* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #334155 0, #020617 55%);
  color: #e5e7eb;
}

.app-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

/* Felső sáv */
.app-header {
  padding: 14px 20px 6px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #e5e7eb;
  font-size: 13px;
  opacity: 0.9;
}

.app-header-left {
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.app-header-right {
  display: flex;
  gap: 8px;
  align-items: center;
}

.status-pill {
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(148, 163, 184, 0.22);
  font-size: 11px;
}

/* Csempe rács */
.tile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 18px;
  padding: 10px 20px 24px 20px;
}

.tile-link {
  text-decoration: none;
}

.tile {
  position: relative;
  border-radius: 26px;
  padding: 16px 16px 14px 16px;
  background: linear-gradient(135deg, rgba(15,23,42,0.92), rgba(30,64,175,0.70));
  box-shadow:
    0 14px 30px rgba(15,23,42,0.9),
    inset 0 0 0 0.5px rgba(148,163,184,0.4);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
  overflow: hidden;
}

.tile::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(248,250,252,0.16), transparent 55%);
  opacity: 0.9;
  pointer-events: none;
}

.tile:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow:
    0 18px 40px rgba(15,23,42,0.95),
    inset 0 0 0 0.5px rgba(191,219,254,0.55);
}

/* Ikon + szöveg */
.tile-main {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.tile-icon-badge {
  width: 40px;
  height: 40px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 30% 10%, #f9fafb, #e5e7eb);
  box-shadow:
    0 10px 18px rgba(15,23,42,0.7),
    inset 0 0 0 1px rgba(148,163,184,0.7);
  flex-shrink: 0;
}

.tile-icon {
  font-size: 22px;
}

.tile-text-group {
  flex: 1;
}

.tile-title {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 2px;
  color: #f9fafb;
}

.tile-subtitle {
  font-size: 12px;
  color: #cbd5f5;
  opacity: 0.85;
}

/* Alsó sor a csempén */
.tile-footer {
  position: relative;
  z-index: 1;
  margin-top: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: #9ca3af;
}

.tile-tag {
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(15,23,42,0.8);
  border: 1px solid rgba(148,163,184,0.55);
}

/* Vissza gomb + oldalfejlécek */
.page-inner {
  flex: 1;
  padding: 8px 20px 26px 20px;
}

.back-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,0.55);
  background: radial-gradient(circle at top, rgba(15,23,42,0.9), rgba(15,23,42,0.85));
  color: #e5e7eb;
  font-size: 13px;
  text-decoration: none;
  box-shadow: 0 10px 18px rgba(15,23,42,0.75);
}

.back-btn-icon {
  font-size: 14px;
}

.page-title-block {
  display: flex;
  flex-direction: column;
}

.page-title {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.page-subtitle {
  font-size: 12px;
  color: #9ca3af;
  margin-top: 1px;
}

/* Keresősáv hibakódokhoz */
.search-card {
  margin-top: 6px;
  border-radius: 22px;
  padding: 14px 16px 16px 16px;
  background: radial-gradient(circle at top left, rgba(15,23,42,0.95), rgba(15,23,42,0.90));
  box-shadow:
    0 12px 30px rgba(15,23,42,0.9),
    inset 0 0 0 0.5px rgba(148,163,184,0.5);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.search-label {
  font-size: 12px;
  color: #9ca3af;
  margin-bottom: 6px;
}

.search-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.search-input-wrapper {
  position: relative;
  flex: 1;
}

.search-input {
  width: 100%;
  padding: 9px 34px 9px 30px;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,0.7);
  background: rgba(15,23,42,0.9);
  color: #e5e7eb;
  font-size: 13px;
  outline: none;
}

.search-input::placeholder {
  color: #6b7280;
}

.search-input-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
  opacity: 0.75;
}

.clear-btn {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  border-radius: 999px;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(31,41,55,0.95);
  color: #e5e7eb;
  font-size: 13px;
  cursor: pointer;
}

/* DTC találati kártya */
.dtc-result {
  margin-top: 12px;
  border-radius: 18px;
  padding: 12px 14px;
  background: linear-gradient(135deg, rgba(15,23,42,0.96), rgba(30,64,175,0.85));
  border: 1px solid rgba(191,219,254,0.7);
  box-shadow: 0 10px 24px rgba(15,23,42,0.9);
}

.dtc-code {
  font-family: "SF Mono", ui-monospace, Menlo, Monaco, Consolas, "Courier New", monospace;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.dtc-desc {
  font-size: 13px;
  color: #e5e7eb;
}

