/* Tax Tools - Professional Clean Theme */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --secondary: #059669;
  --accent: #dc2626;
  --background: #f8fafc;
  --surface: #ffffff;
  --surface-hover: #f1f5f9;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --success: #16a34a;
  --warning: #ca8a04;
  --error: #dc2626;
  --gradient: linear-gradient(135deg, #2563eb 0%, #059669 100%);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--background);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  font-size: 1.8rem;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 1.5rem;
}

nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

nav a:hover {
  color: var(--primary);
}

/* Hero Section */
.hero {
  padding: 4rem 0;
  text-align: center;
  background: linear-gradient(180deg, var(--surface) 0%, var(--background) 100%);
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text);
}

.hero p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Tool Grid */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  padding: 2rem 0 4rem;
}

.tool-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  text-decoration: none;
  color: var(--text);
  transition: all 0.3s ease;
  position: relative;
}

.tool-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 10px 40px rgba(37, 99, 235, 0.1);
}

.tool-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.tool-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--text);
}

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

/* Calculator Page */
.calculator-page {
  padding: 2rem 0 4rem;
}

.calculator-header {
  text-align: center;
  margin-bottom: 2rem;
}

.calculator-header h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.calculator-header p {
  color: var(--text-muted);
}

.calculator-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .calculator-container {
    grid-template-columns: 1fr;
  }
}

.input-section, .result-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
}

.input-section h2, .result-section h2 {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 480px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* Results */
.result-item {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.result-item:last-child {
  margin-bottom: 0;
}

.result-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
  font-weight: 500;
}

.result-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.result-value.positive {
  color: var(--success);
}

.result-value.negative {
  color: var(--error);
}

.result-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Tax-specific styling */
.tax-bracket {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}

.warning-box {
  background: rgba(202, 138, 4, 0.1);
  border: 1px solid var(--warning);
  border-radius: 8px;
  padding: 1rem;
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--warning);
}

/* Footer */
footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  margin-top: auto;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--primary);
}

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

/* Utility Classes */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 1.8rem;
  }
  
  .header-content {
    flex-direction: column;
    gap: 1rem;
  }
  
  nav ul {
    gap: 1rem;
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}

/* Cookie Consent */
.cookie-consent {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 1rem;
  display: none;
  z-index: 1000;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
}

.cookie-consent.show {
  display: block;
}

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

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

.cookie-buttons {
  display: flex;
  gap: 0.5rem;
}

.btn {
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  font-family: inherit;
  font-weight: 500;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-secondary {
  background: var(--border);
  color: var(--text);
}

.btn-secondary:hover {
  background: var(--surface-hover);
}