/* ═══════════════════════════════════════════════════════════════
   Calculadora de Calificaciones v2 — EduTools
   Prefijo gc2- para no colisionar con estilos globales
   ═══════════════════════════════════════════════════════════════ */

/* ─── Tokens propios ─────────────────────────────────────────── */
:root {
  --gc2-blue:       #2150c9;
  --gc2-blue-lt:    #e8edfc;
  --gc2-green:      #1a7a4a;
  --gc2-green-lt:   #e6f4ed;
  --gc2-yellow:     #7a6000;
  --gc2-yellow-lt:  #fdf5d0;
  --gc2-red:        #b91c1c;
  --gc2-red-lt:     #fde8e8;
  --gc2-gray-50:    #f8f7f5;
  --gc2-gray-100:   #efefec;
  --gc2-gray-200:   #ddddd8;
  --gc2-gray-500:   #888880;
  --gc2-gray-700:   #3c3c38;
  --gc2-radius:     8px;
  --gc2-radius-lg:  12px;
  --gc2-shadow:     0 1px 4px rgba(0,0,0,.06);
  --gc2-font:       'DM Sans', 'IBM Plex Sans', system-ui, sans-serif;
  --gc2-font-mono:  'JetBrains Mono', 'Fira Mono', monospace;
}

/* ─── Layout raíz ─────────────────────────────────────────────── */
#gc2Root {
  font-family: var(--gc2-font);
  color: var(--gc2-gray-700);
  display: grid;
  gap: 1.25rem;
  max-width: 1200px;
  margin: 0 auto;
}

/* ─── Paneles ─────────────────────────────────────────────────── */
.gc2-panel {
  background: #fff;
  border: 1px solid var(--gc2-gray-200);
  border-radius: var(--gc2-radius-lg);
  padding: 1.25rem 1.5rem;
}

.gc2-panel__title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--gc2-gray-500);
  margin: 0 0 1rem;
}

/* ─── Meta panel ──────────────────────────────────────────────── */
.gc2-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: .75rem;
}

.gc2-meta-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.gc2-meta-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--gc2-gray-500);
  text-transform: uppercase;
  letter-spacing: .05em;
}

.gc2-meta-input {
  border: 1px solid var(--gc2-gray-200);
  border-radius: var(--gc2-radius);
  padding: 6px 10px;
  font-size: 14px;
  font-family: var(--gc2-font);
  color: var(--gc2-gray-700);
  background: var(--gc2-gray-50);
  transition: border-color .15s, background .15s;
  width: 100%;
  box-sizing: border-box;
}

.gc2-meta-input:focus {
  outline: none;
  border-color: var(--gc2-blue);
  background: #fff;
}

/* ─── Settings bar ────────────────────────────────────────────── */
.gc2-settings-bar {
  display: flex;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 1rem;
}

.gc2-setting {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.gc2-setting label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--gc2-gray-500);
}

.gc2-setting select,
.gc2-setting input[type="number"] {
  border: 1px solid var(--gc2-gray-200);
  border-radius: var(--gc2-radius);
  padding: 6px 10px;
  font-size: 14px;
  font-family: var(--gc2-font);
  color: var(--gc2-gray-700);
  background: var(--gc2-gray-50);
  cursor: pointer;
}

.gc2-setting select:focus,
.gc2-setting input:focus {
  outline: none;
  border-color: var(--gc2-blue);
}

/* ─── Botones ─────────────────────────────────────────────────── */
.gc2-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 500;
  font-family: var(--gc2-font);
  border-radius: var(--gc2-radius);
  cursor: pointer;
  border: 1px solid var(--gc2-gray-200);
  background: #fff;
  color: var(--gc2-gray-700);
  transition: background .12s, border-color .12s, color .12s;
  white-space: nowrap;
}

.gc2-btn:hover { background: var(--gc2-gray-100); border-color: var(--gc2-gray-500); }

.gc2-btn--primary {
  background: var(--gc2-blue);
  border-color: var(--gc2-blue);
  color: #fff;
}

