/* ================================================
   DECISION TEAM — "QUIET CONFIDENCE" DESIGN SYSTEM
   Com0.1, 0.9, 0.2, 1onent Styles
   ================================================ */

/* ========== BUTTONS ========== */
.dt-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-weight: var(--font-semibold);
  text-decoration: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
  white-space: nowrap;
}

.dt-btn:focus-visible {
  outline: 2px solid var(--primary-600);
  outline-offset: 2px;
}

.dt-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Button Sizes - BEM: .dt-btn--sm, .dt-btn--md, .dt-btn--lg */
.dt-btn-sm,
.dt-btn--sm {
  height: 32px;
  padding: 0 var(--space-3);
  font-size: var(--text-sm);
}

.dt-btn-md,
.dt-btn--md {
  height: 40px;
  padding: 0 var(--space-4);
  font-size: var(--text-sm);
}

.dt-btn-lg,
.dt-btn--lg {
  height: 48px;
  padding: 0 var(--space-6);
  font-size: var(--text-base);
}

/* Button Variants - BEM: .dt-btn--primary, .dt-btn--secondary, etc. */
.dt-btn-primary,
.dt-btn--primary {
  background-color: var(--primary-600);
  color: var(--text-inverse);
}

.dt-btn-primary:hover,
.dt-btn--primary:hover {
  background-color: var(--primary-700);
  color: var(--text-inverse);
}

.dt-btn-primary:active,
.dt-btn--primary:active {
  background-color: var(--primary-800);
}

.dt-btn-secondary,
.dt-btn--secondary {
  background-color: var(--bg-subtle);
  color: var(--text-primary);
}

.dt-btn-secondary:hover,
.dt-btn--secondary:hover {
  background-color: var(--border-default);
  color: var(--text-primary);
}

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

.dt-btn-ghost:hover,
.dt-btn--ghost:hover {
  background-color: var(--bg-subtle);
  color: var(--text-primary);
}

.dt-btn-accent,
.dt-btn--accent {
  background-color: var(--accent-500);
  color: var(--text-inverse);
}

.dt-btn-accent:hover,
.dt-btn--accent:hover {
  background-color: var(--accent-600);
  color: var(--text-inverse);
}

.dt-btn-danger,
.dt-btn--danger {
  background-color: var(--error-500);
  color: var(--text-inverse);
}

.dt-btn-danger:hover,
.dt-btn--danger:hover {
  background-color: var(--error-600);
  color: var(--text-inverse);
}

.dt-btn-success,
.dt-btn--success {
  background-color: var(--success-500);
  color: var(--text-inverse);
}

.dt-btn-success:hover,
.dt-btn--success:hover {
  background-color: var(--success-600);
  color: var(--text-inverse);
}

.dt-btn-outline,
.dt-btn--outline {
  background-color: transparent;
  border: 1px solid var(--border-default);
  color: var(--text-primary);
}

.dt-btn-outline:hover,
.dt-btn--outline:hover {
  background-color: var(--bg-subtle);
  border-color: var(--text-tertiary);
}

.dt-btn-outline-primary,
.dt-btn--outline-primary {
  background-color: transparent;
  border: 2px solid var(--primary-600);
  color: var(--primary-600);
}

.dt-btn-outline-primary:hover,
.dt-btn--outline-primary:hover {
  background-color: var(--primary-100);
}

/* Full Width Button - BEM: .dt-btn--block */
.dt-btn-block,
.dt-btn--block {
  width: 100%;
}

/* ========== FORM INPUTS ========== */
.dt-form-input {
  display: block;
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  background: var(--bg-page);
  color: var(--text-primary);
  transition: border-color var(--duration-fast) ease;
}

.dt-form-input:focus {
  outline: none;
  border-color: var(--primary-500);
}

.dt-form-input::placeholder {
  color: var(--text-tertiary);
}

.dt-form-input:disabled,
.dt-form-input[readonly] {
  background: var(--bg-subtle);
  color: var(--text-secondary);
  cursor: not-allowed;
}

/* Input Size */
.dt-form-input--lg {
  padding: 0.625rem 1rem;
  font-size: var(--text-base);
}

