/* ========================================
   SloanOps Client Onboarding Form - Styles
   ======================================== */

*, *::before, *::after {
  box-sizing: border-box;
}

:root {
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-light: #dbeafe;
  --color-success: #059669;
  --color-success-hover: #047857;
  --color-success-light: #d1fae5;
  --color-danger: #dc2626;
  --color-danger-hover: #b91c1c;
  --color-warning: #d97706;
  --color-bg: #f8fafc;
  --color-bg-card: #ffffff;
  --color-border: #e2e8f0;
  --color-border-focus: #2563eb;
  --color-text: #1e293b;
  --color-text-secondary: #64748b;
  --color-text-muted: #94a3b8;
  --color-white: #ffffff;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --container-max: 768px;
  --header-height: 64px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-primary: #3b82f6;
    --color-primary-hover: #60a5fa;
    --color-primary-light: #1e3a5f;
    --color-success: #10b981;
    --color-success-hover: #34d399;
    --color-success-light: #064e3b;
    --color-danger: #ef4444;
    --color-danger-hover: #f87171;
    --color-warning: #f59e0b;
    --color-bg: #0f172a;
    --color-bg-card: #1e293b;
    --color-border: #334155;
    --color-border-focus: #3b82f6;
    --color-text: #f1f5f9;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;
    --color-white: #0f172a;
  }
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ========================================
   Header
   ======================================== */
.site-header {
  background: var(--color-bg-card);
  border-bottom: 1px solid var(--color-border);
  padding: 2rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  background: rgba(var(--color-bg-card), 0.9);
}

.header-content {
  text-align: center;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.logo-icon {
  width: 40px;
  height: 40px;
  color: var(--color-primary);
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.site-header h1 {
  margin: 0 0 0.5rem;
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.subtitle {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 1.1rem;
}

/* ========================================
   Main
   ======================================== */
.site-main {
  flex: 1;
  padding: 2rem 0;
}

/* ========================================
   Progress Bar
   ======================================== */
.progress-bar {
  position: relative;
  height: 4px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  margin-bottom: 2rem;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-normal);
  width: 12.5%;
}

.progress-steps {
  display: flex;
  justify-content: space-between;
  margin-top: 0.75rem;
  pointer-events: none;
}

.progress-step {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-border);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  border: 3px solid var(--color-bg);
  transition: all var(--transition-fast);
  pointer-events: auto;
  cursor: pointer;
}

.progress-step.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-bg);
}

.progress-step.completed {
  background: var(--color-success);
  color: var(--color-white);
  border-color: var(--color-bg);
}

.progress-step::after {
  content: attr(data-step);
}

/* ========================================
   Form Sections
   ======================================== */
.form-section {
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.form-section.hidden {
  display: none;
}

.section-header {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.section-header h2 {
  margin: 0 0 0.25rem;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
}

.section-desc {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* ========================================
   Field Groups
   ======================================== */
.field-group {
  margin-bottom: 1.25rem;
}

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

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

@media (max-width: 640px) {
  .field-row {
    grid-template-columns: 1fr;
  }
}

label {
  display: block;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.required-mark {
  color: var(--color-danger);
  margin-left: 0.125rem;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
input[type="password"],
textarea,
select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:hover,
textarea:hover,
select:hover {
  border-color: #cbd5e1;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

input:invalid:not(:placeholder-shown),
textarea:invalid:not(:placeholder-shown) {
  border-color: var(--color-danger);
}

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

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

.field-hint {
  display: block;
  margin-top: 0.375rem;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

.field-hint code {
  background: var(--color-bg);
  padding: 0.125rem 0.375rem;
  border-radius: var(--radius-sm);
  font-size: 0.75em;
  font-family: monospace;
}

/* Checkbox Groups */
.checkbox-group {
  margin-bottom: 1rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 0;
  padding: 0.75rem 1rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.checkbox-label:hover {
  border-color: #cbd5e1;
}

.checkbox-label input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--color-primary);
  flex-shrink: 0;
  cursor: pointer;
}

/* Hidden utility */
.hidden {
  display: none !important;
}

/* ========================================
   Repeaters (Dynamic Lists)
   ======================================== */
.repeater {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.repeater h3 {
  margin: 0 0 1rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

