/* =========================================================
   Tréninky – Arena Night (stejný svět jako Domů / O nás)
   ========================================================= */

html:has(.treninky-page.pv2) {
    margin: 0;
    padding: 0;
    background: var(--draci-dark);
    overflow-x: hidden;
    max-width: 100%;
}
html:has(.treninky-page.pv2) #header-placeholder {
    min-height: 0;
    background: transparent;
}
html:has(.treninky-page.pv2) #draci-nav-progress {
    background: var(--draci-pink);
}

.treninky-page.pv2 {
    --pv2-surface: #111113;
    --pv2-panel: #18181b;
    --pv2-line: rgba(255, 255, 255, 0.08);
    --pv2-fg: #f4f4f5;
    --pv2-fg-muted: rgba(255, 255, 255, 0.55);
    --pv2-title: #fff;
    --pv2-glow-pink: rgba(var(--draci-pink-rgb), 0.18);
    --pv2-glow-teal: rgba(var(--draci-teal-rgb), 0.16);
    color-scheme: dark;
    position: relative;
    margin: 0;
    padding: 0;
    background-color: var(--draci-dark);
    color: var(--pv2-fg);
    font-family: Inter, system-ui, sans-serif;
    overflow: visible;
    max-width: 100%;
    isolation: isolate;
}

.treninky-page.pv2 > :not(.pv2-smudges, .pv2-nav) {
    position: relative;
    z-index: 1;
}

.treninky-page.pv2 ::selection {
    background: rgba(var(--draci-pink-rgb), 0.35);
    color: #fff;
}
.treninky-page.pv2 :focus-visible {
    outline: 2px solid var(--draci-teal);
    outline-offset: 3px;
}

/* Intro */
.treninky-intro {
    position: relative;
    padding: 10.5rem 0 2.5rem;
    overflow: hidden;
    background-color: transparent;
    background-image:
        radial-gradient(ellipse 55% 45% at 12% 0%, var(--pv2-glow-pink), transparent 70%),
        radial-gradient(ellipse 45% 40% at 92% 20%, var(--pv2-glow-teal), transparent 70%);
}
.treninky-intro__inner {
    width: min(72rem, calc(100% - 2.5rem));
    margin: 0 auto;
    max-width: 42rem;
    text-align: center;
}
.treninky-intro__title {
    font-family: Oswald, sans-serif;
    font-weight: 700;
    font-size: clamp(2.6rem, 7vw, 4.5rem);
    line-height: 1.08;
    letter-spacing: -0.01em;
    text-transform: uppercase;
    color: #fff;
    margin: 0;
}
.treninky-intro__title span { color: var(--draci-pink); }
.treninky-intro__lead {
    margin: 1rem auto 0;
    max-width: 34rem;
    font-size: clamp(1rem, 2vw, 1.12rem);
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.72);
}

html.draci-first-load.draci-ui-ready .treninky-intro__inner {
    animation: treninky-in 0.7s var(--draci-ease) both;
}
@keyframes treninky-in {
    from { opacity: 0; transform: translateY(14px); }
    to { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
    html.draci-first-load.draci-ui-ready .treninky-intro__inner { animation: none; }
}

/* Filtry – lehký press + staggered chip entry */
html.club-reveal-ready .treninky-page .treninky-filters.is-in .filter-btn {
    animation: treninky-chip-in 0.42s var(--draci-ease) both;
}
html.club-reveal-ready .treninky-page .treninky-filters.is-in .filter-btn:nth-child(1) { animation-delay: 40ms; }
html.club-reveal-ready .treninky-page .treninky-filters.is-in .filter-btn:nth-child(2) { animation-delay: 70ms; }
html.club-reveal-ready .treninky-page .treninky-filters.is-in .filter-btn:nth-child(3) { animation-delay: 100ms; }
html.club-reveal-ready .treninky-page .treninky-filters.is-in .filter-btn:nth-child(4) { animation-delay: 130ms; }
html.club-reveal-ready .treninky-page .treninky-filters.is-in .filter-btn:nth-child(5) { animation-delay: 160ms; }
html.club-reveal-ready .treninky-page .treninky-filters.is-in .filter-btn:nth-child(6) { animation-delay: 190ms; }
html.club-reveal-ready .treninky-page .treninky-filters.is-in .filter-btn:nth-child(7) { animation-delay: 220ms; }
html.club-reveal-ready .treninky-page .treninky-filters.is-in .filter-btn:nth-child(8) { animation-delay: 250ms; }
html.club-reveal-ready .treninky-page .treninky-filters.is-in .filter-btn:nth-child(9) { animation-delay: 280ms; }
html.club-reveal-ready .treninky-page .treninky-filters.is-in .filter-btn:nth-child(n+10) { animation-delay: 300ms; }
@keyframes treninky-chip-in {
    from { opacity: 0; transform: translateY(10px) scale(0.96); }
    to { opacity: 1; transform: none; }
}