/* Textarea */
.dt-textarea {
  min-height: 100px;
  padding: var(--space-3);
  resize: vertical;
}

/* Form Label */
.dt-form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
}

/* Form Label Row (label + link side by side) */
.dt-form-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.35rem;
}

.dt-form-label-row .dt-form-label {
  margin-bottom: 0;
}

/* Form Static (read-only display value) */
.dt-form-static {
  font-size: 0.875rem;
  color: var(--text-primary);
  padding: 0.5rem 0;
}

/* Form Value with Icon (read-only value with inline icon support) */
.dt-form-value-with-icon {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-primary);
  padding: 0.25rem 0;
}

/* Form Help Text */
.dt-help-text {
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

.dt-error-text {
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  color: var(--error-500);
}

/* ========== CARDS ========== */
.dt-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: box-shadow var(--duration-normal) var(--ease-default),
              transform var(--duration-fast) var(--ease-out);
}

/* Card Modifier - BEM: .dt-card--hover */
.dt-card-hover:hover,
.dt-card--hover:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
}

/* Card Body - BEM: .dt-card__body */
.dt-card-body,
.dt-card__body {
  padding: var(--space-4);
}

/* Card Body Large - BEM: .dt-card__body--lg */
.dt-card-body-lg,
.dt-card__body--lg {
  padding: var(--space-6);
}

/* ========== TOP BAR / NAVBAR ========== */
.dt-topbar {
  background-color: var(--primary-800);
  padding: var(--space-3) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Topbar Brand - BEM: .dt-topbar__brand */
.dt-topbar-brand,
.dt-topbar__brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-inverse);
  text-decoration: none;
  font-weight: var(--font-bold);
  font-size: var(--text-base);
}

.dt-topbar-brand:hover,
.dt-topbar__brand:hover {
  color: var(--text-inverse);
}

.dt-brand-icon {
  width: 25px;
  height: 25px;
  border-radius: var(--radius-sm);
  object-fit: contain;
  flex-shrink: 0;
}

.dt-brand-text-logo {
  height: 18px;
  width: auto;
  object-fit: contain;
}

/* Topbar Nav - BEM: .dt-topbar__nav */
.dt-topbar-nav,
.dt-topbar__nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.dt-topbar-link {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  transition: color var(--duration-fast) var(--ease-out);
}

.dt-topbar-link:hover {
  color: var(--text-inverse);
}

.dt-topbar-link.active {
  color: var(--text-inverse);
  font-weight: var(--font-semibold);
}

/* ========== FOOTER ========== */
.dt-footer {
  background-color: var(--primary-800);
  padding: var(--space-8) var(--space-6);
  text-align: center;
}

.dt-footer-links {
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  margin-bottom: var(--space-4);
}

.dt-footer-link {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: var(--text-sm);
  transition: color var(--duration-fast) var(--ease-out);
}

.dt-footer-link:hover {
  color: var(--text-inverse);
}

.dt-footer-copyright {
  color: rgba(255, 255, 255, 0.4);
  font-size: var(--text-xs);
}

/* ========== AVATARS ========== */
.dt-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  font-weight: var(--font-bold);
  color: var(--text-inverse);
  flex-shrink: 0;
}

/* Avatar Sizes - BEM: .dt-avatar--sm, .dt-avatar--md, .dt-avatar--lg, .dt-avatar--xl */
.dt-avatar-sm,
.dt-avatar--sm {
  width: 28px;
  height: 28px;
  font-size: 0.625rem;
}

.dt-avatar-md,
.dt-avatar--md {
  width: 36px;
  height: 36px;
  font-size: 0.75rem;
}

.dt-avatar-lg,
.dt-avatar--lg {
  width: 48px;
  height: 48px;
  font-size: 0.875rem;
}

.dt-avatar-xl,
.dt-avatar--xl {
  width: 56px;
  height: 56px;
  font-size: 1rem;
}

/* Avatar Colors */
.dt-avatar-chair {
  background-color: var(--expert-chair);
  border: 2px solid var(--accent-500);
}

