@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:opsz,wght@8..60,600;8..60,700&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
  --paper:#F5F4EE; --paper-alt:#EFEEE6; --ink:#1E2A22; --ink-soft:#5C6B60;
  --accent:#2F5D50; --accent-soft:#DCE6DA; --accent-dark:#1D3B34;
  --line:#D6D0BF; --line-strong:#A9A48F; --amber:#AD7A2A; --amber-soft:#F1E3CB;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: 'IBM Plex Sans', sans-serif; }
.pf-serif { font-family: 'Source Serif 4', serif; }
.pf-mono { font-family: 'IBM Plex Mono', monospace; font-variant-numeric: tabular-nums; }

.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.gap-1 { gap: 4px; } .gap-2 { gap: 8px; } .gap-3 { gap: 12px; }
.mt-1 { margin-top: 4px; } .mt-3 { margin-top: 12px; } .mt-4 { margin-top: 16px; }
.hidden { display: none !important; }

/* Header */
.pf-header { padding: 24px 24px 16px; border-bottom: 1px solid var(--line); }
.pf-title { font-size: 24px; font-weight: 700; margin: 0; }
.pf-subtitle { font-size: 12px; color: var(--ink-soft); margin: 2px 0 0; }
.pf-user { font-size: 12px; color: var(--ink-soft); }
.pf-count { font-size: 12px; color: var(--ink-soft); margin-left: auto; }

/* Botones */
.pf-btn-ghost, .pf-btn-outline, .pf-btn-solid {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 500; padding: 7px 12px; border-radius: 6px;
  cursor: pointer; white-space: nowrap; border: 1px solid transparent;
  transition: background-color 120ms ease; text-decoration: none;
  font-family: inherit;
}
.pf-btn-ghost { background: transparent; color: var(--ink-soft); }
.pf-btn-ghost:hover { background: var(--paper-alt); color: var(--ink); }
.pf-btn-outline { background: transparent; border-color: var(--accent); color: var(--accent-dark); }
.pf-btn-outline:hover { background: var(--accent-soft); }
.pf-btn-solid { background: var(--accent); border-color: var(--accent); color: #fff; }
.pf-btn-solid:hover { background: var(--accent-dark); }
.pf-btn-solid:disabled { opacity: .45; cursor: not-allowed; }
.pf-btn-ghost:focus-visible, .pf-btn-outline:focus-visible, .pf-btn-solid:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}
.pf-icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 24px; height: 24px; border-radius: 5px; color: var(--ink-soft);
  background: transparent; cursor: pointer; border: none; flex-shrink: 0; font-size: 14px;
}
.pf-icon-btn:hover { background: var(--amber-soft); color: var(--amber); }

/* Buscador */
.pf-search { background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 6px 10px; min-width: 220px; }
.pf-search input { border: none; outline: none; background: transparent; font-size: 13px; width: 100%; color: var(--ink); font-family: inherit; }

/* Menús desplegables (details/summary) */
.pf-details { position: relative; }
.pf-details summary { list-style: none; }
.pf-details summary::-webkit-details-marker { display: none; }
.pf-menu {
  position: absolute; top: calc(100% + 6px); left: 0; z-index: 20;
  background: #fff; border: 1px solid var(--line); border-radius: 8px;
  padding: 8px; min-width: 190px; box-shadow: 0 6px 20px rgba(30,42,34,0.12);
  display: flex; flex-direction: column; gap: 2px;
}
.pf-menu-item { display: flex; align-items: center; gap: 8px; padding: 5px 6px; border-radius: 5px; cursor: pointer; font-size: 13px; }
.pf-menu-item:hover { background: var(--paper-alt); }
.pf-menu-clear { font-size: 12px; color: var(--amber); text-align: left; padding: 5px 6px; cursor: pointer; border: none; background: none; border-top: 1px solid var(--line); margin-top: 4px; width: 100%; }

/* Etiquetas de tipo */
.pf-tag {
  display: inline-block; font-size: 11px; font-family: 'Source Serif 4', serif; letter-spacing: 0.03em;
  padding: 1px 8px; border-radius: 3px; border: 1px solid var(--tag-color, var(--accent));
  color: var(--tag-color, var(--accent));
  background: color-mix(in srgb, var(--tag-color, var(--accent)) 10%, white);
}

