:root {
  /* Brand Colors - Modern Blue & Purple Gradient */
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --secondary: #ec4899;
  --success: #10b981;
  --success-hover: #059669;
  --danger: #ef4444;

  /* Light Theme */
  --bg-color: #f8fafc;
  --surface: #ffffff;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.5);

  /* Effects */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-glow: 0 0 20px rgba(79, 70, 229, 0.3);

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-color: #0b0f19;
    --surface: #1e293b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border: #334155;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  }
}

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

body {
  font-family: var(--font-sans);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-color);
  background-image:
    radial-gradient(circle at 15% 50%, rgba(79, 70, 229, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 85% 30%, rgba(236, 72, 153, 0.15) 0%, transparent 50%),
    url('wallpaper.jpg');
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.container {
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
  flex: 1;
}

/* Header */
.header {
  text-align: center;
  margin-bottom: 3rem;
  animation: fadeDown 0.6s ease-out;
}

.header h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
  filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.4));
}

.header p {
  color: var(--text-main);
  font-size: 1.125rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
  font-weight: 500;
}

/* Glassmorphism Panel */
.panel {
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg), 0 0 40px rgba(0, 0, 0, 0.2);
  animation: slideUp 0.6s ease-out 0.1s both;
}

/* Forms */
.input-group {
  margin-bottom: 2rem;
}

textarea {
  width: 100%;
  min-height: 200px;
  padding: 1.25rem;
  background-color: rgba(15, 23, 42, 0.7);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  font-family: monospace;
  font-size: 1rem;
  line-height: 1.6;
  resize: vertical;
  transition: all var(--transition-normal);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3);
}

textarea:focus {
  outline: none;
  border-color: var(--primary);
  background-color: rgba(15, 23, 42, 0.9);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.3);
}

textarea::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

/* Buttons */
.actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex: 1;
  min-width: 150px;
}

.btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.4);
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.btn-success {
  background-color: var(--success);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-success:hover {
  background-color: var(--success-hover);
  transform: translateY(-2px);
}

.hidden {
  display: none !important;
}

/* Results Area */
.results-container {
  margin-top: 3rem;
  animation: fadeIn 0.4s ease-out;
}

.summary-card {
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  box-shadow: var(--shadow-md);
}

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

.stat-label {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: #fff;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.stat-value.danger {
  color: #fca5a5;
}

.stat-value.success {
  color: #6ee7b7;
}

/* Table */
.table-wrapper {
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 40px rgba(0, 0, 0, 0.2);
}

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

th {
  background-color: rgba(255, 255, 255, 0.05);
  padding: 1rem 1.5rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.8);
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

@media (prefers-color-scheme: dark) {
  th {
    background-color: rgba(255, 255, 255, 0.08);
  }
}

td {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  color: #fff;
  font-weight: 500;
  transition: background-color var(--transition-fast);
}

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

tr:hover td {
  background-color: rgba(255, 255, 255, 0.05);
}

@media (prefers-color-scheme: dark) {
  tr:hover td {
    background-color: rgba(255, 255, 255, 0.1);
  }
}

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.badge-success {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

/* Loading State */
.loader-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(79, 70, 229, 0.2);
  border-radius: 50%;
  border-top-color: var(--primary);
  animation: spin 1s ease-in-out infinite;
  margin-bottom: 1rem;
}

.loader-text {
  color: var(--text-muted);
  font-weight: 500;
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background: var(--surface);
  color: var(--text-main);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--danger);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-width: 300px;
  animation: slideInRight 0.3s ease-out forwards;
}

.toast.removing {
  animation: fadeOutRight 0.3s ease-in forwards;
}

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

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: .5;
  }
}

@keyframes fadeDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }

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

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

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

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100%);
  }

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

@keyframes fadeOutRight {
  from {
    opacity: 1;
    transform: translateX(0);
  }

  to {
    opacity: 0;
    transform: translateX(100%);
  }
}

/* Responsive */
@media (max-width: 640px) {
  .container {
    padding: 2rem 1rem;
  }

  .panel {
    padding: 1.5rem;
  }

  .actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}