.dt-avatar-expert-1 {
  background-color: var(--expert-1);
}

.dt-avatar-expert-2 {
  background-color: var(--expert-2);
}

.dt-avatar-expert-3 {
  background-color: var(--expert-3);
}

.dt-avatar-user {
  background-color: var(--expert-user);
}

.dt-avatar-accent {
  background-color: var(--accent-500);
  color: var(--primary-800);
}

/* ========== MESSAGES ========== */
.dt-message {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

/* Message Elements - BEM: .dt-message__avatar, .dt-message__content, etc. */
.dt-message-avatar,
.dt-message__avatar {
  flex-shrink: 0;
}

.dt-message-content,
.dt-message__content {
  flex: 1;
  min-width: 0;
}

.dt-message-header,
.dt-message__header {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  margin-bottom: var(--space-1);
}

.dt-message-name,
.dt-message__name {
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
  color: var(--text-primary);
}

.dt-message-role,
.dt-message__role {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

.dt-message-body,
.dt-message__body {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-primary);
}

.dt-message-body p,
.dt-message__body p {
  margin: 0 0 var(--space-3) 0;
}

.dt-message-body p:last-child,
.dt-message__body p:last-child {
  margin-bottom: 0;
}

/* User Message (right-aligned bubble) */
.dt-message-user {
  justify-content: flex-end;
}

.dt-message-user .dt-message-bubble {
  background-color: var(--primary-800);
  color: var(--text-inverse);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg) var(--radius-lg) var(--radius-sm) var(--radius-lg);
  max-width: 80%;
}

/* System Message */
.dt-message-system {
  background-color: var(--bg-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

/* Claire Message Bubble */
.dt-message-bubble-claire {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: var(--space-4);
  border-radius: var(--radius-sm) var(--radius-lg) var(--radius-lg) var(--radius-lg);
}


.dt-icon-btn {
  width: 40px;
  height: 40px;
  background-color: var(--primary-800);
  border: 1px solid var(--primary-800);
  border-radius: var(--radius-md);
  color: var(--text-inverse);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-fast) var(--ease-out);
  flex-shrink: 0;
}

.dt-icon-btn:hover:not(:disabled) {
  background-color: var(--primary-700);
}

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

/* ========== ACTION BOXES ========== */
.dt-action-box {
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-bottom: var(--space-4);
}

/* Confirmation Box (Green) */
.dt-action-box-confirm {
  background-color: var(--success-100);
  border: 1px solid #A7F3D0;
}

.dt-action-box-confirm .dt-action-box-title {
  color: var(--success-600);
}

/* Team Suggestion Box (Blue) */
.dt-action-box-team {
  background: linear-gradient(135deg, var(--advisory-50) 0%, var(--bg-surface) 100%);
  border: 2px solid var(--advisory-500);
}

.dt-action-box-team .dt-action-box-label {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--advisory-600);
  margin-bottom: var(--space-3);
}

/* Action Box Elements */
.dt-action-box-title {
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.dt-action-box-content {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--text-secondary);
}

.dt-action-box-buttons {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-4);
  flex-wrap: wrap;
}

/* Confirmed State */
.dt-action-box.confirmed {
  opacity: 0.7;
  border-style: dashed;
}

.dt-action-box.confirmed .dt-action-box-buttons {
  display: none;
}

.dt-action-box.confirmed::after {
  content: '\2713 Confirmed';
  display: block;
  font-size: var(--text-xs);
  color: var(--success-500);
  font-weight: var(--font-semibold);
  margin-top: var(--space-3);
}

/* ========== PROGRESS INDICATOR ========== */
.dt-progress {
  display: flex;
  justify-content: center;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

/* Progress Elements - BEM: .dt-progress__step, .dt-progress__dot, .dt-progress__label */
.dt-progress-step,
.dt-progress__step {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.dt-progress-dot,
.dt-progress__dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background-color: var(--border-default);
}

.dt-progress-dot.active,
.dt-progress__dot.active,
.dt-progress__dot--active {
  background-color: var(--advisory-500);
}

.dt-progress-dot.complete,
.dt-progress__dot.complete,
.dt-progress__dot--complete {
  background-color: var(--success-500);
}

.dt-progress-label,
.dt-progress__label {
  font-size: var(--text-xs);
  color: var(--text-disabled);
}

