display: grid;
  gap: 6px;
  font-weight: 700;
  color: var(--green);
}
input, select {
  width: 100%;
  min-height: 46px;
  border: 1px solid #c9d0d8;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 16px;
  background: #fbfcfd;
}
.check {
  display: flex;
  align-items: center;
  gap: 8px;
}
.check input { width: 20px; min-height: 20px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border: 0;
  border-radius: 8px;
  padding: 10px 14px;
  background: var(--coffee);
  color: white;
  font-weight: 800;
  cursor: pointer;
}
.btn.primary { background: var(--green-soft); }
.btn.small { min-height: 36px; padding: 8px 10px; font-size: 13px; }
.btn.danger { background: var(--danger); }
.btn.whats { background: #252a31; }

.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
}
th, td {
  text-align: left;
  border-bottom: 1px solid var(--line);
  padding: 11px 9px;
  vertical-align: middle;
}
th {
  color: var(--green);
  background: #f5f6f8;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.actions form { margin: 0; }
.badge {
  display: inline-block;
  border-radius: 999px;
  padding: 5px 9px;
  font-size: 12px;
  font-weight: 800;
  background: #eee;
}
.badge.ok { color: var(--ok); background: #e7eaee; }
.badge.warn { color: var(--warn); background: #eceff3; }
.badge.muted { color: #666; background: #eeeeee; }

.flash {
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 14px;
  font-weight: 800;
}
.flash.success { background: #e7eaee; color: var(--ok); }
.flash.error { background: #e5e7eb; color: var(--danger); }
.flash.hide { display: none; }

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}
.dashboard-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  align-items: end;
  background:
    linear-gradient(135deg, rgba(15,20,25,.94), rgba(65,73,83,.9)),
    linear-gradient(45deg, #111827, #6b7280);
  color: white;
  border-radius: 14px;
  padding: 22px;
  margin-bottom: 16px;
  box-shadow: 0 20px 50px rgba(15,20,25,.18);
}
.dashboard-hero span,
.hero-total span {
  display: block;
  color: #cbd2d9;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}
.dashboard-hero h2 {
  margin: 8px 0;
  font-size: clamp(28px, 6vw, 48px);
  line-height: 1;
}
.dashboard-hero p {
  max-width: 620px;
  color: #e2e6ea;
  margin: 0;
}
.hero-total {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 10px;
  padding: 16px;
}
.hero-total strong {
  display: block;
  margin-top: 6px;
  font-size: 28px;
}
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.ranking-list {
  display: grid;
  gap: 8px;
}
.ranking-list p {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin: 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8f9fa;
}
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}
.summary-grid > div {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}
.summary-grid h3 {
  margin: 0 0 8px;
  color: var(--green);
  font-size: 17px;
}
.summary-grid p {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin: 0;
  padding: 8px 0;
  border-top: 1px solid var(--line);
}
.summary-grid p:first-of-type { border-top: 0; }
.mini-list {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}
.mini-list p {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 0;
  padding: 9px 0;
  border-top: 1px solid var(--line);
}
.mini-list small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
}
.harvest-list,
.balance-list,
.payment-history,
.history-list {
  display: grid;
  gap: 10px;
}
.harvest-list article,
.payment-history article {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}
.harvest-list span,
.payment-history span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-top: 4px;
}
.harvest-list b,
.payment-history b {
  color: var(--green);
  font-size: 18px;
}
.payment-history .actions {
  grid-column: 1 / -1;
}
.history-list article {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}
.accordion-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0;
  background: #ffffff;
  overflow: hidden;
}
.accordion-item summary {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 12px;
  cursor: pointer;
  list-style: none;
}
.accordion-item summary::-webkit-details-marker {
  display: none;
}
.accordion-item summary::before {
  content: "+";
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 8px;
  background: var(--soft);
  color: var(--green);
  font-weight: 900;
  grid-column: 1;
  grid-row: 1;
}
.accordion-item[open] summary::before {
  content: "-";
}
.accordion-item summary > div,
.accordion-item summary > strong {
  grid-column: 2;
}
.accordion-item summary > b {
  grid-column: 3;
  grid-row: 1;
  color: var(--green);
}
.accordion-item summary span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-top: 4px;
}
.accordion-item .history-row,
.accordion-item p {
  margin-left: 12px;
  margin-right: 12px;
}
.history-list header,
.history-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
}
.history-list header {
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
  margin-bottom: 4px;
}
.history-list header span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-top: 4px;
}
.history-list header b {
  color: var(--green);
  font-size: 20px;
}
.history-row {
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}
.history-row:last-child {
  border-bottom: 0;
}
.history-row .actions {
  grid-column: 1 / -1;
}
.balance-list {
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}
.accordion-grid {
  margin-top: 12px;
}
.balance-list article,
.debt-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}
.balance-list strong {
  display: block;
  color: var(--green);
  margin-bottom: 8px;
}
.balance-list p {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin: 0;
  padding: 7px 0;
  border-top: 1px solid var(--line);
}
.debt-box {
  display: grid;
  gap: 6px;
  align-self: end;
}
.debt-box span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}
.debt-box strong {
  color: var(--green);
  font-size: 20px;
}
.split > div {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}

.login-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,.18), transparent 18rem),
    linear-gradient(135deg, #111827, #4b5563);
}
.login-shell { width: min(420px, 92vw); }
.login-card {
  background: rgba(255,255,255,.96);
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 12px;
  padding: 24px;
  display: grid;
  gap: 14px;
  box-shadow: 0 26px 70px rgba(0,0,0,.24);
}
.login-card h1 { margin: 0; color: var(--green); }
.eyebrow, .hint { margin: 0; color: var(--muted); }

@media (min-width: 860px) {
  .menu-toggle { display: none; }
  .nav {
    display: flex;
    position: static;
    align-items: center;
    padding: 0;
    gap: 2px;
  }
  .nav a { padding: 9px 10px; font-size: 14px; }
  .form-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: end;
  }
  .filters {
    grid-template-columns: 200px 240px 120px;
    align-items: end;
    margin-bottom: 12px;
  }
  .wide-filters {
    grid-template-columns: 180px 1fr 1fr 120px;
  }
  .dashboard-filter {
    grid-template-columns: minmax(260px, 420px) 140px;
  }
  .payment-filters {
    grid-template-columns: 160px 1fr 180px 1fr 120px;
    align-items: end;
    margin-bottom: 12px;
  }
  .compact-form {
    grid-template-columns: 2fr 1fr auto auto;
  }
  .payment-form {
    grid-template-columns: 1.3fr 1.1fr 1fr 1fr 1fr .9fr auto;
  }
  .dashboard-hero {
    grid-template-columns: minmax(0, 1fr) 260px;
    padding: 28px;
  }
  .dashboard-grid {
    grid-template-columns: 1.25fr .75fr;
  }
  .span-2 {
    grid-column: span 2;
  }
}

@media (max-width: 520px) {
  .app {
    padding: 12px;
  }
  .panel {
    padding: 12px;
  }
  .panel-head {
    align-items: flex-start;
    flex-direction: column;
  }
  .actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
  }
  .actions .btn,
  .actions form,
  .actions button {
    width: 100%;
  }
  .payment-history article,
  .harvest-list article,
  .history-list header,
  .history-row {
    grid-template-columns: 1fr;
  }
}