/* ===============================================================
   VIDEO POSTER LOOP — poster image, "loading content" card, buttons
   =============================================================== */

/* --- Container --- */
.rio-poster-wrap {
    max-width: 100%;
    margin: 10px auto 18px;
    text-align: center;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* Middle-of-article slot: give it breathing room between paragraphs. It stays
   empty (no visible height) until the reader clicks the top image, at which
   point the loading card / button render inside it. */
.rio-poster-mid {
    clear: both;
    margin: 22px auto;
}
.rio-poster-mid .rio-poster-wrap {
    margin: 0 auto;
}
/* Scroll anchor offset so a sticky header doesn't cover the card when we scroll. */
#rio-poster-mid {
    scroll-margin-top: 80px;
    scroll-margin-bottom: 80px;
}

/* --- Poster image (no play overlay — plain clickable image) --- */
.rio-poster-img-wrap {
    position: relative;
    display: inline-block;
    width: 100%;
    line-height: 0;
}
.rio-poster-img {
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
    cursor: pointer;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,.15);
    transition: transform .2s ease, box-shadow .2s ease;
}
.rio-poster-img:hover {
    transform: scale(1.01);
    box-shadow: 0 4px 20px rgba(0,0,0,.25);
}

/* ===============================================================
   LOADING CONTENT CARD — reveals on image click, counts down, then
   hands off to the button. Hidden until .rio-active is added.
   =============================================================== */
.rio-poster-progress-area {
    display: none;
    margin: 0 auto;
}
.rio-poster-progress-area.rio-active {
    display: block;
    animation: rioFadeIn .35s ease;
}
@keyframes rioFadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

.rio-load-card {
    /* theme tokens (overridden per rio-lt* below) */
    --lc-ink:    #111111;
    --lc-accent: #ff3b6b;
    --lc-bg:     #ffffff;
    --lc-sub:    #666666;
    --lc-note:   #777777;
    --lc-empty:  #ffffff;
    --lc-shadow: #111111;

    max-width: 340px;
    margin: 0 auto;
    padding: 26px 20px 20px;
    position: relative;
    background: var(--lc-bg);
    border: 3px solid var(--lc-ink);
    box-shadow: 7px 7px 0 var(--lc-shadow);
    border-radius: 4px;
    text-align: center;
    box-sizing: border-box;
}

.rio-load-badge {
    position: absolute;
    top: -14px; left: 16px;
    background: var(--lc-accent);
    color: #fff;
    font-size: 11px; font-weight: 800; letter-spacing: 1px;
    padding: 5px 12px;
    border: 2px solid var(--lc-ink);
    text-transform: uppercase;
    line-height: 1;
}

.rio-load-title {
    font-size: 20px; font-weight: 900; letter-spacing: -.3px;
    color: var(--lc-ink);
    margin: 4px 0 6px;
    text-transform: uppercase;
}

.rio-load-num {
    font-size: 58px; font-weight: 900; line-height: 1;
    color: var(--lc-ink);
    margin: 2px 0;
    font-variant-numeric: tabular-nums;
    display: inline-block;
}
.rio-load-num.rio-pop { animation: rioNumPop .4s ease; }
@keyframes rioNumPop {
    0%   { transform: scale(1.35); opacity: .4; }
    100% { transform: scale(1); opacity: 1; }
}

.rio-load-sub {
    font-size: 11px; font-weight: 700; letter-spacing: 3px;
    color: var(--lc-sub);
    text-transform: uppercase;
    margin-bottom: 14px;
}

.rio-load-segs {
    display: flex;
    gap: 5px;
    justify-content: center;
    margin-bottom: 12px;
}
.rio-lseg {
    flex: 1 1 0;
    height: 18px;
    max-width: 26px;
    border: 2px solid var(--lc-ink);
    background: var(--lc-empty);
    transition: background .2s ease, transform .15s ease;
}
.rio-lseg.rio-lseg-on {
    background: var(--lc-accent);
    transform: translateY(-2px);
}

/* Alternate bar look: one continuous track that fills 0→100% */
.rio-load-track {
    width: 100%;
    height: 16px;
    margin-bottom: 12px;
    background: var(--lc-empty);
    border: 2px solid var(--lc-ink);
    border-radius: 3px;
    overflow: hidden;
    position: relative;
}
.rio-load-fill {
    height: 100%;
    width: 0%;
    background: var(--lc-accent);
    transition: width .15s linear;
}
/* Striped variant: animated barber-pole fill */
.rio-load-track.rio-striped .rio-load-fill {
    background-image: repeating-linear-gradient(
        -45deg,
        var(--lc-accent), var(--lc-accent) 8px,
        rgba(255,255,255,.35) 8px, rgba(255,255,255,.35) 16px
    );
    background-size: 22.63px 100%;
    animation: rioLStripe .6s linear infinite;
}
@keyframes rioLStripe { from { background-position: 0 0; } to { background-position: 22.63px 0; } }

.rio-load-note {
    font-size: 12px;
    color: var(--lc-note);
    margin: 2px 0 0;
}

