body.no-scroll {
  overflow: hidden !important;
}

.course-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 1rem 1rem 5rem 1rem;
}

.main-content h2,
.main-content h3,
.main-content h4 {
  font-family: var(--font-headings);
  font-weight: 600;
  color: var(--text-headings);
}

.main-content h2 {
  font-size: 1.8rem;
  margin: 0 0 1rem 0;
}

.main-content h2 .concept-number {
  color: var(--primary-accent);
}

.sub-concept-title,
.main-content h4 {
  font-size: 1.3rem;
  margin: 2.5rem 0 1.5rem 0;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.main-content p,
.main-content ol,
.main-content ul {
  line-height: 1.75;
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
}

.main-content ol,
.main-content ul {
  padding-left: 25px;
}

.main-content li {
  margin-bottom: 0.8rem;
  padding-left: 0.5rem;
}

.main-content li::marker {
  color: var(--primary-accent);
  font-weight: 600;
}

.concept-section,
.content-block {
  margin-top: 3rem;
  background-color: var(--bg-content);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-default);
}
.concept-section:hover,
.content-block:hover {
  box-shadow: var(--shadow-md);
}
.concept-section {
  padding: clamp(1.5rem, 5vw, 2.5rem);
}

.content-block .block-header {
  padding: 1.5rem;
  background: var(--bg-alt);
}
.content-block .block-header h2 {
  font-size: 1.5rem;
}

.content-block .block-content {
  padding: 1.5rem;
}

.grid-two-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
  padding: 1rem 0;
}

.grid-item {
  background: var(--bg-content);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease;
}

.grid-item:hover {
  transform: translateY(-4px);
}
.grid-item strong {
  font-size: 1.1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
  color: var(--text-headings);
}
.grid-item code {
  background: var(--primary-light);
  color: var(--primary-accent);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
}

@media (min-width: 768px) {
  .course-container {
    padding: 2rem 1.5rem 6rem 1.5rem;
  }
  .content-block .block-content {
    padding: 2.5rem;
  }
}

.btn-primary,
.btn-secondary,
.validation-btn,
.toggle-solution-btn,
.retry-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  font-family: var(--font-headings);
  font-weight: 600;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all 0.2s ease-in-out;
  border: 2px solid transparent;
  padding: 0.75rem 1.5rem;
  text-decoration: none;
}
.btn-primary:hover,
.btn-secondary:hover,
.validation-btn:hover,
.toggle-solution-btn:hover,
.retry-button:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}
.btn-primary {
  color: var(--text-on-accent);
  background: var(--gradient-primary);
  box-shadow: var(--shadow-accent);
  margin: 1rem 0;
}
.btn-secondary,
.toggle-solution-btn {
  color: var(--primary-accent);
  background-color: var(--primary-light);
  border-color: var(--primary-light);
}
.btn-secondary:hover,
.toggle-solution-btn:hover {
  background-color: var(--primary-accent);
  color: var(--text-on-accent);
  border-color: var(--primary-accent);
}
.toggle-solution-btn {
  margin-top: 1.5rem;
}

.info-box,
.tip-box {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin: 2rem 0;
  padding: 1.5rem;
  border-radius: var(--border-radius-lg);
  border-width: 1px;
  border-style: solid;
}
.info-box-icon {
  margin-top: 3px;
}
.info-box-content h5 {
  font-family: var(--font-headings);
  font-size: 1.15rem;
  margin: 0 0 0.5rem 0;
  color: var(--text-headings);
}
.info-box-content p {
  font-size: 1rem;
  margin: 0;
}
.info-box {
  background-color: var(--info-bg);
  border-color: var(--info-border);
}
.info-box .lucide {
  stroke: var(--info-color);
}
.tip-box {
  background-color: var(--warning-bg);
  border-color: var(--warning-border);
}
.tip-box .lucide {
  stroke: var(--warning-color);
}

.image-placeholder-container {
  margin: 2.5rem 0;
}
.image-placeholder-container img {
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
}
.image-placeholder-container.zoomable img {
  cursor: zoom-in;
  transition: opacity 0.2s ease-in-out;
}
.image-placeholder-container.zoomable img:hover {
  opacity: 0.85;
}
.image-placeholder-container figcaption {
  text-align: center;
  font-style: italic;
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-top: 0.75rem;
  line-height: 1.5;
}

.code-card {
  background-color: #282c34;
  border-radius: var(--border-radius-lg);
  margin: 2rem 0;
  overflow: hidden;
}
.code-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  background-color: #21252b;
  border-bottom: 1px solid #181a1f;
}
.code-card-header .code-title {
  font-size: 0.9rem;
  color: #abb2bf;
  font-family: var(--font-code);
}
.code-card-toolbar {
  display: flex;
  gap: 0.5rem;
}
.toolbar-button {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  padding: 0;
  color: #abb2bf;
  background-color: transparent;
  border: none;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
}
.toolbar-button .lucide {
  width: 18px;
  height: 18px;
}
.toolbar-button span {
  display: none;
}
.toolbar-button:hover {
  background-color: #3e4451;
  color: #fff;
  transform: none;
  box-shadow: none;
}
.toolbar-button.btn-copy:hover {
  color: var(--primary-accent);
  background-color: var(--primary-light);
}
.code-card-content pre {
  margin: 0 !important;
  padding: 1.5rem !important;
  background: transparent !important;
}
.code-card-content code[class*="language-"] {
  padding: 0 !important;
}

