/* WL (Word Learning) - Responsive & Modern Stylesheet */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --max-content-width: 1000px;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
}

body {
  font-family: var(--font-sans);
  -webkit-tap-highlight-color: transparent;
  transition: background-color 0.25s ease, color 0.25s ease;
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
  min-height: 100vh;
  margin: 0;
  padding: 0;
  word-break: break-word;
  overflow-wrap: anywhere;
}

/* ======================================================== */
/* 1. ASZTALI NÉZET OPTIMALIZÁLÁSA (DESKTOP: MAX-WIDTH & HOVER) */
/* ======================================================== */

/* Középre zárt, 1000px-ben maximált asztali elrendezés */
.app-container,
.desktop-constrained {
  max-width: var(--max-content-width) !important;
  margin-left: auto !important;
  margin-right: auto !important;
  width: 100%;
}

/* Kattinthatóság és egérkurzor */
button,
a,
summary,
[role="button"],
input[type="button"],
input[type="submit"],
input[type="reset"],
input[type="checkbox"],
select,
.cursor-pointer {
  cursor: pointer;
}

/* Finom asztali hover visszajelzések (csak valódi egérmutatóval) */
@media (hover: hover) and (pointer: fine) {
  button,
  a,
  [role="button"] {
    transition: transform 0.15s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.15s cubic-bezier(0.16, 1, 0.3, 1),
                background-color 0.15s ease,
                border-color 0.15s ease,
                color 0.15s ease;
  }

  button:hover:not(:disabled),
  a:hover:not(:disabled) {
    opacity: 0.96;
  }

  /* Kártya finom lebegtetési hatás asztali nézetben */
  .group:hover {
    transform: translateY(-2px);
  }

  .quiz-card:hover {
    box-shadow: 0 20px 35px -10px rgba(0, 0, 0, 0.08);
  }

  .dark .quiz-card:hover {
    box-shadow: 0 20px 35px -10px rgba(0, 0, 0, 0.4);
  }
}

/* ======================================================== */
/* 2. MOBILBARÁT KIALAKÍTÁS (MOBILE-FIRST ÉS ÉRINTŐKÉPERNYŐ) */
/* ======================================================== */

/* Safe area padding iPhone és modern mobilok esetén */
.safe-area-bottom {
  padding-bottom: max(0.5rem, env(safe-area-inset-bottom, 0px));
}

@media (max-width: 768px) {
  /* Hibás mobilos nagyítás (iOS Safari auto-zoom) elkerülése: 16px min beviteli mezők */
  input,
  select,
  textarea {
    font-size: 16px !important;
    line-height: 1.4;
  }

  /* Jó olvashatóság: a bázis szövegek ne essenek 16px alá mobilon */
  body {
    font-size: 16px;
  }

  /* Gombok és érintési célméretek: legalább 44-48px magas és széles érintési felület */
  button,
  input[type="button"],
  input[type="submit"],
  [role="button"] {
    min-height: 44px;
    touch-action: manipulation;
  }

  /* Header vezérlők mobilon kényelmesen nyomhatók legyenek (40–44px) */
  header button,
  header a:not(.btn-login):not(.btn-account):not(#nav-logo) {
    min-height: 40px;
    min-width: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
  }

  /* Fejléc cím (Wordly felirat) eltüntetése mobil nézetben */
  #nav-logo .header-title,
  #nav-logo .header-brand-name,
  .header-title {
    display: none !important;
  }

  /* Fejléc gombok méretezése és stílusai a 9. szekcióban egységesítve */

  header > div {
    padding-left: 8px !important;
    padding-right: 8px !important;
    gap: 6px !important;
  }

  /* Mobil alsó menü érintési felületei (legalább 48px) */
  nav.md\:hidden {
    min-height: 60px;
  }

  nav.md\:hidden a,
  nav.md\:hidden button {
    min-height: 48px;
    min-width: 48px;
    padding: 6px 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }

  nav.md\:hidden a span,
  nav.md\:hidden button span {
    font-size: 12px !important;
  }

