/* Modern CSS Variables & Styling system */
:root {
  --bg-base: #060913;
  --bg-surface: rgba(13, 19, 36, 0.6);
  --bg-surface-hover: rgba(22, 31, 57, 0.8);
  --bg-card: rgba(17, 25, 48, 0.7);
  --bg-card-hover: rgba(26, 38, 71, 0.9);
  
  --color-primary: #6366f1; /* Indigo */
  --color-primary-hover: #4f46e5;
  --color-accent: #8b5cf6; /* Violet */
  --color-accent-hover: #7c3aed;
  
  --color-success: #10b981;
  --color-danger: #ef4444;
  --color-warning: #f59e0b;
  
  --color-text: #f8fafc;
  --color-text-muted: #94a3b8;
  --color-text-dim: #64748b;
  
  --border-glass: rgba(255, 255, 255, 0.06);
  --border-glass-hover: rgba(255, 255, 255, 0.12);
  --border-accent: rgba(99, 102, 241, 0.2);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.15);
  
  --font-sans: 'Outfit', 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  min-height: 100%;
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  color: var(--color-text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Background Atmosphere Glows */
.app-background {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.glow {
  position: absolute;
  border-radius: var(--radius-full);
  filter: blur(120px);
  opacity: 0.12;
}

.glow-1 {
  top: -10%;
  left: 10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
  animation: floatGlow1 20s infinite alternate ease-in-out;
}

.glow-2 {
  bottom: -10%;
  right: 10%;
  width: 45vw;
  height: 45vw;
  background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
  animation: floatGlow2 25s infinite alternate ease-in-out;
}

@keyframes floatGlow1 {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(8%, 10%) scale(1.1); }
}

@keyframes floatGlow2 {
  0% { transform: translate(0, 0) scale(1.1); }
  100% { transform: translate(-10%, -8%) scale(0.95); }
}

/* App Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  min-height: 100vh;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-glass);
}

.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-icon {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: var(--color-text);
  padding: 0.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-glow);
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-text h1 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.accent-text {
  background: linear-gradient(90deg, #818cf8, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tagline {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.header-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-full);
}

.badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-success);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--color-success);
}

.badge-text {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

/* Layout Grid */
.layout-grid {
  display: grid;
  grid-template-columns: 350px 1fr;
  gap: 2rem;
  align-items: start;
  flex: 1;
}

/* Glass Card */
.glass-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-md);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
  border-color: var(--border-glass-hover);
}

/* Sidebar Panel */
.sidebar-panel {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.panel-title {
  font-size: 1.1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.panel-title svg {
  color: var(--color-primary);
}

/* Search Form */
.search-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.search-input-wrapper {
  position: relative;
  width: 100%;
}

#search-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  color: var(--color-text);
  padding: 0.9rem 2.8rem 0.9rem 1rem;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

#search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: var(--shadow-glow);
}

#search-input::placeholder {
  color: var(--color-text-dim);
}

.clear-btn {
  position: absolute;
  right: 0.8rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-text-dim);
  cursor: pointer;
  padding: 0.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.clear-btn:hover {
  color: var(--color-text);
  background-color: rgba(255, 255, 255, 0.08);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #ffffff;
  border: none;
  padding: 0.9rem 1.5rem;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
  filter: brightness(1.1);
}

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

/* History Section */
.history-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  border-top: 1px solid var(--border-glass);
  padding-top: 1.5rem;
}

.history-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.history-header h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.history-count {
  font-size: 0.75rem;
  font-weight: 600;
  background-color: rgba(255, 255, 255, 0.06);
  padding: 0.1rem 0.5rem;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
}

.history-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-height: 250px;
  overflow-y: auto;
  padding-right: 0.2rem;
}

.history-list::-webkit-scrollbar {
  width: 4px;
}

.history-list::-webkit-scrollbar-thumb {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
}

.history-empty {
  font-size: 0.85rem;
  color: var(--color-text-dim);
  text-align: center;
  padding: 1.5rem 0;
}

.history-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-glass);
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.history-item:hover {
  background-color: var(--bg-surface-hover);
  border-color: var(--border-accent);
  transform: translateX(4px);
}

.history-keyword {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 200px;
}

.history-meta {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.history-hits {
  font-size: 0.75rem;
  color: var(--color-primary-light);
  background-color: rgba(99, 102, 241, 0.12);
  padding: 0.1rem 0.35rem;
  border-radius: var(--radius-sm);
}

/* Results Panel Base */
.results-panel {
  padding: 2rem;
  min-height: 500px;
  display: flex;
  flex-direction: column;
}

/* State Containers (Initial, Loading, Error) */
.state-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  flex: 1;
  padding: 2rem;
}

.state-icon-wrapper {
  color: var(--color-primary);
  background: rgba(99, 102, 241, 0.06);
  border: 1px solid var(--border-accent);
  width: 96px;
  height: 96px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.state-icon-wrapper.error-icon {
  color: var(--color-danger);
  background: rgba(239, 68, 68, 0.06);
  border-color: rgba(239, 68, 68, 0.2);
}

.state-container h2 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.state-container p {
  color: var(--color-text-muted);
  max-width: 450px;
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.quick-tips {
  display: flex;
  gap: 1rem;
  max-width: 500px;
  width: 100%;
}

.tip-card {
  flex: 1;
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-glass);
  padding: 1rem;
  border-radius: var(--radius-md);
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.tip-card strong {
  font-size: 0.85rem;
  color: var(--color-primary-light);
}

.tip-card span {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* Spinner Loader */
.loader-spinner {
  position: relative;
  width: 48px;
  height: 48px;
  margin-bottom: 1.5rem;
}

