Evo kompletan očišćen CSS — uklonio sam sav stari slider/kartice CSS. Ostao je samo Naslovi.net iframe widget, TV player, vrijeme, originalne login akcije i footer fix.

```css
/* Default login CSS */

#login_logo {
    height: 70px;
}

#intro_top {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    background: #1a1a1a url("images/tv-poster.jpg") center center / cover no-repeat fixed;
}

#login_wrap {
    width: 100%;
    height: 100%;
}

#login_all {
    display: block;
    width: 800px;
    max-width: 94%;
    margin: 0 auto;
    border-radius: 20px;
    color: #fff;
}

.login_not_member {
    padding-top: 5px;
    text-align: center;
}

#intro_lang {
    position: absolute;
    top: 10px;
    right: 20px;
    width: 40px;
    height: 40px;
}

/* Section */
.section {
    width: 100%;
    height: auto;
    margin: 0 auto;
}

.section_content {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
}

.section_inside {
    margin: 0 auto;
}

@media screen and (max-width: 1120px) {
    .section_inside {
        width: 96%;
    }
}

/* Balkan TV login */
#login_wrap.custom_login_page {
    width: 100%;
    min-height: 100vh;
    height: auto !important;
    padding: 25px 15px 50px;
    overflow: hidden;
    background:
        radial-gradient(circle at 12% 16%, rgba(255, 255, 255, 0.08), transparent 26%),
        radial-gradient(circle at 88% 78%, rgba(180, 180, 180, 0.09), transparent 30%),
        linear-gradient(rgba(0, 0, 0, 0.95), rgba(0, 0, 0, 0.95)),
        url("images/tv-poster.jpg") center center / cover no-repeat fixed,
        linear-gradient(135deg, #050505 0%, #141414 50%, #080808 100%);
}

#login_wrap.custom_login_page::before {
    position: fixed;
    z-index: 0;
    inset: 0;
    content: "";
    pointer-events: none;
    opacity: 0.26;
    background:
        linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
    background-size: 35px 35px;
}

/* Isključi BoomChat table layout da footer ostane ispod news iframea */
#login_wrap.custom_login_page #intro_top,
#login_wrap.custom_login_page #intro_top.btable {
    display: block !important;
    position: relative;
    z-index: 1;
    width: 100%;
    min-height: 0 !important;
    height: auto !important;
    padding: 0;
    background: transparent;
}

#login_wrap.custom_login_page #intro_top.btable > .bcell_mid {
    display: block !important;
    width: 100%;
    min-height: 0 !important;
    height: auto !important;
    vertical-align: initial !important;
}

#login_wrap.custom_login_page .custom_login_wrap {
    display: grid;
    position: relative;
    z-index: 1;
    width: min(100%, 1120px);
    max-width: 100%;
    margin: 0 auto 50px;
    padding: 0;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 22px;
    border-radius: 0;
}

/* Shared panels */
#login_wrap.custom_login_page .custom_login_left,
#login_wrap.custom_login_page .custom_login_right,
#login_wrap.custom_login_page .custom_news_panel {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.32);
    border-radius: 22px;
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.08), transparent 43%),
        rgba(18, 18, 18, 0.91);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.12),
        0 16px 42px rgba(0, 0, 0, 0.6);
}

/* TV panel */
#login_wrap.custom_login_page .custom_tv_panel {
    min-height: 590px;
    padding: 34px 24px 20px;
}

#login_wrap.custom_login_page .custom_tv_frame_wrap {
    position: relative;
    width: 100%;
    height: 350px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.32);
    border-radius: 15px;
    background: #000;
    box-shadow:
        inset 0 0 30px rgba(255, 255, 255, 0.04),
        0 0 24px rgba(255, 255, 255, 0.05);
}

#login_wrap.custom_login_page .custom_tv_player,
#login_wrap.custom_login_page #balkan_tv_stream {
    display: block;
    width: 100%;
    height: 100%;
    border: 0;
    outline: none;