  /* Kártyák és listaelemek ikon gombjai mobilon ne legyenek parányiak (min 44px érintési méret) */
  .btn-rename-list,
  .btn-delete-list,
  .btn-edit-word,
  .btn-delete-word {
    min-height: 44px !important;
    min-width: 44px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 10px !important;
  }

  .btn-start-practice {
    min-height: 48px !important;
    font-size: 14px !important;
  }

  .btn-view-words,
  .btn-export-list {
    min-height: 48px !important;
    min-width: 48px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
  }

  /* Gyakorló felület mobilon */
  #quiz-card {
    padding: 1.5rem 1rem !important;
    border-radius: 1.5rem !important;
  }

  #practice-answer-input {
    min-height: 52px !important;
    font-size: 18px !important;
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }

  #btn-practice-submit {
    min-height: 50px !important;
    font-size: 16px !important;
  }

  #btn-speak-word {
    min-height: 48px !important;
    min-width: 48px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
  }

  #btn-exit-practice,
  #btn-toggle-direction,
  #btn-toggle-sound {
    min-height: 44px !important;
  }

  /* Modális ablakok mobilos illesztése */
  .fixed.inset-0 > div {
    max-height: 94vh !important;
    margin: auto !important;
    width: 95% !important;
    padding: 1.25rem !important;
    border-radius: 1.5rem !important;
  }

  #btn-close-upload-modal,
  #btn-close-manage-modal,
  #btn-close-firebase-modal {
    min-height: 44px !important;
    min-width: 44px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
  }
}

/* ======================================================== */
/* 3. SCROLLBAR ÉS ÁLTALÁNOS FELÜLETI ELEMEK               */
/* ======================================================== */

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(156, 163, 175, 0.4);
  border-radius: 9999px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(156, 163, 175, 0.7);
}

.dark ::-webkit-scrollbar-thumb {
  background: rgba(75, 85, 99, 0.5);
}

.dark ::-webkit-scrollbar-thumb:hover {
  background: rgba(107, 114, 128, 0.8);
}

/* ======================================================== */
/* 4. ANIMÁCIÓK ÉS INTERAKTÍV EFFEKTEK                     */
/* ======================================================== */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes popIn {
  0% {
    opacity: 0;
    transform: scale(0.96);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.4);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(99, 102, 241, 0);
  }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

@keyframes bounceSuccess {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}

.animate-fade-in {
  animation: fadeIn 0.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-pop-in {
  animation: popIn 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-shake {
  animation: shake 0.4s ease-in-out;
}

.animate-bounce-success {
  animation: bounceSuccess 0.35s ease;
}

/* Glassmorphism & UI elements */
.glass-panel {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* Practice Card Styling */
.quiz-card {
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Hide spin buttons for inputs */
input[type=number]::-webkit-inner-spin-button, 
input[type=number]::-webkit-outer-spin-button { 
  -webkit-appearance: none; 
  margin: 0; 
}

/* Sound wave animation for TTS button */
.speaking-wave {
  display: inline-flex;
  gap: 2px;
  align-items: center;
}

.speaking-wave span {
  width: 3px;
  height: 12px;
  background-color: currentColor;
  border-radius: 9999px;
  animation: wave 0.8s ease-in-out infinite alternate;
}

.speaking-wave span:nth-child(2) {
  animation-delay: 0.2s;
  height: 18px;
}

.speaking-wave span:nth-child(3) {
  animation-delay: 0.4s;
  height: 14px;
}

@keyframes wave {
  0% { transform: scaleY(0.4); }
  100% { transform: scaleY(1); }
}

/* ======================================================== */
/* 5. RESZPONZÍV FEJLÉC ÉS AUTH GOMBOK (FIÓK, BEJELENTKEZÉS) */
/* ======================================================== */

/* Fiók gomb szövegelrendezése: vízszintes, nem törik több sorba */
#nav-btn-register,
.btn-account,
a[href="#auth"] span,
nav.md\:hidden a[href="#auth"] span {
  writing-mode: horizontal-tb !important;
  white-space: nowrap !important;
  word-break: keep-all !important;
  overflow-wrap: normal !important;
}