.spinner-ring {
  width: 100%;
  height: 100%;
  border: 3px solid rgba(255, 255, 255, 0.05);
  border-top-color: var(--color-primary);
  border-right-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 1s infinite linear;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Skeleton Loaders */
.skeleton-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
  max-width: 600px;
  margin-top: 1.5rem;
}

.skeleton-card {
  height: 90px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.02) 25%, rgba(255, 255, 255, 0.06) 50%, rgba(255, 255, 255, 0.02) 75%);
  background-size: 200% 100%;
  animation: skeleton-pulse 1.5s infinite;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
}

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

/* Retry Button */
.btn-secondary {
  background-color: rgba(255, 255, 255, 0.06);
  color: var(--color-text);
  border: 1px solid var(--border-glass);
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--color-text-muted);
}

/* Success State Results */
.results-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  flex: 1;
}

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 1rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--border-glass);
}

.results-meta {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

#results-title {
  font-size: 1.3rem;
  font-weight: 600;
}

#results-count-text {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.cache-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  margin-top: 0.25rem;
  align-self: flex-start;
}

.results-actions {
  display: flex;
  gap: 0.75rem;
}

.btn-action {
  background-color: rgba(255, 255, 255, 0.04);
  color: var(--color-text-muted);
  border: 1px solid var(--border-glass);
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: all var(--transition-fast);
}

.btn-action:hover {
  color: var(--color-text);
  background-color: rgba(255, 255, 255, 0.08);
  border-color: var(--color-text-muted);
}

.btn-action svg {
  transition: transform var(--transition-fast);
}

.btn-action:hover svg {
  transform: scale(1.1);
}

.results-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Card item */
.result-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.result-card:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.card-company-info {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.card-icon {
  background-color: rgba(99, 102, 241, 0.1);
  color: var(--color-primary-light);
  padding: 0.4rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.1rem;
}

.card-title {
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-text);
}

.card-actions {
  display: flex;
  gap: 0.5rem;
}

.card-body {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding-left: 2.25rem;
}

.card-row {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 0.5rem;
  font-size: 0.85rem;
  align-items: center;
}

.row-label {
  color: var(--color-text-dim);
  font-weight: 500;
}

.row-value-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background-color: rgba(0, 0, 0, 0.15);
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.02);
}

.row-value {
  color: var(--color-text);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tax-code-value {
  font-family: monospace;
  font-size: 0.95rem;
  color: #818cf8;
  letter-spacing: 0.5px;
}

.btn-card-copy {
  background: none;
  border: none;
  color: var(--color-text-dim);
  cursor: pointer;
  padding: 0.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.btn-card-copy:hover {
  color: var(--color-text);
  background-color: rgba(255, 255, 255, 0.08);
}

/* Toast Alerts */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  z-index: 1000;
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  pointer-events: none;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.toast-content {
  background-color: #1e293b;
  border: 1px solid var(--color-primary);
  box-shadow: var(--shadow-lg);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.toast-icon {
  color: var(--color-success);
}

.toast-message {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
}

/* Responsive Rules */
@media (max-width: 900px) {
  .layout-grid {
    grid-template-columns: 1fr;
  }
  
  .container {
    padding: 1rem;
  }
  
  .app-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  
  .header-badge {
    align-self: flex-start;
  }
}

@media (max-width: 480px) {
  .results-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .results-actions {
    width: 100%;
    justify-content: flex-end;
  }
  
  .card-body {
    padding-left: 0;
  }
  
  .card-row {
    grid-template-columns: 1fr;
    align-items: flex-start;
    gap: 0.25rem;
  }
}

/* Print / PDF Styles */
@media print {
  /* Hide all interactive app chrome components */
  body, html {
    background: #ffffff !important;
    color: #000000 !important;
    font-size: 12pt;
  }
  
  .app-background,
  .app-header,
  .sidebar-panel,
  .results-actions,
  .btn-card-copy,
  .toast,
  .cache-badge {
    display: none !important;
  }
  
  .container {
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
  }
  
  .layout-grid {
    display: block !important;
  }
  
  .results-panel {
    border: none !important;
    background: none !important;
    box-shadow: none !important;
    padding: 0 !important;
    margin: 0 !important;
  }
  
  .results-header {
    border-bottom: 2px solid #000000 !important;
    padding-bottom: 10px !important;
    margin-bottom: 20px !important;
  }
  
  #results-title {
    color: #000000 !important;
    font-size: 18pt !important;
    font-weight: bold !important;
  }
  
  #results-count-text {
    color: #333333 !important;
  }
  
  .result-card {
    border: none !important;
    border-bottom: 1px dashed #666666 !important;
    background: none !important;
    box-shadow: none !important;
    padding: 15px 0 !important;
    margin: 0 !important;
    page-break-inside: avoid;
  }
  
  .card-icon {
    display: none !important;
  }
  
  .card-title {
    font-size: 14pt !important;
    color: #000000 !important;
    text-transform: uppercase !important;
    font-weight: bold !important;
  }
  
  .card-body {
    padding-left: 0 !important;
  }
  
  .card-row {
    grid-template-columns: 120px 1fr !important;
    margin-top: 5px !important;
  }
  
  .row-label {
    color: #333333 !important;
    font-weight: bold !important;
  }
  
  .row-value-wrapper {
    background: none !important;
    border: none !important;
    padding: 0 !important;
  }
  
  .row-value {
    color: #000000 !important;
    font-weight: normal !important;
  }
  
  .tax-code-value {
    color: #000000 !important;
    font-weight: bold !important;
    font-size: 11pt !important;
  }
}