/* ==========================================================================
   Smart Learning Assistant - Public Styles (V1.0.3 - TTF Font Support)
   ========================================================================== */

@font-face {
    font-family: 'YekanBakh';
    src: url('../../assets/fonts/YekanBakh_Light.ttf') format('truetype');
    font-weight: 300; /* یا normal اگر این وزن اصلی فونت Light شماست */
    font-style: normal;
    font-display: swap; /* برای بهبود تجربه بارگذاری */
}
/* اگر وزن‌ها یا استایل‌های دیگری از فونت یکان بخ با فرمت TTF دارید (مثلا Bold)،
   می‌توانید برای آن‌ها هم @font-face جداگانه در اینجا تعریف کنید:
@font-face {
    font-family: 'YekanBakh';
    src: url('../fonts/Yekan-Bakh-EN-07-Bold.ttf') format('truetype');
    font-weight: 700; // Bold
    font-style: normal;
    font-display: swap;
}
*/

/* --- Modern Editorial: Indigo & Amber (course shortcode) --- */
.sla-course-display-wrapper {
    --sla-page: #F5F6FA;
    --sla-ink: #172554;
    --sla-text: #334155;
    --sla-muted: #64748B;
    --sla-line: #E2E8F0;
    --sla-surface: #FFFFFF;
    --sla-selected: #EEF2FF;
    --sla-selected-bar: #4F46E5;
    --sla-link: #4338CA;
    --sla-hero-from: #172554;
    --sla-hero-to: #3730A3;
    --sla-hero-desc: #E0E7FF;
    --sla-buy-bg: #FFFBEB;
    --sla-buy-border: #FDE68A;
    --sla-cta: #FBBF24;
    --sla-cta-hover: #F59E0B;
    --sla-cta-text: #172554;
    --sla-radius: 20px;
    --sla-shadow: 0 4px 14px rgba(23, 37, 84, 0.06);

    font-family: 'YekanBakh', Tahoma, Arial, sans-serif;
    direction: rtl;
    margin: 28px auto;
    padding: 16px 14px 22px;
    background: var(--sla-page);
    border: 0;
    border-radius: 0;
    box-shadow: none;
    max-width: 900px;
    position: relative;
    color: var(--sla-text);
    font-size: 16px;
    line-height: 1.7;
}

.sla-course-display-wrapper h1.course-title {
    color: var(--sla-ink);
    text-align: center;
    margin-bottom: 20px;
    font-size: 30px;
    font-weight: 700;
    border-bottom: 0;
    padding-bottom: 0;
}

@keyframes sla-hero-gradient-shift {
    0% { background-position: 0% 40%; }
    50% { background-position: 100% 60%; }
    100% { background-position: 0% 40%; }
}

@keyframes sla-glass-shine {
    0% { transform: translateX(-120%) skewX(-18deg); opacity: 0; }
    20% { opacity: 0.35; }
    45% { opacity: 0.18; }
    100% { transform: translateX(160%) skewX(-18deg); opacity: 0; }
}

