/* Responsive Desktop (Default) */
@media (min-width: 1025px) {
}

/* Responsive Tablet and Mobile */
@media (max-width: 1024px) {
  .header__container {
    gap: var(--spacing-md);
    position: relative;
    justify-content: space-between;
  }

  .header__actions {
    margin-left: auto;
    justify-content: flex-end;
    flex-shrink: 0;
  }

  .header__hamburger {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
  }

  .header__navbar.navbar-expand-lg {
    display: none !important;
    visibility: hidden !important;
  }

  .header__navbar.navbar-expand-lg .navbar-nav {
    display: none !important;
    visibility: hidden !important;
  }

  .header__navbar.navbar-expand-lg .navbar-nav .nav-item,
  .header__navbar.navbar-expand-lg .navbar-nav .nav-link {
    display: none !important;
    visibility: hidden !important;
  }

  .header__mobile-menu {
    display: block !important;
    visibility: visible !important;
  }

  .header__mobile-menu__content {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .header__mobile-menu__item {
    padding: var(--spacing-md);
    font-size: var(--font-size-base);
  }

  .main-body {
    padding: var(--spacing-lg);
  }

  .main-body.container-fluid {
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
  }

  .hero__banner {
    height: 200px;
  }

  .hero__title {
    font-size: 1.5rem;
  }

  .hero__description {
    font-size: var(--font-size-sm);
  }

  .features__title,
  .articles__title {
    font-size: var(--font-size-xl);
  }

  .feature-card__icon {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }

  .feature-card__title {
    font-size: var(--font-size-lg);
  }

  .stats-card,
  .ranking-card {
    padding: var(--spacing-md);
  }

  .calendar__grid {
    gap: var(--spacing-xs);
  }

  .calendar__day {
    font-size: var(--font-size-xs);
  }

  /* Avatar modal mobile responsive */
  .avatar-modal {
    right: -20px;
  }

  .avatar-modal__header {
    padding: var(--spacing-sm);
    gap: var(--spacing-sm);
  }

  .avatar-modal__avatar {
    width: 36px;
    height: 36px;
  }

  .avatar-modal__name {
    font-size: var(--font-size-sm);
  }

  .avatar-modal__email {
    font-size: var(--font-size-xs);
  }

  .avatar-modal__icon {
    width: 14px;
    font-size: var(--font-size-xs);
  }

  .row .col-lg-8 {
    width: 100%;
    flex: 0 0 100%;
    max-width: 100%;
  }

  .row .col-lg-4 {
    width: 100%;
    flex: 0 0 100%;
    max-width: 100%;
  }

  .row .col-lg-7.col-md-5 {
    width: 41.66666667%;
    flex: 0 0 41.66666667%;
    max-width: 41.66666667%;
  }

  .row .col-lg-5.col-md-7 {
    width: 58.33333333%;
    flex: 0 0 58.33333333%;
    max-width: 58.33333333%;
  }

  .row .col-lg-8:has(.practice-sentence__actions) {
    order: 2;
  }

  .row .col-lg-4:has(.practice-sidebar__list) {
    order: 1;
  }

  .row .col-lg-8:has(.practice-input),
  .row .col-lg-8:has(.practice-display) {
    order: 1;
  }

  .row .col-lg-4:has(.practice-sidebar__evaluation) {
    order: 2;
  }

  .practice-header {
    width: 100%;
    max-width: 100%;
  }

  .practice-title-section {
    width: 100%;
    max-width: 100%;
  }

  .col-lg-8 .practice-content {
    width: 100%;
    max-width: 100%;
    margin: 0;
  }

  .practice-sidebar {
    height: auto;
    position: relative;
    top: 0;
    margin-bottom: var(--spacing-lg);
    width: 100%;
    max-width: 100%;
  }

  #lv-ci-sidebar.practice-sidebar {
    height: calc(100vh - 200px);
    display: flex;
    flex-direction: column;
  }

  .practice-sidebar__content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
  }

  .practice-sidebar__content.practice-sidebar__content--expanded {
    max-height: 500px;
  }

  #lv-ci-sidebar .practice-sidebar__content {
    max-height: none;
    overflow: visible;
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
  }

  #lv-aln-sidebar.practice-sidebar {
    height: calc(100vh - 200px);
    display: flex;
    flex-direction: column;
  }

