/* ── NIHI Student Certificates – Front-end styles ──────────── */
/* Preserves the original .st-* design exactly               */

.st-wrap {
  font-family: 'Helvetica Neue', Arial, sans-serif !important;
  background: #ffff !important;
  padding: 20px !important;
  border-radius: 16px !important;
  max-width: 1100px !important;
  margin: 0 auto !important;
  box-sizing: border-box !important;
}
.st-card {
  background: #ffffff !important;
  border-radius: 12px !important;
  overflow: hidden !important;
  box-shadow: 0 1px 4px rgba(0,0,0,0.07) !important;
}
.st-header {
  display: flex !important;
  background: #f2f5f5 !important;
  padding: 14px 28px !important;
  border-bottom: 2px solid #e2e8e8 !important;
}
.st-header-cell {
  font-size: 13px !important;
  font-weight: 700 !important;
  color: #1a1a1a !important;
  text-transform: none !important;
}
.st-row {
  display: flex !important;
  align-items: center !important;
  padding: 18px 28px !important;
  border-bottom: 1px solid #f0f0f0 !important;
  transition: background 0.2s !important;
  cursor: pointer !important;
  background: #ffffff !important;
}
.st-row:last-child {
  border-bottom: none !important;
}
.st-row:hover {
  background: #f4fcfb !important;
}
.st-col-name   { flex: 0 0 28% !important; }
.st-col-email  { flex: 0 0 28% !important; }
.st-col-course { flex: 0 0 28% !important; }
.st-col-year   {
  flex: 0 0 16% !important;
  display: flex !important;
  justify-content: flex-start !important;
  align-items: center !important;
}
.st-cell-name {
  font-size: 14px !important;
  color: #333333 !important;
  font-weight: 400 !important;
  transition: color 0.2s !important;
}
.st-row:hover .st-cell-name {
  color: #111111 !important;
}
.st-cell-email a {
  font-size: 14px !important;
  color: #2ab5a0 !important;
  font-weight: 600 !important;
  text-decoration: none !important;
  transition: text-decoration 0.2s !important;
}
.st-row:hover .st-cell-email a {
  text-decoration: underline !important;
}
.st-cell-course {
  font-size: 14px !important;
  color: #888888 !important;
}
.st-cell-year {
  display: inline-block !important;
  background: #f0f0f0 !important;
  color: #333333 !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  padding: 5px 16px !important;
  border-radius: 20px !important;
  transition: background 0.2s, color 0.2s !important;
}
.st-row:hover .st-cell-year {
  background: #2ab5a0 !important;
  color: #ffffff !important;
}

/* ── Hidden rows (search filter) ── */
.st-row.nihi-hidden {
  display: none !important;
}
.st-empty p,
.st-no-results p {
  font-size: 14px;
  color: #888;
  padding: 0;
  margin: 0;
}

/* ── Search bar ── */
.nihi-search-wrap {
  margin-bottom: 16px;
}
.nihi-search-input {
  width: 100%;
  max-width: 380px;
  padding: 10px 16px;
  border: 1.5px solid #e2e8e8;
  border-radius: 8px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
  box-sizing: border-box;
}
.nihi-search-input:focus {
  border-color: #2ab5a0;
}

/* ── Mobile ── */
@media (max-width: 640px) {
  .st-wrap { padding: 10px !important; }
  .st-header { display: none !important; }
  .st-row { flex-wrap: wrap !important; padding: 16px 18px !important; gap: 8px 0 !important; }
  .st-col-name, .st-col-email, .st-col-course, .st-col-year {
    flex: 0 0 100% !important;
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
  }
  .st-col-name::before   { content: "Nombre:" !important; font-size: 11px !important; font-weight: 700 !important; color: #aaa !important; min-width: 90px !important; text-transform: uppercase !important; letter-spacing: 0.5px !important; }
  .st-col-email::before  { content: "Correo:"  !important; font-size: 11px !important; font-weight: 700 !important; color: #aaa !important; min-width: 90px !important; text-transform: uppercase !important; letter-spacing: 0.5px !important; }
  .st-col-course::before { content: "Curso:"   !important; font-size: 11px !important; font-weight: 700 !important; color: #aaa !important; min-width: 90px !important; text-transform: uppercase !important; letter-spacing: 0.5px !important; }
  .st-col-year::before   { content: "Año:"     !important; font-size: 11px !important; font-weight: 700 !important; color: #aaa !important; min-width: 90px !important; text-transform: uppercase !important; letter-spacing: 0.5px !important; }
  .nihi-search-input { max-width: 100%; }
}