#nav-btn-register span,
.btn-account span {
  writing-mode: horizontal-tb !important;
  white-space: nowrap !important;
  word-break: keep-all !important;
  overflow-wrap: normal !important;
  display: inline-block !important;
}

/* Bejelentkezés gomb: vízszintes szöveg, kék háttér, fehér felirat */
#nav-btn-login,
.btn-login {
  background-color: #2563eb !important; /* Kék szín */
  color: #ffffff !important;           /* Fehér szövegszín */
  writing-mode: horizontal-tb !important;
  white-space: nowrap !important;
  word-break: keep-all !important;
  overflow-wrap: normal !important;
  border: 1px solid #1d4ed8 !important;
  box-shadow: 0 1px 3px 0 rgba(37, 99, 235, 0.3) !important;
}

#nav-btn-login:hover,
.btn-login:hover {
  background-color: #1d4ed8 !important;
  color: #ffffff !important;
}

#nav-btn-login span,
.btn-login span {
  writing-mode: horizontal-tb !important;
  white-space: nowrap !important;
  word-break: keep-all !important;
  overflow-wrap: normal !important;
  color: #ffffff !important;
  display: inline-block !important;
}

#nav-btn-login i,
#nav-btn-login svg,
.btn-login i,
.btn-login svg {
  color: #ffffff !important;
  stroke: #ffffff !important;
}

/* Dark/Light mode téma váltó gomb mindig látható a fejlécben */
#btn-theme-toggle {
  display: inline-flex !important;
  visibility: visible !important;
  opacity: 1 !important;
  flex-shrink: 0 !important;
}

/* ======================================================== */
/* 6. LETÖLTÉS PANEL / MODAL & DROPDOWN SZÖVEGELRENDEZÉSE  */
/* ======================================================== */

/* Letöltés panel konténer és modál méretezés */
.download-panel,
#modal-download-export {
  width: 100%;
}

#modal-download-export .modal-content {
  width: 95% !important;
  max-width: 500px !important;
  min-width: 310px !important;
  margin: auto !important;
}

/* Letöltési opciók gombjai és szövegei: tiszta vízszintes, törésmentes */
.download-option,
.download-option *,
#modal-download-export .download-option,
#modal-download-export .download-option * {
  white-space: nowrap !important;
  word-break: keep-all !important;
  overflow-wrap: normal !important;
}

/* Szavak előnézeti soraiban a szavak tisztán, vízszintesen jelennek meg */
.download-words-preview,
.download-word-item {
  width: 100% !important;
}

.download-word-item span,
.download-words-preview span,
#manage-words-table span {
  white-space: nowrap !important;
  word-break: keep-all !important;
  overflow-wrap: normal !important;
}

/* ======================================================== */
/* 7. PROGRESSIVE WEB APP (PWA / STANDALONE MÓD) OPTIMALIZÁLÁS */
/* ======================================================== */

/* Fejléc jobb gombtár: zökkenőmentes és automatikus illeszkedés hézag nélkül */
.header-right-actions {
  display: flex !important;
  align-items: center !important;
  justify-content: flex-end !important;
  margin-left: auto;
  gap: 8px;
  flex-shrink: 0 !important;
  transition: all 0.2s ease;
}

@media (max-width: 768px) {
  .header-right-actions {
    gap: 4px !important;
  }
}

/* Globális és szigorú rejtés (Strict Conditional Rendering) */
.hidden {
  display: none !important;
}


/* PWA / Telepített állapot mind CSS Media Query (@media display-mode: standalone), mind JS .pwa-standalone esetén */
@media (display-mode: standalone) {
  /* Fejléc notch és status bar felső margó iOS és Android eszközökön */
  header {
    padding-top: env(safe-area-inset-top, 0px);
  }

  /* Telepítés / Letöltés gombok automatikus eltüntetése */
  .btn-install-pwa,
  #modal-ios-install {
    display: none !important;
    margin: 0 !important;
    padding: 0 !important;
    width: 0 !important;
    height: 0 !important;
  }
}