    background: #000;
    object-fit: cover;
}

#login_wrap.custom_login_page .custom_tv_live_info {
    display: flex;
    min-height: 67px;
    align-items: center;
    justify-content: center;
    flex-wrap: nowrap;
    gap: 13px;
    margin-top: 20px;
    padding: 12px 5px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    color: #f4f4f4;
}

#login_wrap.custom_login_page .custom_tv_live_dot {
    width: 12px;
    height: 12px;
    flex: 0 0 12px;
    border-radius: 50%;
    background: #e31b23;
    box-shadow: 0 0 11px rgba(227, 27, 35, 0.82);
}

#login_wrap.custom_login_page .custom_tv_live_text {
    color: #ff4a50;
    font-size: 17px;
    font-weight: 700;
}

#login_wrap.custom_login_page .custom_tv_live_line {
    width: 1px;
    height: 35px;
    flex: 0 0 1px;
    margin-left: 4px;
    background: rgba(255, 255, 255, 0.3);
}

#login_wrap.custom_login_page .custom_tv_live_icon {
    display: grid;
    width: 38px;
    height: 38px;
    flex: 0 0 38px;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.36);
    border-radius: 50%;
    color: #fff;
    font-size: 17px;
}

#login_wrap.custom_login_page .custom_tv_live_title {
    overflow: hidden;
    color: #d7d7d7;
    font-size: 16px;
    font-weight: 700;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Weather */
#login_wrap.custom_login_page .vrijeme {
    display: flex;
    width: 250px;
    height: 70px;
    align-items: center;
    justify-content: center;
    margin: 5px auto 0;
    overflow: hidden;
}

#login_wrap.custom_login_page .vrijeme iframe {
    display: block;
    width: 250px;
    height: 70px;
    border: 0;
    background: transparent;
}

/* Login panel */
#login_wrap.custom_login_page .custom_login_right {
    display: flex;
    min-height: 590px;
    flex-direction: column;
    justify-content: center;
    padding: 42px 32px;
}

#login_wrap.custom_login_page .custom_language_wrap {
    position: absolute;
    z-index: 3;
    top: 25px;
    left: 25px;
}

#login_wrap.custom_login_page #intro_lang {
    top: 0;
    right: auto;
    left: 0;
    width: 34px;
    height: 28px;
}

#login_wrap.custom_login_page .intro_lang {
    display: block;
    width: 34px;
    height: 23px;
    object-fit: cover;
    border: 1px solid rgba(255, 255, 255, 0.24);
    border-radius: 3px;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.55);
}

#login_wrap.custom_login_page .custom_login_logo {
    padding: 7px 50px 20px;
}

#login_wrap.custom_login_page #login_logo {
    display: block;
    width: min(100%, 410px);
    height: auto;
    max-height: 115px;
    margin: 0 auto;
    object-fit: contain;
}

#login_wrap.custom_login_page .custom_login_text {
    max-width: 400px;
    margin: 0 auto 40px;
    color: #f3f3f3;
}

#login_wrap.custom_login_page .custom_login_text p:first-child {
    color: #fff;
    font-size: 25px;
    text-shadow: 0 0 18px rgba(255, 255, 255, 0.14);
}

#login_wrap.custom_login_page .custom_login_text p:last-child {
    color: #c8c8c8;
    font-size: 17px;
    line-height: 1.55;
}

#login_wrap.custom_login_page .custom_login_actions {
    width: 100%;
    max-width: 330px;
    margin: 0 auto;
}

#login_wrap.custom_login_page .custom_login_actions .intro_login_btn,
#login_wrap.custom_login_page .custom_login_actions .intro_guest_btn {
    display: block;
    width: 100%;
    min-height: 57px;
    margin: 0 0 13px;
    color: #f2f2f2;
    border-color: rgba(255, 255, 255, 0.3);
    background: linear-gradient(135deg, #454545, #232323);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.75),
        0 8px 22px rgba(0, 0, 0, 0.35);
    font-size: 18px;
    font-weight: 700;
    transition: transform 0.2s ease, filter 0.2s ease, background 0.2s ease;
}

#login_wrap.custom_login_page .custom_login_actions .intro_guest_btn {
    color: #f2f2f2;
    border-color: rgba(255, 255, 255, 0.3);
