/* ============================================================
   COMPONENTS — Bento Cards, Buttons, Chips, Inputs, Nav
   ============================================================ */

/* ---------- Skip to Content ---------- */
.skip-to-content {
  position: absolute;
  top: -100px;
  left: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  font-family: var(--font-label);
  font-weight: 600;
  text-decoration: none;
  z-index: 9999;
  border-radius: var(--radius-sm);
  transition: top var(--duration-fast) var(--ease-out);
}

.skip-to-content:focus {
  top: var(--space-md);
  outline: 2px solid var(--color-tertiary);
  outline-offset: 2px;
}

/* ---------- Toast Notification ---------- */
.toast {
  position: fixed;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background-color: var(--color-inverse-surface);
  color: var(--color-inverse-on-surface);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  font-family: var(--font-label);
  font-size: var(--text-label-md);
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 10000;
  opacity: 0;
  pointer-events: none;
  transition:
    transform var(--duration-normal) var(--ease-out),
    opacity var(--duration-normal) var(--ease-out);
}

.toast.is-visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ---------- Back to Top Button ---------- */
.btn-back-to-top {
  position: fixed;
  bottom: var(--space-2xl);
  right: var(--space-xl);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--color-surface-container-high);
  color: var(--color-on-surface);
  border: 1px solid var(--color-outline-variant);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: var(--z-elevated);
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px);
  transition:
    opacity var(--duration-normal) var(--ease-out),
    transform var(--duration-normal) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out);
  box-shadow: var(--shadow-md);
}

.btn-back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.btn-back-to-top:hover {
  background-color: var(--color-primary-container);
  color: var(--color-on-surface);
  border-color: var(--color-primary);
}

/* ---------- Scroll Progress Bar ---------- */
.scroll-progress-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: transparent;
  z-index: 10001; /* Above nav */
}

.scroll-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-tertiary));
  transition: width 0.1s ease-out;
}

/* ---------- Bento Card ---------- */
.bento-card {
  background-color: var(--color-surface-container-high);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
  transition:
    background-color var(--duration-normal) var(--ease-out),
    transform var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out);
}

.bento-card:hover {
  background-color: var(--color-surface-bright);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.bento-card__label,
.bento-card__title,
.bento-card__description,
.bento-card__icon,
.timeline__chips {
  position: relative;
  z-index: 2;
}

.bento-card__label {
  font-family: var(--font-label);
  font-size: var(--text-label-sm);
  font-weight: 500;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-tertiary);
  margin-bottom: var(--space-md);
}

.bento-card__title {
  font-family: var(--font-headline);
  font-size: var(--text-headline-md);
  font-weight: 600;
  color: var(--color-on-surface);
  margin-bottom: var(--space-sm);
  line-height: var(--leading-snug);
}

.bento-card__description {
  font-family: var(--font-body);
  font-size: var(--text-body-md);
  color: var(--color-on-surface-variant);
  line-height: var(--leading-normal);
}

.bento-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dim));
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  color: var(--color-on-primary);
  font-size: 1.25rem;
}

.bento-card--featured {
  border-left: 3px solid var(--color-primary-container);
}

.bento-card--link {
  display: inline-block;
  cursor: pointer;
}

.bento-card--link::after {
  content: '→';
  position: absolute;
  bottom: var(--space-xl);
  right: var(--space-xl);
  font-family: var(--font-headline);
  font-size: var(--text-title-lg);
  color: var(--color-primary);
  opacity: 0;
  transform: translateX(-8px);
  transition:
    opacity var(--duration-normal) var(--ease-out),
    transform var(--duration-normal) var(--ease-out);
}

.bento-card--link:hover::after {
  opacity: 1;
  transform: translateX(0);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-label);
  font-size: var(--text-label-lg);
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition:
    background-color var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out);
  text-decoration: none;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.97);
}

/* Primary Button */
.btn--primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dim));
  color: var(--color-on-primary);
}

.btn--primary:hover {
  box-shadow: 0 0 24px rgba(65, 90, 171, 0.25);
  color: var(--color-on-primary);
}

/* Secondary Button */
.btn--secondary {
  background-color: var(--color-secondary-container);
  color: var(--color-on-secondary-container);
}

.btn--secondary:hover {
  background-color: var(--color-surface-bright);
}

/* Tertiary Button (Code Style) */
.btn--tertiary {
  background: none;
  color: var(--color-tertiary);
  font-family: var(--font-mono);
  font-size: var(--text-label-md);
  padding: 0.5rem 1rem;
}