/* Info szöveg */
.helper-text {
  margin-top: 10px;
  font-size: 12px;
  color: #9ca3af;
}

/* Táblázatszerű tartalom az oszcilloszkóp / multiméter oldalon */
.info-card {
  margin-top: 10px;
  border-radius: 20px;
  padding: 12px 14px 14px 14px;
  background: radial-gradient(circle at top left, rgba(15,23,42,0.96), rgba(15,23,42,0.94));
  box-shadow:
    0 12px 26px rgba(15,23,42,0.9),
    inset 0 0 0 0.5px rgba(148,163,184,0.6);
}

.info-row {
  padding: 7px 6px;
  border-bottom: 1px solid rgba(55,65,81,0.7);
  font-size: 13px;
}

.info-row:last-child {
  border-bottom: none;
}

.info-label {
  font-weight: 500;
  color: #e5e7eb;
}

.info-detail {
  color: #9ca3af;
}

/* Keresés kiemelés */
mark.search-hit {
  background: rgba(248, 250, 252, 0.18);
  padding: 1px 2px;
  border-radius: 4px;
}

/* Fogalomtár lista */
.term-list {
  margin-top: 10px;
  border-radius: 18px;
  padding: 10px 14px 14px 14px;
  background: radial-gradient(circle at top left, rgba(15,23,42,0.97), rgba(15,23,42,0.92));
  box-shadow:
    0 10px 24px rgba(15,23,42,0.9),
    inset 0 0 0 0.5px rgba(148,163,184,0.5);
  max-width: 420px;
}

.term-item {
  padding: 4px 0;
  border-bottom: 1px dashed rgba(55,65,81,0.8);
  font-size: 13px;
}

.term-item:last-child {
  border-bottom: none;
}

/* Popup diagnosztikai segítőhöz */
.popup-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,0.72);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  display: none;
  z-index: 40;
}

.popup-card {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  min-width: 260px;
  max-width: 420px;
  padding: 18px 18px 14px 18px;
  border-radius: 24px;
  background: radial-gradient(circle at top, rgba(15,23,42,0.98), rgba(15,23,42,0.96));
  box-shadow:
    0 20px 45px rgba(15,23,42,0.95),
    inset 0 0 0 0.5px rgba(191,219,254,0.55);
  display: none;
  z-index: 50;
}

.popup-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.popup-text {
  font-size: 13px;
  color: #e5e7eb;
  margin-bottom: 12px;
}

.popup-footer {
  display: flex;
  justify-content: flex-end;
}

.popup-btn {
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,0.7);
  background: radial-gradient(circle at top, rgba(30,64,175,0.95), rgba(30,64,175,0.9));
  color: #f9fafb;
  font-size: 13px;
  cursor: pointer;
}

/* Diagnosztikai segítő listaelemek */
.helper-list {
  margin-top: 10px;
  max-width: 420px;
}

.helper-item {
  border-radius: 16px;
  padding: 8px 12px;
  margin-bottom: 6px;
  background: radial-gradient(circle at top left, rgba(15,23,42,0.9), rgba(15,23,42,0.95));
  box-shadow:
    0 8px 20px rgba(15,23,42,0.9),
    inset 0 0 0 0.5px rgba(75,85,99,0.7);
  font-size: 13px;
}

.helper-link {
  text-decoration: none;
  color: #e5e7eb;
  display: block;
}

/* Reszponzív */
@media (max-width: 640px) {
  .tile-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.header-logo{height:32px;vertical-align:middle;margin-right:8px;}

.header-logo{
    height:64px!important;
}

@media (max-width:600px){
    .tile, .menu-tile{
        transform: scale(0.9);
        margin: 8px!important;
    }
    .app-header-left{
        font-size: 1.1rem!important;
    }
}

/* Mobile enhanced layout */
@media (max-width:600px){
    .header-logo{
        height:52px!important;
    }
    .tile, .menu-tile{
        width:45%!important;
        display:inline-block!important;
        vertical-align:top;
        margin:6px!important;
        transform:none!important;
    }
}

/* ---- Mobil layout fix: minden csempe egymás alá kerül ---- */
@media (max-width: 700px) {

  .tile-grid {
    display: block !important;
  }

  .tile-link {
    display: block !important;
    width: 100% !important;
    max-width: 100% !important;
    margin: 12px 0 !important;
  }

  .tile {
    width: 100% !important;
    max-width: 100% !important;
    display: block !important;
  }
}