/* --- Hero --- */
.sla-course-hero {
    margin: 0 0 14px;
    border-radius: var(--sla-radius);
    overflow: hidden;
    background: linear-gradient(
        125deg,
        #172554 0%,
        #312E81 28%,
        #4338CA 52%,
        #3730A3 74%,
        #1E1B4B 100%
    );
    background-size: 220% 220%;
    animation: sla-hero-gradient-shift 14s ease-in-out infinite;
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow:
        0 10px 28px rgba(23, 37, 84, 0.18),
        inset 0 1px 0 rgba(255, 255, 255, 0.22);
    position: relative;
    isolation: isolate;
}
.sla-course-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 18% 20%, rgba(253, 224, 71, 0.18), transparent 42%),
        radial-gradient(circle at 82% 0%, rgba(165, 180, 252, 0.28), transparent 46%);
    pointer-events: none;
    z-index: 0;
}
.sla-course-hero::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 42%;
    background: linear-gradient(
        100deg,
        transparent 0%,
        rgba(255, 255, 255, 0.16) 48%,
        transparent 100%
    );
    animation: sla-glass-shine 7.5s ease-in-out infinite;
    pointer-events: none;
    z-index: 1;
}
.sla-course-hero__inner {
    position: relative;
    z-index: 2;
    padding: 26px 24px 22px;
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
.sla-course-display-wrapper .sla-course-hero__title,
.sla-course-display-wrapper h1.sla-course-hero__title {
    margin: 0 0 12px !important;
    font-size: clamp(28px, 3vw, 32px) !important;
    font-weight: 700 !important;
    line-height: 1.35 !important;
    text-align: center !important;
    color: #FFFFFF !important;
    background: transparent !important;
    background-image: none !important;
    border: 0 !important;
    box-shadow: none !important;
    padding: 0 !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.28) !important;
    -webkit-text-fill-color: #FFFFFF !important;
}
.sla-course-display-wrapper .sla-course-hero__title-text {
    display: inline;
    color: #FFFFFF !important;
    -webkit-text-fill-color: #FFFFFF !important;
    background: none !important;
    background-image: none !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.28);
}
.sla-course-display-wrapper .sla-course-hero__instructor {
    text-align: center;
    margin: 0 0 14px;
    font-size: 16px;
    color: #FDE68A !important;
}
.sla-course-display-wrapper .sla-course-hero__instructor-name,
.sla-course-display-wrapper .sla-course-hero__instructor strong {
    color: #FFFFFF !important;
    -webkit-text-fill-color: #FFFFFF !important;
    font-weight: 800;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}
.sla-course-display-wrapper .sla-course-hero__label {
    color: #FCD34D !important;
    -webkit-text-fill-color: #FCD34D !important;
    opacity: 1;
    margin-left: 6px;
    font-weight: 700;
}
.sla-course-hero__summary {
    margin: 0;
    padding: 12px 14px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.22);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: #EEF2FF;
    font-size: 16px;
    line-height: 1.8;
    text-align: center;
}
.sla-course-hero__summary p {
    margin: 0 0 0.55em;
    color: #EEF2FF;
}
.sla-course-hero__summary p:last-child {
    margin-bottom: 0;
}
.sla-course-hero__summary--muted {
    text-align: center;
    font-style: italic;
    color: #C7D2FE;
    opacity: 1;
}

/* --- Enrollment / purchase --- */
.sla-course-enrollment {
    margin: 0 0 14px;
}

.sla-course-enrollment-card {
    border-radius: var(--sla-radius);
    overflow: hidden;
    padding: 18px 18px 16px;
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid rgba(255, 255, 255, 0.65);
    box-shadow:
        var(--sla-shadow),
        inset 0 1px 0 rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    text-align: center;
}

.sla-course-enrollment-card--free {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(199, 210, 254, 0.7);
    box-shadow:
        var(--sla-shadow),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    color: var(--sla-text);
}

.sla-course-enrollment-card--paid {
    background: #FFFBEB;
    border: 1px solid #FDE68A;
    box-shadow: 0 8px 20px rgba(245, 158, 11, 0.1);
    color: var(--sla-text);
    position: relative;
    padding: 12px;
}

.sla-course-enrollment-card--paid::before {
    content: none;
}

.sla-course-enrollment-card__frame {
    margin: 0 auto;
    max-width: 420px;
    padding: 14px 14px 12px;
    background: var(--sla-surface, #FFFFFF);
    border: 1px solid var(--sla-buy-border, #FDE68A);
    border-radius: 16px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9);
    overflow: hidden;
}

.sla-course-enrollment-card__free-panel {
    margin: 0 auto 12px;
    padding: 0;
    max-width: 520px;
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
}

.sla-course-enrollment-card--free .sla-course-enrollment-card__lead {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.7;
    color: var(--sla-text);
}