.modal-overlay,
.image-modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(5px);
  padding: 1rem;
  justify-content: center;
  align-items: center;
}
.modal-content {
  position: relative;
  background-color: var(--bg-content);
  color: var(--text-primary);
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-xl);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  animation: modal-fade-in 0.3s ease-out;
}
.modal-close {
  position: absolute;
  top: 10px;
  right: 15px;
  font-size: 2rem;
  font-weight: bold;
  color: var(--text-color-secondary);
  cursor: pointer;
  line-height: 1;
  transition: color 0.2s ease;
}
.modal-close:hover {
  color: var(--danger-color);
}
.modal-content h2 {
  font-family: var(--font-headings);
  font-size: 1.6rem;
  margin-top: 0;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-headings);
}

.modal-steps {
  list-style-type: none;
  padding-left: 0;
  counter-reset: step-counter;
  margin-bottom: 2rem;
}
.modal-steps li {
  counter-increment: step-counter;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
}
.modal-steps li::before {
  content: counter(step-counter);
  font-weight: 700;
  font-size: 1rem;
  background: var(--primary-accent);
  color: var(--text-on-accent);
  border-radius: 50%;
  width: 28px;
  height: 28px;
  min-width: 28px;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  margin-top: -2px;
}
.modal-image {
  margin-top: 1.5rem;
  text-align: center;
}
.modal-image img {
  max-width: 100%;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
}
.modal-image figcaption {
  font-size: 0.9rem;
  color: var(--text-color-secondary);
  margin-top: 0.5rem;
  font-style: italic;
}

.image-modal-overlay {
  z-index: 2000;
  background-color: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  flex-direction: column;
  padding: 20px;
}
.image-modal-content {
  margin: auto;
  display: block;
  max-width: 90%;
  max-height: 80%;
  border-radius: var(--border-radius-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  animation: zoomIn 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}
.image-modal-caption {
  margin-top: 15px;
  color: #ccc;
  text-align: center;
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.8);
  animation: fadeIn 0.5s 0.2s ease-in-out forwards;
  opacity: 0;
}
#closeImageModal {
  z-index: 2010;
  color: rgba(255, 255, 255, 0.8);
  font-size: 2.5rem;
}
#closeImageModal:hover {
  color: #fff;
}

.modal-content.large {
  max-width: 800px;
}
.progress-details-container {
  margin-top: 1.5rem;
  max-height: 60vh;
  overflow-y: auto;
  padding-right: 10px;
}
.progress-module-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px;
  border-radius: 8px;
  background-color: var(--background-secondary);
  margin-bottom: 10px;
  border: 1px solid var(--border-color);
  gap: 1rem;
}
.progress-module-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}
.progress-module-info {
  display: flex;
  align-items: center;
  gap: 15px;
  flex-grow: 1;
  flex-shrink: 1;
  min-width: 0;
}
.progress-module-info .lucide {
  color: var(--text-color-secondary);
}
.progress-module-name {
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.progress-module-status {
  display: flex;
  align-items: center;
  gap: 15px;
  flex-shrink: 0;
}
.progress-badge {
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 5px;
}
.progress-badge.validated {
  background-color: var(--success-bg);
  color: var(--success-color);
}
.progress-badge.not-validated {
  background-color: var(--warning-bg);
  color: var(--warning-color);
}
.progress-badge.no-quiz {
  background-color: var(--background-tertiary);
  color: var(--text-color-secondary);
}
.progress-badge.info {
  background-color: var(--background-tertiary, #e9ecef);
  color: var(--text-color-secondary, #6c757d);
}

@media (max-width: 640px) {
  .modal-content {
    padding: 1.5rem;
  }
  .modal-content h2 {
    font-size: 1.4rem;
  }
}

.course-hero-card {
  background-color: var(--bg-content);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  margin-bottom: 3rem;
  box-shadow: var(--shadow-md);
  text-align: center;
  border-top: 4px solid var(--primary-accent);
}
@media (min-width: 768px) {
  .course-hero-card {
    padding: 2.5rem 3rem;
  }
}
.hero-title-group .header-icon-wrapper {
  margin: 0 auto 1.5rem auto;
}
.hero-title-group .header-icon-wrapper svg {
  width: 40px;
  height: 40px;
  stroke-width: 2.2;
}
.hero-title-group h1 {
  font-size: clamp(2rem, 5vw, 2.8rem);
}
.hero-title-group .subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.2rem);
  max-width: 60ch;
  margin: 1rem auto 0 auto;
  color: var(--text-secondary);
}