  #lv-aln-sidebar .practice-sidebar__content {
    max-height: none;
    overflow: visible;
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
  }

  #lv-aln-sidebar .lv-aln-note-container {
    flex: 1;
    min-height: 0;
    overflow: hidden;
  }

  #lv-aln-sidebar .lv-aln-note-textarea {
    min-height: 200px;
  }

  #lv-aln-sidebar .practice-sidebar__actions {
    flex-shrink: 0;
  }

  #lv-ci-sidebar .lv-ci-transcript-container {
    padding: var(--spacing-sm);
    padding-top: var(--spacing-xs);
    max-height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    flex: 1;
    min-height: 0;
  }

  #lv-ci-sidebar .practice-sidebar__list {
    max-height: none;
    overflow: visible;
  }

  .practice-sidebar__list {
    max-height: 320px;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
  }

  .practice-sidebar__list::-webkit-scrollbar {
    width: 6px;
  }

  .practice-sidebar__list::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
  }

  .practice-sidebar__list::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 10px;
  }

  .practice-sidebar__list::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
  }

  .practice-sidebar__header {
    cursor: pointer;
    user-select: none;
  }

  .practice-sidebar__header:hover {
    background-color: #f9fafb;
  }

  .practice-sidebar__toggle-icon {
    transition: transform 0.3s ease-out;
    font-size: var(--font-size-sm);
    color: #6b7280;
  }

  .practice-sidebar__toggle-icon--expanded {
    transform: rotate(180deg);
  }

  .lv-ci__description-wrapper {
    position: relative;
  }

  .lv-ci__description {
    white-space: pre-wrap;
    word-wrap: break-word;
    overflow-wrap: break-word;
    margin-bottom: 0;
  }

  .lv-ci__description--collapsed {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    max-height: calc(1.5em * 3);
  }

  .lv-ci__description-toggle {
    color: var(--bs-primary, #0d6efd);
    text-decoration: none;
    font-size: var(--font-size-sm, 0.875rem);
    display: inline-flex;
    align-items: center;
    transition: color 0.2s ease;
  }

  .lv-ci__description-toggle:hover {
    color: var(--bs-primary, #0d6efd);
    text-decoration: underline;
  }

  .lv-ci__description-toggle-icon {
    transition: transform 0.3s ease;
    font-size: 0.75rem;
  }

  .lv-aln__description-wrapper {
    position: relative;
  }

  .lv-aln__description {
    white-space: pre-wrap;
    word-wrap: break-word;
    overflow-wrap: break-word;
    margin-bottom: 0;
  }

  .lv-aln__description--collapsed {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    max-height: calc(1.5em * 3);
  }

  .lv-aln__description-toggle {
    color: var(--bs-primary, #0d6efd);
    text-decoration: none;
    font-size: var(--font-size-sm, 0.875rem);
    display: inline-flex;
    align-items: center;
    transition: color 0.2s ease;
  }

  .lv-aln__description-toggle:hover {
    color: var(--bs-primary, #0d6efd);
    text-decoration: underline;
  }

  .lv-aln__description-toggle-icon {
    transition: transform 0.3s ease;
    font-size: 0.75rem;
  }
}

/* Responsive Mobile  */
@media (max-width: 768px) {
  .row .col-lg-7.col-md-5,
  .row .col-lg-5.col-md-7 {
    width: 100%;
    flex: 0 0 100%;
    max-width: 100%;
  }

  #lv-ci-sidebar.practice-sidebar {
    height: auto;
    min-height: auto;
  }

  #lv-ci-sidebar .practice-sidebar__content {
    flex: none;
  }

  #lv-aln-sidebar.practice-sidebar {
    height: auto;
    min-height: auto;
  }

  #lv-aln-sidebar .practice-sidebar__content {
    max-height: none;
    overflow: visible;
    flex: none;
  }

  #lv-aln-sidebar .lv-aln-note-textarea {
    min-height: 200px;
  }

  #lv-aln-sidebar .practice-sidebar__actions {
    flex-shrink: 0;
  }

  #lv-ci-sidebar .lv-ci-transcript-container {
    max-height: 400px;
    overflow-y: auto;
    flex: none;
  }

  .header__container {
    gap: var(--spacing-sm);
    padding: 0 var(--spacing-sm);
  }

