@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;600;700;800&display=swap');

:root {
  --bg-color: #08060c;
  --panel-bg: rgba(18, 14, 28, 0.7);
  --border-color: rgba(255, 255, 255, 0.08);
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --primary-gradient: linear-gradient(135deg, #8b5cf6 0%, #3b82f6 100%);
  --accent-gradient: linear-gradient(135deg, #ec4899 0%, #8b5cf6 100%);
  --success-color: #10b981;
  --error-color: #ef4444;
  --warning-color: #f59e0b;
  --shadow-glow: 0 8px 32px 0 rgba(139, 92, 246, 0.15);
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  min-height: 100vh;
  padding: 40px 20px;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(139, 92, 246, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(59, 130, 246, 0.15) 0%, transparent 40%);
  background-attachment: fixed;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

header {
  text-align: center;
  margin-bottom: 40px;
}

h1 {
  font-family: 'Outfit', sans-serif;
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(to right, #ffffff, #a78bfa, #3b82f6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 10px;
  letter-spacing: -0.5px;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  font-weight: 400;
}

.dashboard {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

@media (min-width: 900px) {
  .dashboard {
    grid-template-columns: 450px 1fr;
  }
}

.card {
  background: var(--panel-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 30px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.4rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 15px;
  margin-bottom: 5px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}

select, input {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  padding: 12px 16px;
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 1rem;
  font-family: inherit;
  transition: all 0.3s ease;
  outline: none;
}

select:focus, input:focus {
  border-color: #8b5cf6;
  box-shadow: 0 0 0 2px rgba(139, 92, 246, 0.25);
  background: rgba(255, 255, 255, 0.08);
}

.input-hint {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: -4px;
}

.validation-message {
  font-size: 0.85rem;
  font-weight: 500;
  min-height: 20px;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color 0.3s ease;
}

.validation-message.success {
  color: var(--success-color);
}

.validation-message.error {
  color: var(--error-color);
}

.validation-message.warning {
  color: var(--warning-color);
}

.btn {
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  padding: 14px 24px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 1rem;
}

.btn-primary {
  background: var(--primary-gradient);
  color: white;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px 0 rgba(139, 92, 246, 0.3);
  filter: brightness(1.1);
}

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

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.15);
  color: var(--error-color);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.25);
  transform: translateY(-2px);
}

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

/* Preview Section */
.preview-container {
  display: flex;
  justify-content: center;
  align-items: center;
  background: white;
  padding: 20px;
  border-radius: 12px;
  min-height: 150px;
  border: 1px dashed var(--border-color);
  position: relative;
  overflow: hidden;
}

.preview-container svg {
  max-width: 100%;
  height: auto;
}

.preview-empty {
  color: #1f2937;
  font-size: 0.9rem;
  font-style: italic;
  text-align: center;
}

/* History and Grid section */
.list-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.list-actions {
  display: flex;
  gap: 10px;
}

#grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 15px;
  max-height: 500px;
  overflow-y: auto;
  padding-right: 5px;
}

#grid::-webkit-scrollbar {
  width: 6px;
}

#grid::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.02);
  border-radius: 10px;
}

#grid::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
}

#grid::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

.item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 15px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  position: relative;
  transition: all 0.3s ease;
}

.item:hover {
  border-color: rgba(139, 92, 246, 0.4);
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.05);
}

.item-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  background: rgba(139, 92, 246, 0.2);
  color: #a78bfa;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
}

.item-delete {
  position: absolute;
  top: 8px;
  right: 8px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.item-delete:hover {
  color: var(--error-color);
  background: rgba(239, 68, 68, 0.15);
}

.item-preview {
  background: white;
  padding: 10px;
  border-radius: 6px;
  width: 100%;
  display: flex;
  justify-content: center;
  margin-top: 15px;
}

.item-preview svg {
  max-width: 100%;
  height: 50px;
}

.item-value {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--text-primary);
  text-align: center;
  word-break: break-all;
}

/* Alert styles */
.alert-empty {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  text-align: center;
  color: var(--text-secondary);
  border: 1px dashed var(--border-color);
  border-radius: 12px;
  gap: 15px;
}

.alert-empty svg {
  stroke: var(--text-secondary);
  opacity: 0.4;
}

/* PDF Settings UI */
.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
  font-size: 0.95rem;
}

.checkbox-group input {
  cursor: pointer;
  width: 18px;
  height: 18px;
  accent-color: #8b5cf6;
}

.glow-orb {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.08) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
}

.orb-1 {
  top: 10%;
  left: 5%;
}

.orb-2 {
  bottom: 10%;
  right: 5%;
}

.capacity-info {
  font-size: 0.9rem;
  padding: 12px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  margin-top: 10px;
  margin-bottom: 5px;
  text-align: center;
  transition: all 0.3s ease;
}

.capacity-info.success {
  border-color: rgba(16, 185, 129, 0.3);
  background: rgba(16, 185, 129, 0.05);
  color: #a7f3d0;
}

.capacity-info.error {
  border-color: rgba(239, 68, 68, 0.3);
  background: rgba(239, 68, 68, 0.05);
  color: #fca5a5;
}