/* چیدمان کلی کارت‌ها */
#libraryList {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin: 0;
  justify-content: flex-start;
  align-items: stretch;
}

/* 📦 coumns (mobile-first) */
#libraryList > div {
  flex: 1 1 100%;
  max-width: 100%;
  display: flex;
}

/* deesign of carts */
#libraryList .card {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: linear-gradient(145deg, #142833, #1b3b47, #234b58) !important;
  border-radius: 1.25rem;
  padding: 1.5rem;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
  transition: all 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.05);
  height: auto;
  min-height: 240px;
  position: relative;
  overflow: hidden;
}

#libraryList .card:hover {
   transform: translateY(-6px) scale(1.02);
  box-shadow: 0 8px 18px rgba(0, 255, 179, 0.15);
  border-color: rgba(255, 255, 255, 0.1);
}

/* Light effect on hover */
#libraryList .card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(255,255,255,0.05), transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
}
#libraryList .card:hover::before {
  opacity: 1;
}

/* tite */
#libraryList .card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 1.25rem;
}

/* سط Badge */
#libraryList .badge {
  font-size: 0.75rem;
  padding: 0.35em 0.6em;
  border-radius: 0.5rem;
  background-color: #0d6efd;
}

/* description */
#libraryList p.text-secondary {
  font-size: 0.85rem;
  line-height: 1.5;
  color: #dddbdb;
  margin-bottom: 1rem;
}

/* progress bar */
#libraryList .progress {
  height: 8px;
  border-radius: 6px;
  background-color: #afabab;
  overflow: hidden;
  margin-bottom: 1.45rem;
}
#libraryList .progress-bar {
  border-radius: 6px;
  transition: width 0.4s ease;
}

/* Stats below the progress bar */
#libraryList .small {
  font-size: 0.8rem;
  color: #d6d4d4;
}

/* Buttons */
#libraryList .btn {
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 0.75rem;
  padding: 0.45rem 0.75rem;
  transition: all 0.25s ease;
  border: none;
  margin-top: 1.25rem;
}

#libraryList .btn-primary {
  background: linear-gradient(135deg, #007bff, #00c2ff);
  color: #fff;
}
#libraryList .btn-secondary {
  background: linear-gradient(135deg, #7d8a96, #4a4a4a);
  color: #fff;
}

#libraryList .btn:hover {
  transform: translateY(-2px);
  opacity: 0.9;
}

/* Spacing between buttons */
#libraryList .d-flex.flex-wrap.gap-2 {
  gap: 0.5rem;
}

/*  mobile */
@media (max-width: 767px) {
  #libraryList {
    padding: 0 0.75rem;
  }

  #libraryList > div {
    flex: 1 1 100%;
    max-width: 100%;
  }

  #libraryList .card {
    padding: 1.25rem;
    min-height: 220px;
    border-radius: 1rem;
    background: linear-gradient(145deg, #1b1b1b, #262626);
  }

  #libraryList .card-title {
    font-size: 1rem;
  }

  #libraryList p,
  #libraryList span,
  #libraryList button {
    font-size: 0.85rem;
  }

  #libraryList .progress {
    height: 5px;
  }
}

/*  Desktop  */
@media (min-width: 768px) {
  #libraryList > div {
    flex: 1 1 calc(50% - 1.5rem);
    max-width: calc(50% - 1.5rem);
  }
}
@media (min-width: 992px) {
  #libraryList > div {
    flex: 1 1 calc(33.333% - 1.5rem);
    max-width: calc(33.333% - 1.5rem);
  }
}

#libraryList .btn,
#libraryList button {
  cursor: pointer !important;
  z-index: 5;
  position: relative;
  pointer-events: auto !important;
}

/* Proper spacing for title, paragraph, and buttons on mobile */
@media (max-width: 767px) {
  #library h2,
  #library p,
  #library .d-flex.justify-content-between {
    padding: 0 0.75rem !important;
  }

  #library h2 {
    font-size: 1.2rem !important;
  }

  #library p {
    font-size: 0.9rem !important;
    line-height: 1.5;
  }

  #library .btn {
    font-size: 0.9rem !important;
  }
}

/* Proper grid setup for Library: 3-2-1 cards layout */
#library.section.active-section {
  display: flex !important;
  flex-wrap: wrap !important;
  margin-left: -0.75rem;
  margin-right: -0.75rem;
}

#library > .col-lg-4,
#library > .col-md-6,
#library > .col-12 {
  display: flex;
  padding-left: 0.75rem;
  padding-right: 0.75rem;
}

