.mt-6 {
        margin-top: 10rem;
    }
    .hidden { display: none !important; }
    .rating-stars .stars, .rating-input .stars { display: flex; gap: 0.5rem; font-size: 1.5rem; cursor: pointer; }
    .rating-stars .stars i, .rating-input .stars i { color: #ddd; transition: color 0.2s; }
    .rating-stars .stars i.text-warning, .rating-input .stars i.text-warning { color: #ffc107; }
    .rating-input .star {
        font-size: 2rem;
        color: #ccc;
        cursor: pointer;
        transition: color 0.2s;
    }
    .rating-modal__reason-required {
        color: hsl(var(--danger, 0 72% 51%));
        font-size: 0.9rem;
        font-weight: 600;
        margin-bottom: 0.5rem;
    }
    @supports not (color: hsl(var(--danger))) {
        .rating-modal__reason-required { color: #c0392b; }
    }
    .btn { position: relative; }
    .btn--busy { pointer-events: none; }
    .btn--busy::before { content: ''; position: absolute; inset: 0; background: rgba(255,255,255,0.6); border-radius: inherit; z-index: 1; }
    .btn .btn__spinner { display: none; }
    .btn--busy .btn__spinner {
        display: block;
        position: absolute;
        left: 50%;
        top: 50%;
        margin: 0;
        width: 1.25rem;
        height: 1.25rem;
        border: 2px solid currentColor;
        border-right-color: transparent;
        border-radius: 50%;
        animation: lesson-btn-spin 0.6s linear infinite;
        z-index: 2;
        transform: translate(-50%, -50%);
        transform-origin: center center;
    }
    .btn--busy .btn__text { visibility: hidden; }
    .btn--busy .btn__busy-text { display: none; }
    .btn .btn__busy-text { display: none; }
    /* ثبات حجم الزر أثناء التحميل حتى لا تتحرك علامة التحميل للأسفل */
    #submitRatingBtn.btn--busy { min-width: 7.5rem; min-height: 2.25rem; }
    #completeLessonBtn.btn--busy { min-width: 10rem; min-height: 2.25rem; }
    #completeLessonBtn.btn--busy i { animation: lesson-btn-spin 0.6s linear infinite; }
    #favoriteLessonBtn.btn--busy { min-width: 7rem; min-height: 2.25rem; }
    .lesson-progress__favorite-btn[aria-pressed="true"] i {
        font-weight: 900;
    }
    @keyframes lesson-btn-spin { to { transform: rotate(360deg); } }
    .lesson-progress {
        position: relative;
    }
    /* زر الإكمال معطّل (بانتظار شرط المشاهدة): أحمر فاتح */
    .complete-btn--wait,
    #completeLessonBtn:disabled {
        opacity: 1;
        cursor: not-allowed;
        background-color: #f8d7da !important;
        border-color: #f5c2c7 !important;
        color: #842029 !important;
    }
    /* كلمات الدرس: الزر مفعّل للنقر لعرض التنبيه */
    #completeLessonBtn.complete-btn--wait:not(:disabled) {
        cursor: pointer;
    }
    .lesson-progress__unlock-hint {
        font-weight: 500;
    }
    .lesson-progress__toolbar {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 0.5rem;
        margin-top: 0.5cm;
    }
    .lesson-progress__actions-slot {
        flex: 0 1 auto;
        min-width: 0;
    }
    .lesson-progress__playback-slot {
        flex: 0 0 auto;
    }
    .lesson-progress__progress-slot {
        flex: 1 1 12rem;
        min-width: 0;
    }
    .lesson-progress__speed-home {
        flex-shrink: 0;
    }
    .lesson-progress__speed-wrap {
        flex-shrink: 0;
    }
    .lesson-progress__speed-label {
        font-size: 0.8rem;
        font-weight: 600;
        color: #7a1010;
        white-space: nowrap;
    }
    .lesson-progress__speed-label i {
        margin-inline-end: 0.2rem;
    }
    .lesson-progress__speed {
        width: auto;
        min-width: 4.5rem;
        padding: 0.25rem 0.5rem;
        font-size: 0.875rem;
        border-color: rgba(182, 0, 0, 0.25);
    }
    .lesson-progress__speed:focus {
        border-color: #b60000;
        box-shadow: 0 0 0 0.2rem rgba(182, 0, 0, 0.15);
    }
    .lesson-progress__vimeo-controls {
        display: inline-flex;
        align-items: center;
        gap: 0.25rem;
        margin-inline-start: 0.25rem;
    }
    .lesson-progress__control-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 2rem;
        height: 2rem;
        padding: 0;
        border: 1px solid rgba(182, 0, 0, 0.22);
        border-radius: 999px;
        background: rgba(182, 0, 0, 0.06);
        color: #7a1010;
        transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
    }
    .lesson-progress__control-btn:hover:not(:disabled),
    .lesson-progress__control-btn:focus-visible:not(:disabled) {
        background: #b60000;
        border-color: #b60000;
        color: #fff;
        outline: none;
    }
    .lesson-progress__control-btn:disabled {
        opacity: 0.45;
        cursor: not-allowed;
    }
    .lesson-progress__control-btn i {
        font-size: 1rem;
        line-height: 1;
    }
    .brand-notice-modal {
        border: 1px solid rgba(182, 0, 0, 0.28);
        border-radius: 10px;