.btn--tertiary:hover {
  color: var(--color-primary);
}

.btn--tertiary::before {
  content: '>';
  margin-right: var(--space-xs);
  opacity: 0.5;
}

/* ---------- Tech Stack Chips ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.25rem 0.75rem;
  background-color: var(--color-surface-variant);
  color: var(--color-on-surface-variant);
  font-family: var(--font-label);
  font-size: var(--text-label-md);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  border-radius: var(--radius-xs);
  border: 1px solid transparent;
  transition:
    background-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out);
  cursor: default;
  white-space: nowrap;
}

.chip:hover {
  background-color: var(--color-surface-bright);
  color: var(--color-on-surface);
}

.chip--interactive {
  cursor: pointer;
}

.chip--active {
  background-color: var(--color-primary-container);
  color: var(--color-on-surface);
  border-color: var(--color-primary);
}

.chip--sm {
  padding: 0.125rem 0.5rem;
  font-size: var(--text-label-sm);
}

/* ---------- Input Fields (Terminal Style) ---------- */
.input-field {
  position: relative;
  margin-bottom: var(--space-lg);
}

.input-field__label {
  display: block;
  font-family: var(--font-label);
  font-size: var(--text-label-md);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
  margin-bottom: var(--space-sm);
}

.input-field__input,
.input-field__textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  background-color: var(--color-surface-container-lowest);
  color: var(--color-on-surface);
  font-family: var(--font-body);
  font-size: var(--text-body-md);
  border: none;
  border-bottom: 2px solid var(--color-outline-variant);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  outline: none;
  transition:
    border-color var(--duration-fast) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out);
}

.input-field__input:focus,
.input-field__textarea:focus {
  border-bottom-color: var(--color-tertiary);
  background-color: var(--color-surface-container-low);
}

.input-field__textarea {
  min-height: 120px;
  resize: vertical;
}

.input-field__error {
  display: none;
  font-family: var(--font-label);
  font-size: var(--text-label-md);
  color: var(--color-error);
  margin-top: var(--space-xs);
}

.input-field--error .input-field__input,
.input-field--error .input-field__textarea {
  border-bottom-color: var(--color-error);
}

.input-field--error .input-field__error {
  display: block;
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 80px;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  z-index: var(--z-nav);
  background-color: rgba(221, 227, 231, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.nav__link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  color: var(--color-on-surface-variant);
  text-decoration: none;
  transition:
    color var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out);
  position: relative;
}

.nav__link:hover {
  color: var(--color-on-surface);
  transform: scale(1.1);
}

.nav__link--active {
  color: var(--color-on-surface);
}

.nav__link--active::after {
  content: '';
  width: 4px;
  height: 4px;
  background-color: var(--color-primary-container);
  border-radius: 50%;
  position: absolute;
  bottom: -8px;
}

.nav__icon {
  width: 24px;
  height: 24px;
}

.nav__label {
  font-family: var(--font-label);
  font-size: var(--text-label-sm);
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
}

.nav__logo {
  position: absolute;
  top: var(--space-xl);
  transition: transform var(--duration-fast) var(--ease-out);
}

.nav__logo:hover {
  transform: scale(1.05);
}

.nav__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-surface-container-high);
  box-shadow: var(--shadow-sm);
}

/* ---------- Footer ---------- */
.footer {
  padding: var(--space-3xl) var(--space-xl);
  background-color: var(--color-surface-container-low);
  text-align: center;
}

.footer__social {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background-color: var(--color-surface-container);
  color: var(--color-on-surface-variant);
  transition:
    background-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out);
}

.footer__social-link:hover {
  background-color: var(--color-primary-container);
  color: var(--color-on-surface);
  transform: translateY(-2px);
}

.footer__copyright {
  font-family: var(--font-label);
  font-size: var(--text-label-md);
  color: var(--color-on-surface-variant);
  letter-spacing: var(--tracking-wide);
}

.footer__built-with {
  font-family: var(--font-mono);
  font-size: var(--text-label-sm);
  color: var(--color-outline);
  margin-top: var(--space-sm);
}

/* ---------- Stats ---------- */
.stat {
  text-align: center;
}

.stat__number {
  font-family: var(--font-display);
  font-size: var(--text-display-md);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.stat__label {
  font-family: var(--font-label);
  font-size: var(--text-label-md);
  color: var(--color-on-surface-variant);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin-top: var(--space-xs);
}

/* ---------- Timeline ---------- */
.timeline {
  position: relative;
  padding-left: var(--space-3xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom,
      var(--color-primary-container),
      var(--color-outline-variant));
}

