:root {
  --bg-color: #0f172a; /* Slate 900 */
  --text-primary: #f8fafc; /* Slate 50 */
  --text-secondary: #94a3b8; /* Slate 400 */
  --glass-bg: rgba(30, 41, 59, 0.7); /* Slate 800 with opacity */
  --glass-border: rgba(255, 255, 255, 0.1);
  --accent-color: #3b82f6; /* Blue 500 */
  --accent-hover: #60a5fa; /* Blue 400 */
  --danger-color: #ef4444; /* Red 500 */
  --danger-hover: #f87171; /* Red 400 */
  --tag-bg: rgba(59, 130, 246, 0.2);
  --blob-1: #3b82f6;
  --blob-2: #8b5cf6;
  --blob-3: #10b981;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Outfit', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Background Animated Blobs */
.background-blobs {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: -1;
  pointer-events: none;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.5;
  animation: float 20s infinite ease-in-out alternate;
}

.blob-1 {
  width: 40vw;
  height: 40vw;
  background: var(--blob-1);
  top: -10%;
  left: -10%;
  animation-delay: 0s;
}

.blob-2 {
  width: 35vw;
  height: 35vw;
  background: var(--blob-2);
  bottom: -10%;
  right: -5%;
  animation-delay: -5s;
}

.blob-3 {
  width: 30vw;
  height: 30vw;
  background: var(--blob-3);
  top: 40%;
  left: 40%;
  animation-delay: -10s;
}

@keyframes float {
  0% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -50px) scale(1.1); }
  66% { transform: translate(-20px, 20px) scale(0.9); }
  100% { transform: translate(0, 0) scale(1); }
}

/* App Layout */
.app-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

/* Header & Search */
.app-header {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.header-content h1 {
  font-size: 3rem;
  font-weight: 700;
  background: linear-gradient(135deg, #fff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 10px;
  letter-spacing: -1px;
}

.header-content p {
  font-size: 1.2rem;
  color: var(--text-secondary);
}

.header-actions {
  margin-bottom: 10px;
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  justify-content: center;
}

.search-container {
  position: relative;
  width: 100%;
  max-width: 600px;
}

.search-icon {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  pointer-events: none;
}

#searchInput {
  width: 100%;
  padding: 18px 20px 18px 55px;
  border-radius: 100px;
  border: 1px solid var(--glass-border);
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--text-primary);
  font-size: 1.1rem;
  font-family: inherit;
  transition: all 0.3s ease;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

#searchInput:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.2), 0 4px 30px rgba(0, 0, 0, 0.1);
  background: rgba(15, 23, 42, 0.8);
}

#searchInput::placeholder {
  color: var(--text-secondary);
  font-weight: 300;
}

/* Table Design */
.table-container {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  border-left: 1px solid rgba(255, 255, 255, 0.2);
  overflow: hidden;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

thead tr {
  background: rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid var(--glass-border);
}

th {
  padding: 20px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 1px;
}

td {
  padding: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  vertical-align: middle;
}

tbody tr {
  transition: background-color 0.2s ease;
}

tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

tbody tr:last-child td {
  border-bottom: none;
}

.td-date {
  color: var(--text-secondary);
  white-space: nowrap;
  font-size: 0.95rem;
}

.td-name {
  font-size: 1.1rem;
  color: var(--text-primary);
}

.td-apport {
  color: #cbd5e1; /* Slate 300 */
  line-height: 1.5;
  max-width: 400px;
}

.td-actions {
  white-space: nowrap;
}

.badge {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 50px;
  background: rgba(255, 255, 255, 0.1);
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.theme-tag {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 8px;
  background: var(--tag-bg);
  color: var(--accent-hover);
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid rgba(59, 130, 246, 0.3);
  text-wrap: nowrap;
}

/* Buttons */
.btn-primary {
  background-color: var(--accent-color);
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 50px;
  font-family: inherit;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  padding: 12px 24px;
  border-radius: 50px;
  font-family: inherit;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

.btn-icon {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.btn-icon:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.edit-btn:hover {
  color: var(--accent-color);
}

.delete-btn:hover {
  color: var(--danger-color);
  background-color: rgba(239, 68, 68, 0.1);
}

/* Modals */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(5px);
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.modal.visible {
  opacity: 1;
}

.modal-content {
  background: var(--bg-color);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  width: 90%;
  max-width: 500px;
  padding: 30px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  position: relative;
  transform: translateY(20px);
  transition: transform 0.3s ease;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.modal.visible .modal-content {
  transform: translateY(0);
}

.close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 1.5rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: color 0.2s;
}

.close-btn:hover {
  color: var(--text-primary);
}

.modal-content h2 {
  margin-bottom: 25px;
  font-size: 1.5rem;
}

/* Forms */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border-radius: 10px;
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-color);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.form-group select option {
  background-color: var(--bg-color);
  color: var(--text-primary);
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 15px;
  margin-top: 30px;
}


/* No Results State & Loader */
.hidden {
  display: none !important;
}

.no-results {
  padding: 60px 20px;
  text-align: center;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
}

.no-results svg {
  color: #475569;
}

.no-results p {
  font-size: 1.1rem;
}

/* Quiz Mode */
.quiz-section {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  padding: 40px;
  border-radius: 20px;
  border: 1px solid var(--glass-border);
  text-align: center;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

.quiz-status {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 20px;
  background: rgba(139, 92, 246, 0.1);
  color: #c4b5fd;
  padding: 10px 20px;
  border-radius: 50px;
  display: inline-block;
  border: 1px solid rgba(139, 92, 246, 0.2);
}

.quiz-columns {
  display: flex;
  gap: 30px;
  justify-content: center;
  align-items: flex-start;
  margin-top: 20px;
  flex-wrap: wrap;
}

.quiz-column {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 45%;
  min-width: 250px;
}

.quiz-card {
  padding: 15px 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s;
  user-select: none;
  font-size: 1rem;
  line-height: 1.4;
  text-align: left;
}

.quiz-card:hover { 
  background: rgba(255, 255, 255, 0.1); 
  transform: translateY(-2px);
}

.name-card {
  font-weight: 600;
  font-size: 1.1rem;
}

.prop-card {
  color: var(--text-secondary);
}

.quiz-card.selected { 
  border-color: #8b5cf6; 
  background: rgba(139, 92, 246, 0.2); 
  box-shadow: 0 0 15px rgba(139, 92, 246, 0.3);
}

.quiz-card.correct { 
  border-color: #10b981; 
  background: rgba(16, 185, 129, 0.2); 
  pointer-events: none; 
  opacity: 0.8;
}

.quiz-card.wrong { 
  border-color: #ef4444; 
  background: rgba(239, 68, 68, 0.2); 
  animation: shake 0.4s; 
}

@keyframes shake {
  0% { transform: translateX(0); }
  25% { transform: translateX(5px); }
  50% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
  100% { transform: translateX(0); }
}

/* Responsive */
@media (max-width: 768px) {
  .app-container { padding: 20px 15px; }
  .header-content h1 { font-size: 2.2rem; }
  .table-container { overflow-x: auto; }
  th, td { padding: 15px; }
  .quiz-columns { flex-direction: column; width: 100%; }
  .quiz-column { width: 100%; }
}