.dropdown-menu {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 5px;
}
.user-dropdown.active .dropdown-menu {
  display: flex;
}
.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 15px;
  font-family: "Poppins", sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  text-align: left;
  background-color: transparent;
  color: var(--text-color);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.2s ease-in-out, color 0.2s ease-in-out;
}
.dropdown-item i {
  width: 18px;
  text-align: center;
  color: inherit;
  transition: color 0.2s ease-in-out;
}
.dropdown-item:hover {
  background-color: var(--background-secondary);
}
#progressBtn {
  color: var(--primary-color, #0d6efd);
}
#progressBtn:hover {
  background-color: rgba(13, 110, 253, 0.1);
}
#logoutBtn {
  color: var(--danger-color, #dc3545);
}
#logoutBtn:hover {
  background-color: rgba(220, 53, 69, 0.1);
  color: var(--danger-color-dark, #b02a37);
}

.validation-buttons {
  display: flex;
  margin-top: 1.5rem;
}
.validation-btn {
  flex: 1;
  font-size: 1rem;
}
.validation-btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.validation-feedback {
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  border-radius: var(--border-radius-md);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.6;
  border: 1px solid transparent;
}
.validation-feedback.positive {
  background-color: var(--success-bg, #e6f9ee);
  color: var(--success-color, #2e7d32);
  border-color: var(--success-color, #2e7d32);
}
.validation-feedback.negative,
.validation-feedback.info {
  background-color: var(--danger-bg, #fdebec);
  color: var(--danger-color, #c62828);
  border-color: var(--danger-color, #c62828);
}

.exercise-note {
  background: var(--bg-alt);
  border: none;
  border-left: 4px solid var(--primary-accent);
  border-radius: var(--border-radius-md);
  padding: 1.5rem;
  margin-bottom: 2rem;
}
.exercise-note strong {
  color: var(--primary-accent);
}
.toggle-solution-btn {
  margin-top: 1.5rem;
}
.solution-content {
  margin-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  display: none;
}
.solution-content.visible {
  display: block;
}

.section-box.quiz {
  padding: 2rem;
}
.section-box.quiz h4 {
  font-family: var(--font-headings);
  font-size: 1.4rem;
  color: var(--primary-accent);
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.quiz-question {
  padding: 1.5rem;
  margin-bottom: 2rem;
  background-color: var(--bg-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  transition: box-shadow var(--transition-default);
}
.quiz-question:hover {
  box-shadow: var(--shadow-sm);
}
.quiz-question p {
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--text-headings);
  margin-bottom: 1rem;
}
.quiz-options {
  list-style-type: none;
  padding-left: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.quiz-options li {
  position: relative;
  padding: 1rem 1.25rem;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-md);
  font-weight: 500;
  background-color: var(--bg-content);
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.2s ease;

  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
.quiz-options li:hover:not(.correct):not(.wrong):not(.pre-selected) {
  background-color: var(--primary-light);
  border-color: var(--primary-accent);
}
.quiz-options li.pre-selected {
  border-color: var(--primary-accent);
  background-color: var(--primary-light);
}
.quiz-options li.pre-selected::after {
  content: "✔";
  font-weight: bold;
  font-size: 1.2rem;
  position: absolute;
  top: 50%;
  right: 1.25rem;
  transform: translateY(-50%);
  color: var(--primary-accent);
  background-color: white;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: pulse 1.2s infinite;
}
.quiz-options li.correct {
  font-weight: 600;
  background-color: var(--success-bg);
  border-color: var(--success-color);
  color: var(--success-color);
}

.quiz-options li.incorrect {
  font-weight: 600;
  background-color: var(--danger-bg);
  border-color: var(--danger-color);
  color: var(--danger-color);
}
.quiz-feedback {
  display: none;
  padding: 1rem;
  margin-top: 1rem;
  font-size: 0.95rem;
  text-align: center;
  border-radius: var(--border-radius-md);
  opacity: 0;
  transition: opacity var(--transition-default);
}
.quiz-feedback.visible {
  display: block;
  opacity: 1;
}
.quiz-feedback.correct {
  color: var(--success-color);
  background-color: var(--success-bg, #e6f9ee);
  border: 1px solid var(--success-color);
}
.quiz-feedback.incorrect {
  color: var(--danger-color);
  background-color: var(--danger-bg, #fdebec);
  border: 1px solid var(--danger-color);
}
.quiz-score-box {
  padding: 1.5rem;
  margin-top: 2.5rem;
  font-size: 1rem;
  background-color: var(--primary-light);
  border-left: 4px solid var(--primary-accent);
  border-radius: var(--border-radius-md);
  text-align: center;
}
.quiz-score-box h5 {
  margin-bottom: 0.75rem;
  font-family: var(--font-headings);
  font-size: 1.1rem;
  color: var(--primary-accent);
}
.retry-button {
  color: var(--primary-accent);
  background-color: var(--primary-light);
  border-color: var(--primary-light);
  margin: 1.5rem auto 0 auto;
}
.retry-button:hover {
  background-color: var(--primary-accent);
  color: var(--text-on-accent);
  border-color: var(--primary-accent);
}

.quiz-cert-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

/* Dans cours.css, ajoutez ceci à la fin ou près de la section .section-box.quiz */