/* ---- Card themes (picked at random each loop, no immediate repeat) ---- */
/* T1: Classic black-on-white with pink accent (reference) */
.rio-load-card.rio-lt1 {
    --lc-ink:#111111; --lc-accent:#ff3b6b; --lc-bg:#ffffff;
    --lc-sub:#666; --lc-note:#777; --lc-empty:#fff; --lc-shadow:#111111;
}
/* T2: Dark neon cyan */
.rio-load-card.rio-lt2 {
    --lc-ink:#e6edf3; --lc-accent:#00e5ff; --lc-bg:#0d1117;
    --lc-sub:#8b98a5; --lc-note:#8b98a5; --lc-empty:#1b2530; --lc-shadow:#00000066;
}
/* T3: Blue */
.rio-load-card.rio-lt3 {
    --lc-ink:#0b3d91; --lc-accent:#2979ff; --lc-bg:#f4f8ff;
    --lc-sub:#5a7bb5; --lc-note:#6b7fa5; --lc-empty:#fff; --lc-shadow:#0b3d91;
}
/* T4: Green */
.rio-load-card.rio-lt4 {
    --lc-ink:#14532d; --lc-accent:#22c55e; --lc-bg:#f3fdf6;
    --lc-sub:#4d7c5a; --lc-note:#5a8a68; --lc-empty:#fff; --lc-shadow:#14532d;
}
/* T5: Purple */
.rio-load-card.rio-lt5 {
    --lc-ink:#4a148c; --lc-accent:#ab47bc; --lc-bg:#faf5ff;
    --lc-sub:#7e57c2; --lc-note:#8e6bbf; --lc-empty:#fff; --lc-shadow:#4a148c;
}
/* T6: Dark + orange */
.rio-load-card.rio-lt6 {
    --lc-ink:#ffffff; --lc-accent:#ff9800; --lc-bg:#1a1a1a;
    --lc-sub:#b0b0b0; --lc-note:#b0b0b0; --lc-empty:#2a2a2a; --lc-shadow:#00000066;
}
/* T7: Crimson red */
.rio-load-card.rio-lt7 {
    --lc-ink:#7f1d1d; --lc-accent:#ef4444; --lc-bg:#fff5f5;
    --lc-sub:#a15c5c; --lc-note:#a86b6b; --lc-empty:#fff; --lc-shadow:#7f1d1d;
}
/* T8: Dark teal */
.rio-load-card.rio-lt8 {
    --lc-ink:#e0fbfc; --lc-accent:#2dd4bf; --lc-bg:#0f2b2e;
    --lc-sub:#7fb3b3; --lc-note:#7fb3b3; --lc-empty:#173a3d; --lc-shadow:#00000066;
}
/* T9: Indigo */
.rio-load-card.rio-lt9 {
    --lc-ink:#312e81; --lc-accent:#6366f1; --lc-bg:#f5f5ff;
    --lc-sub:#6b6bb0; --lc-note:#7a7ab5; --lc-empty:#fff; --lc-shadow:#312e81;
}
/* T10: Hot pink on near-black */
.rio-load-card.rio-lt10 {
    --lc-ink:#ffffff; --lc-accent:#ff2e88; --lc-bg:#141018;
    --lc-sub:#b09aa8; --lc-note:#b09aa8; --lc-empty:#241b2b; --lc-shadow:#00000066;
}

@media (max-width: 400px) {
    .rio-load-num { font-size: 50px; }
    .rio-load-title { font-size: 18px; }
    .rio-lseg { height: 16px; }
}

/* ===============================================================
   BUTTON STYLES (8 variants — picked at random each loop)
   =============================================================== */
.rio-poster-btn {
    display: none;
    margin: 16px auto 0;
    padding: 13px 30px;
    font-size: 16px;
    font-weight: 700;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: .5px;
    transition: all .25s ease;
    position: relative;
    overflow: hidden;
    outline: none;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
.rio-poster-btn.rio-show {
    display: inline-block;
    animation: rioBtnPop .5s cubic-bezier(.175,.885,.32,1.275);
}
@keyframes rioBtnPop {
    0%   { transform: scale(0); opacity: 0; }
    60%  { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; }
}

/* B1: Red pulse */
.rio-poster-btn.rio-bs1 {
    background: linear-gradient(135deg, #e53935, #d32f2f);
    color: #fff;
    box-shadow: 0 4px 15px rgba(229,57,53,.4);
}
.rio-poster-btn.rio-bs1:hover {
    box-shadow: 0 6px 25px rgba(229,57,53,.6);
    transform: translateY(-2px);
}

/* B2: Blue shine */
.rio-poster-btn.rio-bs2 {
    background: linear-gradient(135deg, #1565c0, #1e88e5);
    color: #fff;
    box-shadow: 0 4px 15px rgba(21,101,192,.4);
}
.rio-poster-btn.rio-bs2::before {
    content: '';
    position: absolute;
    top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,.3), transparent);
    animation: rioBtnShine 2s ease infinite;
}
@keyframes rioBtnShine {
    0%   { left: -100%; }
    100% { left: 200%; }
}

