@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');
/* =======================================================
*   Author: Saksham Shekher
*   Only For Educational Purpose
* ======================================================= */

/* CSS Variables for easy theming */
:root {
  --bg-primary: #1a1b1e;
  --bg-secondary: #26272c;
  --bg-card: #2d2e33;
  --text-primary: #ffffff;
  --text-secondary: #a0a3b1;
  --text-muted: #616370;
  --accent-success: #10b981;
  --accent-danger: #ef4444;
  --accent-warning: #f59e0b;
  --accent-info: #3b82f6;
  --border-radius: 12px;
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.25);
}

* {
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-weight: 400;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  min-height: 100vh;
  position: relative;
  margin: 0;
  padding: 1.5rem;
}

/* Container for centered layout */
.container-main {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Page title styling */
.page-title {
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 2rem;
  text-transform: uppercase;
  text-align: center;
  color: var(--text-primary);
  letter-spacing: 0.05em;
  animation: fadeInDown 0.5s var(--transition-smooth);
}

/* Form and box styling */
.box-body {
  margin-bottom: 1.25rem;
  animation: fadeInUp 0.4s var(--transition-smooth);
}

.box-content {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-smooth), transform var(--transition-smooth);
}

.box-content:hover {
  box-shadow: var(--shadow-md);
}

/* Form label styling */
.form-label {
  display: inline-block;
  margin-bottom: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* Textarea styling */
.form-control {
  background: var(--bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: 'SF Mono', Monaco, 'Courier New', monospace;
  font-size: 13px;
  padding: 1rem;
  resize: vertical;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  background: var(--bg-secondary);
  border-color: var(--accent-info);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
  color: var(--text-primary);
  outline: none;
}

.form-control::placeholder {
  color: var(--text-muted);
  opacity: 0.7;
}

.form-control:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Button container */
.button {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Button styling */
.btn {
  padding: 0.625rem 2rem;
  font-weight: 500;
  font-size: 0.875rem;
  border-radius: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

.btn-outline-success {
  border: 2px solid var(--accent-success);
  color: var(--accent-success);
  background: transparent;
}

.btn-outline-success:hover:not(:disabled) {
  background: var(--accent-success);
  color: var(--text-primary);
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
  transform: translateY(-2px);
}

.btn-outline-danger {
  border: 2px solid var(--accent-danger);
  color: var(--accent-danger);
  background: transparent;
}

.btn-outline-danger:hover:not(:disabled) {
  background: var(--accent-danger);
  color: var(--text-primary);
  box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
  transform: translateY(-2px);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* Status panel titles */
.box-title {
  margin-bottom: 0.5rem;
}

.panel-title {
  font-size: 0.9rem;
  padding: 0.75rem 1rem;
  margin: 0;
  border-radius: 8px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.alert-primary {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  color: var(--accent-info);
}

/* Badge styling */
.badge {
  padding: 0.35em 0.75em;
  font-size: 0.8em;
  font-weight: 600;
  border-radius: 6px;
  transition: transform var(--transition-fast);
}

.badge.bg-success {
  background: var(--accent-success) !important;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

.badge.bg-danger {
  background: var(--accent-danger) !important;
  box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
}

.badge.bg-warning {
  background: var(--accent-warning) !important;
  color: #1a1b1e !important;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

/* Result panels */
.alert-success {
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: var(--accent-success);
}

.alert-danger {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: var(--accent-danger);
}

.alert-warning {
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.2);
  color: var(--accent-warning);
}

.alert {
  border-radius: var(--border-radius);
  padding: 1rem;
  margin-bottom: 0;
}

/* Panel body for results */
.panel-body {
  max-height: 300px;
  overflow-y: auto;
  font-family: 'SF Mono', Monaco, 'Courier New', monospace;
  font-size: 12px;
  line-height: 1.8;
}

.panel-body::-webkit-scrollbar {
  width: 6px;
}

.panel-body::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
}

.panel-body::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 3px;
}

.panel-body::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* Result item animation */
.panel-body div {
  padding: 0.5rem 0.75rem;
  margin: 0.25rem 0;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 6px;
  animation: slideIn 0.3s var(--transition-smooth);
  transition: background var(--transition-fast);
}

.panel-body div:hover {
  background: rgba(255, 255, 255, 0.06);
}

/* Progress indicator */
.processing-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent-info);
  font-size: 0.85rem;
  margin-left: 1rem;
}

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(59, 130, 246, 0.3);
  border-top-color: var(--accent-info);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* Animations */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.6;
  }
}

/* Card type indicator */
.card-type-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2em 0.5em;
  font-size: 0.7em;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  margin-left: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  body {
    padding: 1rem;
  }

  .page-title {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
  }

  .box-content {
    padding: 1rem;
  }

  .form-control {
    font-size: 12px;
    padding: 0.75rem;
  }

  .btn {
    padding: 0.5rem 1.5rem;
    font-size: 0.8rem;
  }

  .panel-body {
    max-height: 200px;
    font-size: 11px;
  }

  .panel-title {
    font-size: 0.85rem;
    flex-wrap: wrap;
  }
}

@media (max-width: 480px) {
  body {
    padding: 0.75rem;
  }

  .page-title {
    font-size: 1.1rem;
    margin-bottom: 1rem;
  }

  .button {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .panel-body div {
    padding: 0.4rem 0.5rem;
    font-size: 10px;
    word-break: break-all;
  }
}

/* Focus visible for accessibility */
.btn:focus-visible,
.form-control:focus-visible {
  outline: 2px solid var(--accent-info);
  outline-offset: 2px;
}

/* Format help text */
.format-help {
  display: block;
  margin-top: 0.5rem;
  color: var(--text-muted);
  font-size: 11px;
}

/* Info message styling */
.info {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--border-radius);
  padding: 1rem;
  margin-bottom: 1rem;
  color: var(--accent-info);
  display: none;
}

/* Progress bar */
.progress-bar-container {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  margin-top: 1rem;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-info), var(--accent-success));
  border-radius: 2px;
  transition: width var(--transition-smooth);
  width: 0%;
}

/* Stats summary */
.stats-summary {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Copy button for Live results */
.btn-copy-live {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.7rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent-success);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-copy-live:hover {
  background: rgba(16, 185, 129, 0.2);
  border-color: var(--accent-success);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.2);
}

.btn-copy-live:active {
  transform: translateY(0);
}

.btn-copy-live.copied {
  color: #fff;
  background: var(--accent-success);
  border-color: var(--accent-success);
}