.sla-course-enrollment-card--enrolled {
    background: var(--sla-selected);
    border-color: #C7D2FE;
    color: var(--sla-ink);
    text-align: center;
    font-size: 16px;
}

.sla-course-enrollment-card__kicker {
    margin: 0 0 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--sla-muted);
    letter-spacing: 0;
}

.sla-course-enrollment-card__offer {
    margin: 0 0 10px;
    padding: 12px 12px 10px;
    background: var(--sla-buy-bg, #FFFBEB);
    border: 1px solid var(--sla-buy-border, #FDE68A);
    border-radius: 14px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.65);
}

.sla-course-enrollment-card__price-panel {
    display: flex;
    align-items: baseline;
    justify-content: center;
    flex-wrap: wrap;
    gap: 4px 8px;
    margin: 0 0 6px;
    padding: 0;
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
}

.sla-course-enrollment-card__amount {
    font-size: 30px;
    font-weight: 800;
    line-height: 1.1;
    color: var(--sla-ink);
    font-variant-numeric: tabular-nums;
    text-shadow: none;
}

.sla-course-enrollment-card__amount--muted {
    font-size: 16px;
    font-weight: 600;
    color: var(--sla-muted);
    text-shadow: none;
}

.sla-course-enrollment-card__currency {
    font-size: 15px;
    font-weight: 700;
    color: var(--sla-ink);
}

.sla-course-enrollment-card__benefit {
    margin: 0;
    font-size: 13px;
    font-weight: 500;
    color: var(--sla-muted);
}

.sla-course-enrollment-card__original {
    display: inline-flex;
    align-items: baseline;
    gap: 6px;
    margin-inline-end: 10px;
    text-decoration: line-through;
    opacity: 0.75;
    font-size: 15px;
    color: var(--sla-muted);
}

.sla-course-enrollment-card__original[hidden] {
    display: none !important;
}

.sla-course-enrollment-card__original-amount {
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.sla-course-discount-box {
    margin: 0 0 10px;
    padding: 8px 10px;
    text-align: center;
    background: var(--sla-buy-bg, #FFFBEB);
    border: 1px dashed var(--sla-buy-border, #FCD34D);
    border-radius: 10px;
}

.sla-course-discount-box__prompt {
    margin: 0;
    font-size: 13px;
    color: var(--sla-muted);
}

.sla-course-discount-toggle {
    margin: 0;
    padding: 0;
    border: 0;
    background: none;
    color: var(--sla-link);
    font: inherit;
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 3px;
    cursor: pointer;
    transition: color 180ms ease;
}

.sla-course-discount-toggle:hover,
.sla-course-discount-toggle:focus {
    color: #3730A3;
}

.sla-course-discount-box__fields {
    margin-top: 8px;
}

.sla-course-discount-box__fields[hidden] {
    display: none !important;
}

.sla-course-discount-box__row {
    display: flex;
    gap: 8px;
    align-items: stretch;
    justify-content: center;
    max-width: 280px;
    margin: 0 auto;
}

.sla-course-discount-input {
    flex: 1 1 auto;
    min-width: 0;
    max-width: 180px;
    padding: 8px 10px !important;
    border: 1px solid var(--sla-buy-border) !important;
    border-radius: 10px !important;
    background: #fff !important;
    color: var(--sla-ink) !important;
    font-size: 14px !important;
}

.sla-course-discount-input::placeholder {
    color: var(--sla-muted);
}

.sla-course-discount-apply {
    flex: 0 0 auto;
    padding: 8px 12px !important;
    border-radius: 10px !important;
    background: #fff !important;
    border: 1px solid var(--sla-buy-border) !important;
    color: var(--sla-ink) !important;
    font-weight: 600 !important;
    font-size: 14px !important;
    transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.sla-course-discount-apply:hover,
.sla-course-discount-apply:focus {
    background: #FEF3C7 !important;
    color: var(--sla-ink) !important;
    transform: translateY(-2px);
}