/* Ensure correct size for each card */
@media (min-width: 992px) {
  #library > .col-lg-4 { flex: 0 0 33.3333%; max-width: 33.3333%; }
}

@media (min-width: 768px) and (max-width: 991.98px) {
  #library > .col-md-6 { flex: 0 0 50%; max-width: 50%; }
}

@media (max-width: 767.98px) {
  #library > .col-12 { flex: 0 0 100%; max-width: 100%; }
}

/*  Carts of Author section */
#author .card {
  background: rgba(20, 40, 50, 0.35) !important; 
  border: 1px solid rgba(255, 255, 255, 0.08) !important;
  border-radius: 1rem !important;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35) !important;
  backdrop-filter: blur(10px) saturate(140%) !important;
  -webkit-backdrop-filter: blur(10px) saturate(140%) !important;
  color: #e9f1f5 !important;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

#author .card:hover {
  transform: translateY(-6px);
  background: rgba(30, 60, 70, 0.45) !important;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.45) !important;
}

/* Cart title */
#author .card-title {
  color: #ffffff !important;
}

/* Inputs and text areas */
#author input,
#author textarea,
#author select {
  background: rgba(40, 60, 70, 0.35) !important;
  color: #fff !important;
  border: 1px solid rgba(255, 255, 255, 0.15) !important;
  border-radius: 0.75rem !important;
  transition: border-color 0.2s ease, background 0.2s ease;
}

#author input:focus,
#author textarea:focus,
#author select:focus {
  border-color: #00ffcc !important;
  background: rgba(40, 80, 90, 0.45) !important;
  outline: none !important;
}

/* Background for Flashcards and Quiz items in Author */
#author #flashcarsdContainer .flashcard-row,
#author #quizContainer .quiz-card {
  background: linear-gradient(135deg, #1a2b32, #223d4a, #2c5364);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #fff;
  border-radius: 1rem;
  padding: 1rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  transition: all 0.3s ease;
}

/* Hover effect */
#author #flashcardsContainer .flashcard-row:hover,
#author #quizContainer .quiz-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 18px rgba(0,0,0,0.4);
}

#author .form-control::placeholder {
  color: rgba(199, 196, 196, 0.5);
}

#author .form-control:focus,
#author .form-select:focus {
  border-color: #00c2ff !important;
  box-shadow: 0 0 0 0.2rem rgba(0, 194, 255, 0.25);
}

/* Adjust height and spacing of Flashcard cards on mobile */
@media (max-width: 768px) {
  #flashcardContainer .card {
    min-height: auto !important;
    height: auto !important;
    padding: 1rem !important;
    margin-bottom: 1rem !important;
  }

/* Spacing between cards and their inner content */
  #flashcardsContainer {
    gap: 0.75rem !important;
  }

  /* Keep text centered inside cards */
  #flashcardsContainer .card-body {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
}

.flashcard-row:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.4);
}

.flashcard-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, #1b2a30, #233b44, #2c5364);
  border-radius: 10px;
  padding: 10px 15px;
  margin-bottom: 12px;
  flex-wrap: wrap; /* برای موبایل */
}

.flashcard-row input {
  flex: 1 1 40%;
  min-width: 140px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 8px;
}

.flashcard-row input::placeholder {
  color: #bbb;
}

.flashcard-row .removeCard {
  background: #e74c3c;
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
  transition: background 0.2s;
}

.flashcard-row .removeCard:hover {
  background: #c0392b;
}

/* For small screen sizes */
@media (max-width: 768px) {
  .flashcard-row {
    flex-direction: column;
    align-items: stretch;
  }

  .flashcard-row .removeCard {
    width: 100%;
  }
}

/* --- Tabs of learn --- */
.tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;

}

.tab {
  padding: 10px;
  color: #c9d1d9;
  cursor: pointer;
}

/* --- Tab Content --- */
.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

#capsuleSelect{
  background-color: #41794c;
  color: #e9f1f5;
  width: 150px;
  max-height: 40px;
}

/* --- Quiz --- */
/* .quiz-box {
  text-align: center;
  background-color: #161b22;
  border-radius: 10px;
  padding: 20px;
} */

#learn .note-box,
#learn .flashcard,
#learn .quiz-box {
  background: linear-gradient(135deg, #1a2b32, #223d4a, #2c5364);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #fff;
  border-radius: 1rem;
  padding: 1rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  transition: all 0.3s ease;
}

