:root {
  --em-deep: #0C7A52;
  --em-base: #12B886;
  --em-bright: #2DD69A;
  --em-soft: #e4f7f0;

  --ink-900: #0b100e;
  --ink-800: #171d1a;
  --steel-500: #67736d;
  --steel-200: #aab4ae;

  --paper: #f2f5f3;
  --paper-white: #ffffff;
  --line: #e6e9e7;

  --danger: #c0392b;
  --danger-soft: #fbeae7;

  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(11, 16, 14, 0.06), 0 1px 1px rgba(11, 16, 14, 0.04);
  --shadow-md: 0 8px 24px rgba(11, 16, 14, 0.08), 0 2px 6px rgba(11, 16, 14, 0.05);
  --shadow-lg: 0 20px 60px rgba(11, 16, 14, 0.35);
  --ease: 150ms ease;

  --container: 1080px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Archivo', system-ui, sans-serif;
  color: var(--ink-900);
  background: var(--paper);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--em-deep); transition: color var(--ease); }

.icon { width: 17px; height: 17px; flex-shrink: 0; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 28px 20px 64px;
}

h1 { font-size: 1.6rem; font-weight: 800; letter-spacing: -0.01em; margin: 0 0 20px; }
h2 { font-size: 1.02rem; font-weight: 700; }

.muted { color: var(--steel-500); }

/* Topbar */
.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 24px;
  background: var(--ink-900);
  color: var(--paper-white);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar__brand { color: var(--paper-white); font-weight: 800; text-decoration: none; letter-spacing: -0.01em; }
.topbar__brand span { color: var(--em-bright); font-weight: 500; }
.topbar__nav { display: flex; gap: 6px; flex: 1; }
.topbar__nav a {
  display: inline-flex; align-items: center; gap: 7px;
  color: var(--steel-200); text-decoration: none; font-weight: 600; font-size: 0.92rem;
  padding: 7px 12px; border-radius: var(--radius-sm); transition: color var(--ease), background var(--ease);
}
.topbar__nav a .icon { opacity: 0.85; }
.topbar__nav a.is-active { color: var(--em-bright); background: rgba(45, 214, 154, 0.12); }
.topbar__nav a:hover { color: var(--em-bright); background: rgba(255, 255, 255, 0.06); }
.topbar__modulo {
  color: var(--em-bright); font-weight: 700; font-size: 0.85rem;
  background: rgba(45, 214, 154, 0.12); padding: 5px 12px; border-radius: 999px;
}
.topbar__logout { margin: 0; }
.topbar__logout button {
  display: inline-flex; align-items: center; gap: 6px;
  background: none; border: 1px solid var(--steel-500); color: var(--paper-white);
  padding: 7px 14px; border-radius: var(--radius-sm); cursor: pointer; font: inherit; font-weight: 600;
  transition: border-color var(--ease), color var(--ease);
}
.topbar__logout button:hover { border-color: var(--em-bright); color: var(--em-bright); }

/* Login */
.login-page {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; background: radial-gradient(circle at 30% 20%, #16201c 0%, var(--ink-900) 60%);
}
.login-card {
  background: var(--paper-white); padding: 40px; border-radius: 16px;
  width: min(340px, calc(100vw - 40px)); box-shadow: var(--shadow-lg);
}
.login-card h1 { margin: 0 0 4px; font-size: 1.4rem; }
.error {
  color: var(--danger); font-weight: 600; background: var(--danger-soft);
  padding: 10px 14px; border-radius: var(--radius-sm); font-size: 0.9rem;
}

.stack { display: flex; flex-direction: column; gap: 14px; margin-top: 18px; }
label { display: flex; flex-direction: column; gap: 5px; font-weight: 600; font-size: 0.82rem; color: var(--steel-500); }
input, select {
  font: inherit; padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: var(--paper-white); color: var(--ink-900); transition: border-color var(--ease), box-shadow var(--ease);
}
input:focus, select:focus {
  outline: none; border-color: var(--em-base); box-shadow: 0 0 0 3px var(--em-soft);
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--em-base); color: var(--paper-white);
  border: none; padding: 11px 20px; border-radius: var(--radius-sm); font: inherit; font-weight: 700;
  cursor: pointer; text-decoration: none; text-align: center;
  box-shadow: var(--shadow-sm); transition: background var(--ease), transform var(--ease), box-shadow var(--ease);
}
.btn:hover { background: var(--em-deep); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn:active { transform: translateY(0); }
.btn--secondary { background: var(--paper-white); color: var(--em-deep); border: 1px solid var(--em-base); box-shadow: none; }
.btn--secondary:hover { background: var(--em-soft); }

