/* ==========================================================================
   Личный кабинет: вход и страница с курсами
   ========================================================================== */

.cb-page {
    --cb-bg: #fcf0ea;
    --cb-card: #f8ece5;
    --cb-paper: #fffaf7;
    --cb-line: #e2cbbc;
    --cb-accent: #b28663;
    --cb-accent-dark: #96694a;
    --cb-ink: #1d1d1d;
    --cb-ink-soft: rgba(29, 29, 29, 0.82);
    --cb-ink-mute: rgba(29, 29, 29, 0.58);
    --cb-danger: #c0533f;
    --cb-shadow: 0 26px 60px rgba(122, 78, 45, 0.14);
    --cb-shadow-soft: 0 16px 38px rgba(122, 78, 45, 0.10);

    position: relative;
    flex: 1 0 auto;
    overflow: hidden;
    background:
        radial-gradient(circle at 10% 2%, rgba(255, 255, 255, 0.9), transparent 32%),
        radial-gradient(circle at 94% 14%, rgba(178, 134, 99, 0.12), transparent 30%),
        radial-gradient(circle at 2% 88%, rgba(178, 134, 99, 0.10), transparent 28%),
        var(--cb-bg);
}

.cb-page *,
.cb-page *::before,
.cb-page *::after {
    box-sizing: border-box;
}

.cb-container {
    width: min(1260px, 100%);
    margin: 0 auto;
    padding: 0 20px;
}

.cb-stars {
    position: absolute;
    top: 4%;
    right: -40px;
    width: clamp(180px, 20vw, 320px);
    opacity: 0.16;
    transform: rotate(24deg);
    pointer-events: none;
    user-select: none;
}

.cb-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    font-family: "Spectral", serif;
    font-size: 12px;
    font-style: italic;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--cb-accent);
}

.cb-eyebrow::before {
    content: "";
    width: 34px;
    height: 1px;
    background: var(--cb-accent);
    opacity: 0.6;
}

/* ==========================================================================
   ЭКРАН ВХОДА
   ========================================================================== */

.cb-auth {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: clamp(46px, 7vw, 86px) 0 clamp(56px, 7vw, 96px);
}

.cb-auth__card {
    width: min(460px, 100%);
    padding: clamp(30px, 4vw, 46px);
    border-radius: 32px;
    background: var(--cb-card);
    border: 1px solid rgba(226, 203, 188, 0.9);
    box-shadow: var(--cb-shadow);
    text-align: center;
}

.cb-auth__card .cb-eyebrow {
    justify-content: center;
}

.cb-auth__card .cb-eyebrow::after {
    content: "";
    width: 34px;
    height: 1px;
    background: var(--cb-accent);
    opacity: 0.6;
}

.cb-auth__title {
    margin: 0 0 8px;
    font-family: "Forum", serif;
    font-weight: 600;
    font-size: clamp(1.7rem, 3vw, 2.3rem) !important;
    line-height: 1.15;
    color: var(--cb-ink);
}

.cb-auth__note {
    margin: 0 0 30px;
    font-family: "Spectral", serif;
    font-style: italic;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--cb-ink-mute);
}

.cb-field {
    margin-bottom: 22px;
    text-align: left;
}

.cb-page .cb-field label,
.cb-page .cb-field .form-label {
    display: block;
    margin-bottom: 10px;
    text-align: center;
    font-family: "Spectral", serif;
    font-size: 0.82rem;
    font-style: italic;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--cb-ink-mute);
}

.cb-page .cb-input,
.cb-page input.cb-input.form-control {
    display: block;
    width: 100%;
    height: 62px;
    padding: 0 22px;
    border: 1px solid var(--cb-line);
    border-radius: 18px;
    background: var(--cb-paper);
    font-family: "Spectral", serif;
    font-size: 1.08rem;
    color: var(--cb-ink);
    box-shadow: none;
    transition: border-color .3s ease, box-shadow .3s ease, background-color .3s ease;
}

.cb-page .cb-input::placeholder {
    color: rgba(29, 29, 29, 0.35);
}

.cb-page .cb-input:focus {
    outline: none;
    border-color: var(--cb-accent);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(178, 134, 99, 0.14);
}