/* JavaScript által detektált .pwa-standalone esetén is pontosan ugyanaz a viselkedés */
.pwa-standalone header {
  padding-top: env(safe-area-inset-top, 0px);
}

/* Dinamikus fejléc elrejtése lefelé görgetéskor */
header,
#app-header {
  position: sticky !important;
  top: 0 !important;
  z-index: 50 !important;
  transition: transform 0.3s ease-in-out, background-color 0.2s ease, border-color 0.2s ease !important;
  will-change: transform;
}

header.header-hidden,
#app-header.header-hidden {
  transform: translateY(-100%) !important;
  pointer-events: none !important;
}

.pwa-standalone .btn-install-pwa,
.pwa-standalone #modal-ios-install {
  display: none !important;
  margin: 0 !important;
  padding: 0 !important;
  width: 0 !important;
  height: 0 !important;
}

/* ======================================================== */
/* 8. ALSÓ NAVIGÁCIÓ VÉGLEGES KIKAPCSOLÁSA ÉS TÉRMAXIMALIZÁLÁS */
/* ======================================================== */

/* Alsó navigációs sáv véglegesen rejtve és kikapcsolva (0 helyfoglalás, nem renderelődik) */
#mobile-bottom-nav {
  display: none !important;
  visibility: hidden !important;
  pointer-events: none !important;
  height: 0 !important;
  min-height: 0 !important;
  max-height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  border: none !important;
  box-shadow: none !important;
  overflow: hidden !important;
}

/* Tartalom alsó margójának és térközének teljes visszaállítása (padding-bottom: 0):
   A felület kihasználja a teljes képernyőmagasságot bejelentkezett és vendég módban is */
body,
body.has-bottom-nav,
body.no-bottom-nav {
  padding-bottom: 0 !important;
}

body main,
body.has-bottom-nav main,
body.no-bottom-nav main,
main {
  padding-bottom: 1.5rem !important;
}

body footer,
body.has-bottom-nav footer,
body.no-bottom-nav footer,
footer {
  padding-bottom: 1.5rem !important;
}

#offline-indicator-badge {
  bottom: 1.5rem !important;
}

/* ======================================================== */
/* 9. FEJLÉC GOMBOK MÉRETEZÉSE ÉS VIZUÁLIS STÍLUSAI         */
/* ======================================================== */

/* Fejléc funkciógombok konténerei és flexbox elrendezés egységes 8px térközzel */
.header-right-actions {
  display: flex !important;
  align-items: center !important;
  justify-content: flex-end !important;
  gap: 8px !important;
}

#public-auth-buttons,
#user-profile-menu {
  align-items: center !important;
  gap: 8px !important;
}

/* 1. Szöveges gombok (Bejelentkezés & Fiók) teljesen azonos méretezése */
#nav-btn-login,
#nav-btn-register,
.header-right-actions .btn-login,
.header-right-actions .btn-account {
  width: 108px !important;
  min-width: 108px !important;
  max-width: 108px !important;
  height: 40px !important;
  min-height: 40px !important;
  max-height: 40px !important;
  padding: 0 8px !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  text-align: center !important;
  border-radius: 12px !important;
  font-weight: 600 !important;
  font-size: 12px !important;
  line-height: 1 !important;
  white-space: nowrap !important;
  box-sizing: border-box !important;
  transition: all 0.2s ease !important;
  gap: 6px !important;
}

@media (min-width: 640px) {
  #nav-btn-login,
  #nav-btn-register,
  .header-right-actions .btn-login,
  .header-right-actions .btn-account {
    width: 130px !important;
    min-width: 130px !important;
    max-width: 130px !important;
    height: 42px !important;
    min-height: 42px !important;
    max-height: 42px !important;
    padding: 0 12px !important;
    font-size: 13.5px !important;
    gap: 6px !important;
  }
}

/* Bejelentkezés gomb (Kék szín) */
#nav-btn-login,
.header-right-actions .btn-login {
  background-color: #2563eb !important;
  color: #ffffff !important;
  border: 1px solid #1d4ed8 !important;
  box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2) !important;
}

