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

:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  
  /* Color Palette - Minimalist Slate & Neutral */
  --bg-app: #f8fafc;
  --bg-card: #ffffff;
  --bg-input: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  
  --border-color: #e2e8f0;
  --border-input: #cbd5e1;
  --border-focus: #64748b;
  --ring-focus: rgba(100, 116, 139, 0.15);
  
  --success-bg: #f0fdf4;
  --success-border: #bbf7d0;
  --success-text: #166534;
  
  --error-bg: #fef2f2;
  --error-border: #fecaca;
  --error-text: #991b1b;
  
  --btn-primary-bg: #0f172a;
  --btn-primary-hover: #1e293b;
  --btn-primary-text: #ffffff;
  
  --btn-secondary-bg: #ffffff;
  --btn-secondary-hover: #f8fafc;
  --btn-secondary-border: #cbd5e1;
  --btn-secondary-text: #334155;
}

[data-theme="dark"] {
  --bg-app: #0f172a;
  --bg-card: #1e293b;
  --bg-input: #0f172a;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  
  --border-color: #334155;
  --border-input: #475569;
  --border-focus: #94a3b8;
  --ring-focus: rgba(148, 163, 184, 0.15);
  
  --success-bg: rgba(22, 101, 52, 0.15);
  --success-border: #166534;
  --success-text: #4ade80;
  
  --error-bg: rgba(153, 27, 27, 0.15);
  --error-border: #991b1b;
  --error-text: #f87171;
  
  --btn-primary-bg: #f8fafc;
  --btn-primary-hover: #e2e8f0;
  --btn-primary-text: #0f172a;
  
  --btn-secondary-bg: #1e293b;
  --btn-secondary-hover: #334155;
  --btn-secondary-border: #475569;
  --btn-secondary-text: #f8fafc;
}

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

[hidden] {
  display: none !important;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Page Container */
.commission-page {
  max-width: 640px;
  margin: 3rem auto;
  padding: 0 1.5rem;
}

@media (max-width: 640px) {
  .commission-page {
    margin: 1.5rem auto;
  }
}

/* Header Section */
.page-header {
  margin-bottom: 2.5rem;
  text-align: center;
}

.page-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.025em;
  margin-bottom: 0.5rem;
}

.page-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto;
}

/* Card Form Container */
.commission-form {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2.5rem;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px 0 rgba(0, 0, 0, 0.03);
}

@media (max-width: 480px) {
  .commission-form {
    padding: 1.5rem;
  }
}

/* Fieldset Sectioning */
.form-section {
  border: none;
  margin-bottom: 2rem;
}

.form-section legend {
  width: 100%;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
  margin-bottom: 1.25rem;
}

.form-hint {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: -0.75rem;
  margin-bottom: 1.25rem;
}

/* Labels and Fields */
.form-field {
  display: block;
  margin-bottom: 1.25rem;
}

.form-field:last-child {
  margin-bottom: 0;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.375rem;
}

/* Text Inputs, Textareas */
input[type="text"],
input[type="email"],
input[type="number"],
input[type="url"],
textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-family: inherit;
  font-size: 0.95rem;
  border: 1px solid var(--border-input);
  border-radius: 6px;
  background-color: var(--bg-input);
  color: var(--text-primary);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="number"]:focus,
input[type="url"]:focus,
textarea:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--ring-focus);
}

textarea {
  resize: vertical;
}

/* Radio & Checkbox Card Styling */
.form-field--radio {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease;
  margin-bottom: 0.5rem;
}

.form-field--radio:hover {
  background-color: var(--bg-app);
  border-color: #cbd5e1;
}

.form-field--radio input[type="radio"] {
  accent-color: var(--text-primary);
  width: 1rem;
  height: 1rem;
  cursor: pointer;
}

.form-field--radio .form-label {
  display: inline;
  margin-bottom: 0;
  font-weight: 400;
  color: var(--text-primary);
  cursor: pointer;
}