/* Estado vacío */
.pf-empty {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 64px 20px; border: 1px dashed var(--line); border-radius: 10px; text-align: center; margin: 24px;
}
.pf-empty p:first-child { font-size: 18px; margin: 0; }
.pf-empty p:last-of-type { font-size: 13px; color: var(--ink-soft); margin: 4px 0 0; }

/* Tabla */
.pf-main { padding: 16px 24px 40px; overflow-x: auto; }
.pf-table { border-collapse: collapse; width: 100%; min-width: 640px; background: #fff; border-radius: 8px; }
.pf-th, .pf-th-sticky {
  text-align: left; font-size: 12px; font-weight: 600; color: var(--ink-soft);
  padding: 10px 14px; border-bottom: 1px solid var(--line-strong); background: var(--paper-alt);
  white-space: nowrap;
}
.pf-th-sticky { position: sticky; left: 0; z-index: 5; min-width: 200px; font-size: 13px; color: var(--ink); }
.pf-td, .pf-td-sticky { padding: 9px 14px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.pf-td-sticky { position: sticky; left: 0; background: #fff; z-index: 3; min-width: 200px; }
.pf-row:nth-child(5n) .pf-td, .pf-row:nth-child(5n) .pf-td-sticky { border-bottom: 1px solid var(--line-strong); }
.pf-row:hover .pf-td, .pf-row:hover .pf-td-sticky { background: var(--accent-soft); }
.pf-td-na { color: var(--line-strong); text-align: center; }
.pf-td-editable { cursor: text; }
.pf-td-editable:hover { background: var(--accent-soft); }
.pf-cell-value { font-size: 13px; }
.pf-cell-empty { color: var(--line-strong); }
.pf-cell-input { width: 100%; border: 1px solid var(--accent); border-radius: 4px; padding: 3px 6px; font-size: 13px; outline: none; font-family: inherit; }
.pf-total-row td { background: var(--paper-alt); border-top: 1px solid var(--line-strong); }
.pf-total-row .pf-td-sticky { background: var(--paper-alt); }
.pf-client-name { font-size: 13px; font-weight: 500; }
.pf-client-nif { font-size: 11px; color: var(--ink-soft); }

/* Modales */
.pf-overlay {
  position: fixed; inset: 0; background: rgba(30,42,34,0.35); z-index: 50;
  display: flex; align-items: center; justify-content: center; padding: 16px;
}
.pf-modal { background: #fff; border-radius: 10px; padding: 22px; width: 100%; max-width: 380px; max-height: 85vh; overflow-y: auto; box-shadow: 0 12px 40px rgba(30,42,34,0.2); }
.pf-label { display: block; font-size: 12px; color: var(--ink-soft); margin: 12px 0 4px; }
.pf-label:first-of-type { margin-top: 0; }
.pf-input { width: 100%; border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px; font-size: 13px; outline: none; color: var(--ink); background: #fff; font-family: inherit; }
.pf-input:focus { border-color: var(--accent); }

.pf-toast {
  position: fixed; bottom: 20px; left: 50%; transform: translate(-50%, 12px);
  background: var(--ink); color: #fff; font-size: 13px; padding: 9px 16px;
  border-radius: 7px; z-index: 60; box-shadow: 0 6px 20px rgba(0,0,0,0.2);
  opacity: 0; pointer-events: none; transition: opacity 150ms ease, transform 150ms ease;
}
.pf-toast.show { opacity: 1; transform: translate(-50%, 0); }

/* Login */
.pf-login-body { background: var(--paper); min-height: 100vh; display: flex; align-items: center; justify-content: center; margin: 0; }
.pf-login-card { background: #fff; border-radius: 10px; padding: 32px; width: 100%; max-width: 340px; box-shadow: 0 12px 40px rgba(30,42,34,0.12); }
.pf-login-card h1 { font-size: 22px; margin: 0; }
.pf-login-sub { font-size: 12px; color: var(--ink-soft); margin: 2px 0 18px; }
.pf-login-error { background: var(--amber-soft); color: #7a4a00; font-size: 13px; padding: 8px 10px; border-radius: 6px; margin-bottom: 12px; }