html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: "Roboto Mono", monospace;
  background-color: #fefce8;
  color: #1f2937;
  overflow-x: hidden;
}
.custom-container {
  width: 100vw;
  min-height: 100vh;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.panel {
  background-color: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 0.75rem;
  padding: 1.5rem;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
}

/* Tab Navigation */
.tab-container {
  display: flex;
  background-color: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 0.75rem;
  padding: 0.5rem;
  margin-bottom: 1rem;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
}
.tab-button {
  flex: 1;
  padding: 1rem 2rem;
  border: none;
  background: transparent;
  color: #6b7280;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 600;
  font-size: 1.1rem;
}
.tab-button.active {
  background-color: #10b981;
  color: white;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}
.tab-button:hover:not(.active) {
  background-color: #f3f4f6;
  color: #374151;
}

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

/* Profile Section */
.profile-card {
  background-color: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 1rem;
  padding: 3rem;
  text-align: center;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}
.profile-avatar {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background-color: #10b981;
  margin: 0 auto 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: white;
  font-weight: bold;
  box-shadow: 0 8px 25px rgba(16, 185, 129, 0.3);
}
.profile-name {
  font-size: 2.5rem;
  font-weight: bold;
  color: #1f2937;
  margin-bottom: 1rem;
}
.profile-title {
  font-size: 1.3rem;
  color: #6b7280;
  margin-bottom: 2rem;
}
.profile-description {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #374151;
  max-width: 600px;
  margin: 0 auto;
}
.profile-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}
.stat-card {
  background-color: #f0fdf4;
  padding: 1.5rem;
  border-radius: 1rem;
  text-align: center;
  border: 1px solid #bbf7d0;
}
.stat-number {
  font-size: 2rem;
  font-weight: bold;
  color: #10b981;
}
.stat-label {
  color: #6b7280;
  margin-top: 0.5rem;
}

.main-btn {
  background-color: #10b981;
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: bold;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}
.main-btn:hover {
  background-color: #059669;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}
.main-btn:disabled {
  background-color: #9ca3af;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}
.secondary-btn {
  background-color: #d1d5db;
  color: #111827;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}
.secondary-btn:hover {
  background-color: #9ca3af;
  transform: translateY(-1px);
}
.secondary-btn:disabled {
  background-color: #f3f4f6;
  color: #9ca3af;
  cursor: not-allowed;
  transform: none;
}
.graph-box {
  height: 40vh;
  background-color: #ffffff;
  border: 1px solid #d1d5db;
  border-radius: 0.5rem;
  overflow: hidden;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.06);
}
.step-box {
  background: #1e3a8a;
  color: #e0f2fe;
  padding: 1.5rem;
  border-radius: 0.75rem;
  font-family: "Courier New", Courier, monospace;
  max-height: 300px;
  overflow-y: auto;
  white-space: pre-wrap;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}
.explanation-box {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  padding: 1.5rem;
  border-radius: 0.5rem;
  max-height: 300px;
  overflow-y: auto;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Header styling */
header h1 {
  color: #1f2937;
}

header p {
  color: #6b7280;
}

/* Select styling */
select {
  background-color: #fff;
  border: 1px solid #d1d5db;
  border-radius: 0.5rem;
  transition: all 0.3s ease;
}

select:focus {
  border-color: #10b981;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
  outline: none;
}

/* Labels */
label {
  color: #374151;
  font-weight: 600;
}

/* Section titles */
h2 {
  color: #1f2937;
}

/* Scrollbar styling */
.step-box::-webkit-scrollbar,
.explanation-box::-webkit-scrollbar {
  width: 8px;
}

.step-box::-webkit-scrollbar-track {
  background: rgba(30, 58, 138, 0.3);
  border-radius: 4px;
}

.step-box::-webkit-scrollbar-thumb {
  background: rgba(224, 242, 254, 0.6);
  border-radius: 4px;
}

.explanation-box::-webkit-scrollbar-track {
  background: #f1f5f9;
  border-radius: 4px;
}

.explanation-box::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}