.cb-error {
    margin-top: 18px;
    padding: 14px 18px;
    border-radius: 16px;
    background: rgba(192, 83, 63, 0.1);
    border: 1px solid rgba(192, 83, 63, 0.28);
    font-family: "Spectral", serif;
    font-size: 0.98rem;
    color: var(--cb-danger);
}

.cb-alert {
    padding: 20px 22px;
    border-radius: 20px;
    background: rgba(192, 83, 63, 0.1);
    border: 1px solid rgba(192, 83, 63, 0.28);
    font-family: "Spectral", serif;
    font-size: 1.02rem;
    line-height: 1.6;
    color: var(--cb-danger);
}

/* ==========================================================================
   КНОПКИ
   ========================================================================== */

.cb-page .cb-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 60px;
    padding: 16px 32px;
    border: 1px solid transparent;
    border-radius: 999px;
    background: var(--cb-accent);
    color: #fff9f5;
    font-family: "Forum", serif;
    font-size: 1.1rem;
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
    text-transform: none;
    cursor: pointer;
    box-shadow: 0 16px 30px rgba(150, 105, 74, 0.22);
    transition: transform .3s ease, box-shadow .3s ease, background-color .3s ease, color .3s ease, border-color .3s ease;
}

.cb-page .cb-btn:hover,
.cb-page .cb-btn:focus-visible {
    background: var(--cb-accent-dark);
    color: #fff9f5;
    transform: translateY(-2px);
    box-shadow: 0 22px 38px rgba(150, 105, 74, 0.28);
}

.cb-page .cb-btn--block {
    width: 100%;
}

.cb-page .cb-btn--ghost {
    min-height: 48px;
    padding: 12px 24px;
    background: transparent;
    color: var(--cb-ink-mute);
    border-color: var(--cb-line);
    font-size: 1rem;
    box-shadow: none;
}

.cb-page .cb-btn--ghost:hover,
.cb-page .cb-btn--ghost:focus-visible {
    background: rgba(192, 83, 63, 0.08);
    border-color: var(--cb-danger);
    color: var(--cb-danger);
    box-shadow: none;
}

/* ==========================================================================
   КАБИНЕТ
   ========================================================================== */

.cb-main {
    padding-top: clamp(34px, 4.4vw, 64px);
    padding-bottom: clamp(46px, 5.5vw, 80px);
}

.cb-topbar {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: clamp(24px, 3vw, 38px);
}

.cb-topbar__title {
    margin: 0;
    font-family: "Forum", serif;
    font-weight: 600;
    font-size: clamp(1.8rem, 3vw, 2.6rem) !important;
    line-height: 1.15;
    color: var(--cb-ink);
}

.cb-layout {
    display: grid;
    grid-template-columns: minmax(0, 340px) minmax(0, 1fr);
    gap: clamp(20px, 2.2vw, 30px);
    align-items: start;
}

/* --- боковая панель ------------------------------------------------------- */

.cb-side {
    position: sticky;
    top: 100px;
    padding: clamp(20px, 2vw, 28px);
    border-radius: 28px;
    background: var(--cb-card);
    border: 1px solid rgba(226, 203, 188, 0.8);
    box-shadow: var(--cb-shadow-soft);
    max-height: calc(100vh - 130px);
    overflow-y: auto;
}

.cb-course + .cb-course {
    margin-top: 26px;
    padding-top: 24px;
    border-top: 1px solid var(--cb-line);
}

.cb-course__title {
    margin: 0 0 14px;
    font-family: "Forum", serif;
    font-weight: 600;
    font-size: 1.12rem;
    line-height: 1.3;
    color: var(--cb-ink);
}

.cb-page .lesson-link {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 6px;
    padding: 13px 16px 13px 14px;
    border: 1px solid transparent;
    border-radius: 16px;
    background: transparent;
    font-family: "Spectral", serif;
    font-size: 1rem;
    line-height: 1.45;
    color: var(--cb-ink-soft);
    text-decoration: none;
    cursor: pointer;
    transition: background-color .3s ease, color .3s ease, border-color .3s ease, transform .3s ease;
}