#nav-btn-login:hover,
.header-right-actions .btn-login:hover {
  background-color: #1d4ed8 !important;
  color: #ffffff !important;
}

/* Fiók gomb (Narancssárga szín - #F97316 / #EA580C, fehér szöveg) */
#nav-btn-register,
.header-right-actions .btn-account {
  background-color: #f97316 !important;
  color: #ffffff !important;
  border: 1px solid #ea580c !important;
  box-shadow: 0 2px 4px rgba(249, 115, 22, 0.2) !important;
}

#nav-btn-register:hover,
.header-right-actions .btn-account:hover {
  background-color: #ea580c !important;
  color: #ffffff !important;
}

#nav-btn-login i,
#nav-btn-login svg,
#nav-btn-login span,
#nav-btn-register i,
#nav-btn-register svg,
#nav-btn-register span {
  color: #ffffff !important;
  fill: none !important;
  stroke: #ffffff !important;
}

/* 2. Fogaskerék (Beállítások) gomb végleges eltávolítása minden nézetben */
#btn-open-firebase-settings {
  display: none !important;
  visibility: hidden !important;
  pointer-events: none !important;
  width: 0 !important;
  height: 0 !important;
  min-width: 0 !important;
  min-height: 0 !important;
  max-width: 0 !important;
  max-height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  border: none !important;
  opacity: 0 !important;
}

/* 3. Téma kapcsoló és bejelentkezett funkciógombok egységes méretezése */
#btn-theme-toggle,
#user-profile-menu button,
#user-profile-badge-btn {
  width: 40px !important;
  height: 40px !important;
  min-width: 40px !important;
  min-height: 40px !important;
  max-width: 40px !important;
  max-height: 40px !important;
  border-radius: 12px !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  box-sizing: border-box !important;
  flex-shrink: 0 !important;
  transition: all 0.2s ease !important;
}

@media (min-width: 640px) {
  #btn-theme-toggle,
  #user-profile-menu button,
  #user-profile-badge-btn {
    width: 42px !important;
    height: 42px !important;
    min-width: 42px !important;
    min-height: 42px !important;
    max-width: 42px !important;
    max-height: 42px !important;
  }
}

/* Ikonok mérete a téma váltóban */
#btn-theme-toggle i,
#btn-theme-toggle svg {
  width: 20px !important;
  height: 20px !important;
  min-width: 20px !important;
  min-height: 20px !important;
}

@media (min-width: 640px) {
  #btn-theme-toggle i,
  #btn-theme-toggle svg {
    width: 21px !important;
    height: 21px !important;
    min-width: 21px !important;
    min-height: 21px !important;
  }
}

/* Sötét/világos mód gomb (Hold / Nap ikon):
   - Világos módban: Fekete kontúr / körvonal rajta/körülötte
   - Sötét módban: Fehér kontúr / körvonal rajta/körülötte
*/
#btn-theme-toggle {
  background-color: #ffffff !important;
  border: 2px solid #000000 !important;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.08) !important;
}

#btn-theme-toggle:hover {
  background-color: #f1f5f9 !important;
}

#btn-theme-toggle #icon-theme-sun,
#btn-theme-toggle svg.lucide-sun {
  color: #d97706 !important;
  stroke: #d97706 !important;
}

html.dark #btn-theme-toggle,
.dark #btn-theme-toggle {
  background-color: #0f172a !important;
  border: 2px solid #ffffff !important;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.12) !important;
}

html.dark #btn-theme-toggle:hover,
.dark #btn-theme-toggle:hover {
  background-color: #1e293b !important;
}

html.dark #btn-theme-toggle #icon-theme-moon,
.dark #btn-theme-toggle #icon-theme-moon,
html.dark #btn-theme-toggle svg.lucide-moon,
.dark #btn-theme-toggle svg.lucide-moon {
  color: #ffffff !important;
  stroke: #ffffff !important;
}

/* ======================================================== */
/* 8. TABOK, 20 SZAVAS EGYSÉGEK ÉS AI FELADAT STÍLUSOK      */
/* ======================================================== */

