/* ============================================================================
   DENTALONE PUBLIC WEBSITE — PHASE 2 STYLES
   Premium Product Experience Components
   ============================================================================ */

/* — Browser Mockup -------------------------------------------------------- */
.do-browser {
  border-radius: var(--do-radius-xl);
  border: 1px solid var(--do-border);
  overflow: hidden;
  box-shadow: var(--do-shadow-2xl);
  background: var(--do-bg);
}

.do-browser__chrome {
  display: flex;
  align-items: center;
  gap: var(--do-space-3);
  padding: var(--do-space-3) var(--do-space-5);
  background: var(--do-bg-subtle);
  border-bottom: 1px solid var(--do-border);
}

.do-browser__dots {
  display: flex;
  gap: 6px;
}

.do-browser__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.do-browser__dot--red {
  background: #ef4444;
}

.do-browser__dot--yellow {
  background: #f59e0b;
}

.do-browser__dot--green {
  background: #22c55e;
}

.do-browser__url {
  flex: 1;
  background: var(--do-bg);
  border: 1px solid var(--do-border);
  border-radius: var(--do-radius-sm);
  padding: var(--do-space-1) var(--do-space-4);
  font-size: var(--do-text-xs);
  color: var(--do-text-muted);
  font-family: var(--do-font-sans);
}

.do-browser__body {
  min-height: 400px;
  position: relative;
}

/* — Demo Tabs ------------------------------------------------------------- */
.do-demo-tabs {
  display: flex;
  gap: var(--do-space-1);
  padding: var(--do-space-3) var(--do-space-5);
  border-bottom: 1px solid var(--do-border-subtle);
  background: var(--do-bg);
  overflow-x: auto;
}

.do-demo-tab {
  padding: var(--do-space-2) var(--do-space-4);
  font-size: var(--do-text-xs);
  font-weight: var(--do-weight-medium);
  color: var(--do-text-muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--do-radius-sm);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--do-dur-fast) var(--do-ease);
}

.do-demo-tab:hover {
  color: var(--do-text);
  background: var(--do-bg-muted);
}

.do-demo-tab.is-active {
  color: var(--do-primary);
  background: var(--do-primary-muted);
  border-color: var(--do-border-teal);
}

.do-demo-screen {
  display: none;
  padding: var(--do-space-8);
  min-height: 360px;
}

.do-demo-screen.is-active {
  display: block;
}

/* — Simulated Dashboard -------------------------------------------------- */
.sim-dash {
  display: grid;
  gap: var(--do-space-4);
}

.sim-dash--cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

.sim-dash--cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.sim-dash--cols-2 {
  grid-template-columns: 1fr 1fr;
}

@media (max-width: 640px) {

  .sim-dash--cols-4,
  .sim-dash--cols-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.sim-stat-card {
  background: var(--do-bg-subtle);
  border: 1px solid var(--do-border-subtle);
  border-radius: var(--do-radius-md);
  padding: var(--do-space-4);
}

.sim-stat-card__label {
  font-size: var(--do-text-xs);
  color: var(--do-text-muted);
  margin-bottom: var(--do-space-1);
}

.sim-stat-card__value {
  font-size: var(--do-text-2xl);
  font-weight: var(--do-weight-bold);
  color: var(--do-text);
}

.sim-stat-card__change {
  font-size: var(--do-text-xs);
  color: var(--do-success);
  margin-top: var(--do-space-1);
}

.sim-table {
  width: 100%;
  font-size: var(--do-text-xs);
  border-collapse: collapse;
  margin-top: var(--do-space-4);
}

.sim-table th {
  text-align: left;
  padding: var(--do-space-2) var(--do-space-3);
  color: var(--do-text-muted);
  font-weight: var(--do-weight-medium);
  border-bottom: 1px solid var(--do-border-subtle);
  background: var(--do-bg-subtle);
}

.sim-table td {
  padding: var(--do-space-2) var(--do-space-3);
  color: var(--do-text-secondary);
  border-bottom: 1px solid var(--do-border-subtle);
}

.sim-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--do-radius-full);
  font-size: 10px;
  font-weight: var(--do-weight-semibold);
}

.sim-badge--green {
  background: var(--do-success-bg);
  color: var(--do-success);
}

.sim-badge--blue {
  background: rgba(59, 130, 246, 0.1);
  color: #3b82f6;
}

.sim-badge--yellow {
  background: var(--do-warning-bg);
  color: var(--do-warning);
}

.sim-chart-bar {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 120px;
  padding-top: var(--do-space-4);
}

.sim-chart-bar__col {
  flex: 1;
  background: var(--do-teal-100);
  border-radius: 4px 4px 0 0;
  min-height: 8px;
  transition: height 0.6s var(--do-ease-out);
}

.sim-chart-bar__col--accent {
  background: var(--do-primary);
}

/* — Calculator Styles ----------------------------------------------------- */
.do-calc {
  background: var(--do-bg-card);
  border: 1px solid var(--do-border);
  border-radius: var(--do-radius-xl);
  padding: var(--do-space-10);
}

.do-calc__row {
  display: flex;
  flex-direction: column;
  gap: var(--do-space-2);
  margin-bottom: var(--do-space-6);
}

.do-calc__label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: var(--do-text-sm);
  font-weight: var(--do-weight-medium);
  color: var(--do-text);
}

.do-calc__value {
  font-weight: var(--do-weight-bold);
  color: var(--do-primary);
  font-size: var(--do-text-base);
}

.do-calc__slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--do-bg-muted);
  outline: none;
  cursor: pointer;
}

.do-calc__slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--do-primary);
  border: 3px solid var(--do-bg);
  box-shadow: 0 0 0 2px var(--do-primary), var(--do-shadow-sm);
  cursor: pointer;
  transition: transform 0.15s var(--do-ease);
}

.do-calc__slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.do-calc__slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--do-primary);
  border: 3px solid var(--do-bg);
  box-shadow: 0 0 0 2px var(--do-primary), var(--do-shadow-sm);
  cursor: pointer;
}

.do-calc__results {
  background: var(--do-bg-teal);
  border: 1px solid var(--do-border-teal);
  border-radius: var(--do-radius-lg);
  padding: var(--do-space-8);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--do-space-6);
  text-align: center;
}

@media (max-width: 520px) {
  .do-calc__results {
    grid-template-columns: 1fr;
  }
}

