:root {
  --color-mahogany: #4a2c2a;
  --color-mahogany-dark: #2f1a18;
  --color-mahogany-light: #6e423e;
  --color-gold: #c9a961;
  --color-gold-soft: #e6d4a3;
  --color-cream: #faf7f2;
  --color-cream-dark: #f0ead8;
  --color-text: #2a1810;
  --color-muted: #8a7e72;
  --color-border: #e3dccb;
  --color-success: #5d8059;
  --color-error: #b04438;
  --color-bg: #f5efe3;
  --shadow-sm: 0 1px 2px rgba(74, 44, 42, 0.08);
  --shadow-md: 0 4px 12px rgba(74, 44, 42, 0.10);
  --radius: 8px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 14px;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}

a { color: var(--color-mahogany); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; margin: 0 0 4px; color: var(--color-mahogany-dark); }
h2 { font-size: 16px; margin: 0 0 12px; color: var(--color-mahogany-dark); }
.muted { color: var(--color-muted); }
.small { font-size: 12px; }
.pos { color: var(--color-success); font-weight: 600; }

/* ===== Topbar ===== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  background: var(--color-mahogany);
  color: var(--color-cream);
  padding: 0 24px;
  height: 56px;
  box-shadow: var(--shadow-md);
}
.brand { display: flex; align-items: center; gap: 10px; margin-right: 32px; }
.brand-mark {
  width: 32px; height: 32px; border-radius: 6px;
  background: var(--color-gold);
  color: var(--color-mahogany-dark);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 18px;
  flex-shrink: 0;
}
.brand-mark.big { width: 56px; height: 56px; font-size: 32px; border-radius: 12px; }
.brand-name { font-weight: 600; letter-spacing: 0.5px; }

.nav-drawer {
  display: flex;
  align-items: center;
  flex: 1;
}
.nav-links { list-style: none; display: flex; gap: 4px; margin: 0; padding: 0; flex: 1; }
.nav-links a {
  display: block; padding: 8px 14px; border-radius: 6px;
  color: var(--color-cream); transition: background 0.15s;
}
.nav-links a:hover { background: var(--color-mahogany-light); text-decoration: none; }
.nav-user { display: flex; align-items: center; gap: 12px; }
.user-label { color: var(--color-gold-soft); font-size: 13px; }

/* hamburger button (mobile only) */
.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  margin-left: auto;
  border: none;
  background: transparent;
  padding: 0;
  cursor: pointer;
  position: relative;
}
.nav-toggle span {
  display: block;
  position: absolute;
  left: 8px; right: 8px;
  height: 2px;
  background: var(--color-cream);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s, top 0.2s;
}
.nav-toggle span:nth-child(1) { top: 13px; }
.nav-toggle span:nth-child(2) { top: 19px; }
.nav-toggle span:nth-child(3) { top: 25px; }
.nav-toggle.is-open span:nth-child(1) { top: 19px; transform: rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { top: 19px; transform: rotate(-45deg); }

/* ===== PWA install banner ===== */
.pwa-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: linear-gradient(90deg, var(--color-cream-dark) 0%, var(--color-gold-soft) 100%);
  border-bottom: 1px solid var(--color-gold);
  color: var(--color-mahogany-dark);
  font-size: 13px;
  position: sticky;
  top: 56px;
  z-index: 40;
}
.pwa-banner[hidden] { display: none; }
.pwa-banner .pwa-icon { font-size: 18px; flex-shrink: 0; }
.pwa-banner .pwa-text { flex: 1; line-height: 1.3; }
.pwa-banner .pwa-text strong { color: var(--color-mahogany); }
.pwa-banner .btn { flex-shrink: 0; }
.pwa-banner .pwa-close {
  width: 28px; height: 28px;
  border: none; background: transparent;
  font-size: 22px; line-height: 1;
  color: var(--color-mahogany-dark);
  cursor: pointer; padding: 0;
  flex-shrink: 0;
  border-radius: 4px;
}
.pwa-banner .pwa-close:hover { background: rgba(74, 44, 42, 0.08); }
@media (max-width: 768px) {
  .pwa-banner { top: auto; padding: 10px 12px; font-size: 12.5px; gap: 8px; }
}

/* ===== Container ===== */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.period-form { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* ===== Cards ===== */
.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 16px;
}