.gc2-btn--primary:hover { background: #1a3fa8; border-color: #1a3fa8; }

.gc2-btn--danger:hover { background: var(--gc2-red-lt); border-color: var(--gc2-red); color: var(--gc2-red); }

.gc2-btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  align-items: center;
}

/* ─── Tabla ───────────────────────────────────────────────────── */
.gc2-table-wrap {
  overflow-x: auto;
  border-radius: var(--gc2-radius);
  border: 1px solid var(--gc2-gray-200);
}

.gc2-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
  font-size: 14px;
}

.gc2-th {
  background: var(--gc2-gray-50);
  border-bottom: 1px solid var(--gc2-gray-200);
  padding: 0;
  text-align: left;
  font-weight: 600;
  white-space: nowrap;
  vertical-align: bottom;
  position: relative; /* Para el botón de eliminar */
}

.gc2-th--name { min-width: 160px; }
.gc2-th--avg  { min-width: 110px; text-align: center; padding: 8px 12px; font-size: 12px; }

.gc2-col-header {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px 10px 6px;
  min-width: 120px;
}

.gc2-col-name-input {
  border: none;
  background: transparent;
  font-size: 13px;
  font-weight: 600;
  font-family: var(--gc2-font);
  color: var(--gc2-gray-700);
  width: 100%;
  padding: 2px 4px;
  border-radius: 4px;
}

.gc2-col-name-input:focus {
  outline: none;
  background: var(--gc2-blue-lt);
}

.gc2-col-weight {
  display: flex;
  align-items: center;
  gap: 4px;
}

.gc2-weight-input {
  border: 1px solid var(--gc2-gray-200);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 12px;
  font-family: var(--gc2-font);
  color: var(--gc2-gray-700);
  background: #fff;
  width: 52px;
  text-align: right;
}

.gc2-weight-input:focus { outline: none; border-color: var(--gc2-blue); }

.gc2-col-weight span {
  font-size: 11px;
  color: var(--gc2-gray-500);
}

.gc2-col-remove {
  position: absolute;
  top: 4px;
  right: 4px;
  background: var(--gc2-gray-100);
  border: 1px solid var(--gc2-gray-200);
  color: var(--gc2-gray-500);
  font-size: 14px;
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 4px;
  transition: all .15s;
  padding: 0;
  line-height: 1;
}

.gc2-col-remove:hover { 
  background: var(--gc2-red); 
  color: #fff; 
  border-color: var(--gc2-red);
}

.gc2-col-remove:disabled { display: none; }

/* Filas */
.gc2-row { transition: background .08s; }
.gc2-row:hover { background: #fafafa; }
.gc2-row:last-child .gc2-td { border-bottom: none; }

.gc2-td {
  border-bottom: 1px solid var(--gc2-gray-100);
  padding: 4px 4px;
  vertical-align: middle;
}

.gc2-td--name {
  padding-left: 8px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.gc2-row-num {
  font-size: 11px;
  color: var(--gc2-gray-500);
  min-width: 18px;
  text-align: right;
}

.gc2-cell-input {
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 5px 8px;
  font-size: 13px;
  font-family: var(--gc2-font);
  color: var(--gc2-gray-700);
  background: transparent;
  width: 100%;
  box-sizing: border-box;
  transition: border-color .12s, background .12s;
}

.gc2-cell-input:hover  { border-color: var(--gc2-gray-200); }
.gc2-cell-input:focus  { outline: none; border-color: var(--gc2-blue); background: var(--gc2-blue-lt); }

.gc2-name-input { min-width: 130px; }
.gc2-grade-input { text-align: right; max-width: 90px; font-family: var(--gc2-font-mono); }

.gc2-row-remove {
  background: none;
  border: none;
  color: transparent;
  font-size: 14px;
  cursor: pointer;
  border-radius: 4px;
  padding: 2px 4px;
  transition: color .1s, background .1s;
  flex-shrink: 0;
}