.sla-course-discount-box__message {
    min-height: 1.1em;
    margin: 6px 0 0;
    font-size: 13px;
}

.sla-course-discount-box__message.is-success {
    color: #15803d;
}

.sla-course-discount-box__message.is-error {
    color: #b91c1c;
}

.sla-course-sticky-cta {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    display: flex;
    justify-content: center;
    padding: 12px 14px calc(12px + env(safe-area-inset-bottom, 0px));
    background: rgba(255, 255, 255, 0.88);
    border-top: 1px solid rgba(226, 232, 240, 0.9);
    box-shadow: 0 -4px 16px rgba(23, 37, 84, 0.06);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    pointer-events: none;
}

.sla-course-sticky-cta__btn {
    pointer-events: auto;
    min-width: min(100%, 340px);
    padding: 13px 22px !important;
    border: none !important;
    border-radius: 12px !important;
    background: var(--sla-cta) !important;
    color: var(--sla-cta-text) !important;
    font-size: 16px !important;
    font-weight: 700 !important;
    text-align: center;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.25);
    transition: background 180ms ease, transform 180ms ease;
}

.sla-course-sticky-cta__btn:hover,
.sla-course-sticky-cta__btn:focus {
    color: var(--sla-cta-text) !important;
    background: var(--sla-cta-hover) !important;
    transform: translateY(-2px);
    filter: none;
}

body.sla-has-sticky-cta .sla-course-display-wrapper {
    padding-bottom: 88px;
}

.sla-course-enrollment-card__form {
    margin: 0;
}

.sla-course-enrollment-card--paid .sla-course-purchase-submit {
    display: block;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

@keyframes sla-cta-soft-nudge {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-2px); }
}

.sla-course-enrollment-card--paid .sla-course-purchase-submit,
.sla-course-enrollment-card--free .sla-course-enrollment-cta,
.sla-course-enrollment-card--free .sla-course-free-cta {
    min-width: 220px;
    padding: 12px 18px !important;
    font-size: 16px !important;
    font-weight: 700 !important;
    border: none !important;
    border-radius: 12px !important;
    box-shadow: none;
    transition: background 180ms ease, transform 180ms ease;
}

.sla-course-enrollment-card--paid .sla-course-purchase-submit {
    background: var(--sla-cta) !important;
    color: var(--sla-cta-text) !important;
    text-shadow: none;
    animation: sla-cta-soft-nudge 2.8s ease-in-out infinite;
    will-change: transform;
}

@media (prefers-reduced-motion: reduce) {
    .sla-course-enrollment-card--paid .sla-course-purchase-submit {
        animation: none;
    }
}

.sla-course-enrollment-card--free .sla-course-free-cta {
    background: var(--sla-link) !important;
    color: #fff !important;
    text-shadow: none;
}

.sla-course-enrollment-card--paid .sla-course-purchase-submit:hover,
.sla-course-enrollment-card--paid .sla-course-purchase-submit:focus {
    animation: none;
    transform: translateY(-2px);
    background: var(--sla-cta-hover) !important;
    box-shadow: none !important;
    color: var(--sla-cta-text) !important;
}

.sla-course-enrollment-card--free .sla-course-free-cta:hover,
.sla-course-enrollment-card--free .sla-course-free-cta:focus {
    transform: translateY(-2px);
    background: #3730A3 !important;
    box-shadow: none !important;
    color: #fff !important;
}

.sla-course-enrollment-card__login-hint {
    margin: 8px 0 0;
    font-size: 13px;
}

.sla-course-enrollment-card__login-hint a {
    color: var(--sla-link);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 180ms ease;
}

.sla-course-enrollment-card__login-hint a:hover {
    color: #3730A3;
}

.sla-course-access-hint {
    margin: 0 0 14px;
    padding: 10px 12px;
    background: var(--sla-surface);
    border: 1px solid var(--sla-line);
    border-radius: var(--sla-radius);
    color: var(--sla-muted);
    font-size: 14px;
    line-height: 1.7;
    box-shadow: var(--sla-shadow);
}