    background: linear-gradient(135deg, #454545, #232323);
}

#login_wrap.custom_login_page .custom_login_actions .intro_login_btn:hover,
#login_wrap.custom_login_page .custom_login_actions .intro_guest_btn:hover {
    filter: brightness(1.12);
    transform: translateY(-2px);
}

#login_wrap.custom_login_page .custom_register_box {
    margin-top: 24px;
    color: #bfbfbf;
    text-align: center;
}

#login_wrap.custom_login_page .custom_register_box p {
    margin: 0;
}

#login_wrap.custom_login_page .custom_register_box p:last-child {
    color: #fff;
    text-decoration: underline;
}

/* News panel / Naslovi.net widget */
#login_wrap.custom_login_page .custom_news_panel {
    grid-column: 1 / -1;
    padding: 30px 58px 36px;
}

#login_wrap.custom_login_page .custom_news_heading {
    display: flex;
    align-items: center;
    gap: 17px;
    margin-bottom: 27px;
}

#login_wrap.custom_login_page .custom_news_heading span {
    height: 1px;
    flex: 1;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.42)
    );
}

#login_wrap.custom_login_page .custom_news_heading span:last-child {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0.42),
        transparent
    );
}

#login_wrap.custom_login_page .custom_news_heading h2 {
    margin: 0;
    color: #fff;
    font-size: 25px;
    font-weight: 700;
    white-space: nowrap;
}

#login_wrap.custom_login_page .custom_news_widget_wrap {
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 14px;
    background: #111;
}

#login_wrap.custom_login_page #naslovi_news_widget {
    display: block;
    width: 100%;
    height: 440px;
    min-height: 440px;
    border: 0;
    background: #111;
}

/* Footer */
#login_wrap.custom_login_page .page_footer,
#login_wrap.custom_login_page #page_footer,
#login_wrap.custom_login_page footer {
    position: relative !important;
    right: auto !important;
    bottom: auto !important;
    left: auto !important;
    clear: both;
    width: 100%;
    height: auto !important;
    min-height: 0 !important;
    margin-top: 0 !important;
}

/* Responsive */
@media (max-width: 760px) {
    #login_wrap.custom_login_page {
        padding: 18px 12px 40px;
    }

    #login_wrap.custom_login_page .custom_login_wrap {
        margin-bottom: 40px;
        grid-template-columns: 1fr;
    }

    #login_wrap.custom_login_page .custom_tv_panel,
    #login_wrap.custom_login_page .custom_login_right {
        min-height: auto;
    }

    #login_wrap.custom_login_page .custom_tv_frame_wrap {
        height: auto;
        aspect-ratio: 16 / 9;
    }

    #login_wrap.custom_login_page .custom_login_right {
        padding: 40px 22px;
    }

    #login_wrap.custom_login_page .custom_news_panel {
        grid-column: auto;
        padding: 25px 18px 30px;
    }

    #login_wrap.custom_login_page #naslovi_news_widget {
        height: 440px;
        min-height: 440px;
    }
}

@media (max-width: 460px) {
    #login_wrap.custom_login_page {
        padding: 12px 10px 35px;
    }

    #login_wrap.custom_login_page .custom_tv_panel {
        padding: 32px 14px 16px;
    }

    #login_wrap.custom_login_page .custom_login_right {
        padding: 36px 16px;
    }

    #login_wrap.custom_login_page .custom_login_logo {
        padding: 5px 36px 17px;
    }

    #login_wrap.custom_login_page .custom_tv_live_info {
        gap: 9px;
    }

    #login_wrap.custom_login_page .custom_tv_live_title {
        font-size: 13px;
    }

    #login_wrap.custom_login_page .custom_login_text p:first-child {
        font-size: 21px;
    }

    #login_wrap.custom_login_page .custom_news_heading {
        gap: 10px;
        margin-bottom: 20px;
    }

    #login_wrap.custom_login_page .custom_news_heading h2 {
        font-size: 20px;
    }

    #login_wrap.custom_login_page .vrijeme,
    #login_wrap.custom_login_page .vrijeme iframe {
        width: 220px;
    }
}