.btn-link {
  background: none; border: none; color: var(--em-deep); cursor: pointer;
  font: inherit; font-weight: 600; padding: 0; text-decoration: underline; transition: color var(--ease);
}
.btn-link:hover { color: var(--ink-900); }

/* Dashboard */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; margin-top: 24px; }
.module-card {
  display: block; background: var(--paper-white); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px; text-decoration: none; color: var(--ink-900);
  box-shadow: var(--shadow-sm); transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
}
.module-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--em-base); }
.module-card__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; border-radius: 10px; background: var(--em-soft); color: var(--em-deep);
  margin-bottom: 14px;
}
.module-card__icon .icon { width: 22px; height: 22px; }
.module-card h2 { margin: 0 0 6px; color: var(--ink-900); }

/* Tabs / month nav */
.tabs { display: flex; gap: 4px; margin: 20px 0 14px; border-bottom: 1px solid var(--line); }
.tabs a {
  padding: 9px 18px; border-radius: var(--radius-sm) var(--radius-sm) 0 0; text-decoration: none;
  color: var(--steel-500); font-weight: 700; font-size: 0.92rem;
  border-bottom: 2px solid transparent; margin-bottom: -1px; transition: color var(--ease), border-color var(--ease);
}
.tabs a.is-active { color: var(--em-deep); border-bottom-color: var(--em-base); }
.tabs a:hover { color: var(--em-deep); }

.month-nav { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; font-weight: 700; }
.month-nav a {
  text-decoration: none; padding: 5px 12px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  color: var(--ink-900); transition: border-color var(--ease), background var(--ease);
}
.month-nav a:hover { border-color: var(--em-base); background: var(--em-soft); }

/* Stat cards */
.cards-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 26px; }
.stat-card {
  background: var(--paper-white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px; display: flex; flex-direction: column; gap: 5px;
  box-shadow: var(--shadow-sm); border-top: 3px solid var(--line);
}
.stat-card__label { font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--steel-500); font-weight: 700; }
.stat-card__value { font-size: 1.4rem; font-weight: 800; }
.stat-card__value--pos { color: var(--em-deep); }
.stat-card__value--neg { color: var(--danger); }

/* Panels + forms */
.panel {
  background: var(--paper-white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; margin-bottom: 24px; box-shadow: var(--shadow-sm);
}
.panel h2 { margin-top: 0; margin-bottom: 16px; }

.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; align-items: end; }
.form-grid__wide { grid-column: 1 / -1; }

.presets { display: flex; gap: 8px; margin-bottom: 18px; flex-wrap: wrap; }
.chip {
  background: var(--paper); border: 1px solid var(--line); border-radius: 999px;
  padding: 7px 15px; text-decoration: none; color: var(--ink-900); font-size: 0.85rem; font-weight: 600;
  transition: border-color var(--ease), color var(--ease), background var(--ease);
}
.chip:hover { border-color: var(--em-base); color: var(--em-deep); background: var(--em-soft); }

/* Tables */
.table-scroll { overflow-x: auto; border-radius: var(--radius-sm); }
.data-table { width: 100%; min-width: 560px; border-collapse: collapse; }
.data-table th, .data-table td { text-align: left; padding: 11px 10px; border-bottom: 1px solid var(--line); font-size: 0.92rem; white-space: nowrap; }
.data-table th { color: var(--steel-500); font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.03em; font-weight: 700; }
.data-table tbody tr { transition: background var(--ease); }
.data-table tbody tr:hover { background: var(--paper); }
.data-table input { width: 100%; padding: 7px 9px; }

/* Mobile */
@media (max-width: 640px) {
  .container { padding: 20px 14px 48px; }
  .topbar { flex-wrap: wrap; row-gap: 10px; padding: 12px 16px; }
  .topbar__nav { order: 3; flex: 1 1 100%; gap: 4px; }
  .login-card { padding: 28px 22px; }
  .cards-row { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
}