.tab-btn.active {
  background-color: #4f46e5 !important;
  color: #ffffff !important;
  box-shadow: 0 4px 12px -2px rgba(79, 70, 229, 0.4) !important;
  font-weight: 700 !important;
}

.mc-option-btn {
  transition: all 0.15s cubic-bezier(0.16, 1, 0.3, 1);
}

.mc-option-btn:hover:not(:disabled) {
  background-color: #334155 !important;
  border-color: #6366f1 !important;
  transform: translateY(-1px);
}

.mc-option-btn.correct {
  background-color: #064e3b !important;
  border-color: #10b981 !important;
  color: #ecfdf5 !important;
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.4) !important;
}

.mc-option-btn.incorrect {
  background-color: #881337 !important;
  border-color: #f43f5e !important;
  color: #fff1f2 !important;
  box-shadow: 0 0 0 2px rgba(244, 63, 94, 0.4) !important;
}

.unit-card-locked {
  opacity: 0.65;
  filter: grayscale(40%);
}

.unit-card-unlocked {
  border-color: rgba(99, 102, 241, 0.3);
}

.unit-card-mastered {
  border-color: rgba(16, 185, 129, 0.4);
  background: linear-gradient(135deg, rgba(6, 78, 59, 0.15) 0%, rgba(15, 23, 42, 0.8) 100%);
}

/* Nagyobb tipográfia az azonnali olvashatóságért (1.4rem - 1.85rem) */
.exercise-sentence-lg {
  font-size: clamp(1.4rem, 3.8vw, 1.85rem) !important;
  line-height: 1.5 !important;
  font-weight: 700 !important;
}

.blank-slot {
  display: inline-block;
  min-width: 90px;
  padding: 0 10px;
  border-bottom: 3px dashed #818cf8;
  color: #a5b4fc;
  font-weight: 800;
  text-align: center;
}

/* Betűkeverő (Word Scramble) stílusok */
.scramble-slot {
  min-width: 44px;
  height: 52px;
  padding: 0 8px;
  border: 2px dashed #475569;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: #ffffff;
  background: rgba(30, 41, 59, 0.4);
  transition: all 0.2s ease;
  user-select: none;
}

.scramble-slot.filled {
  border-style: solid;
  border-color: #6366f1;
  background: #1e1b4b;
  cursor: pointer;
}

.scramble-slot.filled:hover {
  border-color: #f43f5e;
  background: #311328;
  transform: translateY(-2px);
}

.scramble-tile {
  min-width: 46px;
  height: 52px;
  padding: 0 10px;
  border-radius: 14px;
  background: #1e293b;
  border: 2px solid #334155;
  color: #f8fafc;
  font-size: 1.5rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  transition: all 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
}

.scramble-tile:hover {
  background: #4f46e5;
  border-color: #818cf8;
  transform: translateY(-3px) scale(1.05);
}

.scramble-tile.used {
  opacity: 0.2;
  pointer-events: none;
  transform: scale(0.9);
}

/* Gyors Villám-döntő (True or False) stílusok */
.tf-btn {
  min-height: 64px;
  border-radius: 22px;
  font-size: 1.15rem;
  font-weight: 800;
  transition: all 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 10px 20px -5px rgba(0, 0, 0, 0.3);
}

.tf-btn:hover {
  transform: translateY(-2px);
}

.tf-btn:active {
  transform: scale(0.97);
}

/* Kontextus-párosító (Context Matching) kártyák */
.ctx-card {
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
}

.ctx-card:hover:not(.matched) {
  border-color: #6366f1 !important;
  background-color: #1e293b !important;
  transform: translateY(-2px);
}

.ctx-card.selected {
  border-color: #818cf8 !important;
  background-color: #1e1b4b !important;
  box-shadow: 0 0 0 2px rgba(129, 140, 248, 0.6) !important;
}

.ctx-card.matched {
  border-color: #10b981 !important;
  background-color: #064e3b !important;
  opacity: 0.85;
  cursor: default;
  pointer-events: none;
}