.do-calc__result-value {
  font-family: var(--do-font-display);
  font-size: var(--do-text-3xl);
  color: var(--do-teal-800);
  margin-bottom: var(--do-space-1);
}

.do-calc__result-label {
  font-size: var(--do-text-xs);
  color: var(--do-teal-700);
  font-weight: var(--do-weight-medium);
}

/* — Booking Calendar ------------------------------------------------------ */
.do-cal {
  background: var(--do-bg-card);
  border: 1px solid var(--do-border);
  border-radius: var(--do-radius-xl);
  overflow: hidden;
}

.do-cal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--do-space-5) var(--do-space-6);
  border-bottom: 1px solid var(--do-border-subtle);
}

.do-cal__title {
  font-size: var(--do-text-base);
  font-weight: var(--do-weight-semibold);
  color: var(--do-text);
}

.do-cal__nav {
  display: flex;
  gap: var(--do-space-2);
}

.do-cal__nav-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--do-radius-sm);
  border: 1px solid var(--do-border);
  background: var(--do-bg);
  cursor: pointer;
  color: var(--do-text-secondary);
  transition: all var(--do-dur-fast) var(--do-ease);
}

.do-cal__nav-btn:hover {
  background: var(--do-bg-muted);
  color: var(--do-text);
}

.do-cal__nav-btn svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

.do-cal__grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  padding: var(--do-space-4) var(--do-space-6);
  gap: var(--do-space-1);
}

.do-cal__day-label {
  text-align: center;
  font-size: var(--do-text-xs);
  font-weight: var(--do-weight-semibold);
  color: var(--do-text-muted);
  padding: var(--do-space-2) 0;
}

.do-cal__day {
  text-align: center;
  padding: var(--do-space-2);
  font-size: var(--do-text-sm);
  color: var(--do-text-secondary);
  border-radius: var(--do-radius-sm);
  cursor: pointer;
  transition: all var(--do-dur-fast) var(--do-ease);
  border: none;
  background: transparent;
  font-family: var(--do-font-sans);
}

.do-cal__day:hover {
  background: var(--do-bg-muted);
  color: var(--do-text);
}

.do-cal__day.is-selected {
  background: var(--do-primary);
  color: var(--do-text-inverse);
}

.do-cal__day.is-today {
  font-weight: var(--do-weight-bold);
  color: var(--do-primary);
}

.do-cal__day.is-disabled {
  color: var(--do-text-muted);
  opacity: 0.4;
  pointer-events: none;
}

.do-cal__day.is-empty {
  pointer-events: none;
}

/* — Time Slots ------------------------------------------------------------ */
.do-time-slots {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--do-space-2);
  padding: var(--do-space-4) var(--do-space-6) var(--do-space-6);
}

@media (max-width: 520px) {
  .do-time-slots {
    grid-template-columns: repeat(3, 1fr);
  }
}

.do-time-slot {
  padding: var(--do-space-2) var(--do-space-3);
  font-size: var(--do-text-xs);
  font-weight: var(--do-weight-medium);
  text-align: center;
  border: 1px solid var(--do-border);
  border-radius: var(--do-radius-sm);
  background: var(--do-bg);
  cursor: pointer;
  color: var(--do-text-secondary);
  transition: all var(--do-dur-fast) var(--do-ease);
}

.do-time-slot:hover {
  border-color: var(--do-primary);
  color: var(--do-text);
}

.do-time-slot.is-selected {
  background: var(--do-primary);
  color: var(--do-text-inverse);
  border-color: var(--do-primary);
}

/* — Trust Grid ------------------------------------------------------------ */
.do-trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--do-space-6);
}

@media (max-width: 860px) {
  .do-trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .do-trust-grid {
    grid-template-columns: 1fr;
  }
}

.do-trust-card {
  text-align: center;
  padding: var(--do-space-8) var(--do-space-6);
  border: 1px solid var(--do-border);
  border-radius: var(--do-radius-xl);
  background: var(--do-bg-card);
  transition: border-color var(--do-dur-normal) var(--do-ease), box-shadow var(--do-dur-normal) var(--do-ease);
}

.do-trust-card:hover {
  border-color: var(--do-border-teal);
  box-shadow: var(--do-shadow-card);
}

.do-trust-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--do-space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--do-primary-muted);
  border-radius: var(--do-radius-lg);
  color: var(--do-primary);
}

.do-trust-card__icon svg {
  width: 28px;
  height: 28px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.do-trust-card__title {
  font-size: var(--do-text-base);
  font-weight: var(--do-weight-semibold);
  color: var(--do-text);
  margin-bottom: var(--do-space-2);
}

.do-trust-card__desc {
  font-size: var(--do-text-sm);
  color: var(--do-text-secondary);
  line-height: var(--do-leading-relaxed);
}

/* — Trust Badges Strip ---------------------------------------------------- */
.do-trust-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--do-space-8);
  flex-wrap: wrap;
  padding: var(--do-space-6) 0;
}

.do-trust-badge {
  display: flex;
  align-items: center;
  gap: var(--do-space-2);
  font-size: var(--do-text-xs);
  font-weight: var(--do-weight-semibold);
  color: var(--do-text-muted);
}

.do-trust-badge svg {
  width: 16px;
  height: 16px;
  stroke: var(--do-primary);
  fill: none;
  stroke-width: 1.5;
}

/* — Download Card --------------------------------------------------------- */
.do-dl-card {
  display: flex;
  align-items: center;
  gap: var(--do-space-6);
  padding: var(--do-space-8);
  border: 1px solid var(--do-border);
  border-radius: var(--do-radius-xl);
  background: var(--do-bg-card);
  transition: border-color var(--do-dur-normal) var(--do-ease), box-shadow var(--do-dur-normal) var(--do-ease);
}

.do-dl-card:hover {
  border-color: var(--do-border-strong);
  box-shadow: var(--do-shadow-card);
}

.do-dl-card__icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--do-bg-subtle);
  border-radius: var(--do-radius-lg);
  flex-shrink: 0;
}

.do-dl-card__icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--do-text);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.do-dl-card__info {
  flex: 1;
}

.do-dl-card__name {
  font-size: var(--do-text-lg);
  font-weight: var(--do-weight-semibold);
  color: var(--do-text);
  margin-bottom: var(--do-space-1);
}

.do-dl-card__meta {
  font-size: var(--do-text-sm);
  color: var(--do-text-secondary);
  margin-bottom: var(--do-space-4);
}

