/* ============================================
   Developer SaaS Dashboard Stylesheet
   Dark theme with neon accents
   ============================================ */

:root {
  /* Color Palette */
  --color-bg-primary: #0d0d0d;
  --color-bg-secondary: #171717;
  --color-bg-tertiary: #262626;
  --color-bg-hover: #333333;
  
  --color-accent: #e8cca4;
  --color-accent-strong: #e99b2d;
  
  --color-text-primary: #e4e4e7;
  --color-text-secondary: #a1a1aa;
  --color-btn-primary-text: #0d0d0d;
  --color-text-muted: #71717a;
  
  --color-border: #27303f;
  --color-border-focus: var(--color-accent);
  
  --color-success: #6ee7b7;
  --color-warning: #fcd34d;
  --color-danger: #ff6666;
  --color-error: #fca5a5;
  --color-info: #7dd3fc;
  
  /* Typography */
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  
  /* Borders */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
}

/* ============================================
   Base Styles
   ============================================ */

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

body {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

h1 { font-size: 2rem; letter-spacing: -0.02em; }
h2 { font-size: 1.5rem; letter-spacing: -0.01em; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

p {
  margin-bottom: var(--space-md);
  color: var(--color-text-secondary);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-text-primary);
  text-decoration: underline;
}

code {
  font-family: var(--font-mono);
  background-color: var(--color-bg-tertiary);
  padding: 0.125rem 0.375rem;
  border-radius: var(--radius-sm);
  font-size: 0.9em;
  color: var(--color-accent);
}

pre {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  overflow-x: auto;
  margin-bottom: var(--space-md);
}

pre code {
  background: none;
  padding: 0;
  color: var(--color-text-primary);
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-btn-primary-text);
  border: 2px solid var(--color-accent);
}

.btn-primary:hover:not(:disabled) {
  border-color: var(--color-accent-strong);
}

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

.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-bg-hover);
  border-color: var(--color-accent);
}

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

.btn-ghost:hover:not(:disabled) {
  background-color: var(--color-bg-tertiary);
  color: var(--color-text-primary);
}

.btn-danger {
  background-color: var(--color-error);
  color: white;
  border-color: var(--color-error);
}

.btn-danger:hover:not(:disabled) {
  background-color: #dc2626;
}

.btn-danger-inverted {
  background-color: transparent;
  color: var(--color-error);
  border-color: var(--color-error);
}

.btn-danger-inverted:hover:not(:disabled) {
  background-color: var(--color-error);
  color: white;
}

.btn-sm {
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.75rem;
}

.btn-lg {
  padding: var(--space-md) var(--space-lg);
  font-size: 1rem;
}

/* ============================================
   Forms
   ============================================ */

.form-group {
  margin-bottom: var(--space-lg);
}

label {
  display: block;
  margin-bottom: var(--space-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-primary);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="search"],
input[type="url"],
textarea,
select {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-text-primary);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-border-focus);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-text-muted);
}

textarea {
  resize: vertical;
  min-height: 100px;
}

select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239ca3af' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-md) center;
  padding-right: 2.5rem;
}

input[type="checkbox"],
input[type="radio"] {
  width: auto;
  margin-right: var(--space-sm);
  cursor: pointer;
}

.form-help {
  display: block;
  margin-top: var(--space-xs);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.form-error {
  display: block;
  margin-top: var(--space-xs);
  font-size: 0.75rem;
  color: var(--color-error);
}

input.error,
textarea.error,
select.error {
  border-color: var(--color-error);
}

/* ============================================
   Tables
   ============================================ */

table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  overflow: hidden;
}

thead {
  background-color: var(--color-bg-tertiary);
}

th {
  padding: var(--space-md);
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
}

td {
  padding: var(--space-md);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-primary);
}

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

tbody tr:hover {
  background-color: var(--color-bg-hover);
}

/* ============================================
   Cards & Panels
   ============================================ */

.card {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
}

.card-header {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.card-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0;
}

.card-body {
  color: var(--color-text-secondary);
}

.card-footer {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

/* ============================================
   Badges & Pills
   ============================================ */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
}

.badge-success {
  background-color: rgba(16, 185, 129, 0.15);
  color: var(--color-success);
}

.badge-warning {
  background-color: rgba(245, 158, 11, 0.15);
  color: var(--color-warning);
}

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

.badge-info {
  background-color: rgba(59, 130, 246, 0.15);
  color: var(--color-info);
}

.badge-accent {
  color: var(--color-accent);
}

/* ============================================
   Alerts
   ============================================ */

.alert {
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border-left: 3px solid;
  margin-bottom: var(--space-md);
}

.alert-info {
  background-color: rgba(59, 130, 246, 0.1);
  border-color: var(--color-info);
  color: var(--color-text-primary);
}

.alert-success {
  background-color: rgba(16, 185, 129, 0.1);
  border-color: var(--color-success);
  color: var(--color-text-primary);
}

.alert-warning {
  background-color: rgba(245, 158, 11, 0.1);
  border-color: var(--color-warning);
  color: var(--color-text-primary);
}

.alert-error {
  background-color: rgba(239, 68, 68, 0.1);
  border-color: var(--color-error);
  color: var(--color-text-primary);
}

/* ============================================
   Utilities
   ============================================ */

.text-muted { color: var(--color-text-muted); }
.text-secondary { color: var(--color-text-secondary); }
.text-accent { color: var(--color-accent); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-error { color: var(--color-error); }

.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

/* ============================================
   Checkout Page Styles
   ============================================ */

.checkout-page,
.checkout-return-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-primary);
  padding: var(--space-lg);
}

.checkout-container {
  max-width: 600px;
  width: 100%;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
}

.checkout-container h1 {
  margin-top: 0;
  margin-bottom: var(--space-xl);
  text-align: center;
  color: var(--color-text-primary);
  font-size: 1.75rem;
}

#checkout {
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

#status-message {
  text-align: center;
  padding: var(--space-xl);
}

#error-message {
  padding: var(--space-md);
  border-radius: var(--radius-md);
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--color-error);
}