.sla-toc-title {
    vertical-align: middle;
}
.sla-toc-badge {
    display: inline-block;
    margin-right: 8px;
    padding: 2px 8px;
    font-size: 12px;
    font-weight: 700;
    color: var(--sla-link);
    background: var(--sla-selected);
    border-radius: 6px;
    vertical-align: middle;
    white-space: nowrap;
}

.sla-chapter-locked {
    padding: 18px 16px;
    border-radius: 14px;
    background: var(--sla-page);
    border: 1px solid var(--sla-line);
    color: var(--sla-text);
    text-align: center;
}
.sla-chapter-locked p {
    margin: 0 0 10px;
}
.sla-chapter-locked p:last-child {
    margin-bottom: 0;
}
.sla-chapter-locked a {
    color: var(--sla-link);
}
.sla-course-chapter--preview .chapter-content {
    border-right: 3px solid var(--sla-selected-bar);
    padding-right: 12px;
}

/* --- TOC --- */
.sla-course-toc {
    background: rgba(255, 255, 255, 0.82);
    padding: 14px 14px 8px;
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: var(--sla-radius);
    margin-bottom: 14px;
    box-shadow:
        var(--sla-shadow),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.sla-course-toc h3 {
    margin-top: 0;
    margin-bottom: 10px;
    color: var(--sla-ink);
    font-size: 18px;
    font-weight: 700;
}

.sla-course-toc ul {
    list-style: none;
    padding: 0;
    margin: 0;
    columns: 2;
    -webkit-columns: 2;
    -moz-columns: 2;
    column-gap: 14px;
}

.sla-course-toc ul li a {
    text-decoration: none;
    color: var(--sla-text);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 6px;
    padding: 9px 10px;
    margin-bottom: 4px;
    border: 0;
    border-radius: 10px;
    border-right: 3px solid transparent;
    transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
    font-size: 15px;
    break-inside: avoid;
}
.sla-course-toc ul li:last-child a {
    border-bottom: 0;
}

.sla-course-toc ul li a:hover {
    background: var(--sla-page);
    color: var(--sla-ink);
}
.sla-course-toc ul li a.sla-active-chapter {
    color: var(--sla-ink);
    font-weight: 700;
    background: var(--sla-selected);
    border-right-color: var(--sla-selected-bar);
}

/* --- Nav buttons --- */
.sla-course-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}
.sla-top-navigation {
    margin-bottom: 14px;
}
.sla-bottom-navigation {
    margin-top: 18px;
    border-top: 1px solid var(--sla-line);
    padding-top: 14px;
}

.sla-course-nav-button {
    padding: 10px 16px;
    text-decoration: none;
    color: var(--sla-ink) !important;
    background: var(--sla-surface);
    border: 1px solid var(--sla-line);
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    font-size: 15px;
    box-shadow: none;
    transition: background 180ms ease, color 180ms ease, transform 180ms ease;
    text-align: center;
    min-width: 120px;
}
.sla-course-navigation .sla-prev-chapter {
    margin-left: 5px;
}
.sla-course-navigation .sla-next-chapter {
    margin-right: 5px;
}

.sla-course-nav-button:hover {
    color: var(--sla-link) !important;
    background: var(--sla-selected);
    border-color: #C7D2FE;
    transform: translateY(-2px);
    box-shadow: none;
}
.sla-course-nav-button.disabled,
.sla-course-nav-button:disabled {
    background: var(--sla-page);
    color: var(--sla-muted) !important;
    border-color: var(--sla-line);
    cursor: not-allowed;
    opacity: 1;
    transform: none;
    box-shadow: none;
}

/* --- Chapters --- */
.sla-course-chapters-content {
    background: rgba(255, 255, 255, 0.86);
    border: 1px solid rgba(255, 255, 255, 0.72);
    border-radius: var(--sla-radius);
    box-shadow:
        var(--sla-shadow),
        inset 0 1px 0 rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 18px 18px 6px;
}