.dt-progress-step.active .dt-progress-label,
.dt-progress__step.active .dt-progress__label,
.dt-progress__step--active .dt-progress__label {
  color: var(--text-secondary);
  font-weight: var(--font-medium);
}

.dt-progress-step.complete .dt-progress-label,
.dt-progress__step.complete .dt-progress__label,
.dt-progress__step--complete .dt-progress__label {
  color: var(--text-tertiary);
}

/* ========== SECTION HEADERS ========== */
/* BEM: .dt-section__header */
.dt-section-header,
.dt-section__header {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-tertiary);
  margin-bottom: var(--space-4);
}

/* ========== LANDING PAGE COMPONENTS ========== */
.dt-hero {
  text-align: center;
  padding: var(--space-16) var(--space-6) var(--space-12);
}

/* Hero Elements - BEM: .dt-hero__title, .dt-hero__subtitle */
.dt-hero-title,
.dt-hero__title {
  font-size: 2.5rem;
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.dt-hero-subtitle,
.dt-hero__subtitle {
  font-size: var(--text-lg);
  color: var(--text-tertiary);
  max-width: 540px;
  margin: 0 auto var(--space-8);
  line-height: var(--leading-relaxed);
}

.dt-section {
  padding: var(--space-16) var(--space-6);
}

/* Section Modifiers and Elements - BEM */
.dt-section-alt,
.dt-section--alt {
  background-color: var(--bg-surface);
}

.dt-section-title,
.dt-section__title {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  text-align: center;
  margin-bottom: var(--space-2);
}

.dt-section-label,
.dt-section__label {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-tertiary);
  text-align: center;
  margin-bottom: var(--space-2);
}

.dt-section-inner,
.dt-section__inner {
  max-width: 800px;
  margin: 0 auto;
}

/* Feature Cards */
.dt-feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-3);
  font-size: var(--text-xl);
}

.dt-feature-icon-blue {
  background-color: var(--advisory-50);
  color: var(--advisory-500);
}

.dt-feature-icon-green {
  background-color: var(--success-100);
  color: var(--success-500);
}

.dt-feature-icon-purple {
  background-color: var(--panel-50);
  color: var(--panel-500);
}

.dt-feature-title {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.dt-feature-text {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* Step Indicators */
.dt-step-number {
  width: 40px;
  height: 40px;
  background-color: var(--primary-800);
  color: var(--text-inverse);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-bold);
  margin: 0 auto var(--space-3);
}

/* ========== ONBOARDING LAYOUT ========== */
.dt-onboarding-layout {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.dt-onboarding-container {
  max-width: 640px;
  margin: 0 auto;
  padding: var(--space-8) var(--space-6);
  width: 100%;
}

.dt-onboarding-card {
  background-color: var(--bg-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  padding: var(--space-8);
}

.dt-conversation-stream {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-8) var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.dt-conversation-inner {
  width: 100%;
  max-width: 680px;
}

/* ========== EXPERT CARD DETAILS ========== */
/* Extends .dt-card for expert roster display */
.dt-expert-card-details {
  flex: 1;
  min-width: 0;
}

.dt-expert-card-fields {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.dt-expert-card-fields p {
  margin: 0 0 var(--space-1) 0;
}

.dt-expert-card-fields p:last-child {
  margin-bottom: 0;
}

/* ========== TENSION MAP ========== */
/* Shows productive tensions between experts — similar pattern to .dt-action-box-team */
.dt-tension-map {
  background: linear-gradient(135deg, var(--advisory-50) 0%, var(--success-100) 100%);
  border: 1px solid var(--advisory-200);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-bottom: var(--space-4);
}

.dt-tension-map__content {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.dt-tension-line {
  margin: 0 0 var(--space-2) 0;
}

.dt-tension-line:last-child {
  margin-bottom: 0;
}

/* ========== UNCOMFORTABLE ADDITION ========== */
/* Modifier for expert card when marked as uncomfortable addition */
.dt-card--uncomfortable {
  border-color: var(--warning-200);
  background: var(--warning-50);
}