/* — Portal Tab Switcher --------------------------------------------------- */
.do-portal-tabs {
  display: flex;
  border-bottom: 1px solid var(--do-border);
  margin-bottom: var(--do-space-8);
}

.do-portal-tab {
  flex: 1;
  padding: var(--do-space-4);
  text-align: center;
  font-size: var(--do-text-sm);
  font-weight: var(--do-weight-medium);
  color: var(--do-text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--do-dur-fast) var(--do-ease);
}

.do-portal-tab:hover {
  color: var(--do-text);
}

.do-portal-tab.is-active {
  color: var(--do-primary);
  border-bottom-color: var(--do-primary);
}

.do-portal-panel {
  display: none;
}

.do-portal-panel.is-active {
  display: block;
}

/* — Screenshot Gallery ---------------------------------------------------- */
.do-ss-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--do-space-5);
}

@media (max-width: 860px) {
  .do-ss-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .do-ss-grid {
    grid-template-columns: 1fr;
  }
}

.do-ss-card {
  border: 1px solid var(--do-border);
  border-radius: var(--do-radius-xl);
  overflow: hidden;
  background: var(--do-bg-card);
  cursor: pointer;
  transition: border-color var(--do-dur-normal) var(--do-ease), box-shadow var(--do-dur-normal) var(--do-ease), transform var(--do-dur-normal) var(--do-ease);
}

.do-ss-card:hover {
  border-color: var(--do-border-strong);
  box-shadow: var(--do-shadow-card-hover);
  transform: translateY(-2px);
}

.do-ss-card__img {
  aspect-ratio: 16/10;
  background: var(--do-bg-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--do-border-subtle);
  position: relative;
}

.do-ss-card__img svg {
  width: 40px;
  height: 40px;
  stroke: var(--do-text-muted);
  fill: none;
  stroke-width: 1;
  opacity: 0.4;
}

.do-ss-card__body {
  padding: var(--do-space-4) var(--do-space-5);
}

.do-ss-card__title {
  font-size: var(--do-text-sm);
  font-weight: var(--do-weight-semibold);
  color: var(--do-text);
  margin-bottom: var(--do-space-1);
}

.do-ss-card__desc {
  font-size: var(--do-text-xs);
  color: var(--do-text-secondary);
}

/* — Lightbox -------------------------------------------------------------- */
.do-lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--do-dur-slow) var(--do-ease);
  padding: var(--do-space-8);
}

.do-lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

.do-lightbox__close {
  position: absolute;
  top: var(--do-space-6);
  right: var(--do-space-6);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--do-radius-full);
  background: rgba(255, 255, 255, 0.1);
  color: white;
  cursor: pointer;
  border: none;
  transition: background var(--do-dur-fast);
}

.do-lightbox__close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.do-lightbox__content {
  max-width: 900px;
  width: 100%;
  background: var(--do-bg);
  border-radius: var(--do-radius-xl);
  overflow: hidden;
}

/* — Blog Card ------------------------------------------------------------- */
.do-blog-card {
  border: 1px solid var(--do-border);
  border-radius: var(--do-radius-xl);
  overflow: hidden;
  background: var(--do-bg-card);
  transition: border-color var(--do-dur-normal) var(--do-ease), box-shadow var(--do-dur-normal) var(--do-ease), transform var(--do-dur-normal) var(--do-ease);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
}

.do-blog-card:hover {
  border-color: var(--do-border-strong);
  box-shadow: var(--do-shadow-card-hover);
  transform: translateY(-2px);
}

.do-blog-card__img {
  aspect-ratio: 16/9;
  background: var(--do-bg-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--do-border-subtle);
}

.do-blog-card__img svg {
  width: 32px;
  height: 32px;
  stroke: var(--do-text-muted);
  fill: none;
  stroke-width: 1;
  opacity: 0.3;
}

.do-blog-card__body {
  padding: var(--do-space-5) var(--do-space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.do-blog-card__tag {
  display: inline-block;
  font-size: 10px;
  font-weight: var(--do-weight-semibold);
  letter-spacing: var(--do-tracking-wider);
  text-transform: uppercase;
  color: var(--do-primary);
  margin-bottom: var(--do-space-3);
}

.do-blog-card__title {
  font-size: var(--do-text-base);
  font-weight: var(--do-weight-semibold);
  color: var(--do-text);
  margin-bottom: var(--do-space-2);
  line-height: var(--do-leading-snug);
}

.do-blog-card__excerpt {
  font-size: var(--do-text-sm);
  color: var(--do-text-secondary);
  line-height: var(--do-leading-relaxed);
  flex: 1;
}

.do-blog-card__meta {
  font-size: var(--do-text-xs);
  color: var(--do-text-muted);
  margin-top: var(--do-space-4);
  padding-top: var(--do-space-3);
  border-top: 1px solid var(--do-border-subtle);
}

/* — Newsletter Section ---------------------------------------------------- */
.do-newsletter {
  background: var(--do-bg-teal);
  border: 1px solid var(--do-border-teal);
  border-radius: var(--do-radius-2xl);
  padding: var(--do-space-12) var(--do-space-8);
  text-align: center;
}

.do-newsletter__title {
  font-family: var(--do-font-display);
  font-size: var(--do-text-2xl);
  color: var(--do-teal-900);
  margin-bottom: var(--do-space-3);
}

.do-newsletter__desc {
  font-size: var(--do-text-sm);
  color: var(--do-teal-700);
  margin-bottom: var(--do-space-6);
  max-width: 420px;
  margin-inline: auto;
}

.do-newsletter__form {
  display: flex;
  gap: var(--do-space-3);
  max-width: 440px;
  margin-inline: auto;
}

.do-newsletter__input {
  flex: 1;
  padding: 0.625rem 0.875rem;
  font-size: var(--do-text-sm);
  border: 1px solid var(--do-border-teal);
  border-radius: var(--do-radius-md);
  background: var(--do-bg);
  color: var(--do-text);
  outline: none;
}

.do-newsletter__input:focus {
  border-color: var(--do-primary);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

@media (max-width: 520px) {
  .do-newsletter__form {
    flex-direction: column;
  }
}

/* — Chat Widget ----------------------------------------------------------- */
.do-chat-widget {
  position: fixed;
  bottom: var(--do-space-6);
  right: var(--do-space-6);
  z-index: var(--do-z-overlay);
}

