footer,
header {
    background-color: var(--header-background);
    font-size: 24px;
    letter-spacing: 1px;
}
.bonus-card,
.filter-button {
    transition: 0.3s;
    cursor: pointer;
}
.loader,
.pageloader,
.popup {
    left: 50%;
    transform: translate(-50%, -50%);
}
.bonus-name,
.btn-take-bonus,
.filter-button,
footer,
header {
    font-weight: 700;
}
.bonus-card,
.popup-content,
.title,
footer,
header,
td,
th {
    text-align: center;
}
body {
    font-family: Arial, sans-serif;
    /* Arka plan artık .otobonus-app::before (yüklenen görsel veya desen) ve
       html'in taban rengiyle yönetiliyor. body'ye eski 2123.jpg verilince,
       html'de arka plan olduğu için bu görsel body kutusuna basılıp
       negatif z-index'li ::before katmanının ÖNÜNE geçiyordu. Şeffaf
       bırakılıyor ki gerçek arka plan görünsün. */
    background: transparent;
    color: #fff;
    line-height: 1.5;
    margin: 0;
}
header {
    padding: 20px;
    border-bottom: 2px solid var(--header-border);
}
footer {
    border-top: 2px solid var(--header-border);
    position: fixed;
    bottom: 0;
    width: 100%;
    z-index: 1000;
}
.logo {
    max-width: 200px;
    margin: 0 auto;
}
.filter-buttons {
    display: flex;
    justify-content: center;
    margin: 20px 0;
}
.tab {
    display: flex;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 10px var(--box-shadow-color);
}
.filter-button {
    text-transform: uppercase;
    background-color: var(--filter-button-bg);
    color: var(--filter-button-color);
    border: none;
    padding: 12px 5px;
    margin: 0;
    border-radius: 0;
    flex: 1;
}
.bonus-card,
.container {
    border-radius: 15px;
    display: flex;
}
.filter-button:hover {
    background-color: var(--filter-button-hover);
    transform: scale(1.05);
}
.filter-button.active {
    background-color: var(--filter-button-active-bg);
    color: var(--filter-button-active-color);
}
.filter-button:not(.active):hover {
    background-color: var(--filter-button-not-active-hover);
}
.container {
    max-width: 1500px;
    margin: 0 auto;
    flex-direction: column;
    align-items: center;
}
.bonus-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}
.bonus-card {
    background-color: var(--bonus-card-bg);
    margin: 12px;
    position: relative;
    min-width: 300px;
    max-width: 300px;
    flex-direction: column;
    box-shadow: 0 4px 8px var(--box-shadow-color);
    height: 100%;
}
#yukariCikBtn,
.btn-take-bonus {
    background-color: var(--btn-take-bonus-bg);
}
.bonus-card:hover {
    background-color: var(--bonus-card-hover-bg);
    box-shadow: 0 0 15px var(--bonus-card-hover-shadow);
    transform: scale(1.05);
}
#yukariCikBtn:hover,
.btn-take-bonus:hover {
    background-color: var(--btn-take-bonus-hover-bg);
}
.bonus-card a {
    text-decoration: none;
}
.bonus-image {
    width: 100%;
    height: auto;
    border-top-right-radius: 10px;
    border-top-left-radius: 10px;
    max-height: 150px;
    object-fit: cover;
    transition: transform 0.3s;
    border-bottom: 2px solid var(--border-bottom);
}
.btn-take-bonus,
.close-btn {
    transition: background-color 0.3s;
    color: #fff;
    cursor: pointer;
}
.btn-take-bonus {
    border: none;
    padding: 10px 20px;
    border-bottom-right-radius: 10px;
    border-bottom-left-radius: 10px;
    margin-top: auto;
    width: 100%;
    font-size: 15px;
}
.popup {
    display: none;
    position: fixed;
    top: 50%;
    background-color: var(--popup-bg);
    border-radius: 15px;
    padding: 25px;
    z-index: 1000;
    width: 90%;
    max-width: 800px;
    box-shadow: 0 6px 20px var(--popup-shadow);
}
.popup-content {
    max-height: 400px;