/* ===== KPI grid ===== */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.kpi-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: var(--shadow-sm);
}
.kpi-card.highlight {
  background: linear-gradient(135deg, var(--color-mahogany) 0%, var(--color-mahogany-light) 100%);
  color: var(--color-cream);
  border-color: var(--color-mahogany);
}
.kpi-card.highlight .kpi-label,
.kpi-card.highlight .kpi-sub { color: var(--color-gold-soft); }
.kpi-label { font-size: 12px; color: var(--color-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.kpi-value { font-size: 24px; font-weight: 700; margin: 4px 0; color: var(--color-mahogany-dark); }
.kpi-card.highlight .kpi-value { color: #fff; }
.kpi-sub { font-size: 12px; color: var(--color-muted); }
.progress {
  margin-top: 8px; height: 6px;
  background: var(--color-cream-dark); border-radius: 3px; overflow: hidden;
}
.progress-bar {
  height: 100%; background: var(--color-gold);
  transition: width 0.3s ease;
}

/* ===== Two-column layout ===== */
.row-2 {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
}
.side-stack { display: flex; flex-direction: column; }

/* ===== Inline editable cells (vendor "realizado") ===== */
.realized-table input.inp-realized {
  width: 100%;
  padding: 6px 8px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: 13px;
  text-align: right;
  background: #fff;
  color: var(--color-text);
}
.realized-table input.inp-realized:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 2px var(--color-gold-soft);
}
.realized-table tr.saving { background: #fffbe6; }
.realized-table tr.saved { background: #e9f5e7; transition: background 0.6s; }
.realized-table tr.save-error { background: #fde8e6; }

/* ===== Vendor list section titles ===== */
.vendor-section-title {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-mahogany);
  margin: 16px 0 8px;
  padding-bottom: 4px;
  border-bottom: 2px solid var(--color-gold);
}
.data-table tr.row-total {
  background: var(--color-cream-dark);
}
.data-table tr.row-total td {
  border-top: 2px solid var(--color-mahogany);
  font-weight: 700;
}

/* ===== Period header (vendor list) ===== */
.period-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}
.period-header h2 { margin: 0; }
.period-meta { font-size: 13px; }
.period-meta strong { color: var(--color-mahogany-dark); }

/* ===== Tables (default desktop) ===== */
.data-table {
  width: 100%;
  border-collapse: collapse;
}
.data-table th, .data-table td {
  padding: 8px 10px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}
.data-table th {
  background: var(--color-cream-dark);
  color: var(--color-mahogany-dark);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.data-table tfoot th {
  background: var(--color-mahogany);
  color: var(--color-gold-soft);
  border-bottom: none;
}
.data-table.mini th, .data-table.mini td {
  padding: 6px 8px;
  font-size: 13px;
}
.actions { white-space: nowrap; }
.actions .btn-sm { margin-right: 4px; }

/* ===== Sales table (desktop) ===== */
.sales-table input {
  width: 100%;
  padding: 6px 8px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: 13px;
  text-align: right;
  background: #fff;
}
.sales-table input:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 2px var(--color-gold-soft);
}
.sales-table tr.saving { background: #fffbe6; }
.sales-table tr.saved { background: #e9f5e7; transition: background 0.6s; }
.sales-table tr.save-error { background: #fde8e6; }
.cell-total { font-weight: 600; text-align: right; color: var(--color-mahogany-dark); }
.sales-table td:nth-child(n+2) { text-align: right; }
.sales-table th:nth-child(n+2) { text-align: right; }