.timeline__entry {
  position: relative;
  padding-bottom: var(--space-3xl);
}

.timeline__entry::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-3xl) - 5px);
  top: 6px;
  width: 12px;
  height: 12px;
  background-color: var(--color-primary-container);
  border-radius: 50%;
  border: 2px solid var(--color-background);
}

.timeline__date {
  font-family: var(--font-mono);
  font-size: var(--text-label-md);
  color: var(--color-tertiary);
  margin-bottom: var(--space-sm);
}

.timeline__company {
  font-family: var(--font-headline);
  font-size: var(--text-headline-md);
  font-weight: 600;
  color: var(--color-on-surface);
  margin-bottom: var(--space-xs);
}

.timeline__role {
  font-family: var(--font-body);
  font-size: var(--text-title-md);
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.timeline__description {
  font-family: var(--font-body);
  color: var(--color-on-surface-variant);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-md);
  max-width: 60ch;
}

.timeline__chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* ---------- Project Card ---------- */
.project-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-2xl) 0;
  border-top: 1px solid rgba(172, 179, 183, 0.3);
}

.project-nav__link {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  color: var(--color-on-surface-variant);
  transition: color var(--duration-fast) var(--ease-out);
}

.project-nav__link:hover {
  color: var(--color-primary);
}

.project-nav__label {
  font-family: var(--font-label);
  font-size: var(--text-label-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
}

.project-nav__title {
  font-family: var(--font-headline);
  font-size: var(--text-title-md);
  font-weight: 600;
}

.project-nav__link--next {
  text-align: right;
}

/* ---------- Architecture Diagram ---------- */
.arch-diagram {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
  padding: var(--space-2xl);
  background-color: var(--color-surface-container);
  border-radius: var(--radius-lg);
}

.arch-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-lg);
  background-color: var(--color-surface-container-high);
  border-radius: var(--radius-md);
  min-width: 120px;
  text-align: center;
  position: relative;
}

.arch-node__label {
  font-family: var(--font-mono);
  font-size: var(--text-label-md);
  color: var(--color-primary);
}

.arch-node__desc {
  font-family: var(--font-label);
  font-size: var(--text-label-sm);
  color: var(--color-on-surface-variant);
}

.arch-arrow {
  display: flex;
  align-items: center;
  color: var(--color-outline);
  font-size: 1.5rem;
}

/* ---------- Contact Success ---------- */
.contact-success {
  display: none;
  text-align: center;
  padding: var(--space-3xl);
}

.contact-success--visible {
  display: block;
}

.contact-success__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-xl);
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dim));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--color-on-primary);
  animation: scaleIn var(--duration-slow) var(--ease-out);
}

@keyframes scaleIn {
  0% {
    transform: scale(0);
    opacity: 0;
  }

  60% {
    transform: scale(1.1);
  }

  100% {
    transform: scale(1);
    opacity: 1;
  }
}

/* ---------- Honeypot (hidden) ---------- */
.honey {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
  overflow: hidden;
}

/* ---------- Skill Item ---------- */
.skill-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background-color: var(--color-surface-container);
  border-radius: var(--radius-md);
  transition:
    background-color var(--duration-normal) var(--ease-out),
    transform var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out);
}

.skill-item:hover {
  background-color: var(--color-surface-container-lowest);
  transform: translateY(-2px);
  box-shadow: 0 0 24px rgba(65, 90, 171, 0.08);
}

.skill-item__icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  color: var(--color-primary);
}

.skill-item__icon svg {
  width: 100%;
  height: 100%;
}

.skill-item__name {
  font-family: var(--font-label);
  font-size: var(--text-label-lg);
  font-weight: 500;
  color: var(--color-on-surface);
}

.skill-item--featured {
  border-left: 3px solid var(--color-primary-container);
  background-color: var(--color-surface-container-high);
}

.skill-item--featured:hover {
  box-shadow: 0 0 32px rgba(65, 90, 171, 0.12);
}

/* ---------- Section Header ---------- */
.section-header {
  margin-bottom: var(--space-3xl);
}

.section-header__label {
  font-family: var(--font-mono);
  font-size: var(--text-label-md);
  color: var(--color-tertiary);
  margin-bottom: var(--space-sm);
}

.section-header__title {
  font-family: var(--font-display);
  font-size: var(--text-display-md);
  font-weight: 700;
  color: var(--color-on-surface);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-md);
}

.section-header__subtitle {
  font-family: var(--font-body);
  font-size: var(--text-body-lg);
  color: var(--color-on-surface-variant);
  max-width: 50ch;
  line-height: var(--leading-relaxed);
}