.gc2-row:hover .gc2-row-remove { color: var(--gc2-gray-500); }
.gc2-row-remove:hover { color: var(--gc2-red) !important; background: var(--gc2-red-lt); }

/* Celda promedio */
.gc2-td--avg {
  text-align: center;
  font-weight: 600;
  font-family: var(--gc2-font-mono);
}

.gc2-avg-value { font-size: 14px; }

/* Colores de desempeño */
.gc2-cell--green  { color: var(--gc2-green); background: var(--gc2-green-lt); }
.gc2-cell--yellow { color: var(--gc2-yellow); background: var(--gc2-yellow-lt); }
.gc2-cell--red    { color: var(--gc2-red);    background: var(--gc2-red-lt); }
.gc2-cell--invalid .gc2-grade-input {
  border-color: var(--gc2-red) !important;
  background: var(--gc2-red-lt) !important;
  color: var(--gc2-red);
}

/* ─── Badges ──────────────────────────────────────────────────── */
.gc2-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
}

.gc2-badge--ok   { background: var(--gc2-green-lt); color: var(--gc2-green); }
.gc2-badge--warn { background: var(--gc2-yellow-lt); color: var(--gc2-yellow); }
.gc2-badge--fail { background: var(--gc2-red-lt); color: var(--gc2-red); }

.gc2-avg-badge {
  font-size: 11px;
  margin-left: 4px;
  opacity: .7;
}

/* ─── Estadísticas ────────────────────────────────────────────── */
.gc2-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: .75rem;
}

.gc2-stat-card {
  background: var(--gc2-gray-50);
  border: 1px solid var(--gc2-gray-200);
  border-radius: var(--gc2-radius);
  padding: .75rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.gc2-stat-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--gc2-gray-500);
}

.gc2-stat-value {
  font-size: 22px;
  font-weight: 700;
  font-family: var(--gc2-font-mono);
  line-height: 1;
}

/* ─── Empty state ─────────────────────────────────────────────── */
.gc2-empty {
  text-align: center;
  padding: 2rem;
  color: var(--gc2-gray-500);
  font-size: 14px;
}

/* ─── Modal Smart Paste ───────────────────────────────────────── */
.gc2-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.gc2-modal {
  background: #fff;
  border-radius: var(--gc2-radius-lg);
  padding: 1.5rem;
  width: min(520px, 94vw);
  box-shadow: 0 8px 32px rgba(0,0,0,.15);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.gc2-modal__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--gc2-gray-700);
  margin: 0;
}

.gc2-modal__hint {
  font-size: 13px;
  color: var(--gc2-gray-500);
  margin: 0;
  line-height: 1.6;
}

.gc2-paste-area {
  width: 100%;
  box-sizing: border-box;
  height: 180px;
  border: 1px solid var(--gc2-gray-200);
  border-radius: var(--gc2-radius);
  padding: .75rem;
  font-size: 13px;
  font-family: var(--gc2-font-mono);
  color: var(--gc2-gray-700);
  resize: vertical;
}

.gc2-paste-area:focus { outline: none; border-color: var(--gc2-blue); }

.gc2-radio-row {
  display: flex;
  gap: 1.25rem;
  align-items: center;
}

.gc2-radio-row label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  cursor: pointer;
}

/* ─── Print ───────────────────────────────────────────────────── */
@media print {
  body * { visibility: hidden; }

  #gc2Root, #gc2Root * { visibility: visible; }

  .gc2-btn-row,
  .gc2-settings-bar,
  .gc2-col-remove,
  .gc2-row-remove,
  .gc2-col-weight,
  [id="gc2PasteModal"] { display: none !important; }

  #gc2Root {
    position: absolute;
    inset: 0;
    padding: 1.5cm;
    max-width: 100%;
  }

  .gc2-panel { border: 1px solid #ccc; box-shadow: none; }
  .gc2-table { font-size: 10pt; }
  .gc2-th, .gc2-td { padding: 4pt 6pt; }
}