/* ===== Forms ===== */
form label {
  display: block;
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--color-mahogany-dark);
  font-weight: 500;
}
form input[type=text],
form input[type=password],
form input[type=number],
form select {
  display: block;
  width: 100%;
  padding: 10px 12px;
  margin-top: 4px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 16px; /* >=16px prevents iOS zoom */
  background: #fff;
  font-weight: 400;
  color: var(--color-text);
  -webkit-appearance: none;
  appearance: none;
}
form input:focus, form select:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(201, 169, 97, 0.2);
}
.checkbox { display: flex; align-items: center; gap: 8px; margin: 12px 0; font-weight: 500; }
.checkbox input { width: auto; margin: 0; }
.form-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; flex-wrap: wrap; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 10px 16px;
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-mahogany-dark);
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.15s;
  min-height: 40px;
  line-height: 1.2;
  -webkit-tap-highlight-color: transparent;
}
.btn:hover { background: var(--color-cream-dark); text-decoration: none; }
.btn-primary {
  background: var(--color-mahogany);
  border-color: var(--color-mahogany);
  color: var(--color-cream);
}
.btn-primary:hover { background: var(--color-mahogany-dark); }
.btn-ghost {
  background: transparent;
  border-color: var(--color-gold-soft);
  color: var(--color-cream);
}
.btn-ghost:hover { background: var(--color-mahogany-light); }
.btn-danger {
  background: #fff;
  border-color: var(--color-error);
  color: var(--color-error);
}
.btn-danger:hover { background: var(--color-error); color: #fff; }
.btn-sm { padding: 6px 12px; font-size: 13px; min-height: 32px; }
.btn-block { width: 100%; }

/* ===== Alerts ===== */
.alert { padding: 10px 14px; border-radius: 6px; margin-bottom: 12px; font-size: 13px; }
.alert-error { background: #fde8e6; color: var(--color-error); border: 1px solid #f5b8b1; }
.alert-success { background: #e9f5e7; color: var(--color-success); border: 1px solid #b9d9b3; }

/* ===== Login ===== */
.login-card {
  max-width: 380px;
  margin: 80px auto;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 32px;
  box-shadow: var(--shadow-md);
}
.login-brand { text-align: center; margin-bottom: 24px; }
.login-brand .brand-mark { margin: 0 auto; }
.login-brand h1 { margin: 12px 0 4px; }


/* ============================================
   TABLET (≤ 1024px)
   ============================================ */
@media (max-width: 1024px) {
  .row-2 { grid-template-columns: 1fr; }
}


/* ============================================
   MOBILE (≤ 768px)
   ============================================ */
@media (max-width: 768px) {
  body { font-size: 14px; }
  h1 { font-size: 20px; }
  h2 { font-size: 15px; }

  .container { padding: 12px; }

  /* --- Topbar with hamburger drawer --- */
  .topbar {
    padding: 0 12px;
    flex-wrap: wrap;
    height: auto;
    min-height: 52px;
  }
  .brand { margin-right: 0; flex: 1; }
  .brand-mark { width: 28px; height: 28px; font-size: 16px; }
  .brand-name { font-size: 15px; }

  .nav-toggle { display: block; }

  .nav-drawer {
    display: none;
    flex-basis: 100%;
    flex-direction: column;
    align-items: stretch;
    padding: 8px 0 12px;
    border-top: 1px solid var(--color-mahogany-light);
    margin-top: 8px;
  }
  .nav-drawer.open { display: flex; }
  .nav-links {
    flex-direction: column;
    gap: 2px;
    margin-bottom: 8px;
    flex: none;
  }
  .nav-links a {
    padding: 12px 14px;
    font-size: 15px;
  }
  .nav-user {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 8px 0 0;
    border-top: 1px solid var(--color-mahogany-light);
  }
  .nav-user .btn { width: 100%; }
  .user-label { padding: 4px 14px; }

  /* --- Page header --- */
  .page-header {
    align-items: stretch;
    gap: 12px;
  }
  .page-header h1 { font-size: 20px; }
  .period-form {
    width: 100%;
  }
  .period-form select,
  .period-form input { flex: 1; min-width: 0; }
  .page-header > a.btn,
  .page-header > .btn { width: 100%; text-align: center; }

  /* --- Cards --- */
  .card { padding: 14px; }

  /* --- KPI grid: 2 columns on mobile --- */
  .kpi-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }
  .kpi-card { padding: 12px 14px; }
  .kpi-value { font-size: 18px; }
  .kpi-label { font-size: 10px; }
  .kpi-sub { font-size: 11px; }

  /* --- Forms grid stacks --- */
  .grid-2 { grid-template-columns: 1fr; }
  .form-actions .btn,
  .form-actions a.btn { flex: 1; text-align: center; }