.quiz-instruction {
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: var(--info-bg);
  color: var(--text-primary);
  border-left: 4px solid var(--info-color);
  padding: 12px 16px;
  border-radius: var(--border-radius-md);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  animation: fadeIn 0.5s ease;
}

.quiz-instruction i {
  color: var(--info-color);
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

.quiz-instruction strong {
  color: var(--info-color);
  font-weight: 600;
}
.tab-btn {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
}
.tab-btn.active {
  background-color: var(--accent);
  color: var(--accent-text);
  border-color: var(--accent);
}
.tab-btn.locked {
  opacity: 0.5;
  cursor: not-allowed;
}
.certificate-display-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  padding: 2rem 1rem;
  background: var(--background-color, #fdfdfd);
}
.certificate {
  width: 100%;
  max-width: 960px;
  padding: 2.5rem;
  border: 3px solid #d4af37;
  border-radius: 8px;
  background-color: #fff;
  text-align: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  position: relative;
}
.certificate::before {
  content: "";
  position: absolute;
  top: 12px;
  left: 12px;
  right: 12px;
  bottom: 12px;
  border: 1px solid #e8d5a3;
  border-radius: 4px;
  pointer-events: none;
}
.certificate h1 {
  font-family: Georgia, serif;
  font-size: 1.8rem;
  font-weight: bold;
  color: #b4931c;
  margin-bottom: 0.5rem;
}
.certificate .sub {
  font-style: italic;
  font-size: 0.95rem;
  color: #555;
  margin-bottom: 1rem;
}
.certificate .recipient {
  text-transform: uppercase;
  font-weight: bold;
  font-size: 0.9rem;
  letter-spacing: 1px;
  margin-top: 1rem;
}
.certificate h2 {
  font-family: Georgia, serif;
  font-style: italic;
  font-size: 1.6rem;
  color: #000;
  margin: 0.4rem 0 1.2rem;
}
.certificate .description {
  font-size: 0.95rem;
  color: #333;
}
.certificate .course-title {
  color: #3a52c4;
  font-weight: bold;
  font-size: 1rem;
  margin: 0.5rem 0 1.5rem;
}
.certificate .date-line {
  font-size: 0.9rem;
  color: #444;
}
.certificate .signature-section {
  margin-top: 2rem;
}
.signature-line {
  width: 120px;
  height: 1px;
  background: #bbb;
  margin: 0 auto 0.4rem;
}
.certificate .signature p {
  margin: 0;
  font-weight: bold;
  color: #333;
}
#downloadCertBtn {
  margin-top: 1.5rem;
  align-self: center;
}
@media (max-width: 600px) {
  .certificate {
    padding: 1.5rem;
    font-size: 0.9rem;
  }
  .certificate h1 {
    font-size: 1.4rem;
  }
  .certificate h2 {
    font-size: 1.3rem;
  }
  .certificate .course-title {
    font-size: 0.95rem;
  }
  #downloadCertBtn {
    width: 100%;
  }
}

.loading-spinner,
.spin {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}
@keyframes modal-fade-in {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}
@keyframes zoomIn {
  from {
    transform: scale(0.8);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}
@keyframes fadeIn {
  to {
    opacity: 1;
  }
}
@keyframes pulse {
  0% {
    transform: translateY(-50%) scale(1);
    box-shadow: 0 0 0 0 rgba(13, 110, 253, 0.4);
  }
  70% {
    transform: translateY(-50%) scale(1);
    box-shadow: 0 0 0 10px rgba(13, 110, 253, 0);
  }
  100% {
    transform: translateY(-50%) scale(1);
    box-shadow: 0 0 0 0 rgba(13, 110, 253, 0);
  }
}

/* Daily Challenge & Leaderboard */
.daily-hero-card {
    border-top-color: #ffd700; /* Gold for trophy */
}

.daily-layout {
    display: grid;
    gap: 2rem;
}

@media (min-width: 992px) {
    .daily-layout {
        grid-template-columns: 1fr 1fr;
    }
}

.daily-challenge-box {
    background: var(--bg-alt);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    text-align: center;
}

.daily-options-grid {
    display: grid;
    gap: 1rem;
    margin: 1.5rem 0;
}

.daily-option-btn {
    padding: 1rem;
    background: var(--bg-content);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.2s;
    width: 100%;
    text-align: left;
    color: var(--text-primary);
}

.daily-option-btn:hover:not(:disabled) {
    border-color: var(--primary-accent);
    background: var(--primary-light);
}

.daily-option-btn.correct {
    background: var(--success-bg);
    border-color: var(--success-color);
    color: var(--success-color);
}

.daily-option-btn.incorrect {
    background: var(--danger-bg);
    border-color: var(--danger-color);
    color: var(--danger-color);
}

.leaderboard-container {
    overflow-x: auto;
}

.leaderboard-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-content);
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.leaderboard-table th,
.leaderboard-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.leaderboard-table th {
    background: var(--bg-alt);
    font-weight: 600;
    color: var(--text-headings);
}