.treninky-main {
    flex: 0 1 auto;
    padding-bottom: 4.5rem;
}
.treninky-wrap {
    width: min(80rem, calc(100% - 2.5rem));
    margin: 0 auto;
}

/* Filtry */
.treninky-filters {
    margin: 0 auto 2.25rem;
    max-width: 52rem;
    text-align: center;
}
.treninky-filters__label {
    margin: 0 0 0.85rem;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--pv2-fg-muted);
}
.treninky-filters__row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.55rem;
}

.treninky-page .filter-btn {
    appearance: none;
    border: 1px solid var(--pv2-line);
    background: var(--pv2-panel);
    color: rgba(255, 255, 255, 0.78);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.55rem 0.95rem;
    border-radius: 0.65rem;
    cursor: pointer;
    transition:
        background var(--draci-dur-fast) var(--draci-ease),
        border-color var(--draci-dur-fast) var(--draci-ease),
        color var(--draci-dur-fast) var(--draci-ease),
        transform var(--draci-dur-fast) var(--draci-ease);
}
.treninky-page .filter-btn:hover {
    border-color: rgba(var(--draci-teal-rgb), 0.45);
    color: #fff;
}
.treninky-page .filter-btn:active {
    transform: scale(0.96);
}
.treninky-page .filter-btn.active {
    background: var(--draci-pink);
    border-color: var(--draci-pink);
    color: #fff;
}

/* Rozvrh – dny */
.treninky-page #rozvrh-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.1rem;
}
@media (min-width: 640px) {
    .treninky-page #rozvrh-container {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}
@media (min-width: 1100px) {
    .treninky-page #rozvrh-container {
        grid-template-columns: repeat(5, minmax(0, 1fr));
        gap: 0.95rem;
    }
}

.treninky-page .column-day {
    display: flex;
    flex-direction: column;
    min-height: 100%;
    background: var(--pv2-panel);
    border: 1px solid var(--pv2-line);
    border-radius: 1.05rem;
    overflow: hidden;
}

.treninky-page .rozvrh-day-head {
    padding: 0.85rem 1rem;
    text-align: center;
    background: #0f0f12;
    border-bottom: 1px solid var(--pv2-line);
}
.treninky-page .rozvrh-day-head h2 {
    margin: 0;
    font-family: Oswald, sans-serif;
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--draci-teal);
}

.treninky-page .day-content {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 0.85rem;
    flex: 1 1 auto;
}

.treninky-page .trenink-card {
    background: #121215;
    border: 1px solid var(--pv2-line);
    border-radius: 0.85rem;
    padding: 1rem 1.05rem 1.05rem;
    transition:
        border-color var(--draci-dur-fast) var(--draci-ease),
        transform var(--draci-dur) var(--draci-ease);
}
.treninky-page .trenink-card:hover {
    border-color: rgba(var(--draci-pink-rgb), 0.4);
    transform: translateY(-2px);
}