/* ---------- Filter Bar ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
}

/* ---------- Badge ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.5rem 1rem;
  background-color: var(--color-surface-container-high);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: var(--text-label-md);
  color: var(--color-primary);
}

.badge__dot {
  width: 6px;
  height: 6px;
  background-color: var(--color-tertiary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.4;
  }
}

/* ---------- Responsive (Mobile) ---------- */
@media (max-width: 768px) {
  .nav {
    top: auto;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 64px;
    flex-direction: row;
    justify-content: space-around;
    padding: 0 var(--space-md);
  }

  .nav__logo {
    display: none;
  }

  .nav__label {
    display: none;
  }

  .bento-card__title {
    font-size: var(--text-headline-sm);
  }

  .stat__number {
    font-size: var(--text-headline-lg);
  }

  .timeline {
    padding-left: var(--space-2xl);
  }

  .section-header__title {
    font-size: var(--text-headline-lg);
  }
}

/* ---------- Project Preview & Global Modal ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.modal.is-active {
  opacity: 1;
  pointer-events: auto;
}

.modal__overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(9, 13, 16, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.modal__container {
  position: relative;
  width: 90%;
  max-width: 1100px;
  z-index: 2001;
  transform: translateY(20px) scale(0.95);
  transition: all var(--duration-normal) var(--ease-out);
}

.modal.is-active .modal__container {
  transform: translateY(0) scale(1);
}

.modal__close,
.mock-browser__btn-action {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: var(--color-surface-container-high);
  color: var(--color-on-surface-variant);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
  text-decoration: none;
}

.modal__close:hover,
.mock-browser__btn-action:hover {
  background: var(--color-primary-container);
  color: var(--color-on-primary-container);
  transform: translateY(-2px);
}

.modal__close:hover {
  background: var(--color-error-container);
  color: var(--color-on-error-container);
  transform: rotate(90deg);
}

.btn-preview-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.5rem 1rem;
  background: var(--color-surface-container-lowest);
  border: 1px solid var(--color-outline-variant);
  border-radius: 100px;
  color: var(--color-on-surface);
  font-family: var(--font-label);
  font-size: var(--text-label-md);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
  box-shadow: var(--shadow-sm);
}

.project-card-wrapper .btn-preview-toggle {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  z-index: 10;
}

.btn-preview-toggle:hover {
  background: var(--color-primary);
  color: var(--color-on-primary);
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.mock-browser {
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--color-outline-variant);
  box-shadow: var(--shadow-2xl);
}

.mock-browser__header {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  padding: 0.75rem 1rem;
  background: var(--color-surface-container);
  border-bottom: 1px solid var(--color-outline-variant);
}

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

.mock-browser__dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-outline-variant);
}

.mock-browser__dots span:nth-child(1) {
  background: #ff5f56;
}

.mock-browser__dots span:nth-child(2) {
  background: #ffbd2e;
}

.mock-browser__dots span:nth-child(3) {
  background: #27c93f;
}

.mock-browser__url-bar {
  flex: 1;
  max-width: 600px;
  background: var(--color-surface-container-lowest);
  border-radius: 100px;
  padding: 0.25rem 1rem;
  font-family: var(--font-label);
  font-size: var(--text-label-sm);
  color: var(--color-on-surface-variant);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  border: 1px solid var(--color-outline-variant);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mock-browser__content {
  position: relative;
  width: 100%;
  height: 70vh;
  background: #fff;
}

.mock-browser__content iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.mock-browser__loader {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  z-index: 11;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.mock-browser__loader.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--color-surface-container);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 768px) {
  .modal__container {
    width: 95%;
  }

  .mock-browser__content {
    height: 60vh;
  }

  .mock-browser__url-bar {
    display: none;
  }
}

/* ============================================================
   THEME TOGGLE — Animated Sun/Moon
   ============================================================ */

.theme-icon-wrapper {
  position: relative;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-icon--sun,
.theme-icon--moon {
  transform: translate(-50%, -50%);
  transition:
    opacity var(--duration-normal) var(--ease-premium),
    transform var(--duration-normal) var(--ease-premium) !important;
}

/* Default state (light mode): show moon, hide sun */
.theme-icon--sun {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(-90deg) scale(0.5);
}

.theme-icon--moon {
  opacity: 1;
  transform: translate(-50%, -50%) rotate(0deg) scale(1);
  position: absolute;
  top: 0%;
  left: 0%;
}