.leaderboard-table tr:last-child td {
    border-bottom: none;
}

.leaderboard-rank {
    font-weight: bold;
    color: var(--primary-accent);
}

.leaderboard-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.leaderboard-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.certificate .signature-section {
  margin-top: 2rem;
}
.signature-line {
  width: 120px;
  height: 1px;
  background: #bbb;
  margin: 0 auto 0.4rem;
}
.certificate .signature p {
  margin: 0;
  font-weight: bold;
  color: #333;
}
#downloadCertBtn {
  margin-top: 1.5rem;
  align-self: center;
}
@media (max-width: 600px) {
  .certificate {
    padding: 1.5rem;
    font-size: 0.9rem;
  }
  .certificate h1 {
    font-size: 1.4rem;
  }
  .certificate h2 {
    font-size: 1.3rem;
  }
  .certificate .course-title {
    font-size: 0.95rem;
  }
  #downloadCertBtn {
    width: 100%;
  }
}

.loading-spinner,
.spin {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}
@keyframes modal-fade-in {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}
@keyframes zoomIn {
  from {
    transform: scale(0.8);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}
@keyframes fadeIn {
  to {
    opacity: 1;
  }
}
@keyframes pulse {
  0% {
    transform: translateY(-50%) scale(1);
    box-shadow: 0 0 0 0 rgba(13, 110, 253, 0.4);
  }
  70% {
    transform: translateY(-50%) scale(1);
    box-shadow: 0 0 0 10px rgba(13, 110, 253, 0);
  }
  100% {
    transform: translateY(-50%) scale(1);
    box-shadow: 0 0 0 0 rgba(13, 110, 253, 0);
  }
}

/* Daily Challenge & Leaderboard */
.daily-hero-card {
    border-top-color: #ffd700; /* Gold for trophy */
}

.daily-layout {
    display: grid;
    gap: 2rem;
}

@media (min-width: 992px) {
    .daily-layout {
        grid-template-columns: 1fr 1fr;
    }
}

.daily-challenge-box {
    background: var(--bg-alt);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    text-align: center;
}

.daily-options-grid {
    display: grid;
    gap: 1rem;
    margin: 1.5rem 0;
}

.daily-option-btn {
    padding: 1rem;
    background: var(--bg-content);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.2s;
    width: 100%;
    text-align: left;
    color: var(--text-primary);
}

.daily-option-btn:hover:not(:disabled) {
    border-color: var(--primary-accent);
    background: var(--primary-light);
}

.daily-option-btn.correct {
    background: var(--success-bg);
    border-color: var(--success-color);
    color: var(--success-color);
}

.daily-option-btn.incorrect {
    background: var(--danger-bg);
    border-color: var(--danger-color);
    color: var(--danger-color);
}

.leaderboard-container {
    overflow-x: auto;
}

.leaderboard-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-content);
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.leaderboard-table th,
.leaderboard-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.leaderboard-table th {
    background: var(--bg-alt);
    font-weight: 600;
    color: var(--text-headings);
}

.leaderboard-table tr:last-child td {
    border-bottom: none;
}

.leaderboard-rank {
    font-weight: bold;
    color: var(--primary-accent);
}

.leaderboard-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.leaderboard-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.leaderboard-score {
    font-weight: bold;
    color: var(--success-color);
}

/* --- TOOLBOX STYLES --- */

.toolbox-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.toolbox-tab {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-md);
    transition: all 0.2s;
}

.toolbox-tab:hover {
    background: var(--bg-alt);
    color: var(--text-primary);
}

.toolbox-tab.active {
    background: var(--primary-light);
    color: var(--primary-accent);
}

/* Responsive pour les onglets de la boîte à outils */
@media (max-width: 768px) {
    .toolbox-tabs {
        overflow-x: auto;
        overflow-y: hidden;
        gap: 0.5rem;
        padding-bottom: 0.8rem;
        margin-bottom: 1.5rem;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
    }

    .toolbox-tabs::-webkit-scrollbar {
        height: 4px;
    }

    .toolbox-tabs::-webkit-scrollbar-track {
        background: var(--bg-alt);
        border-radius: 2px;
    }

    .toolbox-tabs::-webkit-scrollbar-thumb {
        background: var(--primary-accent);
        border-radius: 2px;
    }

    .toolbox-tab {
        font-size: 0.95rem;
        padding: 0.4rem 0.8rem;
        flex-shrink: 0;
        white-space: nowrap;
    }
}

@media (max-width: 480px) {
    .toolbox-tabs {
        gap: 0.4rem;
    }

    .toolbox-tab {
        font-size: 0.85rem;
        padding: 0.4rem 0.7rem;
        gap: 0.3rem;
    }

    .toolbox-tab i {
        width: 1.1em;
        height: 1.1em;
    }
}

/* Snippets Grid */
.snippets-filter {
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

#snippetSearch {
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background: var(--bg-content);
    color: var(--text-primary);
    font-size: 1rem;
}

.filter-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.filter-tag {
    background: var(--bg-alt);
    border: 1px solid var(--border-color);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.filter-tag:hover, .filter-tag.active {
    background: var(--primary-accent);
    color: white;
    border-color: var(--primary-accent);
}

.snippets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.snippet-card {
    background: var(--bg-content);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.snippet-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-accent);
}