.repeater-items {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.repeater-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  position: relative;
  animation: slideIn 0.2s ease;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}

.repeater-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border);
}

.repeater-item-title {
  font-weight: 600;
  color: var(--color-text);
  font-size: 0.95rem;
}

.btn-remove {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-remove:hover {
  background: var(--color-bg);
  color: var(--color-danger);
}

.btn-remove svg {
  width: 20px;
  height: 20px;
}

.repeater-fields {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.75rem;
}

.repeater-fields.single-column {
  grid-template-columns: 1fr;
}

.repeater-fields .field-group {
  margin-bottom: 0;
}

.btn-add {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-primary);
  background: var(--color-primary-light);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-top: 0.5rem;
}

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

.btn-add svg {
  width: 18px;
  height: 18px;
}

/* Specific repeater field layouts */
.feature-fields .repeater-fields {
  grid-template-columns: 1fr 1fr 120px;
}

.value-fields .repeater-fields {
  grid-template-columns: 1fr 1fr 120px;
}

.team-fields .repeater-fields {
  grid-template-columns: 1fr 1fr 2fr 140px;
}

.process-fields .repeater-fields {
  grid-template-columns: 80px 1fr 2fr;
}

.service-fields .repeater-fields {
  grid-template-columns: 1fr 1fr 100px 1fr 100px 120px 120px;
}

.category-fields .repeater-fields {
  grid-template-columns: 1fr 1fr;
}

.product-fields .repeater-fields {
  grid-template-columns: 1fr 1fr 140px 100px 140px 1fr;
}

@media (max-width: 900px) {
  .feature-fields .repeater-fields,
  .value-fields .repeater-fields,
  .team-fields .repeater-fields,
  .process-fields .repeater-fields,
  .service-fields .repeater-fields,
  .category-fields .repeater-fields,
  .product-fields .repeater-fields {
    grid-template-columns: 1fr;
  }
}

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

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

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

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

.btn-secondary {
  background: var(--color-bg-card);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
  border-color: #cbd5e1;
  background: var(--color-bg);
}

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

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

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

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

.btn svg {
  width: 18px;
  height: 18px;
}

/* ========================================
   Form Navigation
   ======================================== */
.form-navigation {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 2rem;
  margin-top: 1rem;
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.nav-spacer {
  flex: 1;
}

/* ========================================
   Success State
   ======================================== */
.success-state {
  text-align: center;
  padding: 3rem 1rem;
  animation: fadeIn 0.4s ease;
}

.success-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  background: var(--color-success-light);
  color: var(--color-success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.success-icon svg {
  width: 40px;
  height: 40px;
}

.success-state h2 {
  margin: 0 0 0.75rem;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text);
}

.success-state p {
  margin: 0 0 2rem;
  color: var(--color-text-secondary);
  font-size: 1.1rem;
}

.success-state .btn {
  margin: 0 0.5rem;
}

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

.site-footer p {
  margin: 0;
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

/* ========================================
   Toast Notifications
   ======================================== */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  animation: slideInRight 0.3s ease;
  max-width: 360px;
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(100%); }
  to { opacity: 1; transform: translateX(0); }
}

.toast.success {
  border-left: 4px solid var(--color-success);
}

.toast.error {
  border-left: 4px solid var(--color-danger);
}

.toast.info {
  border-left: 4px solid var(--color-primary);
}

.toast-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
}

.toast.success .toast-icon { color: var(--color-success); }
.toast.error .toast-icon { color: var(--color-danger); }
.toast.info .toast-icon { color: var(--color-primary); }

.toast-message {
  flex: 1;
  font-size: 0.9rem;
  color: var(--color-text);
}

.toast-close {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.toast-close:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

/* ========================================
   Focus Visible (Accessibility)
   ======================================== */
*:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
.checkbox-label:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ========================================
   Reduced Motion
   ======================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
  .site-header, .form-navigation, .progress-bar, .site-footer {
    display: none !important;
  }
  .form-section.hidden {
    display: block !important;
    page-break-after: always;
  }
  .repeater-item {
    page-break-inside: avoid;
  }
  body {
    background: white;
  }
}