@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');

/* =======================================================
   Light Theme – Clean & Professional
   Author: OshekharO (senior refactor)
   ======================================================= */

:root {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --accent-success: #059669;
  --accent-danger: #dc2626;
  --accent-warning: #d97706;
  --accent-info: #2563eb;
  --border-color: #e2e8f0;
  --border-radius: 12px;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-glow-success: 0 0 20px rgba(5, 150, 105, 0.15);
  --shadow-glow-danger: 0 0 20px rgba(220, 38, 38, 0.15);
  --shadow-glow-info: 0 0 20px rgba(37, 99, 235, 0.15);
}

* {
  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: var(--bg-primary);
  min-height: 100vh;
  margin: 0;
  padding: 1.5rem;
}

/* Page title */
.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-secondary);
  border-radius: var(--border-radius);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: box-shadow var(--transition-smooth), transform var(--transition-smooth);
}

.box-content:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* Textarea */
.form-control {
  background: var(--bg-primary) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: 8px !important;
  color: var(--text-primary) !important;
  font-family: 'SF Mono', Monaco, 'Courier New', monospace;
  font-size: 13px;
  padding: 1rem !important;
  resize: vertical;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  width: 100%;
}

.form-control:focus {
  border-color: var(--accent-info) !important;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1), var(--shadow-glow-info) !important;
  outline: none;
}

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

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

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

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

/* Button overrides */
.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(0, 0, 0, 0.05), transparent);
  transition: left 0.5s;
}

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

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

.btn-outline-success:hover:not(:disabled) {
  background: var(--accent-success) !important;
  color: white !important;
  box-shadow: var(--shadow-glow-success);
  transform: translateY(-3px) scale(1.02);
}

.btn-outline-success:active:not(:disabled) {
  transform: translateY(-1px) scale(0.98);
}

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

.btn-outline-danger:hover:not(:disabled) {
  background: var(--accent-danger) !important;
  color: white !important;
  box-shadow: var(--shadow-glow-danger);
  transform: translateY(-3px) scale(1.02);
}

.btn-outline-danger:active:not(:disabled) {
  transform: translateY(-1px) scale(0.98);
}

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

/* Spinner inside button */
.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(0, 0, 0, 0.2);
  border-top-color: var(--accent-info);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  vertical-align: middle;
  margin-right: 6px;
}

/* Progress bar */
.progress-bar-container {
  width: 100%;
  height: 4px;
  background: var(--border-color);
  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%;
  position: relative;
}

.progress-bar::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

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

.stat-item {
  text-align: center;
  animation: fadeInUp 0.4s var(--transition-smooth);
}

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

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

/* Counter update animation */
.counter-update {
  animation: pulse 0.3s ease-out;
}

/* 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(37, 99, 235, 0.05) !important;
  border: 1px solid rgba(37, 99, 235, 0.2) !important;
  color: var(--accent-info) !important;
}

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

.badge:hover {
  transform: scale(1.1);
}

.bg-success {
  background: var(--accent-success) !important;
  color: white;
  box-shadow: 0 2px 8px rgba(5, 150, 105, 0.2);
}

.bg-danger {
  background: var(--accent-danger) !important;
  color: white;
  box-shadow: 0 2px 8px rgba(220, 38, 38, 0.2);
}

.bg-warning {
  background: var(--accent-warning) !important;
  color: white;
  box-shadow: 0 2px 8px rgba(217, 119, 6, 0.2);
}

/* Result panels */
.alert-success {
  background: rgba(5, 150, 105, 0.05) !important;
  border: 1px solid rgba(5, 150, 105, 0.2) !important;
  color: var(--accent-success) !important;
}

.alert-danger {
  background: rgba(220, 38, 38, 0.05) !important;
  border: 1px solid rgba(220, 38, 38, 0.2) !important;
  color: var(--accent-danger) !important;
}

.alert-warning {
  background: rgba(217, 119, 6, 0.05) !important;
  border: 1px solid rgba(217, 119, 6, 0.2) !important;
  color: var(--accent-warning) !important;
}

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

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

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

.panel-body::-webkit-scrollbar-track {
  background: var(--border-color);
  border-radius: 3px;
}

.panel-body::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: 3px;
  transition: background var(--transition-fast);
}

.panel-body::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* Result item animation */
.panel-body div {
  padding: 0.5rem 0.75rem;
  margin: 0.25rem 0;
  background: var(--bg-primary);
  border-radius: 6px;
  border: 1px solid var(--border-color);
  animation: slideIn 0.3s var(--transition-smooth);
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.panel-body div:hover {
  background: var(--bg-secondary);
  transform: translateX(4px);
}

/* Card type inline badge */
.card-type-badge {
  display: inline-block;
  padding: 0.1em 0.45em;
  font-size: 0.7em;
  background: var(--border-color);
  border-radius: 4px;
  margin-left: 0.35rem;
  vertical-align: middle;
  color: var(--text-primary);
  transition: background var(--transition-fast);
}

.card-type-badge:hover {
  background: var(--text-muted);
  color: white;
}

/* 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(-15px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.08);
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

/* Responsive */
@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 !important;
  }
  .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;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
/* Responsive Ad Banner */
.ad-container {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
}

.ad-banner-link {
  display: block;
  text-decoration: none;
  width: 100%;
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.ad-banner-link:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.ad-placeholder.ad-media-placeholder,
.ad-placeholder.ad-video-placeholder {
  position: relative;
  width: 100%;
  max-width: 100%;
  padding: 0;
  background: #000;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ad-video,
.ad-image {
  width: 100%;
  height: auto;
  max-height: 250px;
  object-fit: cover;
  display: block;
  border-radius: var(--border-radius);
}