.snippet-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.snippet-header h3 {
    margin: 0;
    font-size: 1.1rem;
}

.badge {
    font-size: 0.75rem;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-weight: bold;
    text-transform: uppercase;
}

.badge.base { background: #e3f2fd; color: #1976d2; }
.badge.player { background: #e8f5e9; color: #2e7d32; }
.badge.physics { background: #fff3e0; color: #f57c00; }
.badge.ui { background: #f3e5f5; color: #7b1fa2; }
.badge.effects { background: #fce4ec; color: #c2185b; }

.snippet-usage {
    background: var(--bg-alt);
    padding: 0.6rem 0.8rem;
    border-radius: 6px;
    font-size: 0.85rem;
    margin-bottom: 0.8rem;
    border-left: 3px solid var(--primary-accent);
    color: var(--text-primary);
}

.snippet-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.snippet-card pre {
    margin: 0 0 1rem 0;
    max-height: 300px;
    overflow: auto;
    position: relative;
    border-radius: var(--border-radius-md);
    scrollbar-width: thin;
    scrollbar-color: var(--primary-accent) var(--bg-alt);
}

.snippet-card pre::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.snippet-card pre::-webkit-scrollbar-track {
    background: var(--bg-alt);
    border-radius: 4px;
}

.snippet-card pre::-webkit-scrollbar-thumb {
    background: var(--primary-accent);
    border-radius: 4px;
}

.snippet-card pre::-webkit-scrollbar-thumb:hover {
    background: var(--primary-hover);
}

/* Même style pour les templates */
.template-card pre {
    margin: 0 0 1rem 0;
    max-height: 400px;
    overflow: auto;
    position: relative;
    border-radius: var(--border-radius-md);
    scrollbar-width: thin;
    scrollbar-color: var(--primary-accent) var(--bg-alt);
}

.template-card pre::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.template-card pre::-webkit-scrollbar-track {
    background: var(--bg-alt);
    border-radius: 4px;
}

.template-card pre::-webkit-scrollbar-thumb {
    background: var(--primary-accent);
    border-radius: 4px;
}

.template-card pre::-webkit-scrollbar-thumb:hover {
    background: var(--primary-hover);
}

/* Style pour les error cards aussi */
.error-card pre {
    margin: 0.5rem 0 1rem 0;
    max-height: 250px;
    overflow: auto;
    border-radius: var(--border-radius-md);
    scrollbar-width: thin;
    scrollbar-color: var(--primary-accent) var(--bg-alt);
}

.error-card pre::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.error-card pre::-webkit-scrollbar-track {
    background: var(--bg-alt);
    border-radius: 4px;
}

.error-card pre::-webkit-scrollbar-thumb {
    background: var(--primary-accent);
    border-radius: 4px;
}

.error-card pre::-webkit-scrollbar-thumb:hover {
    background: var(--primary-hover);
}

/* Indicateur visuel pour le scroll sur les blocs de code */
.snippet-card pre code,
.template-card pre code,
.error-card pre code {
    display: block;
    position: relative;
}

/* Ombre pour indiquer qu'il y a du contenu en dessous/à droite */
.snippet-card pre,
.template-card pre {
    box-shadow: inset 0 -10px 10px -10px rgba(0, 0, 0, 0.1),
                inset -10px 0 10px -10px rgba(0, 0, 0, 0.1);
}

/* Copy Buttons - Style générique */
.copy-btn {
    width: 100%;
    padding: 0.6rem;
    background: var(--bg-alt);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 500;
    transition: all 0.2s;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.copy-btn:hover {
    background: var(--primary-light);
    color: var(--primary-accent);
    border-color: var(--primary-accent);
}

.copy-btn i {
    width: 16px;
    height: 16px;
}

/* Templates Grid */
.templates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.template-card {
    background: var(--bg-content);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
}

.template-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.template-header h3 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
}

.difficulty {
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
}

.difficulty.easy { background: #e8f5e9; color: #2e7d32; }
.difficulty.medium { background: #fff3e0; color: #f57c00; }
.difficulty.hard { background: #ffebee; color: #c62828; }

.template-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.template-usage {
    background: var(--bg-alt);
    padding: 0.8rem;
    border-radius: 6px;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    border-left: 3px solid var(--primary-accent);
}

/* Resources Grid */
.resources-grid {
    display: grid;
    gap: 2rem;
    margin-top: 1.5rem;
}

.resource-category h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    color: var(--text-headings);
}

.resource-links {
    display: grid;
    gap: 1rem;
}

.resource-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-content);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.2s;
}

.resource-link:hover {
    border-color: var(--primary-accent);
    transform: translateX(5px);
    box-shadow: var(--shadow-sm);
}

.resource-link i {
    font-size: 1.5rem;
    color: var(--primary-accent);
    flex-shrink: 0;
}

.resource-link strong {
    display: block;
    margin-bottom: 0.3rem;
    color: var(--text-headings);
}

.resource-link p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Errors List */
.errors-list {
    display: grid;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.error-card {
    background: var(--bg-content);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.error-header {
    background: #fff3e0;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.error-code {
    font-family: 'Consolas', monospace;
    font-weight: bold;
    color: #f57c00;
    font-size: 0.95rem;
}