.do-chat-bubble {
  width: 56px;
  height: 56px;
  border-radius: var(--do-radius-full);
  background: var(--do-primary);
  color: var(--do-text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  box-shadow: var(--do-shadow-lg);
  transition: transform var(--do-dur-fast) var(--do-ease), box-shadow var(--do-dur-fast) var(--do-ease);
}

.do-chat-bubble:hover {
  transform: scale(1.05);
  box-shadow: var(--do-shadow-xl);
}

.do-chat-bubble svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

.do-chat-window {
  position: absolute;
  bottom: calc(100% + var(--do-space-3));
  right: 0;
  width: 340px;
  background: var(--do-bg);
  border: 1px solid var(--do-border);
  border-radius: var(--do-radius-xl);
  box-shadow: var(--do-shadow-2xl);
  overflow: hidden;
  display: none;
}

.do-chat-window.is-open {
  display: block;
}

.do-chat-window__header {
  padding: var(--do-space-5) var(--do-space-6);
  background: var(--do-primary);
  color: var(--do-text-inverse);
}

.do-chat-window__header-title {
  font-size: var(--do-text-sm);
  font-weight: var(--do-weight-semibold);
}

.do-chat-window__header-sub {
  font-size: var(--do-text-xs);
  opacity: 0.8;
  margin-top: 2px;
}

.do-chat-window__body {
  padding: var(--do-space-6);
  min-height: 180px;
  display: flex;
  flex-direction: column;
  gap: var(--do-space-4);
}

.do-chat-msg {
  max-width: 80%;
  padding: var(--do-space-3) var(--do-space-4);
  border-radius: var(--do-radius-lg);
  font-size: var(--do-text-sm);
  line-height: var(--do-leading-relaxed);
}

.do-chat-msg--bot {
  background: var(--do-bg-subtle);
  color: var(--do-text);
  align-self: flex-start;
}

.do-chat-msg--user {
  background: var(--do-primary);
  color: var(--do-text-inverse);
  align-self: flex-end;
}

.do-chat-window__input {
  display: flex;
  gap: var(--do-space-2);
  padding: var(--do-space-3) var(--do-space-4);
  border-top: 1px solid var(--do-border-subtle);
}

.do-chat-window__input input {
  flex: 1;
  padding: var(--do-space-2) var(--do-space-3);
  font-size: var(--do-text-sm);
  border: 1px solid var(--do-border);
  border-radius: var(--do-radius-sm);
  outline: none;
  background: var(--do-bg);
  color: var(--do-text);
}

.do-chat-window__input button {
  padding: var(--do-space-2) var(--do-space-3);
  border-radius: var(--do-radius-sm);
  background: var(--do-primary);
  color: var(--do-text-inverse);
  border: none;
  cursor: pointer;
  font-size: var(--do-text-xs);
  font-weight: var(--do-weight-semibold);
}

/* — Video Card ------------------------------------------------------------ */
.do-video-card {
  border: 1px solid var(--do-border);
  border-radius: var(--do-radius-xl);
  overflow: hidden;
  background: var(--do-bg-card);
}

.do-video-card__thumb {
  aspect-ratio: 16/9;
  background: var(--do-slate-900);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  cursor: pointer;
}

.do-video-card__play {
  width: 56px;
  height: 56px;
  border-radius: var(--do-radius-full);
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(255, 255, 255, 0.3);
  transition: transform var(--do-dur-fast) var(--do-ease), background var(--do-dur-fast);
}

.do-video-card__thumb:hover .do-video-card__play {
  transform: scale(1.08);
  background: rgba(255, 255, 255, 0.25);
}

.do-video-card__play svg {
  width: 24px;
  height: 24px;
  fill: white;
  stroke: none;
  margin-left: 3px;
}

.do-video-card__body {
  padding: var(--do-space-5) var(--do-space-6);
}

.do-video-card__name {
  font-size: var(--do-text-sm);
  font-weight: var(--do-weight-semibold);
  color: var(--do-text);
  margin-bottom: var(--do-space-1);
}

.do-video-card__role {
  font-size: var(--do-text-xs);
  color: var(--do-text-muted);
}

/* — Case Study Card ------------------------------------------------------- */
.do-case-card {
  border: 1px solid var(--do-border);
  border-radius: var(--do-radius-xl);
  padding: var(--do-space-8);
  background: var(--do-bg-card);
}

.do-case-card__label {
  font-size: var(--do-text-xs);
  font-weight: var(--do-weight-semibold);
  letter-spacing: var(--do-tracking-wider);
  text-transform: uppercase;
  color: var(--do-primary);
  margin-bottom: var(--do-space-4);
}

.do-case-card__title {
  font-family: var(--do-font-display);
  font-size: var(--do-text-xl);
  color: var(--do-text);
  margin-bottom: var(--do-space-4);
}

.do-case-card__section {
  margin-bottom: var(--do-space-4);
}

.do-case-card__section-title {
  font-size: var(--do-text-xs);
  font-weight: var(--do-weight-semibold);
  color: var(--do-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--do-tracking-wide);
  margin-bottom: var(--do-space-2);
}

.do-case-card__section-body {
  font-size: var(--do-text-sm);
  color: var(--do-text-secondary);
  line-height: var(--do-leading-relaxed);
}

.do-case-card__metrics {
  display: flex;
  gap: var(--do-space-8);
  padding-top: var(--do-space-4);
  border-top: 1px solid var(--do-border-subtle);
}

/* — KB Article List ------------------------------------------------------- */
.do-kb-category {
  margin-bottom: var(--do-space-10);
}

.do-kb-category__title {
  font-size: var(--do-text-lg);
  font-weight: var(--do-weight-semibold);
  color: var(--do-text);
  margin-bottom: var(--do-space-4);
  display: flex;
  align-items: center;
  gap: var(--do-space-3);
}

.do-kb-category__title svg {
  width: 20px;
  height: 20px;
  stroke: var(--do-primary);
  fill: none;
  stroke-width: 1.5;
}

.do-kb-list {
  display: flex;
  flex-direction: column;
}

.do-kb-item {
  display: flex;
  align-items: center;
  gap: var(--do-space-3);
  padding: var(--do-space-3) var(--do-space-4);
  font-size: var(--do-text-sm);
  color: var(--do-text-secondary);
  text-decoration: none;
  border-radius: var(--do-radius-md);
  transition: background var(--do-dur-fast) var(--do-ease), color var(--do-dur-fast);
}