.cb-page .lesson-link::before {
    content: "";
    flex: 0 0 auto;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--cb-accent);
    opacity: 0.35;
    transition: opacity .3s ease, transform .3s ease;
}

.cb-page .lesson-link:hover {
    background: var(--cb-paper);
    border-color: var(--cb-line);
    color: var(--cb-ink);
    text-decoration: none;
    transform: translateX(3px);
}

.cb-page .lesson-link:hover::before {
    opacity: 0.7;
}

.cb-page .lesson-link.is-active {
    background: rgba(178, 134, 99, 0.14);
    border-color: rgba(178, 134, 99, 0.45);
    color: var(--cb-ink);
    text-decoration: none;
}

.cb-page .lesson-link.is-active::before {
    opacity: 1;
    transform: scale(1.25);
}

/* --- контент урока -------------------------------------------------------- */

.cb-content {
    min-width: 0;
    padding: clamp(22px, 2.4vw, 34px);
    border-radius: 28px;
    background: var(--cb-card);
    border: 1px solid rgba(226, 203, 188, 0.8);
    box-shadow: var(--cb-shadow-soft);
}

.cb-page #videoTitle {
    margin: 0 0 18px;
    font-family: "Forum", serif;
    font-weight: 600;
    font-size: clamp(1.3rem, 2vw, 1.75rem);
    line-height: 1.25;
    color: var(--cb-ink);
}

.cb-page #videoTitle:empty {
    display: none;
}

.cb-page #videoBlock {
    position: relative;
    border-radius: 22px;
    overflow: hidden;
    background: #241a13;
}

.cb-page #videoBlock:empty {
    display: none;
}

.cb-page #videoBlock iframe,
.cb-page #videoBlock video {
    display: block;
    width: 100% !important;
    height: auto !important;
    aspect-ratio: 16 / 9;
    max-width: 100%;
    border: 0;
}

/* --- материалы ------------------------------------------------------------ */

.cb-page #materialsBlock {
    margin-top: 26px;
}

.cb-page #materialsBlock:empty {
    display: none;
}

.cb-page #materialsBlock h5 {
    margin: 0 0 16px;
    padding-top: 24px;
    border-top: 1px solid var(--cb-line);
    font-family: "Spectral", serif;
    font-size: 0.82rem !important;
    font-style: italic;
    font-weight: 400 !important;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--cb-accent);
}

.cb-page #materialsBlock .text-muted {
    font-family: "Spectral", serif;
    font-size: 1rem;
    color: var(--cb-ink-mute) !important;
}

/* Ссылки на файлы (генерируются скриптом с классами .btn.btn-primary.btn-sm).
   В style.css у .btn-primary стоят color и border-width с !important,
   поэтому цвет и рамку переопределяем тоже с !important. */
.cb-page #materialsBlock .btn,
.cb-page #materialsBlock a.btn.btn-primary.btn-sm {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 50px;
    padding: 12px 24px;
    border: 1px solid var(--cb-line) !important;
    border-radius: 999px;
    background-color: var(--cb-paper) !important;
    color: #7d5539 !important;
    font-family: "Forum", serif;
    font-size: 1rem;
    line-height: 1.2;
    text-decoration: none;
    box-shadow: none !important;
    transition: transform .3s ease, background-color .3s ease, border-color .3s ease, color .3s ease;
}

.cb-page #materialsBlock .btn:hover,
.cb-page #materialsBlock .btn:focus,
.cb-page #materialsBlock .btn:active,
.cb-page #materialsBlock a.btn.btn-primary.btn-sm:hover,
.cb-page #materialsBlock a.btn.btn-primary.btn-sm:focus,
.cb-page #materialsBlock a.btn.btn-primary.btn-sm:active {
    background-color: var(--cb-accent-dark) !important;
    border-color: var(--cb-accent-dark) !important;
    color: #fff9f5 !important;
    transform: translateY(-2px);
    box-shadow: 0 14px 26px rgba(150, 105, 74, 0.22) !important;
}