.sla-course-chapter {
    display: none;
    margin-bottom: 22px;
    padding-bottom: 6px;
}

.sla-course-chapter.sla-chapter-visible {
    display: block !important;
}

.sla-course-chapter h2.chapter-title {
    color: var(--sla-ink);
    margin-top: 0;
    margin-bottom: 12px;
    font-size: 22px;
    font-weight: 700;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--sla-line);
}

.sla-course-chapter .chapter-content {
    line-height: 1.8;
    color: var(--sla-text);
    font-size: 16px;
}
.sla-course-chapter .chapter-content p {
    margin-bottom: 1em;
}
.sla-course-chapter .chapter-content img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 18px auto;
    border-radius: 14px;
    box-shadow: none;
    border: 1px solid var(--sla-line);
    padding: 0;
    background-color: #fff;
}
.sla-course-chapter .chapter-content ul,
.sla-course-chapter .chapter-content ol {
    margin-bottom: 1em;
    padding-right: 20px;
}
.sla-course-chapter .chapter-content blockquote {
    border-right: 3px solid var(--sla-selected-bar);
    padding: 10px 14px;
    margin: 16px 0;
    background-color: var(--sla-selected);
    color: var(--sla-text);
    font-style: italic;
}
.sla-course-chapter .chapter-content a {
    color: var(--sla-link);
}
.sla-course-chapter .chapter-content code {
    background-color: var(--sla-page);
    padding: 2px 5px;
    border-radius: 4px;
    font-family: 'Consolas', 'Monaco', monospace;
    direction: ltr;
    text-align: left;
    font-size: 0.9em;
}
.sla-course-chapter .chapter-content pre {
    background-color: var(--sla-ink);
    color: #e2e8f0;
    padding: 14px;
    border-radius: 12px;
    overflow-x: auto;
    direction: ltr;
    text-align: left;
    font-family: 'Consolas', 'Monaco', monospace;
    line-height: 1.5;
    font-size: 0.9em;
}
.sla-course-chapter .chapter-content pre code {
    background-color: transparent;
    padding: 0;
    color: inherit;
}

.sla-toast {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background-color: var(--sla-ink);
    color: #fff;
    padding: 12px 20px;
    border-radius: 12px;
    box-shadow: var(--sla-shadow);
    z-index: 100001;
    opacity: 0;
    visibility: hidden;
    transition: opacity 180ms ease, visibility 0s linear 180ms;
    font-size: 15px;
    pointer-events: none;
    text-align: center;
    min-width: 220px;
    max-width: 80%;
}

.sla-toast.show {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%);
}

/* --- رسپانسیو کردن --- */
@media (max-width: 768px) {
    .sla-course-toc ul {
        columns: 1;
        -webkit-columns: 1;
        -moz-columns: 1;
    }
    .sla-course-display-wrapper {
        padding: 20px 15px;
    }
    .sla-course-display-wrapper h1.course-title {
        font-size: 1.8em;
    }
    .sla-course-chapter h2.chapter-title {
        font-size: 1.4em;
    }
    .sla-course-nav-button {
        padding: 10px 15px;
        font-size: 0.9em;
        min-width: 100px;
    }
}
@media (max-width: 480px) {
    .sla-course-nav-button {
        font-size: 0.85em;
        padding: 8px 12px;
        min-width: auto;
    }
}

/* ==========================================================================
   Student Dashboard (Shortcode: [sla_student_dashboard])
   ========================================================================== */

.sla-student-dashboard {
    direction: rtl;
    font-family: 'YekanBakh', Tahoma, Arial, sans-serif;
    max-width: 980px;
    margin: 24px auto;
}

.sla-dashboard-intro {
    margin: 0 0 16px;
    padding: 0 0 14px;
    text-align: right;
    font-size: 1rem;
    font-weight: 600;
    color: #1e293b;
    line-height: 1.7;
    border-bottom: 1px solid #e2e8f0;
}