.do-kb-item:hover {
  background: var(--do-bg-muted);
  color: var(--do-text);
}

.do-kb-item svg {
  width: 16px;
  height: 16px;
  stroke: var(--do-text-muted);
  fill: none;
  stroke-width: 1.5;
  flex-shrink: 0;
}

/* — Star Rating ----------------------------------------------------------- */
.do-stars {
  display: flex;
  gap: 2px;
  color: #f59e0b;
}

.do-stars svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
  stroke: none;
}

/* — Version History ------------------------------------------------------- */
.do-release {
  border-bottom: 1px solid var(--do-border-subtle);
  padding-block: var(--do-space-5);
}

.do-release:last-child {
  border-bottom: none;
}

.do-release__header {
  display: flex;
  align-items: baseline;
  gap: var(--do-space-3);
  margin-bottom: var(--do-space-2);
}

.do-release__version {
  font-size: var(--do-text-sm);
  font-weight: var(--do-weight-semibold);
  color: var(--do-text);
}

.do-release__date {
  font-size: var(--do-text-xs);
  color: var(--do-text-muted);
}

.do-release__badge {
  font-size: 10px;
  padding: 1px 8px;
  border-radius: var(--do-radius-full);
  background: var(--do-primary-muted);
  color: var(--do-primary);
  font-weight: var(--do-weight-semibold);
}

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

.do-release__notes ul {
  padding-left: var(--do-space-5);
  list-style: disc;
}

/* — Animated Counter ------------------------------------------------------ */
.do-counter {
  font-family: var(--do-font-display);
  font-size: var(--do-text-4xl);
  color: var(--do-primary);
}

/* — Enhanced Footer (Phase 2) -------------------------------------------- */
.do-footer-v2__grid {
  display: grid;
  grid-template-columns: 2fr repeat(5, 1fr);
  gap: var(--do-space-10);
  margin-bottom: var(--do-space-16);
}

@media (max-width: 1024px) {
  .do-footer-v2__grid {
    grid-template-columns: 2fr repeat(2, 1fr);
    row-gap: var(--do-space-10);
  }
}

@media (max-width: 640px) {
  .do-footer-v2__grid {
    grid-template-columns: 1fr;
  }
}



/* — Booking Layout -------------------------------------------------------- */
.do-booking-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--do-space-10);
  align-items: start;
}

@media (max-width: 860px) {
  .do-booking-layout {
    grid-template-columns: 1fr;
  }
}

/* — Confirmation Step ----------------------------------------------------- */
.do-confirm {
  text-align: center;
  padding: var(--do-space-16) var(--do-space-8);
  display: none;
}

.do-confirm.is-visible {
  display: block;
}

.do-confirm__icon {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--do-space-6);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--do-success-bg);
  border-radius: var(--do-radius-full);
  color: var(--do-success);
}

.do-confirm__icon svg {
  width: 36px;
  height: 36px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

/* — Ticket Form ----------------------------------------------------------- */
.do-ticket-form {
  background: var(--do-bg-card);
  border: 1px solid var(--do-border);
  border-radius: var(--do-radius-xl);
  padding: var(--do-space-8);
}

/* — Search Box ------------------------------------------------------------ */
.do-search-box {
  position: relative;
  max-width: 560px;
  margin-inline: auto;
}

.do-search-box__input {
  width: 100%;
  padding: var(--do-space-4) var(--do-space-5) var(--do-space-4) var(--do-space-12);
  font-size: var(--do-text-base);
  border: 1px solid var(--do-border);
  border-radius: var(--do-radius-xl);
  background: var(--do-bg);
  color: var(--do-text);
  outline: none;
  transition: border-color var(--do-dur-fast), box-shadow var(--do-dur-fast);
}

.do-search-box__input:focus {
  border-color: var(--do-primary);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.08);
}

.do-search-box__icon {
  position: absolute;
  left: var(--do-space-4);
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  stroke: var(--do-text-muted);
  fill: none;
  stroke-width: 1.5;
}


/* — Legal Pages (Privacy Policy) ------------------------------------------- */
.do-legal-hero {
  padding-top: var(--do-space-24);
  padding-bottom: var(--do-space-16);
  border-bottom: 1px solid var(--do-border-subtle);
  background: var(--do-bg);
}

.do-legal-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--do-space-4);
  margin-top: var(--do-space-10);
  font-size: var(--do-text-sm);
  color: var(--do-text-muted);
}

.do-legal-meta strong {
  color: var(--do-text);
  font-weight: var(--do-weight-medium);
}

.do-legal-meta-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: var(--do-border-strong);
}

.do-legal-layout {
  display: flex;
  flex-direction: column;
  gap: var(--do-space-12);
  padding-top: var(--do-space-16);
  padding-bottom: var(--do-space-24);
}

@media (min-width: 1024px) {
  .do-legal-layout {
    flex-direction: row;
    gap: var(--do-space-24);
  }
}

.do-legal-sidebar {
  width: 100%;
}

@media (min-width: 1024px) {
  .do-legal-sidebar {
    width: 260px;
    flex-shrink: 0;
  }
}

.do-legal-sticky {
  position: sticky;
  top: 100px;
}

.do-legal-sidebar-title {
  font-size: var(--do-text-xs);
  font-weight: var(--do-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--do-tracking-wider);
  color: var(--do-text);
  margin-bottom: var(--do-space-6);
}

.do-legal-nav {
  display: flex;
  flex-direction: column;
  gap: var(--do-space-3);
}

.do-legal-nav-link {
  font-size: var(--do-text-sm);
  color: var(--do-text-secondary);
  text-decoration: none;
  transition: color var(--do-dur-fast) var(--do-ease);
}

.do-legal-nav-link:hover,
.do-legal-nav-link.is-active {
  color: var(--do-primary);
  font-weight: var(--do-weight-medium);
}

.do-legal-content {
  flex: 1;
  max-width: 760px;
}

.do-legal-section {
  margin-bottom: var(--do-space-16);
  scroll-margin-top: 120px;
}

.do-legal-section h2 {
  font-size: var(--do-text-2xl);
  font-weight: var(--do-weight-bold);
  color: var(--do-text);
  margin-bottom: var(--do-space-6);
  letter-spacing: var(--do-tracking-tight);
}