/* B3: Green bounce */
.rio-poster-btn.rio-bs3 {
    background: linear-gradient(135deg, #2e7d32, #43a047);
    color: #fff;
    box-shadow: 0 4px 15px rgba(46,125,50,.4);
    animation: rioBtnPop .5s cubic-bezier(.175,.885,.32,1.275), rioBounce 1.5s ease infinite 1s;
}
@keyframes rioBounce {
    0%, 100% { transform: translateY(0); }
    30%      { transform: translateY(-6px); }
    50%      { transform: translateY(-2px); }
}

/* B4: Orange glow */
.rio-poster-btn.rio-bs4 {
    background: linear-gradient(135deg, #e65100, #ff6d00);
    color: #fff;
    box-shadow: 0 0 20px rgba(255,109,0,.5);
    animation: rioBtnPop .5s cubic-bezier(.175,.885,.32,1.275), rioGlow 1.5s ease-in-out infinite 1s;
}
@keyframes rioGlow {
    0%, 100% { box-shadow: 0 0 20px rgba(255,109,0,.3); }
    50%      { box-shadow: 0 0 35px rgba(255,109,0,.7); }
}

/* B5: Purple gradient */
.rio-poster-btn.rio-bs5 {
    background: linear-gradient(135deg, #6a1b9a, #ab47bc);
    color: #fff;
    box-shadow: 0 4px 15px rgba(106,27,154,.4);
}
.rio-poster-btn.rio-bs5:hover {
    background: linear-gradient(135deg, #ab47bc, #6a1b9a);
    transform: scale(1.05);
}

/* B6: Dark outline */
.rio-poster-btn.rio-bs6 {
    background: #212121;
    color: #fff;
    border: 2px solid #ff5252;
    box-shadow: 0 4px 15px rgba(33,33,33,.3);
}
.rio-poster-btn.rio-bs6:hover {
    background: #ff5252;
    transform: translateY(-2px);
}

/* B7: Teal pill */
.rio-poster-btn.rio-bs7 {
    background: linear-gradient(135deg, #00695c, #009688);
    color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,150,136,.4);
    letter-spacing: 1px;
}
.rio-poster-btn.rio-bs7:hover {
    box-shadow: 0 6px 25px rgba(0,150,136,.6);
    transform: scale(1.04);
}

/* B8: Pink/magenta wiggle */
.rio-poster-btn.rio-bs8 {
    background: linear-gradient(135deg, #c2185b, #e91e63);
    color: #fff;
    box-shadow: 0 4px 15px rgba(233,30,99,.4);
    animation: rioBtnPop .5s cubic-bezier(.175,.885,.32,1.275), rioWiggle 1s ease infinite 1.5s;
}
@keyframes rioWiggle {
    0%, 100% { transform: rotate(0deg); }
    25%      { transform: rotate(-2deg); }
    75%      { transform: rotate(2deg); }
}

/* B9: Neo-brutalist black block with hard shadow */
.rio-poster-btn.rio-bs9 {
    background: #ffde59;
    color: #111;
    border: 3px solid #111;
    border-radius: 6px;
    box-shadow: 5px 5px 0 #111;
    font-weight: 900;
}
.rio-poster-btn.rio-bs9:hover {
    transform: translate(2px,2px);
    box-shadow: 2px 2px 0 #111;
}

/* B10: Neon outline (transparent fill, glowing border) */
.rio-poster-btn.rio-bs10 {
    background: rgba(0,0,0,.85);
    color: #00e5ff;
    border: 2px solid #00e5ff;
    box-shadow: 0 0 12px rgba(0,229,255,.6), inset 0 0 8px rgba(0,229,255,.25);
    animation: rioBtnPop .5s cubic-bezier(.175,.885,.32,1.275), rioNeon 1.4s ease-in-out infinite 1s;
}
@keyframes rioNeon {
    0%,100% { box-shadow: 0 0 10px rgba(0,229,255,.4), inset 0 0 6px rgba(0,229,255,.2); }
    50%     { box-shadow: 0 0 22px rgba(0,229,255,.9), inset 0 0 12px rgba(0,229,255,.4); }
}

/* B11: Rainbow gradient sweep */
.rio-poster-btn.rio-bs11 {
    color: #fff;
    background: linear-gradient(90deg, #f44336, #ff9800, #ffeb3b, #4caf50, #2196f3, #9c27b0, #f44336);
    background-size: 300% 100%;
    box-shadow: 0 4px 15px rgba(0,0,0,.25);
    animation: rioBtnPop .5s cubic-bezier(.175,.885,.32,1.275), rioRainbowBtn 3s linear infinite;
    text-shadow: 0 1px 2px rgba(0,0,0,.35);
}
@keyframes rioRainbowBtn {
    0%   { background-position: 0% 50%; }
    100% { background-position: 300% 50%; }
}

/* B12: Glassy dark with top sheen */
.rio-poster-btn.rio-bs12 {
    background: linear-gradient(180deg, #3a3f4b, #23262e);
    color: #fff;
    border: 1px solid rgba(255,255,255,.15);
    border-radius: 12px;
    box-shadow: 0 6px 18px rgba(0,0,0,.4), inset 0 1px 0 rgba(255,255,255,.25);
}
.rio-poster-btn.rio-bs12:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.3);
}