.error-body {
    padding: 1.5rem;
}

.error-body h4 {
    margin: 1rem 0 0.5rem 0;
    font-size: 1rem;
    color: var(--text-headings);
}

.error-body h4:first-child {
    margin-top: 0;
}

.error-body p {
    margin: 0 0 1rem 0;
    color: var(--text-primary);
}

.error-body pre {
    margin: 0.5rem 0 1rem 0;
}

.error-info {
    border-left: 4px solid #f57c00;
}

/* ===== RESPONSIVE TOOLBOX - MOBILE ===== */

/* Tablettes */
@media (max-width: 768px) {
    .snippets-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .templates-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .snippet-card,
    .template-card {
        padding: 1.2rem;
    }

    .filter-tags {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 0.5rem;
        -webkit-overflow-scrolling: touch;
    }

    .filter-tag {
        flex-shrink: 0;
        font-size: 0.85rem;
        padding: 0.35rem 0.8rem;
    }
}

/* Mobiles */
@media (max-width: 480px) {
    .toolbox-section {
        font-size: 0.9rem;
    }

    .info-box {
        flex-direction: column;
        text-align: center;
        padding: 1rem;
    }

    .info-box-icon {
        margin-bottom: 0.5rem;
    }

    .info-box h5 {
        font-size: 1rem;
    }

    .info-box p {
        font-size: 0.85rem;
    }

    #snippetSearch {
        font-size: 0.9rem;
        padding: 0.6rem;
    }

    .snippet-card,
    .template-card {
        padding: 1rem;
    }

    .snippet-header,
    .template-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .snippet-header h3,
    .template-header h3 {
        font-size: 1rem;
    }

    .badge {
        font-size: 0.7rem;
        padding: 0.15rem 0.5rem;
    }

    .difficulty {
        font-size: 0.75rem;
        padding: 0.25rem 0.7rem;
    }

    .snippet-desc,
    .template-desc {
        font-size: 0.85rem;
    }

    .snippet-usage,
    .template-usage {
        font-size: 0.8rem;
        padding: 0.5rem 0.6rem;
    }

    .snippet-card pre,
    .template-card pre {
        font-size: 0.8rem;
        max-height: 200px;
    }

    .copy-btn {
        padding: 0.5rem;
        font-size: 0.85rem;
    }

    .resource-link {
        padding: 0.8rem;
        gap: 0.8rem;
    }

    .resource-link i {
        font-size: 1.2rem;
    }

    .resource-link strong {
        font-size: 0.9rem;
    }

    .resource-link p {
        font-size: 0.8rem;
    }

    .error-card {
        font-size: 0.9rem;
    }

    .error-header {
        padding: 0.8rem;
    }

    .error-code {
        font-size: 0.85rem;
        word-break: break-word;
    }

    .error-body {
        padding: 1rem;
    }

    .error-body h4 {
        font-size: 0.95rem;
    }

    .error-body pre {
        font-size: 0.75rem;
        overflow-x: auto;
    font-style: italic;
}

/* Info niveau */
.xp-level-info {
    background: var(--primary-light);
    border-left: 4px solid var(--primary-accent);
    padding: 1rem;
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
}

.xp-level-info i {
    color: var(--primary-accent);
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.xp-level-info p {
    margin: 0;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.xp-level-info .highlight {
    color: var(--primary-accent);
    font-weight: 700;
}

/* Messages avec XP dans les quiz */
.quiz-xp-reward {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.8rem;
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    color: white;
    font-weight: 700;
    border-radius: 20px;
    margin-left: 0.5rem;
    font-size: 0.9rem;
    box-shadow: 0 2px 6px rgba(251, 191, 36, 0.4);
    animation: bounceIn 0.5s ease;
}

@keyframes bounceIn {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.quiz-xp-reward i {
    width: 16px;
    height: 16px;
}

/* Badge de niveau utilisateur */
.user-level-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.8rem;
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    color: white;
    font-weight: 700;
    border-radius: 20px;
    font-size: 0.85rem;
    box-shadow: 0 2px 4px rgba(139, 92, 246, 0.3);
}

/* Barre de progression XP */
.xp-progress-container {
    margin: 1rem 0;
}

.xp-progress-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.xp-progress-bar {
    height: 12px;
    background: var(--bg-alt);
    border-radius: 999px;
    overflow: hidden;
    position: relative;
}

.xp-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #fbbf24 0%, #f59e0b 100%);
    border-radius: 999px;
    transition: width 0.5s ease;
    position: relative;
    overflow: hidden;
}

.xp-progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Responsive */
@media (max-width: 768px) {
    .xp-rewards-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .xp-reward-item {
        padding: 0.8rem;
    }

    .xp-reward-icon {
        width: 45px;
        height: 45px;
    }

    .xp-info-container {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .xp-info-header h5 {
        font-size: 1rem;
    }

    .xp-reward-content strong {
        font-size: 0.95rem;
    }

    .xp-reward-values {
        font-size: 0.85rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.3rem;
    }