.do-legal-section p {
  font-size: var(--do-text-base);
  color: var(--do-text-secondary);
  line-height: var(--do-leading-relaxed);
  margin-bottom: var(--do-space-4);
}

.do-legal-list {
  list-style: disc;
  padding-left: var(--do-space-5);
  margin-bottom: var(--do-space-6);
  color: var(--do-text-secondary);
  line-height: var(--do-leading-relaxed);
}

.do-legal-list li {
  margin-bottom: var(--do-space-2);
}

.do-legal-list strong {
  color: var(--do-text);
}

.do-legal-divider {
  border: none;
  border-top: 1px solid var(--do-border-subtle);
  margin: var(--do-space-16) 0;
}

.do-legal-callout {
  background-color: var(--do-bg-muted);
  border: 1px solid var(--do-border);
  border-radius: var(--do-radius-xl);
  padding: var(--do-space-6);
  font-size: var(--do-text-sm);
  color: var(--do-text-secondary);
  margin-top: var(--do-space-6);
}

.do-legal-callout strong {
  display: block;
  color: var(--do-text);
  margin-bottom: var(--do-space-2);
  font-size: var(--do-text-base);
}

.do-legal-trust-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--do-space-6);
  background: var(--do-bg-muted);
  border: 1px solid var(--do-border);
  border-radius: var(--do-radius-2xl);
  padding: var(--do-space-8);
  margin: var(--do-space-16) 0;
}

@media (min-width: 640px) {
  .do-legal-trust-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.do-legal-trust-item {
  display: flex;
  align-items: flex-start;
  gap: var(--do-space-4);
}

.do-legal-trust-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: var(--do-bg);
  border: 1px solid var(--do-border);
  border-radius: var(--do-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--do-primary);
}

.do-legal-trust-icon svg {
  width: 20px;
  height: 20px;
}

.do-legal-trust-item h4 {
  font-size: var(--do-text-sm);
  font-weight: var(--do-weight-bold);
  color: var(--do-text);
  margin-bottom: var(--do-space-1);
}

.do-legal-trust-item p {
  font-size: var(--do-text-xs);
  color: var(--do-text-muted);
  margin-bottom: 0;
}

.do-legal-cta {
  background: var(--do-bg-card);
  border: 1px solid var(--do-border);
  border-radius: var(--do-radius-2xl);
  padding: var(--do-space-8);
  box-shadow: var(--do-shadow-sm);
}

.do-legal-cta h3 {
  font-size: var(--do-text-lg);
  font-weight: var(--do-weight-bold);
  color: var(--do-text);
  margin-bottom: var(--do-space-2);
}

.do-legal-cta p {
  font-size: var(--do-text-sm);
  color: var(--do-text-secondary);
  margin-bottom: var(--do-space-6);
}

.do-legal-cta-actions {
  display: flex;
  flex-direction: column;
  gap: var(--do-space-4);
}

@media (min-width: 480px) {
  .do-legal-cta-actions {
    flex-direction: row;
  }
}


/* — Navbar V3 (Enterprise Redesign) --------------------------------------- */
:root {
  --do-navbar-height: 72px;
  --do-drawer-width: 80%;
  --do-drawer-max-width: 400px;
}

.do-navbar-v3 {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--do-navbar-height);
  background: var(--do-bg);
  border-bottom: 1px solid transparent;
  z-index: var(--do-z-navbar);
  transition: height var(--do-dur-normal) var(--do-ease),
    background var(--do-dur-normal) var(--do-ease),
    border-color var(--do-dur-normal) var(--do-ease),
    box-shadow var(--do-dur-normal) var(--do-ease);
}

.do-navbar-v3.is-scrolled {
  height: 64px;
  background: rgba(var(--do-bg-rgb), 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--do-border-subtle);
  box-shadow: var(--do-shadow-sm);
}

[data-theme="dark"] .do-navbar-v3.is-scrolled {
  background: rgba(15, 23, 42, 0.85);
  /* Deep slate with opacity */
}

.do-navbar-v3__inner {
  max-width: 1280px;
  margin: 0 auto;
  height: 100%;
  padding: 0 var(--do-space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

@media (min-width: 768px) {
  .do-navbar-v3__inner {
    padding: 0 var(--do-space-8);
  }
}

.do-navbar-v3__brand {
  display: flex;
  align-items: center;
  gap: var(--do-space-3);
  text-decoration: none;
  z-index: 2;
  /* above links */
}

.do-navbar-v3__brand img {
  height: 32px;
  width: auto;
  filter: var(--do-logo-filter, none);
  transition: transform 200ms ease;
  transform-origin: center;
  transform: scale(1.6);
}
.do-navbar-v3__brand:hover img {
  transform: scale(1.7);
}

.do-navbar-v3__brand-text {
  font-family: var(--do-font-sans);
  font-weight: var(--do-weight-bold);
  font-size: 1.125rem;
  color: var(--do-text);
  letter-spacing: var(--do-tracking-tight);
}

.do-navbar-v3__links {
  display: none;
}

@media (min-width: 1024px) {
  .do-navbar-v3__links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--do-space-6);
    flex: 1;
    margin: 0 var(--do-space-6);
  }
}

.do-navbar-v3__link {
  font-family: var(--do-font-sans);
  font-size: 14px;
  font-weight: var(--do-weight-medium);
  color: var(--do-text-secondary);
  text-decoration: none;
  position: relative;
  transition: color var(--do-dur-fast) var(--do-ease);
  padding: var(--do-space-2) 0;
}

.do-navbar-v3__link:hover {
  color: var(--do-text);
}

.do-navbar-v3__link.is-active {
  color: var(--do-text);
}

/* Subtle underline animation */
.do-navbar-v3__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--do-primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--do-dur-normal) var(--do-ease);
}

.do-navbar-v3__link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.do-navbar-v3__link.is-active::after {
  transform: scaleX(1);
}

.do-navbar-v3__actions {
  display: none;
}

@media (min-width: 1024px) {
  .do-navbar-v3__actions {
    display: flex;
    align-items: center;
    gap: var(--do-space-6);
    z-index: 2;
  }
}

.do-theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--do-border-strong);
  background-color: transparent;
  color: var(--do-text-secondary);
  cursor: pointer;
  transition: all var(--do-dur-fast) var(--do-ease);
  padding: 0;
}

.do-theme-toggle:hover {
  background-color: var(--do-bg-hover);
  color: var(--do-text);
  border-color: var(--do-text);
}