.sla-dashboard-hero {
    background: linear-gradient(135deg, #3A8DFF 0%, #6AC8FF 50%, #8B5CF6 100%);
    border-radius: 16px;
    padding: 18px;
    box-shadow: 0 10px 25px rgba(17, 24, 39, 0.18);
    position: relative;
    overflow: hidden;
}
.sla-dashboard-hero::after {
    content: "";
    position: absolute;
    inset: -40px;
    background: radial-gradient(circle at 30% 20%, rgba(255,255,255,0.35), transparent 45%),
                radial-gradient(circle at 70% 70%, rgba(255,255,255,0.18), transparent 55%);
    pointer-events: none;
}
.sla-dashboard-hero__content {
    position: relative;
    z-index: 1;
    color: #fff;
}
.sla-dashboard-hero__title {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.7;
}
.sla-dashboard-hero__name {
    display: inline-block;
    margin-right: 6px;
    padding: 2px 10px;
    border-radius: 999px;
    background: rgba(255,255,255,0.18);
    border: 1px solid rgba(255,255,255,0.22);
}
.sla-dashboard-hero__subtitle {
    margin-top: 10px;
    font-size: 0.95rem;
    opacity: 0.95;
}

.sla-dashboard-section {
    margin-top: 18px;
    background: linear-gradient(to bottom, #FFFFFF, #F8F9FA);
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    padding: 18px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.06);
}
.sla-dashboard-section__title {
    font-size: 1.05rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 14px;
    border-right: 4px solid #6AC8FF;
    padding-right: 10px;
}

.sla-dashboard-empty {
    padding: 14px;
    border-radius: 12px;
    border: 1px dashed #cbd5e1;
    background: #f8fafc;
    color: #334155;
}

.sla-courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
}

.sla-course-card {
    display: block;
    text-decoration: none !important;
    border-radius: 16px;
    padding: 12px 12px 12px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    background: #fff;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.06);
    transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
    position: relative;
    overflow: hidden;
}
.sla-course-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(58,141,255,0.10), rgba(139,92,246,0.06));
    opacity: 0;
    transition: opacity 180ms ease;
}
.sla-course-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 34px rgba(15, 23, 42, 0.12);
    border-color: rgba(58,141,255,0.35);
}
.sla-course-card:hover::before {
    opacity: 1;
}
.sla-course-card__title,
.sla-course-card__excerpt,
.sla-course-card__cta {
    position: relative;
    z-index: 1;
}
.sla-course-card__title {
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 8px;
    line-height: 1.7;
}

.sla-course-card__media {
    border-radius: 14px;
    overflow: hidden;
    margin-bottom: 12px;
    border: 1px solid rgba(15, 23, 42, 0.06);
    background: linear-gradient(135deg, rgba(58,141,255,0.12), rgba(139,92,246,0.10));
    aspect-ratio: 16 / 9;
}
.sla-course-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.sla-course-card__img-placeholder {
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 20%, rgba(255,255,255,0.55), transparent 55%),
                linear-gradient(135deg, rgba(58,141,255,0.22), rgba(139,92,246,0.18));
}
.sla-course-card__excerpt {
    color: #64748b;
    font-size: 0.92rem;
    line-height: 1.8;
    min-height: 44px;
}
.sla-course-card__cta {
    margin-top: 12px;
    display: inline-block;
    padding: 8px 12px;
    border-radius: 12px;
    background: linear-gradient(135deg, #6AC8FF 0%, #3A8DFF 100%);
    color: #fff;
    font-weight: 700;
    font-size: 0.92rem;
}

@media (max-width: 480px) {
    .sla-dashboard-hero,
    .sla-dashboard-section {
        border-radius: 14px;
        padding: 14px;
    }
    .sla-course-card {
        border-radius: 14px;
    }
}