/* ============================================================
   Colaboradores · Estética Nutrición Científica Barcelona
   ============================================================ */

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

:root {
  /* Marca NCB (extraído del sitio) */
  --brand:            #344A7C;   /* Azul marino profundo — heading + text */
  --brand-2:          #4c66a1;   /* Variante más clara para hover suave */
  --brand-soft:       #eef1f8;   /* Fondo muy suave del brand */
  --accent-blue:      #B3D6E2;   /* Azul cielo pastel */
  --accent-blue-soft: #e2eff4;
  --accent-green:     #CCE4C4;   /* Verde salvia pastel */
  --accent-green-soft:#eaf3e5;

  /* Botones — negros como NCB */
  --btn-bg:           #1A1A1A;
  --btn-bg-hover:     #444444;
  --btn-text:         #ffffff;

  /* Neutros */
  --white:            #ffffff;
  --page-bg:          #ffffff;   /* NCB usa blanco puro */
  --panel-bg:         #ffffff;
  --panel-alt:        #f7f8fa;
  --text:             #344A7C;   /* El heading = text en NCB */
  --text-2:           #6a758d;
  --muted:            #9aa3b8;
  --border:           #e4e4e4;
  --border-2:         #f0f2f7;
  --border-strong:    #d5d5d5;

  /* Semánticos */
  --green:            #2f8f5a;
  --green-soft:       #dcf5eb;
  --yellow:           #b7791f;
  --yellow-soft:      #fef3c7;
  --red:              #b91c1c;
  --red-soft:         #fee2e2;
}

body {
  font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--page-bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.55;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: 0.005em;
}

/* ============ TOPBAR (pill flotante · estilo web NCB) ============ */
.topbar {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 14px 26px 14px 22px;
  margin: 20px 32px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  position: sticky;
  top: 20px;
  z-index: 100;
  box-shadow: 0 8px 24px rgba(52, 74, 124, 0.06);
}
.brand { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.brand-logo {
  height: 40px;
  width: auto;
  display: block;
  flex-shrink: 0;
}
.brand-text { display: none; }
.brand h1 { display: none; }
.brand .sub { display: none; }
.topbar-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

/* ============ TABS ============ */
.tabs {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  align-items: center;
}
.tab {
  background: transparent;
  border: none;
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-2);
  cursor: pointer;
  border-radius: 100px;
  transition: color .15s, background .15s;
  white-space: nowrap;
  letter-spacing: 0.04em;
  font-family: inherit;
}
.tab:hover {
  color: var(--brand);
  background: var(--brand-soft);
}
.tab.active {
  color: var(--brand);
  background: var(--brand-soft);
  font-weight: 700;
}

/* ============ PAGE ============ */
.page {
  max-width: 1440px;
  margin: 0 auto;
  padding: 36px 40px 80px;
}
.section { display: none; }
.section.active { display: block; }

/* ============ FILTERS ============ */
.filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
  background: var(--white);
  padding: 22px 24px;
  border-radius: 4px;
  border: 1px solid var(--border);
}
.filter-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.filter-group label {
  font-size: 10px;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}
.filter-group input,
.filter-group select {
  padding: 10px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 3px;
  font-size: 13px;
  color: var(--text);
  background: var(--white);
  font-family: inherit;
  transition: border-color .15s;
}
.filter-group input:focus,
.filter-group select:focus {
  outline: none;
  border-color: var(--brand);
}

/* ============ DROP ZONE BUTTONS ============ */
.btn-dropzone {
  position: relative;
  transition: all .15s;
}
/* Estado sutil cuando hay un archivo siendo arrastrado en la ventana */
body.is-dragging .btn-dropzone {
  border-color: var(--brand);
  background: var(--brand-soft);
  color: var(--brand);
}
/* Estado fuerte cuando el archivo está encima de este botón */
.btn-dropzone.drag-over {
  border-color: var(--brand);
  border-style: dashed;
  background: var(--brand-soft);
  color: var(--brand);
  transform: scale(1.02);
  box-shadow: 0 0 0 4px rgba(52, 74, 124, 0.12);
}
.btn-dropzone.drag-over::after {
  content: 'Suelta el archivo';
  position: absolute;
  top: -28px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--brand);
  color: white;
  padding: 5px 10px;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  white-space: nowrap;
  pointer-events: none;
}