.form-field--radio .form-note {
  margin-left: auto;
  font-size: 0.825rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Radio Group */
.form-field--radio-group {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.form-field--radio-group .form-field--radio {
  flex: 1;
  margin-bottom: 0;
}

@media (max-width: 480px) {
  .form-field--radio-group {
    flex-direction: column;
    gap: 0.5rem;
  }
}

/* Checkbox Style */
.form-field--checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
}

.form-field--checkbox input[type="checkbox"] {
  accent-color: var(--text-primary);
  width: 1.1rem;
  height: 1.1rem;
  margin-top: 0.15rem;
  cursor: pointer;
}

.form-label--small {
  display: inline;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.4;
  font-weight: 400;
}

/* Dynamic Links List */
.links-list {
  margin-bottom: 1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.625rem 1rem;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease, opacity 0.15s ease;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn--primary {
  background-color: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  margin-top: 1rem;
}

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

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

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

/* Form Errors */
.form-error {
  background-color: var(--error-bg);
  border: 1px solid var(--error-border);
  color: var(--error-text);
  padding: 0.75rem 1rem;
  border-radius: 6px;
  font-size: 0.875rem;
  margin-top: 1.25rem;
  margin-bottom: 1.25rem;
}

/* Success Result State */
.result {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2.5rem;
  text-align: center;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
}

.result-message {
  font-size: 1.125rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

.result-message strong {
  display: block;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 0.5rem;
  letter-spacing: 0.05em;
  font-family: monospace;
}

.result-hint {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.result-hint a {
  color: var(--text-primary);
  text-decoration: underline;
  font-weight: 500;
}

.result-hint a:hover {
  color: var(--text-secondary);
}

/* Floating Theme Toggle Button */
.theme-toggle-btn {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-primary);
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.theme-toggle-btn:hover {
  background-color: var(--bg-app);
  border-color: var(--border-focus);
}

.theme-toggle-btn:active {
  transform: scale(0.95);
}

/* Light theme shows moon, hides sun */
.theme-toggle-btn .theme-icon-sun {
  display: none;
}
.theme-toggle-btn .theme-icon-moon {
  display: block;
}

/* Dark theme shows sun, hides moon */
[data-theme="dark"] .theme-toggle-btn .theme-icon-sun {
  display: block;
}
[data-theme="dark"] .theme-toggle-btn .theme-icon-moon {
  display: none;
}

/* Status Badges */
.status-badge {
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.375rem 0.875rem;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.status-badge--new {
  background-color: #eff6ff;
  color: #1d4ed8;
}
.status-badge--reviewing {
  background-color: #fef3c7;
  color: #b45309;
}
.status-badge--accepted {
  background-color: #ecfdf5;
  color: #047857;
}
.status-badge--declined {
  background-color: #fdf2f8;
  color: #be185d;
}
.status-badge--in_progress {
  background-color: #faf5ff;
  color: #6b21a8;
}
.status-badge--completed {
  background-color: #f0fdf4;
  color: #166534;
}

/* Dark theme status badge overrides */
[data-theme="dark"] .status-badge--new {
  background-color: rgba(29, 78, 216, 0.15);
  color: #60a5fa;
}
[data-theme="dark"] .status-badge--reviewing {
  background-color: rgba(180, 83, 9, 0.15);
  color: #f59e0b;
}
[data-theme="dark"] .status-badge--accepted {
  background-color: rgba(4, 120, 87, 0.15);
  color: #34d399;
}
[data-theme="dark"] .status-badge--declined {
  background-color: rgba(190, 24, 93, 0.15);
  color: #f472b6;
}
[data-theme="dark"] .status-badge--in_progress {
  background-color: rgba(107, 33, 168, 0.15);
  color: #c084fc;
}
[data-theme="dark"] .status-badge--completed {
  background-color: rgba(22, 101, 52, 0.15);
  color: #4ade80;
}