.do-navbar-v3__login {
  font-size: 14px;
  font-weight: var(--do-weight-medium);
  color: var(--do-text);
  text-decoration: none;
  padding: var(--do-space-2) var(--do-space-5);
  border: 1px solid var(--do-border-strong);
  border-radius: var(--do-radius-full);
  transition: all var(--do-dur-fast) var(--do-ease);
  background-color: transparent;
}

.do-navbar-v3__login:hover {
  background-color: var(--do-bg-hover);
  border-color: var(--do-text);
  color: var(--do-text);
}

.do-navbar-v3__cta {
  border-radius: var(--do-radius-full);
  padding: var(--do-space-2) var(--do-space-5);
  font-size: 14px;
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.2);
  transition: all var(--do-dur-fast) var(--do-ease);
}

.do-navbar-v3__cta:hover {
  box-shadow: 0 6px 16px rgba(13, 148, 136, 0.3);
  transform: translateY(-1px);
}

.do-navbar-v3__hamburger {
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--do-text);
  cursor: pointer;
  padding: var(--do-space-2);
  margin-right: -var(--do-space-2);
}

@media (min-width: 1024px) {
  .do-navbar-v3__hamburger {
    display: none;
  }
}

/* — Mobile Drawer -------------------------------------------------------- */
.do-drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: var(--do-z-modal);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--do-dur-normal) var(--do-ease),
    visibility var(--do-dur-normal) var(--do-ease);
}

.do-drawer-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}

.do-mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  /* Sliding from right */
  width: var(--do-drawer-width);
  max-width: var(--do-drawer-max-width);
  height: 100vh;
  background: var(--do-bg);
  z-index: calc(var(--do-z-modal) + 1);
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  box-shadow: var(--do-shadow-2xl);
  overflow-y: auto;
}

.do-mobile-drawer.is-open {
  transform: translateX(0);
}

.do-mobile-drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--do-space-5) var(--do-space-6);
  border-bottom: 1px solid var(--do-border-subtle);
}

.do-mobile-drawer__close {
  background: transparent;
  border: none;
  color: var(--do-text-secondary);
  cursor: pointer;
  padding: var(--do-space-2);
  margin-right: -var(--do-space-2);
  border-radius: var(--do-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--do-dur-fast), color var(--do-dur-fast);
}

.do-mobile-drawer__close:hover {
  background: var(--do-bg-muted);
  color: var(--do-text);
}

.do-mobile-drawer__body {
  flex: 1;
  padding: var(--do-space-6);
  display: flex;
  flex-direction: column;
  gap: var(--do-space-8);
}

.do-mobile-drawer__nav {
  display: flex;
  flex-direction: column;
  gap: var(--do-space-2);
}

.do-mobile-drawer__link {
  display: flex;
  align-items: center;
  gap: var(--do-space-4);
  font-size: 18px;
  font-weight: var(--do-weight-medium);
  color: var(--do-text);
  text-decoration: none;
  padding: var(--do-space-3);
  border-radius: var(--do-radius-lg);
  transition: background var(--do-dur-fast) var(--do-ease);
}

.do-mobile-drawer__link:hover,
.do-mobile-drawer__link.is-active {
  background: var(--do-bg-muted);
  color: var(--do-primary);
}

.do-mobile-drawer__link svg {
  color: var(--do-text-muted);
  transition: color var(--do-dur-fast);
}

.do-mobile-drawer__link:hover svg,
.do-mobile-drawer__link.is-active svg {
  color: var(--do-primary);
}

.do-mobile-drawer__divider {
  height: 1px;
  background: var(--do-border-subtle);
  width: 100%;
}

.do-mobile-drawer__actions {
  display: flex;
  flex-direction: column;
  gap: var(--do-space-4);
}

.do-mobile-drawer__theme-btn {
  background: var(--do-bg-card);
  border: 1px solid var(--do-border);
  border-radius: var(--do-radius-lg);
  padding: var(--do-space-4);
  color: var(--do-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  width: 100%;
  height: auto;
  font-weight: var(--do-weight-medium);
  transition: background var(--do-dur-fast);
}

.do-mobile-drawer__theme-btn:hover {
  background: var(--do-bg-muted);
}

[data-theme="dark"] .do-theme-text-sun {
  display: none;
}

[data-theme="dark"] .do-theme-text-moon {
  display: inline;
}

[data-theme="light"] .do-theme-text-sun {
  display: inline;
}

[data-theme="light"] .do-theme-text-moon {
  display: none;
}

.do-btn--full {
  width: 100%;
  justify-content: center;
  padding: var(--do-space-4);
  font-size: 16px;
}

.do-mobile-drawer__footer {
  padding: var(--do-space-6);
  background: var(--do-bg-muted);
  border-top: 1px solid var(--do-border-subtle);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--do-space-2);
  font-size: var(--do-text-xs);
  color: var(--do-text-muted);
}

.do-mobile-drawer__footer a {
  color: var(--do-text-secondary);
  text-decoration: none;
}

/* ==========================================================================
   PREMIUM AUTHENTICATION & SUPPORT SYSTEM
   ========================================================================== */

.do-auth-section {
  min-height: calc(100vh - var(--do-navbar-height, 72px));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--do-space-8);
  padding-top: calc(var(--do-navbar-height, 80px) + var(--do-space-8));
}

.do-auth-card {
  width: 100%;
  max-width: 520px;
  background: var(--do-bg-surface);
  border: 1px solid var(--do-border-subtle);
  border-radius: 20px;
  padding: 48px;
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.04);
}

@media (max-width: 600px) {
  .do-auth-card {
    padding: 32px 24px;
  }
}

/* Tabs */
.do-auth-tabs {
  display: flex;
  border-bottom: 1px solid var(--do-border-subtle);
  margin-bottom: var(--do-space-8);
  gap: var(--do-space-8);
}

.do-auth-tab {
  background: transparent;
  border: none;
  padding: var(--do-space-4) 0;
  font-size: var(--do-text-base);
  font-family: var(--do-font-sans);
  font-weight: var(--do-weight-medium);
  color: var(--do-text-muted);
  cursor: pointer;
  position: relative;
  transition: color var(--do-dur-normal) var(--do-ease);
}