[data-theme="dark"] .theme-icon--sun {
  opacity: 1;
  transform: translate(-50%, -50%) rotate(0deg) scale(1);
}

[data-theme="dark"] .theme-icon--moon {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg) scale(0.5);
}

/* Desktop sidebar theme toggle button */
.nav__theme-toggle {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-on-surface-variant);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  position: absolute;
  bottom: var(--space-xl);
  transition:
    background-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out) !important;
}

.nav__theme-toggle:hover {
  color: var(--color-on-surface);
  background-color: var(--color-surface-container);
  transform: scale(1.1);
}

/* Dark mode nav background */
[data-theme="dark"] .nav {
  background-color: rgba(22, 27, 34, 0.85);
  border-right: 1px solid var(--color-outline-variant);
}

/* ============================================================
   MOBILE NAVIGATION
   ============================================================ */

/* Hidden on desktop */
.mobile-nav {
  display: none;
}

@media (max-width: 768px) {

  /* Show mobile nav, hide desktop sidebar */
  .nav {
    display: none;
  }

  .mobile-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 64px;
    background-color: rgba(241, 244, 246, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--color-outline-variant);
    z-index: var(--z-nav);
    align-items: center;
    justify-content: space-around;
    padding: 0 var(--space-sm);
  }

  [data-theme="dark"] .mobile-nav {
    background-color: rgba(16, 22, 28, 0.9);
  }

  .mobile-nav__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    color: var(--color-on-surface-variant);
    text-decoration: none;
    font-family: var(--font-label);
    font-size: var(--text-label-sm);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-md);
    background: none;
    border: none;
    cursor: pointer;
    transition:
      color var(--duration-fast) var(--ease-out),
      background-color var(--duration-fast) var(--ease-out) !important;
  }

  .mobile-nav__item svg {
    width: 22px;
    height: 22px;
    transition: none !important;
  }

  .mobile-nav__item:hover,
  .mobile-nav__item--active {
    color: var(--color-primary);
  }

  .mobile-nav__item--active {
    position: relative;
  }

  .mobile-nav__item--active::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 2px;
    background-color: var(--color-primary);
    border-radius: 0 0 var(--radius-xs) var(--radius-xs);
  }
}

/* ============================================================
   MOBILE MORE OVERLAY
   ============================================================ */

.mobile-more-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-nav) + 1);
}

@media (max-width: 768px) {
  .mobile-more-overlay {
    display: block;
    pointer-events: none;
  }

  .mobile-more-overlay.is-open {
    pointer-events: all;
  }
}

.mobile-more-overlay__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0);
  transition: background var(--duration-normal) var(--ease-in-out) !important;
}

.mobile-more-overlay.is-open .mobile-more-overlay__backdrop {
  background: rgba(0, 0, 0, 0.5);
}

.mobile-more-overlay__sheet {
  position: absolute;
  bottom: 64px;
  /* above mobile nav */
  left: var(--space-md);
  right: var(--space-md);
  background-color: var(--color-surface-container-high);
  border-radius: var(--radius-xl) var(--radius-xl) var(--radius-md) var(--radius-md);
  padding: var(--space-lg);
  transform: translateY(20px);
  opacity: 0;
  transition:
    transform var(--duration-normal) var(--ease-premium),
    opacity var(--duration-normal) var(--ease-premium) !important;
  pointer-events: none;
  box-shadow: var(--shadow-lg);
}

.mobile-more-overlay.is-open .mobile-more-overlay__sheet {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}

.mobile-more-overlay__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-outline-variant);
}

.mobile-more-overlay__title {
  font-family: var(--font-headline);
  font-size: var(--text-title-lg);
  font-weight: 600;
  color: var(--color-on-surface);
}

.mobile-more-overlay__close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-on-surface-variant);
  font-size: 1.25rem;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--duration-fast) var(--ease-out) !important;
}

.mobile-more-overlay__close:hover {
  background-color: var(--color-surface-container-highest);
}

.mobile-more-overlay__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.mobile-more-link {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  color: var(--color-on-surface-variant);
  font-family: var(--font-body);
  font-size: var(--text-body-md);
  font-weight: 500;
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 100%;
  text-align: left;
  transition: background-color var(--duration-fast) var(--ease-out) !important;
}

.mobile-more-link:hover,
.mobile-more-link--active {
  background-color: var(--color-surface-container-highest);
  color: var(--color-on-surface);
}

.theme-toggle-btn {
  border-top: 1px solid var(--color-outline-variant);
  margin-top: var(--space-xs);
  padding-top: var(--space-lg);
  color: var(--color-primary);
}