/* ============ DROPZONE (visible drag area) ============ */
.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 26px 22px;
  margin-bottom: 24px;
  border: 2px dashed var(--border-strong);
  border-radius: 4px;
  background: var(--panel-alt);
  cursor: pointer;
  transition: all .18s ease;
  text-align: center;
}
.dropzone:hover {
  border-color: var(--brand);
  background: var(--brand-soft);
}
.dropzone-icon {
  font-size: 26px;
  line-height: 1;
  opacity: 0.85;
}
.dropzone-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--brand);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 4px;
}
.dropzone-hint {
  font-size: 11px;
  color: var(--text-2);
  font-weight: 500;
  letter-spacing: 0.03em;
}
.dropzone-link {
  color: var(--brand);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}
body.is-dragging .dropzone {
  border-color: var(--brand);
  background: var(--brand-soft);
}
.dropzone.drag-over {
  border-color: var(--brand);
  border-style: solid;
  background: var(--accent-blue-soft);
  transform: scale(1.005);
  box-shadow: 0 0 0 4px rgba(52, 74, 124, 0.12);
}
.dropzone.drag-over .dropzone-title::after {
  content: ' — suéltalo';
}

/* ============ SECTION ACTIONS BAR ============ */
.section-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.section-actions-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.section-actions-buttons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}
.section-actions-sep {
  color: var(--muted);
  font-size: 12px;
  user-select: none;
}
.btn-link {
  background: none;
  border: none;
  padding: 0;
  color: var(--text-2);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  font-family: inherit;
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: var(--border-strong);
  transition: color .15s, text-decoration-color .15s;
}
.btn-link:hover {
  color: var(--brand);
  text-decoration-color: var(--brand);
}
.btn-link.btn-link-danger:hover {
  color: var(--red);
  text-decoration-color: var(--red);
}

/* ============ KPIs ============ */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}
.kpi-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 22px 24px;
  position: relative;
}
.kpi-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 32px; height: 2px;
  background: var(--brand);
}
.kpi-label {
  font-size: 10px;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  margin-bottom: 10px;
}
.kpi-value {
  font-size: 26px;
  font-weight: 700;
  color: var(--brand);
  letter-spacing: -0.01em;
  line-height: 1.1;
}
.kpi-meta {
  font-size: 11px;
  color: var(--text-2);
  margin-top: 6px;
  font-weight: 500;
}

/* ============ CARD ============ */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 26px 28px;
  margin-bottom: 24px;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  gap: 8px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-2);
}
.card-header h2 {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--brand);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ============ TABLE ============ */
.table-scroll {
  overflow-x: auto;
  margin: -26px -28px -26px;
  padding: 0 28px 26px;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  min-width: 800px;
}
th {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--white);
  color: var(--text-2);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  position: sticky;
  top: 0;
}
th.right, td.right { text-align: right; }
td {
  padding: 16px 14px;
  border-bottom: 1px solid var(--border-2);
  color: var(--text);
  vertical-align: middle;
  font-weight: 500;
}
tbody tr { transition: background-color .12s; }
tbody tr:hover { background: var(--brand-soft); }
tbody tr.inactive { opacity: 0.5; }
.name-cell strong {
  display: block;
  color: var(--brand);
  font-weight: 700;
  font-size: 13.5px;
  letter-spacing: 0.01em;
}
.name-cell .meta {
  font-size: 11px;
  color: var(--text-2);
  margin-top: 3px;
  font-weight: 500;
}
.name-cell .notes-meta {
  font-size: 11px;
  color: var(--text-2);
  margin-top: 4px;
  font-weight: 600;
  font-style: italic;
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  background: var(--accent-blue-soft);
  padding: 2px 8px;
  border-radius: 2px;
  display: inline-block;
}
.chip {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 2px;
  font-size: 10px;
  font-weight: 700;
  background: var(--panel-alt);
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.chip-primary {
  background: var(--brand);
  color: var(--white);
}
.chip-green {
  background: var(--accent-green);
  color: var(--brand);
}
.chip-yellow {
  background: var(--yellow-soft);
  color: var(--yellow);
}
.chip-red {
  background: var(--red-soft);
  color: var(--red);
}
.chip-parent {
  background: var(--accent-blue-soft);
  color: var(--brand);
  font-weight: 700;
}
.chip-group {
  background: var(--brand);
  color: white;
  font-size: 9px;
  padding: 3px 8px;
  letter-spacing: 0.08em;
  margin-left: 8px;
  vertical-align: middle;
  font-weight: 700;
}
tbody tr.parent-group {
  background: var(--brand-soft);
}
tbody tr.parent-group:hover {
  background: var(--accent-blue-soft);
}
tbody tr.parent-group td strong {
  color: var(--brand);
}
.chev {
  background: transparent;
  border: none;
  color: var(--brand);
  cursor: pointer;
  font-size: 11px;
  padding: 2px 6px;
  margin-right: 4px;
  border-radius: 3px;
  font-weight: 700;
  vertical-align: middle;
  transition: background .15s;
}
.chev:hover {
  background: var(--brand-soft);
}
.chip-paid {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--green-soft);
  color: var(--green);
  padding: 4px 10px;
  border-radius: 2px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-top: 4px;
  white-space: nowrap;
}
tbody tr.paid {
  background: rgba(220, 245, 235, 0.35);
}
tbody tr.paid:hover {
  background: rgba(220, 245, 235, 0.55);
}
.icon-btn.pay {
  background: var(--green);
  color: white;
  border-color: var(--green);
}
.icon-btn.pay:hover {
  background: #257045;
  border-color: #257045;
  color: white;
}
.actions-cell {
  display: flex;
  gap: 5px;
  align-items: center;
  flex-wrap: nowrap;
  white-space: nowrap;
}
.icon-btn {
  background: var(--white);
  border: 1px solid var(--border-strong);
  border-radius: 3px;
  padding: 6px 10px;
  cursor: pointer;
  color: var(--text-2);
  font-size: 11px;
  font-weight: 600;
  transition: all .15s;
  letter-spacing: 0.02em;
  font-family: inherit;
}
.icon-btn:hover {
  color: var(--brand);
  border-color: var(--brand);
  background: var(--brand-soft);
}
.icon-btn.danger:hover {
  color: var(--red);
  border-color: var(--red);
  background: var(--red-soft);
}
.icon-btn.email {
  background: var(--btn-bg);
  color: var(--btn-text);
  border-color: var(--btn-bg);
}
.icon-btn.email:hover {
  background: var(--btn-bg-hover);
  border-color: var(--btn-bg-hover);
  color: var(--btn-text);
}
.empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--muted);
  font-style: italic;
  font-weight: 500;
}
.right { text-align: right; }
.muted { color: var(--text-2); }
.small { font-size: 12px; }