/* Warning Badge Variant */
.dt-badge--warning {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--warning-700);
  background: var(--warning-100);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Expert Rationale — italic explanation text */
.dt-expert-rationale {
  font-size: var(--text-sm);
  color: var(--warning-600);
  margin-top: var(--space-2);
  font-style: italic;
  line-height: var(--leading-relaxed);
}

/* ========== SUCCESS STATE ========== */
/* Centered confirmation display after team creation */
.dt-success-container {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  max-width: 500px;
  margin: 0 auto;
  padding: var(--space-8) var(--space-6);
  text-align: center;
}

.dt-success-icon {
  font-size: 3rem;
  color: var(--success-500);
  margin-bottom: var(--space-4);
}

.dt-success-title {
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.dt-success-message {
  font-size: var(--text-base);
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
}

.dt-success-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 300px;
  margin: 0 auto;
}

/* Block button variant */
.dt-btn-block {
  width: 100%;
}

/* ========== EXPERT PREVIEW (Team Suggestion) ========== */
.dt-expert-preview {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}

.dt-expert-preview-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.dt-expert-preview-name {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-primary);
}

.dt-expert-preview-role {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

/* ========== BADGES ========== */
.dt-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  border-radius: var(--radius-sm);
}

/* Badge Variants - BEM: .dt-badge--default, .dt-badge--success, etc. */
.dt-badge-default,
.dt-badge--default {
  background-color: var(--bg-subtle);
  color: var(--text-secondary);
}

.dt-badge-success,
.dt-badge--success {
  background-color: var(--success-100);
  color: var(--success-600);
}

.dt-badge-warning,
.dt-badge--warning {
  background-color: var(--warning-100);
  color: var(--warning-600);
}

.dt-badge-info,
.dt-badge--info {
  background-color: var(--info-100);
  color: var(--info-600);
}

.dt-badge-accent,
.dt-badge--accent {
  background-color: var(--accent-500);
  color: var(--primary-800);
}

/* ========== STATUS DOTS ========== */
.dt-status-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  display: inline-block;
}

.dt-status-dot-active {
  background-color: var(--success-500);
}

.dt-status-dot-paused {
  background-color: var(--accent-500);
}

.dt-status-dot-archived {
  background-color: var(--text-tertiary);
}

/* ========== LINKS ========== */
.dt-link {
  color: var(--info-500);
  text-decoration: none;
  font-weight: var(--font-medium);
  transition: color var(--duration-fast) var(--ease-out);
}

.dt-link:hover {
  color: var(--info-600);
}

.dt-back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

.dt-back-link:hover {
  color: var(--text-primary);
}

.dt-link--sm {
  font-size: var(--text-xs);
}

/* ========== DIVIDERS ========== */
.dt-divider {
  height: 1px;
  background-color: var(--border-subtle);
  margin: var(--space-6) 0;
}

.dt-divider-text {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  color: var(--text-tertiary);
  font-size: var(--text-sm);
}

.dt-divider-text::before,
.dt-divider-text::after {
  content: '';
  flex: 1;
  height: 1px;
  background-color: var(--border-subtle);
}

/* ========== SKIP LINK ========== */
.dt-skip-link {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  text-decoration: none;
}

.dt-skip-link:hover {
  color: var(--text-secondary);
}

/* ========== VALIDATION ========== */
/* ASP.NET adds validation-summary-valid when no errors, validation-summary-errors when errors exist */
/* Also hides empty field-level validation spans */
.validation-summary-valid,
.field-validation-valid {
  display: none;
}

.dt-validation-summary {
  margin-bottom: var(--space-4);
  padding: var(--space-3);
  background: var(--error-100);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--error-500);
}

.dt-validation-summary ul {
  margin: 0;
  padding-left: var(--space-4);
  list-style: none;
}

.dt-validation-summary li {
  margin-bottom: var(--space-1);
}

.dt-validation-summary li:last-child {
  margin-bottom: 0;
}

/* ========== DARK MODE COMPONENT OVERRIDES ========== */
[data-theme="dark"] .dt-card {
  background-color: var(--bg-surface);
  border-color: var(--border-default);
}