  /* --- Sales table → card mode (each day = card) --- */
  .sales-table { display: block; }
  .sales-table thead { display: none; }
  .sales-table tbody { display: block; }
  .sales-table tbody tr {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px 10px;
    padding: 12px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    margin-bottom: 8px;
    background: #fff;
  }
  .sales-table tbody td {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 0;
    border: none;
    text-align: left;
    font-size: 13px;
  }
  .sales-table tbody td::before {
    content: attr(data-label);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    color: var(--color-muted);
    font-weight: 600;
  }
  .sales-table tbody td.cell-date {
    grid-column: 1 / -1;
    font-weight: 700;
    font-size: 15px;
    color: var(--color-mahogany-dark);
    padding-bottom: 4px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 4px;
  }
  .sales-table tbody td.cell-date::before {
    display: none;
  }
  .sales-table tbody td.cell-total {
    grid-column: 1 / -1;
    text-align: right;
    border-top: 1px dashed var(--color-border);
    padding-top: 6px;
    margin-top: 4px;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
  .sales-table tbody td.cell-total::before {
    color: var(--color-mahogany-dark);
  }
  .sales-table input {
    text-align: left;
    font-size: 16px; /* prevent iOS zoom */
    padding: 10px 12px;
    min-height: 42px;
  }
  .sales-table tfoot {
    display: block;
    margin-top: 12px;
  }
  .sales-table tfoot tr {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px 10px;
    padding: 14px;
    background: var(--color-mahogany);
    border-radius: 8px;
  }
  .sales-table tfoot th {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 0;
    text-align: left;
    border: none;
    background: transparent;
    color: var(--color-cream);
    text-transform: none;
    letter-spacing: 0;
    font-size: 14px;
    font-weight: 700;
  }
  .sales-table tfoot th::before {
    content: attr(data-label);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    color: var(--color-gold-soft);
    font-weight: 600;
  }
  .sales-table tfoot th:first-child {
    grid-column: 1 / -1;
    font-size: 12px;
    color: var(--color-gold-soft);
    text-transform: uppercase;
    letter-spacing: 0.6px;
    border-bottom: 1px solid var(--color-mahogany-light);
    padding-bottom: 6px;
    margin-bottom: 4px;
  }
  .sales-table tfoot th:first-child::before { display: none; }

  /* --- Listing tables (users / vendors) → card mode --- */
  .data-table:not(.mini):not(.sales-table) thead { display: none; }
  .data-table:not(.mini):not(.sales-table),
  .data-table:not(.mini):not(.sales-table) tbody { display: block; }
  .data-table:not(.mini):not(.sales-table) tbody tr {
    display: block;
    padding: 12px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    margin-bottom: 8px;
    background: #fff;
  }
  .data-table:not(.mini):not(.sales-table) tbody td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 6px 0;
    border: none;
    border-bottom: 1px solid var(--color-cream-dark);
    text-align: right;
  }
  .data-table:not(.mini):not(.sales-table) tbody td:last-child { border-bottom: none; }
  .data-table:not(.mini):not(.sales-table) tbody td::before {
    content: attr(data-label);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    color: var(--color-muted);
    font-weight: 600;
    flex-shrink: 0;
  }
  .data-table:not(.mini):not(.sales-table) tbody td.actions {
    flex-wrap: wrap;
    justify-content: flex-end;
    padding-top: 10px;
  }
  .data-table:not(.mini):not(.sales-table) tbody td.actions .btn {
    flex: 1;
    text-align: center;
    min-width: 80px;
  }

  /* --- Realized inputs in card mode --- */
  .realized-table tbody td input.inp-realized {
    max-width: 55%;
    font-size: 16px;
    min-height: 38px;
    text-align: right;
  }

  /* --- Mini tables: keep table layout but allow horizontal scroll --- */
  .data-table.mini {
    font-size: 12px;
  }
  .data-table.mini th,
  .data-table.mini td {
    padding: 6px 6px;
  }

  /* --- Login centered & padded --- */
  .login-card {
    margin: 24px 8px;
    padding: 24px 20px;
  }
}


/* ============================================
   SMALL MOBILE (≤ 380px)
   ============================================ */
@media (max-width: 380px) {
  .container { padding: 8px; }
  .kpi-grid { grid-template-columns: 1fr; }
  .sales-table tbody tr { grid-template-columns: 1fr; }
  .sales-table tfoot tr { grid-template-columns: 1fr; }
  .brand-name { display: none; }
}