    overflow-y: auto;
}
.close-btn {
    position: absolute;
    top: 10px;
    right: 40px;
    font-size: 20px;
    background-color: var(--popup-close-btn-bg);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}
#yukariCikBtn,
.loader,
.overlay,
.pageloader {
    display: none;
    position: fixed;
}
.close-btn:hover {
    background-color: var(--popup-close-btn-hover-bg);
}
table {
    margin-top: 20px;
    width: 100%;
    border-collapse: collapse;
}
td,
th {
    border: 1px solid var(--table-border-color);
    padding: 10px;
}
th {
    background-color: var(--table-header-bg);
}
.loader,
.pageloader {
    top: 50%;
    z-index: 999;
    font-size: 24px;
    color: #fff;
}
.overlay {
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--overlay-bg);
    z-index: 998;
}
.bonus-name {
    font-size: 16px;
    color: var(--bonus-name-color);
}
#bonus-request-history {
    max-height: 300px;
    overflow-y: auto;
}
.past-requests-container {
    padding: 20px;
    background-color: var(--past-requests-bg);
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    margin: auto;
}
.title {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--past-requests-title-color);
}
.popup-content::-webkit-scrollbar {
    width: 8px;
}
.popup-content::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}
.popup-content::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 10px;
}
.popup-content::-webkit-scrollbar-thumb:hover {
    background: #555;
}
.cell {
    padding: 10px;
    border: 1px solid #ddd;
}
#yukariCikBtn {
    bottom: 50px;
    right: 30px;
    z-index: 999;
    font-size: 18px;
    color: #fff;
    border: none;
    padding: 15px;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.3s;
}
#yukariCikBtn:hover {
    transform: scale(1.1);
}
html {
    scroll-behavior: smooth;
}
@media (max-width: 768px) {
    body {
        margin-bottom: 100px;
    }
    .bonus-name,
    .btn-take-bonus,
    table {
        font-size: 12px;
    }
    td,
    th {
        padding: 4px;
    }
    .past-requests-container {
        padding: 10px;
    }
    .requests-table {
        flex-direction: column;
    }
    .request-row {
        flex-direction: column;
        padding: 8px 0;
    }
    .cell {
        text-align: center;
        padding: 5px 0;
    }
    .header {
        font-size: 18px;
    }
    .title {
        font-size: 20px;
    }
    #yukariCikBtn {
        display: none;
    }
    .bonus-card {
        min-width: 170px;
        max-width: 170px;
        margin: 10px;
    }
    .filter-button {
        font-size: 11px;
    }
    .container {
        padding: 0;
    }
    .close-btn {
        right: 15px;
    }
}
@keyframes scaleFadeIn {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}
.first-row-animate {
    animation: 0.7s ease-out scaleFadeIn;
}
#notifications {
    position: fixed;
    pointer-events: none;
    top: 0;
    right: 0;
    /* #popupTC (10020) ustunde kalsin: kimlik formu hatalari gorunsun */
    z-index: 10050;
    width: 250px;
    padding: 5px;
}
/* Kapsayici tiklamayi gecirir; bildirimin kendisi (kapat + kimlik butonu) tiklanabilir */
#notifications .notification {
    pointer-events: auto;
}
.notification {
    padding: 10px 20px;
    color: #fff;
    border-radius: 10px;
    margin: 5px;
    text-align: center;
    box-shadow: 0 0 20px rgba(0, 0, 0, .5);
    display: none;
}

.notification.success {
    background-color: #27ae60;
}

.notification.error {
    background-color: #c0392b;
}

.notification.info {
    background-color: #1e46bb;
}

.notification.warning {
    background-color: #00A033;
}

.notification strong {
    display: block;
    width: 100%;
}