        overflow: hidden;
        box-shadow: 0 8px 24px rgba(182, 0, 0, 0.12);
    }
    .brand-notice-modal .modal-header {
        border-bottom: 1px solid rgba(182, 0, 0, 0.2);
        background: linear-gradient(180deg, rgba(182, 0, 0, 0.12), rgba(182, 0, 0, 0.04));
        padding: 12px 16px;
    }
    .brand-notice-modal .modal-header .modal-title {
        color: #7a1010;
        font-weight: 700;
        font-size: 1.05rem;
    }
    .brand-notice-modal .modal-header .close {
        color: #7a1010;
        opacity: 0.85;
    }
    .brand-notice-modal .modal-body {
        background: #fff;
        padding: 16px;
        border-bottom: 1px solid rgba(182, 0, 0, 0.1);
    }
    .brand-notice-modal__hero {
        display: flex;
        align-items: flex-start;
        gap: 12px;
    }
    .brand-notice-modal__icon {
        width: 36px;
        height: 36px;
        border-radius: 50%;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: rgba(182, 0, 0, 0.1);
        color: #b60000;
        font-size: 1.1rem;
        flex: 0 0 36px;
    }
    .brand-notice-modal__eyebrow {
        color: #7a1010;
        font-weight: 700;
        font-size: 0.8rem;
        letter-spacing: 0.02em;
        text-transform: uppercase;
    }
    .watch-requirement-modal__msg {
        color: #3d3d3d;
        line-height: 1.65;
        font-size: 0.95rem;
    }
    .watch-requirement-modal__footer {
        display: flex;
        flex-wrap: wrap;
        justify-content: flex-end;
        gap: 8px;
        padding: 12px 16px;
        background: linear-gradient(0deg, rgba(182, 0, 0, 0.04), transparent);
        border-top: 1px solid rgba(182, 0, 0, 0.14);
    }
    .watch-requirement-modal__footer .btn--primary {
        background: #b60000;
        border-color: #b60000;
        color: #fff;
    }
    .watch-requirement-modal__footer .btn--primary:hover {
        background: #9a0000;
        border-color: #9a0000;
        color: #fff;
    }
    .completion-login-modal__footer {
        display: block;
        padding: 14px 16px 16px;
        background: linear-gradient(0deg, rgba(182, 0, 0, 0.04), transparent);
        border-top: 1px solid rgba(182, 0, 0, 0.14);
    }
    .completion-login-modal__google {
        border: 1px solid rgba(182, 0, 0, 0.3);
        background: linear-gradient(180deg, #ffffff 0%, hsl(var(--white) / 0.96) 100%);
        padding: 14px 18px;
        min-height: 56px;
        border-radius: 14px;
        width: 100%;
        display: flex;
        align-items: center;
        gap: 0.8rem;
        justify-content: center;
        text-align: center;
        color: hsl(var(--heading-color));
        font-size: 15px;
        font-weight: 700;
        transition: all 0.22s ease;
        box-shadow: 0 8px 18px rgba(15, 23, 42, 0.06);
    }
    .completion-login-modal__google .google-icon {
        width: 32px;
        height: 32px;
        border-radius: 999px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: rgba(182, 0, 0, 0.1);
        flex: 0 0 32px;
    }
    .completion-login-modal__google img {
        width: 20px;
        height: 20px;
        object-fit: contain;
    }
    .completion-login-modal__google .social-btn-text {
        color: #b60000;
    }
    .completion-login-modal__google:hover {
        background: linear-gradient(180deg, #b60000, #8f0000);
        color: #fff;
        border-color: #b60000;
        transform: translateY(-1px);
        box-shadow: 0 10px 24px rgba(182, 0, 0, 0.28);
    }
    .completion-login-modal__google:hover .social-btn-text {
        color: #fff;
    }
    .resume-popup {
        position: fixed;
        top: 96px;
        left: 50%;
        transform: translateX(-50%);
        --resume-arrow-left: 50%;
        background: #fff;
        border: 1px solid #ddd;
        border-radius: 6px;
        padding: 10px 15px;
        box-shadow: 0 4px 10px rgba(0,0,0,0.1);
        font-size: 14px;
        z-index: 2000;
        width: 280px;
        text-align: center;
    }
    .resume-popup__progress {
        background: linear-gradient(180deg, rgba(182, 0, 0, 0.09), rgba(182, 0, 0, 0.03));
        border: 1px solid rgba(182, 0, 0, 0.22);
        border-radius: 8px;
        color: #7a1010;
        font-size: 0.82rem;
        font-weight: 600;
        line-height: 1.45;
        padding: 7px 9px;
        margin-left: auto;
        margin-right: auto;
    }
    .resume-popup::after {
        content: '';
        position: absolute;
        bottom: -8px;
        left: var(--resume-arrow-left, 50%);
        transform: translateX(-50%) rotate(45deg);
        width: 16px;
        height: 16px;
        background: #b60000;
        border-left: 1px solid #ddd;
        border-bottom: 1px solid #ddd;
    }
     .popup-buttons {
         display: flex;
         justify-content: center;
         gap: 8px;
         margin-top: 10px;
     }