[data-theme="dark"] .dt-help-text {
  color: var(--text-tertiary);
}

[data-theme="dark"] .dt-btn-primary {
  background-color: var(--primary-400);
  color: var(--bg-canvas);
}

[data-theme="dark"] .dt-btn-primary:hover {
  background-color: var(--primary-300);
}

[data-theme="dark"] .dt-validation-summary {
  background-color: rgba(220, 38, 38, 0.15);
  color: #FCA5A5;
}

[data-theme="dark"] .dt-error-text {
  color: #FCA5A5;
}

[data-theme="dark"] .dt-link {
  color: var(--accent-400);
}

[data-theme="dark"] .dt-link:hover {
  color: var(--accent-300);
}

[data-theme="dark"] .dt-topbar-link {
  color: rgba(255, 255, 255, 0.8);
}

[data-theme="dark"] .dt-topbar-link:hover {
  color: #fff;
}

[data-theme="dark"] .dt-btn-accent {
  background-color: var(--accent-400);
  color: #1E293B;
}

[data-theme="dark"] .dt-btn-accent:hover {
  background-color: var(--accent-300);
  color: #1E293B;
}

[data-theme="dark"] .dt-progress-label {
  color: var(--text-tertiary);
}

[data-theme="dark"] .dt-progress-step.active .dt-progress-label {
  color: var(--text-primary);
}

/* Dark mode: Input area */
[data-theme="dark"] .dt-text-input {
  background-color: var(--bg-surface-raised);
  border-color: var(--border-default);
  color: var(--text-primary);
}

[data-theme="dark"] .dt-text-input:focus {
  border-color: var(--advisory-400);
}

[data-theme="dark"] .dt-icon-btn {
  background-color: var(--advisory-500);
  border-color: var(--advisory-500);
  color: var(--text-inverse);
}

[data-theme="dark"] .dt-icon-btn:hover:not(:disabled) {
  background-color: var(--advisory-400);
  border-color: var(--advisory-400);
}

/* Dark mode: Claire message bubble */
[data-theme="dark"] .dt-message-bubble-claire {
  background-color: var(--bg-surface-raised);
  border-color: var(--border-default);
}

[data-theme="dark"] .dt-avatar-chair {
  background-color: var(--bg-surface-raised);
}

/* ========== AUTH/FORM PAGE TYPOGRAPHY ========== */
.dt-page-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  text-align: center;
  margin-bottom: var(--space-2);
}

.dt-page-title-semibold {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  text-align: center;
  margin-bottom: var(--space-2);
}

.dt-page-subtitle {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  text-align: center;
  margin-bottom: var(--space-6);
}

.dt-page-subtitle-tight {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  text-align: center;
  margin-bottom: var(--space-1);
}

/* ========== AUTH PAGE LAYOUT ========== */
.dt-auth-main {
  flex-grow: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8) var(--space-4);
}

.dt-auth-container {
  width: 100%;
  max-width: 400px;
}

/* Form Group */
.dt-form-group {
  margin-bottom: var(--space-4);
}

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

.dt-form-group--lg {
  margin-bottom: var(--space-5);
}

/* ========== SUCCESS STATE ICON ========== */
.dt-success-icon {
  width: 56px;
  height: 56px;
  background: var(--success-100);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
  font-size: 1.5rem;
  color: var(--success-500);
}

/* ========== INFO BOX ========== */
.dt-info-box {
  background: var(--bg-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-align: center;
}

/* ========== FOOTER LINK ========== */
.dt-footer-text {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  text-align: center;
  margin-top: var(--space-6);
}

/* ========== NAVIGATION MENU ========== */
.dt-nav-link {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease-out);
  background: transparent;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.dt-nav-link:hover {
  color: var(--text-inverse);
  background-color: rgba(255, 255, 255, 0.1);
}

.dt-nav-link.active {
  color: var(--text-inverse);
  font-weight: var(--font-semibold);
}

.dt-nav-dropdown {
  position: relative;
}

.dt-dropdown-toggle svg {
  transition: transform var(--duration-fast) var(--ease-out);
}

.dt-nav-dropdown:hover .dt-dropdown-toggle svg,
.dt-nav-dropdown:focus-within .dt-dropdown-toggle svg {
  transform: rotate(180deg);
}

