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

body {
  background-color: #bec5e4;
  font-family: 'Segoe UI', Arial, sans-serif;
  color: #111010;
  text-align: center;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 50px 20px;
  animation: bgShift 15s ease-in-out infinite alternate;
}

@keyframes bgShift {
  0% {
    background-color: #bec5e4;
  }

  100% {
    background-color: #a4b0d9;
  }
}

/* Header */
.search-header {
  margin-bottom: 40px;
  animation: fadeInDown 1s ease-out;
}

.search-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: #0a2822;
  text-transform: uppercase;
  letter-spacing: 2px;
  text-shadow: 0 0 10px rgba(10, 40, 34, 0.3);
  margin-bottom: 10px;
}

.home-link {
  display: inline-block;
  margin-top: 10px;
  text-decoration: none;
  color: #1abc9c;
  font-weight: bold;
  font-size: 1.1rem;
  transition: color 0.3s;
}

.home-link:hover {
  color: #16a085;
}

/* Search Container */
.search-container {
  width: 100%;
  max-width: 600px;
  position: relative;
  margin-bottom: 50px;
  animation: fadeInUp 1s ease-out 0.3s backwards;
}

#searchInput {
  width: 100%;
  padding: 15px 25px;
  font-size: 1.2rem;
  border: 2px solid transparent;
  border-radius: 50px;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  outline: none;
  transition: all 0.3s ease;
  color: #333;
}

#searchInput:focus {
  background: rgba(255, 255, 255, 0.95);
  border-color: #1abc9c;
  box-shadow: 0 0 20px rgba(26, 188, 156, 0.3);
  transform: scale(1.02);
}

/* Results Area */
#resultsContainer {
  width: 100%;
  max-width: 800px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  animation: fadeInUp 1s ease-out 0.6s backwards;
}

.result-item {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(5px);
  padding: 20px;
  border-radius: 12px;
  text-align: left;
  transition: transform 0.3s, box-shadow 0.3s;
  border-left: 5px solid #1abc9c;
}

.result-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  background: rgba(255, 255, 255, 0.8);
}

.result-title {
  display: block;
  font-size: 1.4rem;
  color: #0a2822;
  text-decoration: none;
  font-weight: bold;
  margin-bottom: 8px;
}

.result-title:hover {
  color: #1abc9c;
  text-decoration: underline;
}

.result-desc {
  font-size: 1rem;
  color: #444;
  line-height: 1.5;
}

.no-results {
  font-size: 1.2rem;
  color: #555;
  font-style: italic;
}

/* Animations */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Tabs */
.search-tabs {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 30px;
  animation: fadeInDown 1s ease-out;
}

.search-tab {
  background: rgba(255, 255, 255, 0.5);
  border: none;
  padding: 10px 25px;
  font-size: 1.1rem;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s;
  color: #333;
  font-weight: bold;
  backdrop-filter: blur(5px);
}

.search-tab.active {
  background: #1abc9c;
  color: white;
  box-shadow: 0 4px 15px rgba(26, 188, 156, 0.4);
}

.search-tab:hover:not(.active) {
  background: rgba(255, 255, 255, 0.8);
  transform: translateY(-2px);
}

/* AI Specifics */
.ai-answer-box {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  padding: 30px;
  border-radius: 20px;
  text-align: left;
  border-left: 6px solid #9b59b6;
  /* Purple for AI */
  margin-bottom: 30px;
  line-height: 1.8;
  font-size: 1.1rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  animation: fadeInUp 0.5s ease-out;
}

.ai-sources-title {
  text-align: left;
  font-weight: 800;
  margin-top: 20px;
  margin-bottom: 15px;
  color: #555;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  border-bottom: 2px solid #ddd;
  padding-bottom: 5px;
  display: inline-block;
}

.loading-spinner {
  border: 4px solid rgba(0, 0, 0, 0.1);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border-left-color: #9b59b6;
  animation: spin 1s linear infinite;
  margin: 20px auto;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

.ingest-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: rgba(0, 0, 0, 0.2);
  color: white;
  border: none;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: opacity 0.3s;
  opacity: 0.5;
}