.do-auth-tab:hover {
  color: var(--do-text-secondary);
}

.do-auth-tab.is-active {
  color: var(--do-primary);
}

.do-auth-tab::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--do-primary);
  opacity: 0;
  transform: scaleX(0);
  transition: opacity var(--do-dur-normal) var(--do-ease), transform var(--do-dur-normal) var(--do-ease);
}

.do-auth-tab.is-active::after {
  opacity: 1;
  transform: scaleX(1);
}

/* Inputs */
.do-auth-group {
  margin-bottom: var(--do-space-5);
}

.do-auth-label {
  display: block;
  font-size: var(--do-text-sm);
  font-weight: var(--do-weight-medium);
  color: var(--do-text-secondary);
  margin-bottom: var(--do-space-2);
}

.do-auth-input,
.do-auth-select,
.do-auth-textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--do-border);
  background-color: var(--do-bg-muted);
  color: var(--do-text);
  font-size: var(--do-text-base);
  font-family: var(--do-font-sans);
  padding: 0 18px;
  transition: all var(--do-dur-fast) var(--do-ease);
  outline: none;
}

.do-auth-input,
.do-auth-select {
  height: 54px;
}

.do-auth-textarea {
  padding: 18px;
  resize: vertical;
  min-height: 120px;
}

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

.do-auth-input:focus,
.do-auth-select:focus,
.do-auth-textarea:focus {
  background-color: var(--do-bg);
  border-color: var(--do-primary);
  box-shadow: 0 0 0 4px rgba(13, 148, 136, 0.1);
}

.do-auth-select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 18px center;
  background-size: 16px;
  padding-right: 48px;
}

[data-theme="dark"] .do-auth-select {
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
}

/* Password Wrapper */
.do-password-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.do-password-wrapper .do-auth-input {
  padding-right: 48px;
}

.do-password-toggle {
  position: absolute;
  right: 16px;
  background: transparent;
  border: none;
  color: var(--do-text-muted);
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--do-dur-fast);
}

.do-password-toggle:hover {
  color: var(--do-text-secondary);
}

.do-password-toggle svg {
  width: 20px;
  height: 20px;
}

/* Checkbox */
.do-auth-checkbox-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}

.do-auth-checkbox {
  appearance: none;
  width: 20px;
  height: 20px;
  border: 1.5px solid var(--do-border-strong);
  border-radius: 6px;
  background-color: var(--do-bg-muted);
  cursor: pointer;
  position: relative;
  transition: all var(--do-dur-fast) var(--do-ease);
}

.do-auth-checkbox:checked {
  background-color: var(--do-primary);
  border-color: var(--do-primary);
}

.do-auth-checkbox::after {
  content: '';
  position: absolute;
  top: 4px;
  left: 7px;
  width: 4px;
  height: 8px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) scale(0);
  transition: transform var(--do-dur-fast) cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.do-auth-checkbox:checked::after {
  transform: rotate(45deg) scale(1);
}

.do-auth-checkbox-text {
  font-size: var(--do-text-sm);
  color: var(--do-text-secondary);
  font-weight: var(--do-weight-medium);
  user-select: none;
}

/* Buttons */
.do-auth-btn {
  width: 100%;
  height: 54px;
  border-radius: 12px;
  background-color: var(--do-primary);
  color: #ffffff;
  font-family: var(--do-font-sans);
  font-size: 16px;
  font-weight: var(--do-weight-medium);
  border: none;
  cursor: pointer;
  transition: all var(--do-dur-normal) var(--do-ease);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.do-auth-btn:hover {
  background-color: var(--do-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.2);
}

/* Auth Notes */
.do-auth-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 13px;
  color: var(--do-text-muted);
  margin-top: var(--do-space-5);
}

.do-auth-note svg {
  width: 14px;
  height: 14px;
}

/* License Input specific */
.do-auth-license-input {
  font-family: monospace;
  font-size: 18px;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-align: center;
  padding: 0 16px;
}

/* Upload Area */
.do-auth-upload {
  border: 2px dashed var(--do-border-strong);
  border-radius: 12px;
  background-color: var(--do-bg-muted);
  padding: var(--do-space-8);
  text-align: center;
  cursor: pointer;
  transition: all var(--do-dur-fast) var(--do-ease);
}

.do-auth-upload:hover {
  background-color: var(--do-bg);
  border-color: var(--do-primary);
}

.do-auth-upload-icon {
  width: 32px;
  height: 32px;
  color: var(--do-text-muted);
  margin-bottom: var(--do-space-3);
  transition: color var(--do-dur-fast);
}

.do-auth-upload:hover .do-auth-upload-icon {
  color: var(--do-primary);
}

.do-auth-upload-title {
  font-size: var(--do-text-sm);
  font-weight: var(--do-weight-medium);
  color: var(--do-text);
  margin-bottom: var(--do-space-1);
}

.do-auth-upload-desc {
  font-size: 13px;
  color: var(--do-text-muted);
}


/* ==========================================================================
   SUPPORT CENTER LAYOUT
   ========================================================================== */

.do-support-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--do-space-12);
  align-items: start;
}

@media (min-width: 992px) {
  .do-support-layout {
    grid-template-columns: 4fr 8fr;
  }
}

/* Sidebar */
.do-sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: var(--do-space-8);
}

.do-sidebar-search {
  position: relative;
}

.do-sidebar-search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--do-text-muted);
}

.do-sidebar-search .do-auth-input {
  padding-left: 48px;
}

.do-sidebar-category {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.do-sidebar-category-title {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  color: var(--do-text-muted);
  margin-bottom: var(--do-space-2);
  padding-left: 12px;
}

.do-sidebar-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--do-text-secondary);
  font-weight: 500;
  text-decoration: none;
  transition: all var(--do-dur-fast) var(--do-ease);
}

.do-sidebar-link:hover {
  background-color: var(--do-bg-muted);
  color: var(--do-text);
}

.do-sidebar-badge {
  background-color: var(--do-border);
  color: var(--do-text-muted);
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 12px;
  font-weight: 600;
}

/* Support Meta Info */
.do-support-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--do-space-8);
  padding-bottom: var(--do-space-6);
  margin-bottom: var(--do-space-6);
  border-bottom: 1px solid var(--do-border-subtle);
}

.do-support-meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.do-support-meta-label {
  font-size: 12px;
  color: var(--do-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.do-support-meta-value {
  font-size: 14px;
  color: var(--do-text);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
}

.do-support-meta-value svg {
  color: var(--do-primary);
}