.btf-workout-library {
    --btf-gold: rgb(219, 176, 107);
    --btf-black: #000;
    --btf-grey: #dcdcdc;
    --btf-panel: #0b0b0b;
    --btf-panel-alt: #121212;
    --btf-line: rgba(220, 220, 220, 0.18);
    background: var(--btf-black);
    color: #fff;
    padding: clamp(22px, 4vw, 42px);
    font-family: inherit;
}

.btf-workout-library *,
.btf-workout-library *::before,
.btf-workout-library *::after { box-sizing: border-box; }

.btf-workout-filters {
    padding: 18px;
    border: 1px solid var(--btf-line);
    border-radius: 14px;
    background: var(--btf-panel);
}

.btf-workout-search-row {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 10px;
    min-height: 46px;
    padding: 0 14px;
    border: 1px solid var(--btf-line);
    border-radius: 9px;
    background: #060606;
}

.btf-filter-icon { color: var(--btf-gold); font-size: 24px; line-height: 1; }

.btf-workout-search-row input {
    width: 100%;
    min-width: 0;
    border: 0;
    outline: 0;
    box-shadow: none;
    background: transparent;
    color: #fff;
}

.btf-workout-search-row input::placeholder { color: #8d8d8d; }
.btf-clear-filters { color: var(--btf-grey); font-size: 13px; text-decoration: none; }
.btf-clear-filters:hover { color: var(--btf-gold); }

.btf-workout-filter-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr)) auto;
    gap: 14px;
    align-items: end;
    margin-top: 17px;
}

.btf-filter-field > span {
    display: block;
    margin-bottom: 7px;
    color: var(--btf-grey);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .09em;
    text-transform: uppercase;
}

.btf-filter-field select {
    width: 100%;
    min-height: 42px;
    padding: 0 10px;
    border: 1px solid var(--btf-line);
    border-radius: 8px;
    background: var(--btf-panel-alt);
    color: #fff;
}

.btf-apply-filters {
    min-height: 42px;
    padding: 0 18px;
    border: 1px solid var(--btf-gold);
    border-radius: 8px;
    background: var(--btf-gold);
    color: #000;
    font-weight: 800;
}

.btf-workout-tabs {
    display: flex;
    gap: 24px;
    overflow-x: auto;
    margin: 24px 0 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--btf-line);
    scrollbar-width: thin;
}

.btf-workout-tabs a {
    position: relative;
    flex: 0 0 auto;
    color: #aaa;
    font-size: 13px;
    text-decoration: none;
}

.btf-workout-tabs a:hover,
.btf-workout-tabs a.is-active { color: var(--btf-gold); }

.btf-workout-tabs a.is-active::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: -13px;
    left: 0;
    height: 2px;
    background: var(--btf-gold);
}

.btf-workout-results-bar { margin: 0 0 13px; color: var(--btf-grey); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; }
.btf-workout-results-bar p { margin: 0; }

.btf-workout-grid {
    display: grid;
    grid-template-columns: repeat(var(--btf-list-columns), minmax(0, 1fr));
    gap: 16px;
}

.btf-workout-card {
    display: flex;
    height: 100%;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--btf-line);
    border-radius: 13px;
    background: var(--btf-panel);
    transition: transform .2s ease, border-color .2s ease;
}

.btf-workout-card:hover { transform: translateY(-3px); border-color: rgba(219, 176, 107, .65); }
.btf-workout-image { position: relative; display: block; aspect-ratio: 1.42 / 1; overflow: hidden; background: #181818; }
.btf-workout-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.btf-workout-card:hover .btf-workout-image img { transform: scale(1.03); }

.btf-image-placeholder { display: block; width: 100%; height: 100%; background: linear-gradient(135deg, #262626, #070707); }

.btf-card-badges {
    position: absolute;
    top: 10px;
    right: 10px;
    left: 10px;
    display: flex;
    align-items: start;
    justify-content: space-between;
    gap: 8px;
    pointer-events: none;
}

.btf-duration-badge,
.btf-level-badge { padding: 5px 7px; border-radius: 5px; font-size: 9px; font-weight: 800; line-height: 1.2; text-transform: uppercase; }
.btf-duration-badge { background: rgba(0, 0, 0, .78); color: #fff; font-size: 9px; white-space: nowrap; }
.btf-level-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 5px;
    margin-left: auto;
    max-width: 72%;
}

.btf-level-badge { color: #fff; }
.btf-level-easy { background: #65a832; }
.btf-level-medium { background: #d78b2b; }
.btf-level-advanced { background: #c93636; }

.btf-workout-card-content {
    display: flex;
    flex: 1;
    flex-direction: column;
    min-height: 128px;
    padding: 14px;
}
.btf-workout-card-content h3 {
    display: -webkit-box;
    min-height: 42px;
    margin: 0 0 10px;
    overflow: hidden;
    color: #fff;
    font-size: 16px;
    line-height: 1.3;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}
.btf-workout-card-content h3 a { color: inherit; text-decoration: none; }

.btf-workout-card-meta { display: flex; flex-wrap: wrap; gap: 10px 14px; margin-top: auto; color: #aaa; font-size: 11px; text-transform: uppercase; }
.btf-workout-card-meta span { display: inline-flex; align-items: center; gap: 5px; }
.btf-workout-card-meta b { color: var(--btf-gold); font-size: 14px; }

.btf-workout-pagination { display: flex; flex-wrap: wrap; justify-content: center; gap: 7px; margin-top: 28px; }
.btf-workout-pagination .page-numbers { min-width: 40px; min-height: 40px; padding: 9px 12px; border: 1px solid var(--btf-line); border-radius: 7px; color: var(--btf-grey); text-align: center; text-decoration: none; }
.btf-workout-pagination .page-numbers:hover,
.btf-workout-pagination .page-numbers.current { border-color: var(--btf-gold); background: var(--btf-gold); color: #000; }

.btf-workout-empty { padding: 54px 20px; border: 1px solid var(--btf-line); border-radius: 13px; color: var(--btf-grey); text-align: center; }
.btf-workout-empty h3 { margin: 0 0 8px; color: #fff; }
.btf-workout-empty p { margin: 0; }

@media (max-width: 1050px) {
    .btf-workout-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .btf-workout-filter-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .btf-apply-filters { width: 100%; }
}

@media (max-width: 720px) {
    .btf-workout-library { padding: 20px 14px; }
    .btf-workout-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .btf-workout-search-row { grid-template-columns: auto minmax(0, 1fr); }
    .btf-clear-filters { grid-column: 1 / -1; padding: 0 0 10px 30px; }
}

@media (max-width: 500px) {
    .btf-workout-grid,
    .btf-workout-filter-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
    .btf-workout-card,
    .btf-workout-image img { transition: none; }
}