  .header__logo {
    max-width: 80px;
  }

  .header__logo .login-logo {
    max-height: 40px;
  }

  .header__navbar {
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .header__navbar::-webkit-scrollbar {
    display: none;
  }

  .header__navbar .navbar-nav {
    gap: var(--spacing-sm);
    flex-wrap: nowrap;
  }

  .header__navbar .nav-link {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
    white-space: nowrap;
  }

  .header__navbar .nav-icon {
    font-size: var(--font-size-xs);
  }

  .header__actions {
    gap: var(--spacing-xs);
    margin-left: auto;
    justify-content: flex-end;
    flex-shrink: 0;
  }

  .header__actions .btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
  }

  .main-body {
    padding: var(--spacing-md);
  }

  .main-body.container-fluid {
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
  }

  .main-dashboard {
    padding: var(--spacing-md);
  }

  .hero__banner {
    min-height: 100px;
  }

  .hero__title {
    font-size: 2rem;
  }

  .hero__description {
    font-size: var(--font-size-md);
  }

  .feature-card {
    margin-bottom: var(--spacing-lg);
  }

  .right-column {
    padding: var(--spacing-md);
  }

  .footer__logo,
  .footer__description,
  .footer__copyright,
  .footer__links {
    text-align: center;
    margin-bottom: var(--spacing-md);
  }

  .footer__social {
    justify-content: center;
  }

  .footer__column {
    text-align: center;
  }

  .footer__column-title {
    font-size: var(--font-size-md);
  }

  .footer__nav-list {
    text-align: center;
  }

  .footer__contact {
    text-align: center;
  }

  .footer__contact-item {
    justify-content: center;
  }

  .stats-card__stats {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .ranking-item {
    flex-wrap: nowrap;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
  }

  .wp-choose__pagination {
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: stretch;
  }

  .wp-choose__pagination-info {
    width: 100%;
    justify-content: center;
  }

  .wp-choose__pagination-text {
    text-align: center;
    font-size: var(--font-size-sm);
  }

  .wp-choose__pagination .d-flex {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
  }

  .wp-choose__pagination .wp-choose__page {
    min-width: 40px;
    height: 40px;
    font-size: var(--font-size-sm);
  }

  .practice-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }

  .practice-header__info {
    flex-direction: row !important;
    flex-wrap: nowrap;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .practice-header__info::-webkit-scrollbar {
    display: none;
  }

  .practice-header__credits,
  .practice-header__points,
  .practice-header__progress {
    font-size: var(--font-size-xs);
    white-space: nowrap;
    flex-shrink: 0;
  }

  .practice-header__icon {
    font-size: var(--font-size-sm);
  }

  .practice-header__divider {
    width: 1px;
    height: 20px;
    flex-shrink: 0;
  }

  .practice-actions {
    flex-direction: row !important;
    flex-wrap: nowrap;
    align-items: center;
    gap: var(--spacing-xs);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: var(--spacing-xs);
  }

  .practice-actions::-webkit-scrollbar {
    display: none;
  }

  .practice-actions__btn {
    flex: 0 1 auto;
    min-width: 0;
    white-space: nowrap;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xs);
  }

  .practice-actions__btn--submit {
    font-size: var(--font-size-sm);
  }

  .practice-actions__group {
    flex-wrap: nowrap !important;
    align-items: center;
    gap: var(--spacing-xs);
    flex: 0 1 auto;
    min-width: 0;
  }

  .speaking-choose__custom-topic {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }

  .speaking-choose__custom-topic-label {
    width: 100%;
    margin-bottom: 0;
  }

  .speaking-choose__custom-topic-group {
    width: 100%;
    flex: none;
  }

  .speaking-card__meta {
    gap: var(--spacing-sm);
  }

  .speaking-choose__pagination {
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: stretch;
  }

  .speaking-choose__pagination-info {
    width: 100%;
    text-align: center;
    font-size: var(--font-size-sm);
  }

  .speaking-choose__pagination-controls {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
  }

  .speaking-choose__pagination-btn {
    min-width: 40px;
    height: 40px;
    font-size: var(--font-size-sm);
  }

  .practice-sentence__btn {
    padding: 8px 12px;
    font-size: 12px;
    gap: 6px;
    min-height: 36px;
  }