/* Hover effect */
#learn .note-box:hover,
#learn .flashcard:hover,
#learn .quiz-box:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 18px rgba(0,0,0,0.4);
}

#learn .tab-content {
  display: none;
  opacity: 0;
  transition: opacity 0.4s ease;
}

#learn .tab-content.active {
  display: block;
}

#learn .tab-content.fade-in {
  opacity: 1;
}


/* --- Flashcards Layout --- */
.flashcard-wrapper {
  border-radius: 16px;
  padding: 20px;
  color: #fff;
  text-align: center;
  box-shadow: 0 0 15px rgba(0, 255, 150, 0.1);
  max-width: 600px;
  margin: 20px auto;
}

.flashcard-wrapper:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.4);
}

.flashcard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #aaa;
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.flashcard-view {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.flashcard-box {
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 12px;
  width: 80%;
  min-height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: transform 0.5s ease, background 0.5s;
  cursor: pointer;
}

.flashcard-box.flipped {
  transform: rotateY(180deg);
  background: #21262d;
}

.nav-btn {
  background: transparent;
  border: none;
  color: #999;
  font-size: 1.5rem;
  cursor: pointer;
  transition: color 0.2s;
}
.nav-btn:hover {
  color: #00ff99;
}

.flashcard-actions {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 15px;
}

.flashcard-actions button {
  padding: 8px 16px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  font-weight: 500;
}

.btn-known {
  background: #238636;
  color: white;
}

.btn-unknown {
  background: #30363d;
  color: #ffcc00;
}
.btn-unknown:hover {
  background: #444;
}
.btn-known:hover {
  background: #2ea043;
}

.quiz-card {
  background: rgba(20, 40, 50, 0.35) !important; 
  border-radius: 16px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  padding: 20px;
  max-width: 600px;
  margin: 0 auto;
  transition: all 0.3s ease;
   backdrop-filter: blur(10px) saturate(140%) !important;
  -webkit-backdrop-filter: blur(10px) saturate(140%) !important;
  color: #e9f1f5 !important;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.quiz-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 25px rgba(0,0,0,0.5);
}

.quiz-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 15px;
  color: #555;
  font-weight: bold;
}

.quiz-question {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

/* Options */
.quiz-choices {
  list-style: none;
  padding: 0;
}

.quiz-choices li {
  margin-bottom: 10px;
}

.choice-btn {
  width: 100%;
  padding: 10px;
  border-radius: 10px;
  border: 2px solid transparent;
  background: linear-gradient(135deg, #1a2b32, #223d4a, #2c5364);
  cursor: pointer;
  transition: 0.2s;
}

.choice-btn:hover {
  background: rgba(30, 60, 70, 0.45) !important;
  box-shadow: 0 0 0 0.2rem rgba(0, 194, 255, 0.25);
  transform: translateY(-3px);
}

.choice-btn.correct {
  background: #d4edda;
  border-color: #28a745;
}

.choice-btn.wrong {
  background: #f8d7da;
  border-color: #dc3545;
}

.quiz-footer {
  text-align: right;
}

.quiz-footer button {
  padding: 8px 16px;
  border-radius: 8px;
  border: none;
  background: #007bff;
  color: white;
  font-weight: bold;
  cursor: pointer;
}

.quiz-result {
  text-align: center;
  padding: 20px;
  background: #cee2ec;
}

.quiz-result h3 {
  color: #28a745;
}

.retry-btn {
  display: inline-block;
  background: linear-gradient(135deg, #00bcd4, #0097a7);
  color: #fff;
  font-size: 1.1rem;
  font-weight: 600;
  border: none;
  padding: 14px 28px;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 6px 15px rgba(0,0,0,0.2);
  margin-top: 25px;
}

.retry-btn:hover {
  background: linear-gradient(135deg, #26c6da, #00acc1);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.25);
}

.retry-btn:active {
  transform: scale(0.96);
}

/* quiz result */
.quiz-result {
  text-align: center;
  background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
  padding: 40px;
  border-radius: 20px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.1);
  animation: fadeIn 0.6s ease-in-out;
}

.quiz-result h3 {
  color: #2e7d32;
  font-size: 2rem;
  margin-bottom: 12px;
}

.quiz-result p {
  font-size: 1.1rem;
  color: #efe9e9;
  margin: 6px 0;
}

.score-display {
  font-weight: bold;
  color: #e8ecef;
  font-size: 1.2rem;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}