/* ============ BUTTONS ============ */
.btn {
  padding: 11px 20px;
  border-radius: 3px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid transparent;
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all .15s;
  white-space: nowrap;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.btn-primary {
  background: var(--btn-bg);
  color: var(--btn-text);
  border-color: var(--btn-bg);
}
.btn-primary:hover {
  background: var(--btn-bg-hover);
  border-color: var(--btn-bg-hover);
}
.btn-ghost {
  background: var(--white);
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-ghost:hover {
  color: var(--brand);
  border-color: var(--brand);
}
.btn-danger {
  background: var(--red);
  color: var(--white);
  border-color: var(--red);
}
.btn-danger:hover {
  background: #991b1b;
  border-color: #991b1b;
}

/* ============ FORM ============ */
.form-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 18px;
}
.form-row label {
  font-size: 10px;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}
.form-row input,
.form-row select,
.form-row textarea {
  padding: 11px 13px;
  border: 1px solid var(--border-strong);
  border-radius: 3px;
  font-size: 13px;
  font-family: inherit;
  color: var(--text);
  background: var(--white);
  resize: vertical;
  transition: border-color .15s;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--brand);
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.form-row.full { grid-column: 1 / -1; }
.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.hint {
  font-size: 11px;
  color: var(--text-2);
  margin-top: 5px;
  font-weight: 500;
  font-style: italic;
}

/* ============ MODAL ============ */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(52, 74, 124, 0.55);
  backdrop-filter: blur(4px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--white);
  border-radius: 4px;
  padding: 32px 34px;
  width: 640px;
  max-width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 30px 80px rgba(52, 74, 124, 0.18);
  border-top: 3px solid var(--brand);
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-2);
}
.modal-header h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--brand);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.modal-close {
  background: transparent;
  border: none;
  font-size: 24px;
  color: var(--text-2);
  cursor: pointer;
  width: 30px;
  height: 30px;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  transition: all .15s;
}
.modal-close:hover {
  background: var(--brand-soft);
  color: var(--brand);
}
.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--border-2);
  flex-wrap: wrap;
}

/* ============ TOAST ============ */
.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(60px);
  background: var(--brand);
  color: var(--white);
  padding: 14px 24px;
  border-radius: 3px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  box-shadow: 0 20px 40px rgba(52, 74, 124, 0.25);
  opacity: 0;
  transition: transform .25s, opacity .25s;
  z-index: 2000;
  pointer-events: none;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

code {
  background: var(--brand-soft);
  padding: 3px 7px;
  border-radius: 2px;
  font-size: 11px;
  font-family: 'Menlo', 'Monaco', monospace;
  color: var(--brand);
  font-weight: 600;
}

/* Radios / checkboxes tint */
input[type="radio"], input[type="checkbox"] {
  accent-color: var(--brand);
}

/* Scrollbars sutiles */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
  .topbar { padding: 12px 16px; margin: 14px 16px 18px; border-radius: 28px; flex-wrap: wrap; }
  .tabs { order: 3; width: 100%; justify-content: center; }
  .tabs { padding: 0 20px; gap: 20px; }
  .page { padding: 24px 20px 60px; }
  .filters { grid-template-columns: 1fr 1fr; padding: 18px; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .form-grid, .settings-grid { grid-template-columns: 1fr; }
  .modal { padding: 24px 20px; }
}
@media (max-width: 500px) {
  .filters { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: 1fr; }
  .brand h1 { font-size: 15px; }
}