    .xp-badge {
        font-size: 0.75rem;
    }

    .xp-level-info {
        flex-direction: column;
    }
}

/* --- Styles Système XP --- */

/* Badge XP inline */
.xp-badge-inline {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: rgba(251, 191, 36, 0.15);
  color: #fbbf24;
  padding: 0.2rem 0.6rem;
  border-radius: 12px;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid rgba(251, 191, 36, 0.3);
}

.xp-badge-inline i {
  width: 14px;
  height: 14px;
}

/* Badge XP récompense quiz */
.quiz-xp-reward {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.2), rgba(245, 158, 11, 0.2));
  color: #fbbf24;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-weight: 700;
  font-size: 0.9rem;
  margin-left: 0.5rem;
  border: 1px solid rgba(251, 191, 36, 0.4);
  box-shadow: 0 2px 10px rgba(251, 191, 36, 0.1);
  animation: bounceIn 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Sidebar XP Progress */
.sidebar-progress-container {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.02);
}

.sidebar-xp-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.sidebar-level {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--primary-accent);
  font-weight: 700;
  font-size: 0.95rem;
}

.sidebar-level i {
  width: 16px;
  height: 16px;
}

.sidebar-xp-value {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 600;
  font-family: monospace;
}

.sidebar-progress-bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}

.sidebar-progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #fbbf24, #f59e0b);
  border-radius: 3px;
  transition: width 0.5s ease-out;
  box-shadow: 0 0 10px rgba(251, 191, 36, 0.3);
}

/* User Level Badge in Menu */
.user-level-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.8rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 8px;
  border-radius: 12px;
  color: #fbbf24;
  font-weight: 600;
  border: 1px solid rgba(251, 191, 36, 0.2);
}

@keyframes bounceIn {
  0% { transform: scale(0); opacity: 0; }
  60% { transform: scale(1.1); opacity: 1; }
  100% { transform: scale(1); }
}

/* --- Styles Modale XP (Design Premium Gold) --- */

.xp-modal-header {
  background: #0f172a !important; /* Fond très sombre */
  background-image: linear-gradient(145deg, #1e293b 0%, #0f172a 100%) !important;
  border: 2px solid #fbbf24 !important; /* Bordure dorée */
  border-radius: 16px;
  padding: 2rem;
  margin-bottom: 2.5rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4), 0 0 20px rgba(251, 191, 36, 0.1) !important;
  position: relative;
  overflow: hidden;
  color: white !important;
}

/* Titre de section ajouté via CSS */
.xp-modal-header::after {
  content: 'VOTRE PROGRESSION';
  position: absolute;
  top: 0.8rem;
  right: 1.5rem;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 2px;
  color: rgba(251, 191, 36, 0.4);
  pointer-events: none;
}

.xp-modal-level {
  display: flex;
  align-items: center;
  gap: 2rem;
  position: relative;
  z-index: 2;
}

.level-circle {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: #000;
  background-image: linear-gradient(135deg, #fbbf24 0%, #b45309 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 0 30px rgba(251, 191, 36, 0.5);
  border: 4px solid rgba(255, 255, 255, 0.2);
  flex-shrink: 0;
}

.level-number {
  font-size: 2.5rem;
  font-weight: 900;
  line-height: 1;
  text-shadow: 2px 2px 0px rgba(0,0,0,0.2);
}

.level-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 1px;
  margin-top: -2px;
}

.xp-details {
  flex: 1;
}

.xp-details h3 {
  margin: 0 0 0.8rem 0;
  font-size: 1.2rem;
  color: white;
  font-weight: 700;
}

.xp-bar-container {
  height: 14px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 7px;
  overflow: hidden;
  margin-bottom: 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.xp-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #fbbf24, #f59e0b);
  border-radius: 7px;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 10px rgba(251, 191, 36, 0.4);
  position: relative;
}

/* Effet brillant sur la barre */
.xp-bar-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  transform: translateX(-100%);
  animation: shimmer 2.5s infinite;
}

.xp-text-row {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
  flex-wrap: wrap;
}

.xp-current {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fbbf24;
  font-family: 'Consolas', monospace;
}

.xp-separator {
  color: rgba(255,255,255,0.3);
  font-weight: 400;
}

.xp-next-info {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
}

.total-xp-label {
  margin: 0.5rem 0 0 0;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 0.5rem;
}

.total-xp-label strong {
  color: rgba(255, 255, 255, 0.8);
}

/* Badges XP dans la liste des modules */
.progress-badge.xp-gained {
  background: rgba(251, 191, 36, 0.1);
  color: #fbbf24;
  border: 1px solid rgba(251, 191, 36, 0.25);
  font-weight: 600;
  padding: 0.3rem 0.6rem;
}

.progress-badge.xp-empty {
  background: transparent;
  color: var(--text-disabled);
  border: 1px dashed var(--border-color);
  font-size: 0.8rem;
}

@media (max-width: 480px) {
  .xp-modal-level {
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
  }
  
  .xp-text-row {
    justify-content: center;
  }
  
  .xp-details h3 {
    font-size: 1.1rem;
  }
}
}