     /* Responsive adjustments */
     @media (max-width: 1200px) {
         .resume-popup {
             width: 260px;
             font-size: 13px;
         }
     }

     @media (min-width: 769px) and (max-width: 1199.98px) {
         .lesson-progress__toolbar {
             display: grid;
             grid-template-columns: auto minmax(10rem, 1fr);
             align-items: center;
             gap: 0.45rem 0.55rem;
         }

         .lesson-progress__actions-slot {
             order: 1;
             grid-column: 1 / -1;
             width: 100%;
             gap: 0.4rem;
             flex-wrap: wrap;
             align-items: stretch;
         }

         .lesson-progress__actions-slot .ms-2 {
             margin-inline-start: 0 !important;
         }

         .lesson-progress__actions-slot > .btn,
         .lesson-progress__actions-slot > a.btn {
             flex: 1 1 8.25rem;
             min-width: 0;
             max-width: 100%;
             padding-inline: 0.65rem;
             white-space: nowrap;
         }

         .lesson-progress__playback-slot {
             order: 2;
             grid-column: 1;
             width: max-content;
             max-width: 100%;
         }

         .lesson-progress__progress-slot {
             order: 3;
             grid-column: 2;
             width: 100%;
             min-width: 0;
             align-self: center;
         }

         .lesson-progress__speed-wrap {
             flex-wrap: nowrap;
         }

         .lesson-progress__actions-slot > .btn span,
         .lesson-progress__actions-slot > a.btn span {
             overflow: hidden;
             text-overflow: ellipsis;
         }
     }

     @media (max-width: 768px) {
         .resume-popup {
             width: 240px;
             font-size: 12px;
             padding: 8px 12px;
         }

         .popup-buttons {
             gap: 6px;
         }

         .popup-buttons .btn {
             font-size: 11px;
             padding: 4px 8px;
         }

         .lesson-progress__toolbar {
             flex-direction: column;
             align-items: stretch;
             gap: 0.55rem;
         }

         .lesson-progress__progress-slot {
             order: 1;
             width: 100%;
             flex: none;
         }

         .lesson-progress__playback-slot {
             order: 2;
             width: 100%;
         }

         .lesson-progress__speed-home {
             display: block;
         }

         .lesson-progress__speed-wrap {
             justify-content: flex-start;
             flex-wrap: nowrap;
         }

         .lesson-progress__speed-label span {
             display: none;
         }

         .lesson-progress__speed {
             min-width: 3.5rem;
             max-width: 4.25rem;
             padding: 0.2rem 0.35rem;
             font-size: 0.82rem;
         }

         .lesson-progress__control-btn {
             width: 1.85rem;
             height: 1.85rem;
         }

         .lesson-progress__actions-slot {
             order: 3;
             width: 100%;
             flex-wrap: nowrap;
             gap: 0.35rem;
             overflow-x: auto;
             -webkit-overflow-scrolling: touch;
         }

         .lesson-progress__actions-slot .ms-2 {
             margin-inline-start: 0 !important;
         }

         .lesson-progress__actions-slot > .btn,
         .lesson-progress__actions-slot > a.btn {
             flex: 1 1 0;
             min-width: 0;
             padding: 0.38rem 0.45rem;
             font-size: 0.74rem;
             white-space: nowrap;
         }

         .lesson-progress__actions-slot > .btn span,
         .lesson-progress__actions-slot > a.btn span {
             overflow: hidden;
             text-overflow: ellipsis;
         }

         .lesson-progress__actions-slot > .lesson-progress__extra-action {
             flex: 0 0 auto;
         }
     }