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

:root {
  --color-bg-primary: #0f172a;
  --color-bg-secondary: #1e293b;
  --color-bg-card: #1e1e2f;
  --color-text-primary: #f1f5f9;
  --color-text-secondary: #94a3b8;
  --color-accent: #3b82f6;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-border: #334155;
}

[data-theme='light'] {
  --color-bg-primary: #f8fafc;
  --color-bg-secondary: #f1f5f9;
  --color-bg-card: #ffffff;
  --color-text-primary: #0f172a;
  --color-text-secondary: #475569;
  --color-accent: #2563eb;
  --color-success: #059669;
  --color-warning: #d97706;
  --color-error: #dc2626;
  --color-border: #e2e8f0;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.5;
  transition: background-color 0.3s, color 0.3s;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Navbar */
.navbar {
  background-color: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 4rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  color: var(--color-accent);
}

.logo-text {
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  background: linear-gradient(to right, var(--color-accent), #22d3ee);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.theme-toggle {
  background: var(--color-bg-card);
  border: none;
  color: var(--color-text-secondary);
  padding: 0.5rem;
  border-radius: 9999px;
  cursor: pointer;
  transition: background-color 0.3s;
}

.theme-toggle:hover {
  background-color: var(--color-bg-secondary);
}

[data-theme='dark'] .sun-icon {
  display: block;
}

[data-theme='dark'] .moon-icon {
  display: none;
}

[data-theme='light'] .sun-icon {
  display: none;
}

[data-theme='light'] .moon-icon {
  display: block;
}

/* Main Content */
main {
  flex: 1;
}

.header {
  text-align: center;
  margin: 2rem 0;
}

.header h1 {
  font-family: 'Orbitron', sans-serif;
  font-size: 2rem;
  margin-bottom: 0.5rem;
  background: linear-gradient(to right, var(--color-accent), #22d3ee);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.header p {
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.calculator-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin: 2rem 0;
}

@media (min-width: 768px) {
  .calculator-grid {
    grid-template-columns: minmax(350px, 450px) minmax(350px, 450px);
    justify-content: center;
  }
}

.calculator-form {
  background-color: var(--color-bg-secondary);
  padding: 1.5rem;
  border-radius: 0.5rem;
  border: 1px solid var(--color-border);
  transition: box-shadow 0.3s;
}

.calculator-form:hover {
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.1);
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: 0.25rem;
}

.input-wrapper {
  position: relative;
}

input {
  width: 100%;
  padding: 0.5rem 1rem;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 0.375rem;
  color: var(--color-text-primary);
  font-size: 1rem;
  transition: border-color 0.3s, box-shadow 0.3s;
}

input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.info-tooltip {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-secondary);
  cursor: help;
}

.info-tooltip::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  right: 0;
  background-color: var(--color-bg-card);
  padding: 0.5rem;
  border-radius: 0.25rem;
  font-size: 0.75rem;
  white-space: nowrap;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.3s;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  margin-bottom: 0.5rem;
}

.info-tooltip:hover::before {
  visibility: visible;
  opacity: 1;
}

.dca-entry,
.tp-entry {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.dca-price,
.tp-price {
  flex: 1;
}

.remove-dca,
.remove-tp {
  background: none;
  border: none;
  color: var(--color-error);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0 0.5rem;
  transition: color 0.3s;
}

.remove-dca:hover,
.remove-tp:hover {
  color: var(--color-error);
}

.add-button {
  width: 100%;
  padding: 0.5rem;
  background: var(--color-bg-card);
  border: 1px dashed var(--color-border);
  color: var(--color-text-secondary);
  border-radius: 0.375rem;
  cursor: pointer;
  transition: all 0.3s;
  margin-top: 0.5rem;
}

.add-button:hover {
  background: var(--color-bg-secondary);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.optional {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.calculate-button {
  width: 100%;
  padding: 0.75rem;
  background-color: var(--color-accent);
  color: white;
  border: none;
  border-radius: 0.375rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.3s, transform 0.1s;
}

.calculate-button:hover {
  background-color: #2563eb;
}

.calculate-button:active {
  transform: scale(0.98);
}

.results {
  background-color: var(--color-bg-secondary);
  padding: 1.5rem;
  border-radius: 0.5rem;
  border: 1px solid var(--color-border);
  transition: box-shadow 0.3s;
  min-height: 100%;
}

.results:hover {
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.1);
}

.results-placeholder {
  color: var(--color-text-secondary);
  text-align: center;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.result-section {
  background: var(--color-bg-card);
  padding: 1.25rem;
  border-radius: 0.5rem;
  border: 1px solid var(--color-border);
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  transition: transform 0.2s, box-shadow 0.2s;
}

.result-section:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(59, 130, 246, 0.1);
}

.result-section h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.5rem;
}

.result-section h2 {
  color: var(--color-text-primary);
}

.result-section div {
  color: var(--color-text-primary);
}

.risk-bar {
  width: 100%;
  height: 0.5rem;
  background-color: rgba(239, 68, 68, 0.1);
  border-radius: 9999px;
  margin: 0.75rem 0;
  overflow: hidden;
}

.risk-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #f87171, #ef4444);
  border-radius: 9999px;
  transition: width 0.3s ease-out;
}

.copy-trade {
  display: flex;
  justify-content: center;
  margin-top: 1.5rem;
}

.copy-button {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 0.375rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all 0.3s;
}

.copy-button:hover {
  background: rgba(59, 130, 246, 0.2);
  border-color: rgba(59, 130, 246, 0.3);
  color: var(--color-accent);
}

.copy-button .check-icon {
  display: none;
}

.copy-button.copied .copy-icon {
  display: none;
}

.copy-button.copied .check-icon {
  display: block;
  color: var(--color-success);
}

/* Footer */
.footer {
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: 1.5rem 0;
  margin-top: auto;
}

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

.donate {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-secondary);
}

.address-wrapper {
  display: flex;
  align-items: center;
  background-color: var(--color-bg-card);
  padding: 0.375rem 0.75rem;
  border-radius: 0.375rem;
  font-family: monospace;
}

.address {
  font-size: 0.875rem;
}

@media (max-width: 640px) {
  .address {
    display: none;
  }

  .address-wrapper::before {
    content: attr(data-short);
    font-size: 0.875rem;
  }
}

.chart-container {
  margin-top: 2rem;
  padding: 1rem;
  background-color: var(--color-bg-secondary);
  border-radius: 0.5rem;
  border: 1px solid var(--color-border);
  transition: box-shadow 0.3s;
}

.chart-container:hover {
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.1);
}