.dt-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 180px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--duration-fast) var(--ease-out);
  z-index: 1000;
}

.dt-nav-dropdown:hover .dt-dropdown-menu,
.dt-nav-dropdown:focus-within .dt-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(4px);
}

.dt-dropdown-item {
  display: block;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  color: var(--text-primary);
  text-decoration: none;
  transition: background-color var(--duration-fast) var(--ease-out);
}

.dt-dropdown-item:hover {
  background-color: var(--bg-subtle);
  color: var(--text-primary);
}

.dt-dropdown-header {
  font-weight: var(--font-semibold);
  color: var(--text-tertiary);
  cursor: default;
}

.dt-dropdown-header:hover {
  background-color: transparent;
}

.dt-dropdown-divider {
  height: 1px;
  background-color: var(--border-subtle);
  margin: var(--space-2) 0;
}

/* ========== TOPBAR ACTIONS ========== */
.dt-topbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.dt-topbar-actions .dt-icon-btn {
  background-color: transparent;
  border-color: transparent;
  color: rgba(255, 255, 255, 0.7);
}

.dt-topbar-actions .dt-icon-btn:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--text-inverse);
}

/* ========== MAIN CONTENT AREA ========== */
.dt-main {
  flex: 1;
  padding: var(--space-8) var(--space-6);
}

.dt-container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.dt-container-narrow {
  max-width: 800px;
}

.dt-container-wide {
  max-width: 1400px;
}

/* ========== FOOTER UPDATES ========== */
.dt-footer {
  background-color: var(--primary-800);
  padding: var(--space-6) var(--space-6);
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--text-sm);
}

/* ========== BOOTSTRAP NAVBAR OVERRIDES ========== */
.navbar.custom-navbar {
  background-color: var(--primary-800) !important;
}

.navbar.custom-navbar .nav-link {
  color: rgba(255, 255, 255, 0.85) !important;
  font-weight: 500;
}

.navbar.custom-navbar .nav-link:hover,
.navbar.custom-navbar .nav-link:focus {
  color: #fff !important;
}

.navbar.custom-navbar .dropdown-menu {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-default);
  box-shadow: var(--shadow-lg);
}

.navbar.custom-navbar .dropdown-item {
  color: var(--text-primary);
}

.navbar.custom-navbar .dropdown-item:hover,
.navbar.custom-navbar .dropdown-item:focus {
  background-color: var(--bg-subtle);
  color: var(--text-primary);
}

.navbar.custom-navbar .dropdown-divider {
  border-color: var(--border-subtle);
}

/* ========== RESPONSIVE NAV ========== */
@media (max-width: 768px) {
  .dt-topbar {
    flex-wrap: wrap;
    gap: var(--space-3);
  }

  .dt-topbar-nav {
    order: 3;
    width: 100%;
    flex-wrap: wrap;
    justify-content: center;
  }

  .dt-dropdown-menu {
    position: static;
    box-shadow: none;
    border: none;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    margin-top: var(--space-2);
  }

  .dt-dropdown-item {
    color: rgba(255, 255, 255, 0.8);
  }

  .dt-dropdown-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-inverse);
  }
}



/* ========== UTILITY MODIFIERS ========== */

/* Onboarding container with no top padding */
.dt-onboarding-container--flush-top {
  padding-top: 0;
}

/* Card variant for narrow centered content */
.dt-card--narrow-centered {
  max-width: 480px;
  margin: 0 auto;
}

/* Centered content container with generous padding */
.dt-container--centered-padded {
  text-align: center;
  padding: var(--space-16);
}

/* Flex container aligned to end */
.dt-flex-end {
  display: flex;
  justify-content: flex-end;
}

/* Inline form (no display block) */
.dt-form-inline {
  display: inline;
}

/* Large icon sizing (matches hero title size) */
.dt-icon-xl {
  font-size: 2.5rem;
  line-height: 1;
}

/* Full viewport body for chat layouts */
.dt-body-chat {
  height: 100dvh;
  overflow: hidden;
}

/* Table column widths */
.dt-col-qty {
  width: 120px;
}
.dt-col-actions {
  width: 80px;
}