  .practice-sentence__btn-icon {
    font-size: 12px;
  }

  .practice-sentence__btn-text {
    font-size: 12px;
  }

  .practice-sentence__btn--submit {
    font-size: 12px;
    padding: 8px 12px;
    min-height: 36px;
  }

  .practice-sentence__attempt {
    font-size: 11px;
  }

  .practice-sentence__nav-btn {
    padding: 8px 10px;
    font-size: 11px;
    min-width: 70px;
    gap: 4px;
    min-height: 32px;
  }

  .practice-sentence__nav-btn i {
    font-size: 11px;
  }

  .practice-sidebar__action-btn {
    padding: 8px 10px;
    font-size: 11px;
    gap: 4px;
    min-height: 32px;
  }

  .practice-sidebar__action-btn i {
    font-size: 11px;
  }

  .practice-sentence__navigation {
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    justify-content: center;
  }

  .practice-sentence__nav-btn {
    order: 2;
  }

  .practice-sentence__preview-audio {
    width: 100%;
    min-width: 0;
    flex: 1 1 100%;
    order: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4px;
    position: relative;
  }

  .practice-sentence__preview-audio .practice-recording__container {
    width: auto;
    max-width: 100%;
    margin: 0;
  }

  .practice-sentence__preview-audio .practice-recording__clear-btn {
    margin-left: 4px;
    width: 28px;
    height: 28px;
    flex-shrink: 0;
  }

  .practice-sentence__preview-audio .practice-recording__clear-btn i {
    font-size: var(--font-size-xs);
  }

  .practice-sentence__preview-audio .practice-recording__player {
    gap: var(--spacing-xs);
    padding: var(--spacing-xs);
  }

  .practice-sentence__preview-audio .practice-recording__play-btn {
    width: 28px;
    height: 28px;
    font-size: var(--font-size-xs);
    flex-shrink: 0;
  }

  .practice-sentence__preview-audio .practice-recording__time {
    font-size: var(--font-size-xs);
    min-width: 50px;
  }

  .practice-sentence__preview-audio .practice-recording__progress {
    flex: 1;
    min-width: 0;
  }

  .practice-sentence__preview-audio .practice-recording__volume-btn {
    width: 28px;
    height: 28px;
    padding: var(--spacing-xs);
    flex-shrink: 0;
  }

  .practice-sentence__preview-audio .practice-recording__volume-btn i {
    font-size: var(--font-size-xs);
  }

  .practice-sentence__preview-hint {
    font-size: var(--font-size-xs);
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-top: 4px;
    white-space: nowrap;
    width: max-content;
  }

  .speaking-choose__cards .col-md-6 {
    width: 100%;
    flex: 0 0 100%;
    max-width: 100%;
  }
}

@media (min-width: 768px) and (max-width: 1024px) {
  .speaking-choose__cards .col-md-6 {
    width: 50%;
    flex: 0 0 50%;
    max-width: 50%;
  }
}

@media (min-width: 1025px) and (max-width: 1110px) {
  .practice-sentence__navigation {
    gap: var(--spacing-sm);
  }

  .practice-sentence__preview-audio {
    min-width: 0;
    max-width: 100%;
    flex: 1 1 auto;
  }

  .practice-sentence__preview-audio .practice-recording__container {
    gap: var(--spacing-xs);
    min-width: 0;
  }

  .practice-sentence__preview-audio .practice-recording__player {
    gap: var(--spacing-xs);
    padding: var(--spacing-xs);
    min-width: 0;
  }

  .practice-sentence__preview-audio .practice-recording__play-btn {
    width: 24px;
    height: 24px;
    font-size: var(--font-size-xs);
    flex-shrink: 0;
  }

  .practice-sentence__preview-audio .practice-recording__time {
    font-size: var(--font-size-xs);
    min-width: 45px;
    flex-shrink: 0;
    white-space: nowrap;
  }

  .practice-sentence__preview-audio .practice-recording__progress {
    flex: 1;
    min-width: 0;
    max-width: 100%;
  }

  .practice-sentence__preview-audio .practice-recording__volume-btn {
    padding: var(--spacing-xs);
    flex-shrink: 0;
  }

  .practice-sentence__preview-audio .practice-recording__volume-btn i {
    font-size: var(--font-size-xs);
  }
}