/* --- аудиоплеер ----------------------------------------------------------- */

.cb-page .custom-audio {
    display: block;
    width: 100%;
    margin-bottom: 14px;
    padding: 18px 20px;
    border: 1px solid var(--cb-line);
    border-radius: 22px;
    background: var(--cb-paper);
    color: var(--cb-ink);
    box-shadow: var(--cb-shadow-soft);
}

.cb-page .custom-audio .title {
    margin-bottom: 14px;
    font-family: "Forum", serif;
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--cb-ink);
}

.cb-page .custom-audio .controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
}

.cb-page .custom-audio button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--cb-line);
    border-radius: 50%;
    background: transparent;
    color: var(--cb-accent-dark);
    cursor: pointer;
    padding: 0;
    transition: background-color .3s ease, color .3s ease, border-color .3s ease, transform .3s ease;
}

.cb-page .custom-audio button:hover:not(:disabled) {
    border-color: var(--cb-accent);
    background: rgba(178, 134, 99, 0.12);
    transform: scale(1.06);
}

.cb-page .custom-audio .play-btn {
    width: 52px;
    height: 52px;
    border-color: transparent;
    background: var(--cb-accent);
    color: #fff9f5;
    font-size: 1.05rem;
    box-shadow: 0 12px 24px rgba(150, 105, 74, 0.24);
}

.cb-page .custom-audio .play-btn:hover:not(:disabled) {
    background: var(--cb-accent-dark);
    color: #fff9f5;
}

.cb-page .custom-audio .play-btn:disabled {
    opacity: 0.6;
    cursor: default;
}

.cb-page .custom-audio .rewind,
.cb-page .custom-audio .forward {
    width: 42px;
    height: 42px;
    font-size: 1.05rem;
}

.cb-page .custom-audio .time {
    min-width: 108px;
    font-family: "Spectral", serif;
    font-size: 0.92rem;
    color: var(--cb-ink-mute);
    text-align: center;
    font-variant-numeric: tabular-nums;
}

.cb-page .custom-audio .seek,
.cb-page .custom-audio .volume {
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    border-radius: 999px;
    background: rgba(178, 134, 99, 0.22);
    accent-color: var(--cb-accent);
    cursor: pointer;
}

.cb-page .custom-audio .seek {
    flex: 1 1 160px;
    min-width: 140px;
}

.cb-page .custom-audio .volume {
    flex: 0 0 96px;
    width: 96px;
}

.cb-page .custom-audio .seek::-webkit-slider-runnable-track,
.cb-page .custom-audio .volume::-webkit-slider-runnable-track {
    height: 6px;
    border-radius: 999px;
    background: rgba(178, 134, 99, 0.22);
}

.cb-page .custom-audio .seek::-webkit-slider-thumb,
.cb-page .custom-audio .volume::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    margin-top: -5px;
    border: 0;
    border-radius: 50%;
    background: var(--cb-accent);
    box-shadow: 0 2px 6px rgba(122, 78, 45, 0.3);
}

.cb-page .custom-audio .seek::-moz-range-track,
.cb-page .custom-audio .volume::-moz-range-track {
    height: 6px;
    border-radius: 999px;
    background: rgba(178, 134, 99, 0.22);
}

.cb-page .custom-audio .seek::-moz-range-thumb,
.cb-page .custom-audio .volume::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border: 0;
    border-radius: 50%;
    background: var(--cb-accent);
}

.cb-page .custom-audio .player-status {
    margin-top: 10px;
    font-family: "Spectral", serif;
    font-size: 0.92rem;
    color: var(--cb-danger) !important;
}

/* ==========================================================================
   АДАПТИВ
   ========================================================================== */

@media (max-width: 991.98px) {
    .cb-layout {
        grid-template-columns: minmax(0, 1fr);
    }

    .cb-side {
        position: static;
        max-height: none;
    }
}

@media (max-width: 767.98px) {
    .cb-stars {
        display: none;
    }

    .cb-topbar {
        align-items: flex-start;
    }

    .cb-page .cb-btn {
        min-height: 56px;
        padding: 14px 22px;
        font-size: 1.02rem;
    }

    .cb-page .custom-audio .time {
        min-width: 92px;
        font-size: 0.86rem;
    }

    .cb-page .custom-audio .volume {
        flex: 1 1 100%;
        width: 100%;
    }
}