/* POL-FRA Kursy online — style lekcji, programu kursu i konta.
   Kolory przejmowane z motywu przez zmienne --pk-*. */

:root {
    --pk-primary: #10224e;
    --pk-accent: #ec6916;
    --pk-text: #2b2f3a;
    --pk-muted: #697186;
    --pk-border: #e2e5ec;
    --pk-surface: #f8f9fc;
    --pk-radius: 10px;
}

.pk-container { max-width: 960px; margin: 0 auto; padding: 32px 16px 64px; }
.pk-muted { color: var(--pk-muted); font-size: .875rem; }

.pk-button {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    min-height: 44px; padding: 10px 22px; border: 0; border-radius: 999px;
    background: var(--pk-accent); color: #fff; font-weight: 700; text-decoration: none;
    white-space: nowrap; cursor: pointer; transition: filter .15s;
}
.pk-button:hover { filter: brightness(.92); color: #fff; }
.pk-button--ghost { background: transparent; color: var(--pk-primary); box-shadow: inset 0 0 0 2px var(--pk-primary); }
.pk-button--ghost:hover { color: var(--pk-primary); }
.pk-link-button { border: 0; background: none; padding: 0; color: var(--pk-accent); font: inherit; text-decoration: underline; cursor: pointer; }
.pk-link-button:disabled { color: var(--pk-muted); cursor: default; }

/* Pasek postępu */
.pk-progress { height: 6px; border-radius: 3px; background: var(--pk-border); overflow: hidden; margin: 6px 0 4px; }
.pk-progress span { display: block; height: 100%; background: var(--pk-accent); }

/* Lekcja */
.pk-lesson__header { margin-bottom: 20px; }
.pk-lesson__back { display: inline-block; margin-bottom: 8px; color: var(--pk-muted); text-decoration: none; font-size: .9rem; }
.pk-lesson__back:hover { color: var(--pk-primary); }
.pk-lesson__title { margin: 0; color: var(--pk-primary); font-size: clamp(1.5rem, 3vw, 2.125rem); line-height: 1.2; }
.pk-lesson__counter { margin: 6px 0 0; color: var(--pk-muted); }
.pk-lesson__done { color: #1a7f37; }

.pk-player { position: relative; overflow: hidden; border-radius: var(--pk-radius); background: #0b1224; aspect-ratio: 16 / 9; }
.pk-player__slot, .pk-player__video, .pk-player__frame { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.pk-player__video { background: #000; }
.pk-player__message {
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px;
    height: 100%; margin: 0; padding: 24px; color: #fff; text-align: center;
}
.pk-player__message p { margin: 0; max-width: 520px; }

/* Znak wodny wędruje po kadrze — trudniej go wyciąć z nagrania ekranu. */
.pk-player__watermark {
    position: absolute; top: 12%; left: 8%; z-index: 2; pointer-events: none;
    color: rgba(255, 255, 255, .22); font-size: 13px; letter-spacing: .04em; user-select: none;
    animation: pk-watermark 90s steps(1) infinite;
}
@keyframes pk-watermark {
    0% { top: 12%; left: 8%; }
    25% { top: 70%; left: 55%; }
    50% { top: 40%; left: 20%; }
    75% { top: 18%; left: 62%; }
}

.pk-locked { padding: 40px 24px; border-radius: var(--pk-radius); background: var(--pk-surface); text-align: center; }
.pk-locked__title { margin: 0 0 8px; color: var(--pk-primary); font-size: 1.125rem; font-weight: 700; }

.pk-section { margin-top: 32px; }
.pk-section__title { margin: 0 0 14px; color: var(--pk-primary); font-size: 1.25rem; }

.pk-chapters { display: grid; gap: 2px; margin: 0; padding: 0; list-style: none; }
.pk-chapters__button {
    display: flex; gap: 14px; width: 100%; padding: 10px 12px; border: 0; border-radius: 6px;
    background: none; color: var(--pk-text); font: inherit; text-align: left; cursor: pointer;
}
.pk-chapters__button:hover { background: var(--pk-surface); }
.pk-chapters__time { min-width: 52px; color: var(--pk-accent); font-variant-numeric: tabular-nums; font-weight: 700; }

.pk-materials { margin: 0; padding: 0; list-style: none; }
.pk-materials li { display: flex; flex-wrap: wrap; gap: 4px 10px; padding: 10px 0; border-bottom: 1px solid var(--pk-border); }
.pk-materials a { color: var(--pk-primary); font-weight: 600; }

.pk-lesson__nav { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--pk-border); }
.pk-lesson__nav a { color: var(--pk-primary); font-weight: 600; text-decoration: none; }
.pk-lesson__next { margin-left: auto; }

/* Program kursu */
.pk-program { margin: 32px 0; clear: both; }
.pk-status {
    display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px;
    margin-bottom: 28px; padding: 18px 20px; border-radius: var(--pk-radius); background: var(--pk-surface);
}
.pk-status > div { flex: 1 1 220px; }
.pk-status p { margin: 0; }

.pk-lessons { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--pk-border); }
.pk-lessons__item { display: flex; align-items: center; gap: 14px; padding: 14px 4px; border-bottom: 1px solid var(--pk-border); }
.pk-lessons__number {
    flex: 0 0 32px; height: 32px; border-radius: 50%; display: grid; place-items: center;
    background: var(--pk-surface); color: var(--pk-primary); font-weight: 700; font-size: .875rem;
}
.pk-lessons__item.is-done .pk-lessons__number { background: #1a7f37; color: #fff; }
.pk-lessons__body { display: flex; flex: 1; flex-direction: column; min-width: 0; }
.pk-lessons__title { color: var(--pk-primary); font-weight: 600; text-decoration: none; }
a.pk-lessons__title:hover { text-decoration: underline; }
.pk-lessons__item.is-locked .pk-lessons__title { color: var(--pk-text); }
.pk-lessons__lock { flex: none; color: var(--pk-muted); }
.pk-lessons__preview { flex: none; color: var(--pk-accent); font-weight: 700; font-size: .875rem; }

/* Moje konto */
.pk-my-courses { display: grid; gap: 14px; margin: 0 0 32px; padding: 0; list-style: none; }
.pk-my-courses__item {
    display: flex; flex-wrap: wrap; align-items: center; gap: 16px;
    padding: 16px; border: 1px solid var(--pk-border); border-radius: var(--pk-radius);
}
.pk-my-courses__item.is-expired { opacity: .75; }
.pk-my-courses__thumb { width: 120px; height: 80px; border-radius: 6px; object-fit: cover; }
.pk-my-courses__body { flex: 1 1 220px; min-width: 0; }
.pk-my-courses__body p { margin: 0; }
.pk-my-courses__title { margin: 0 0 4px; font-size: 1.0625rem; }
.pk-my-courses__title a { color: var(--pk-primary); text-decoration: none; }

.pk-devices h3 { margin: 0 0 6px; }
.pk-devices__list { margin: 12px 0; padding: 0; list-style: none; }
.pk-devices__list li { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 14px; padding: 10px 0; border-bottom: 1px solid var(--pk-border); }
.pk-devices__list li > span:first-child { font-weight: 600; }
.pk-devices__list .pk-link-button { margin-left: auto; }
.pk-notice { padding: 10px 14px; border-radius: 6px; background: var(--pk-surface); }

@media (max-width: 600px) {
    .pk-my-courses__thumb { display: none; }
    .pk-my-courses__action, .pk-my-courses__action .pk-button { width: 100%; }
    .pk-player { margin: 0 -16px; border-radius: 0; }
}