/* Karty naskakují po dni (scroll reveal na sloupci) */
html.club-reveal-ready .treninky-page .column-day.is-in .trenink-card {
    animation: treninky-card-in 0.45s var(--draci-ease) both;
}
html.club-reveal-ready .treninky-page .column-day.is-in .trenink-card:nth-child(1) { animation-delay: 40ms; }
html.club-reveal-ready .treninky-page .column-day.is-in .trenink-card:nth-child(2) { animation-delay: 90ms; }
html.club-reveal-ready .treninky-page .column-day.is-in .trenink-card:nth-child(3) { animation-delay: 140ms; }
html.club-reveal-ready .treninky-page .column-day.is-in .trenink-card:nth-child(4) { animation-delay: 190ms; }
html.club-reveal-ready .treninky-page .column-day.is-in .trenink-card:nth-child(5) { animation-delay: 240ms; }
html.club-reveal-ready .treninky-page .column-day.is-in .trenink-card:nth-child(6) { animation-delay: 290ms; }
html.club-reveal-ready .treninky-page .column-day.is-in .trenink-card:nth-child(n+7) { animation-delay: 320ms; }
html.club-reveal-ready .treninky-page .column-day.is-in .empty-state.is-visible {
    animation: treninky-card-in 0.4s var(--draci-ease) 80ms both;
}
@keyframes treninky-card-in {
    from { opacity: 0; transform: translateY(12px) scale(0.97); }
    to { opacity: 1; transform: none; }
}

/* Po filtru – krátký pop viditelných karet */
.treninky-page .trenink-card.is-pop {
    animation: treninky-card-pop 0.28s var(--draci-ease) both;
}
@keyframes treninky-card-pop {
    from { opacity: 0; transform: translateY(8px) scale(0.98); }
    to { opacity: 1; transform: none; }
}
.treninky-page .trenink-card__time {
    margin: 0;
    font-family: Oswald, sans-serif;
    font-weight: 700;
    font-size: clamp(1.35rem, 2.2vw, 1.65rem);
    line-height: 1.05;
    text-transform: uppercase;
    color: #fff;
}
.treninky-page .trenink-card__cat {
    margin: 0.35rem 0 0;
    font-size: 0.86rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.88);
    line-height: 1.25;
}
.treninky-page .trenink-card__repeat {
    display: inline-block;
    margin-top: 0.45rem;
    font-size: 0.58rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #fff;
    background: rgba(var(--draci-pink-rgb), 0.22);
    border: 1px solid rgba(var(--draci-pink-rgb), 0.35);
    border-radius: 0.35rem;
    padding: 0.2rem 0.45rem;
}
.treninky-page .trenink-card__meta {
    margin-top: 0.75rem;
    padding-top: 0.7rem;
    border-top: 1px solid var(--pv2-line);
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--pv2-fg-muted);
}
.treninky-page .trenink-card__meta p {
    margin: 0;
    display: flex;
    align-items: flex-start;
    gap: 0.45rem;
}
.treninky-page .trenink-card__meta i {
    width: 0.85rem;
    text-align: center;
    margin-top: 0.15rem;
    color: var(--draci-pink);
}
.treninky-page .trenink-card__meta i.fa-user {
    color: var(--draci-teal);
}

.treninky-page .empty-state {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 8.5rem;
    color: var(--pv2-fg-muted);
    opacity: 0.75;
}
.treninky-page .empty-state.is-visible {
    display: flex;
}
.treninky-page .empty-state i {
    font-size: 1.65rem;
    margin-bottom: 0.65rem;
    color: rgba(255, 255, 255, 0.28);
}
.treninky-page .empty-state p {
    margin: 0;
    font-size: 0.62rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    line-height: 1.45;
}

.treninky-error {
    text-align: center;
    padding: 2.5rem 1.5rem;
    border-radius: 1rem;
    border: 1px solid rgba(var(--draci-pink-rgb), 0.35);
    background: var(--pv2-panel);
    color: #fff;
}
.treninky-error i {
    display: block;
    font-size: 1.75rem;
    margin-bottom: 0.85rem;
    color: var(--draci-pink);
}
.treninky-error strong {
    display: block;
    font-family: Oswald, sans-serif;
    font-size: 1.1rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 0.4rem;
}

@media (prefers-reduced-motion: reduce) {
    .treninky-page .trenink-card,
    .treninky-page .filter-btn { transition: none; }
    .treninky-page .trenink-card:hover,
    .treninky-page .filter-btn:active { transform: none; }
    html.club-reveal-ready .treninky-page .treninky-filters.is-in .filter-btn,
    html.club-reveal-ready .treninky-page .column-day.is-in .trenink-card,
    html.club-reveal-ready .treninky-page .column-day.is-in .empty-state.is-visible,
    .treninky-page .trenink-card.is-pop {
        animation: none;
    }
}