.ingest-btn:hover {
  opacity: 1;
  background: #333;
}

#aiInput {
  width: 100%;
  padding: 15px 25px;
  font-size: 1.2rem;
  border: 2px solid transparent;
  border-radius: 50px;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  outline: none;
  transition: all 0.3s ease;
  color: #333;
}

/* ─── Quantum Learning Panel ─────────────────────────────────────── */
.quantum-input-panel {
  width: 100%;
  max-width: 680px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(14px);
  border-radius: 24px;
  padding: 32px 36px;
  box-shadow: 0 8px 32px rgba(155, 89, 182, 0.18), 0 2px 8px rgba(0,0,0,0.07);
  border: 1.5px solid rgba(155, 89, 182, 0.25);
  display: flex;
  flex-direction: column;
  gap: 22px;
  animation: fadeInUp 0.6s ease-out;
}

.quantum-input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: left;
}

.quantum-label {
  font-weight: 700;
  font-size: 0.92rem;
  color: #5b2c8d;
  text-transform: uppercase;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.quantum-label-icon {
  font-size: 1.1rem;
}

.quantum-url-input,
.quantum-question-input,
#quantumInput {
  width: 100%;
  padding: 14px 22px;
  font-size: 1.05rem;
  border: 2px solid rgba(155, 89, 182, 0.3);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(155, 89, 182, 0.08);
  outline: none;
  transition: all 0.3s ease;
  color: #222;
  font-family: inherit;
}

.quantum-url-input:focus,
.quantum-question-input:focus,
#quantumInput:focus {
  border-color: #9b59b6;
  box-shadow: 0 0 0 3px rgba(155, 89, 182, 0.18), 0 2px 10px rgba(155, 89, 182, 0.12);
  background: #fff;
}

.quantum-analyze-btn {
  align-self: center;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 40px;
  font-size: 1.05rem;
  font-weight: 700;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  background: linear-gradient(135deg, #9b59b6 0%, #6c3483 100%);
  color: #fff;
  box-shadow: 0 4px 20px rgba(155, 89, 182, 0.45);
  transition: all 0.3s ease;
  letter-spacing: 0.5px;
}

.quantum-analyze-btn:hover:not(:disabled) {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(155, 89, 182, 0.55);
  background: linear-gradient(135deg, #af7ac5 0%, #9b59b6 100%);
}

.quantum-analyze-btn:active:not(:disabled) {
  transform: translateY(0);
}

.quantum-analyze-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-icon {
  font-size: 1.15rem;
}

/* Response Card */
.quantum-response-card {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border-radius: 20px;
  border-left: 6px solid #9b59b6;
  box-shadow: 0 8px 30px rgba(155, 89, 182, 0.12);
  overflow: hidden;
  animation: fadeInUp 0.5s ease-out;
  text-align: left;
}

.quantum-response-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px 12px;
  border-bottom: 1px solid rgba(155, 89, 182, 0.15);
}

.quantum-response-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.quantum-response-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: #6c3483;
  margin: 0 0 2px;
}

.quantum-response-subtitle {
  font-size: 0.82rem;
  color: #888;
  margin: 0;
  word-break: break-all;
}

.quantum-source-link {
  color: #9b59b6;
  text-decoration: none;
  font-weight: 600;
}
.quantum-source-link:hover {
  text-decoration: underline;
}

.quantum-question-badge {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 12px 24px;
  background: rgba(155, 89, 182, 0.07);
  font-size: 0.97rem;
  font-weight: 600;
  color: #5b2c8d;
  border-bottom: 1px solid rgba(155, 89, 182, 0.1);
}

.quantum-response-body {
  padding: 20px 24px 24px;
  line-height: 1.85;
  font-size: 1rem;
  color: #2c2c2c;
}

/* Error Box */
.quantum-error-box {
  background: rgba(255, 235, 230, 0.95);
  border: 1.5px solid #e74c3c;
  border-radius: 14px;
  padding: 16px 22px;
  color: #c0392b;
  font-weight: 600;
  font-size: 0.97rem;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: fadeInUp 0.4s ease-out;
  text-align: left;
}

/* Hint text */
.quantum-hint {
  opacity: 0.65;
  font-size: 0.97rem;
  padding: 10px 0;
}