body,
html {
    font-family: "Open Sans", sans-serif;
    text-rendering: optimizeLegibility !important;
    -webkit-font-smoothing: antialiased !important;
    color: #777;
    font-weight: 400;
    width: 100% !important;
    height: 100% !important;
}

h2,
h3,
h4 {
    font-family: "Raleway", sans-serif;
}

h2 {
    text-transform: uppercase;
    margin: 0 0 20px;
    font-weight: 800;
    font-size: 36px;
    color: #333;
}

h3 {
    font-size: 20px;
    font-weight: 600;
    color: #333;
}

h4 {
    font-size: 18px;
    color: #333;
    font-weight: 600;
}

h5 {
    text-transform: uppercase;
    font-weight: 700;
    line-height: 20px;
}

p {
    font-size: 15px;
}

p.intro {
    margin: 12px 0 0;
    line-height: 24px;
}

a {
    color: #FFF;
    font-weight: 400;
}

a.index-link {
    color: #777777;
    font-weight: 400;
}

a:hover,
a:focus {
    text-decoration: none;
    color: #0271bd;
}

ul,
ol {
    list-style: none;
}

ul,
ol {
    padding: 0;
    webkit-padding: 0;
    moz-padding: 0;
}

hr {
    height: 2px;
    width: 70px;
    text-align: center;
    position: relative;
    background: #0271bd;
    margin-bottom: 20px;
    border: 0;
}

/* Navigation */
#menu {
    padding: 15px;
    transition: all 0.8s;
}

#menu.navbar-default {
    background-color: #fff;
    border-color: rgba(231, 231, 231, 0);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.15);
}

#menu a.navbar-brand {
    font-family: "Raleway", sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: #333;
    text-transform: uppercase;
}

#menu a.navbar-brand > svg {
    height: 18px;
    text-transform: none;

}

#menu.navbar-default .navbar-nav > li > a {
    font-family: "Lato", sans-serif;
    text-transform: uppercase;
    color: #555;
    font-size: 15px;
    font-weight: 400;
    padding: 8px 2px;
    border-radius: 0;
    margin: 9px 20px 0;
}

#menu.navbar-default .navbar-nav > li.action > a {
    font-family: "Lato", sans-serif;
    text-transform: uppercase;
    color: #fff;
    background-color: #0271bd;
    padding: 10px 12px;
    font-size: 15px;
    font-weight: 400;
    border-radius: 25px;
    margin: 9px 20px 0;
    transition: all 0.5s linear;
    border: 0;
}

#menu.navbar-default .navbar-nav > li.action > a:hover,
#menu.navbar-default .navbar-nav > li.action > a:focus,
#menu.navbar-default .navbar-nav > li.action > a.focus {
    color: #fff;
    background-image: none;
    background-color: #0271bd;
}


#menu.navbar-default .navbar-nav > li > a:after {
    display: block;
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 0;
    height: 2px;
    background: #0271bd;
    content: "";
    transition: width 0.2s;
}

#menu.navbar-default .navbar-nav > li > a:hover:after {
    width: 100%;
}

#menu.navbar-default .navbar-nav > li.action > a:hover:after {
    width: 0%;
}

.navbar-default .navbar-nav > .active > a,
.navbar-default .navbar-nav > .active > a:hover,
.navbar-default .navbar-nav > .active > a:focus {
    background-color: transparent;
}

.navbar-default .navbar-nav > .active > a:after,
.navbar-default .navbar-nav > .active > a:hover:after,
.navbar-default .navbar-nav > .active > a:focus:after {
    display: block !important;
    position: absolute !important;
    left: 0 !important;
    bottom: -1px !important;
    width: 100% !important;
    height: 2px !important;
    background: #0271bd !important;
    content: "" !important;
    transition: width 0.2s !important;
}

.navbar-toggle {
    border-radius: 0;
}

.navbar-default .navbar-toggle:hover,
.navbar-default .navbar-toggle:focus {
    background-color: #fff;
    border-color: #0271bd;
}

.navbar-default .navbar-toggle:hover > .icon-bar {
    background-color: #0271bd;
}

.section-title {
    margin-bottom: 70px;
}

.section-title h2 {
    position: relative;
    margin-top: 10px;
    margin-bottom: 15px;
    padding-bottom: 15px;
}

.section-title h2::after {
    position: absolute;
    content: "";
    background: #0271bd;
    height: 4px;
    width: 60px;
    bottom: 0;
    margin-left: -30px;
    left: 50%;
}

.section-title p {
    font-size: 18px;
}

.btn-custom {
    font-family: "Raleway", sans-serif;
    text-transform: uppercase;
    color: #fff;
    background-color: #0271bd;
    padding: 14px 34px;
    letter-spacing: 1px;
    margin: 0;
    font-size: 15px;
    font-weight: 500;
    border-radius: 25px;
    transition: all 0.5s linear;
    border: 0;
}

.btn-custom:hover,
.btn-custom:focus,
.btn-custom.focus,
.btn-custom:active,
.btn-custom.active {
    color: #fff;
    background-image: none;
    background-color: #0271bd;
}

.btn:active,
.btn.active {
    background-image: none;
    outline: 0;
    -webkit-box-shadow: none;
    box-shadow: none;
}

.btn-custom-sm {
    font-family: "Raleway", sans-serif;
    text-transform: uppercase;
    color: #fff;
    background-color: #0271bd;
    padding: 5px 15px;
    letter-spacing: 1px;
    margin: 10px;
    font-size: 15px;
    font-weight: 500;
    border-radius: 25px;
    transition: all 0.5s linear;
    border: 0;
}

.btn-custom-sm:hover,
.btn-custom-sm:focus,
.btn-custom-sm.focus,
.btn-custom-sm:active,
.btn-custom-sm.active {
    color: #fff;
    background-image: none;
    background-color: #0271bd;
}

a:focus,
.btn:focus,
.btn:active:focus,
.btn.active:focus,
.btn.focus,
.btn:active.focus,
.btn.active.focus {
    outline: none;
    /*outline-offset: none;*/
}

/* Header Section */
.intro {
    display: table;
    width: 100%;
    padding: 0;
    background: #e5e5e5 url(../img/intro-bg.jpg) no-repeat center center;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    background-size: cover;
    -o-background-size: cover;
}

.intro .overlay {
    background: rgba(0, 0, 0, 0.2);
}

.intro h1 {
    font-family: "Raleway", sans-serif;
    color: #fff;
    font-size: 60px;
    font-weight: 700;
    text-transform: uppercase;
    margin-top: 0;
    margin-bottom: 10px;
}

.intro h1 span {
    font-weight: 800;
    color: #0271bd;
}

.intro p {
    color: #fff;
    font-size: 22px;
    font-weight: 300;
    line-height: 30px;
    margin: 0 auto 60px;
}

header .intro-text {
    padding-top: 350px;
    padding-bottom: 200px;
    text-align: center;
}

/* About Section */

#about img {
    width: 550px;
    margin-top: 30px;
    background: #fff;
    border-right: 0;
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.06);
}

#about p {
    line-height: 24px;
    margin: 30px 0;
    color: #777777;
}

#about .about-text {
    text-align: left;
}

#calendar {
    outline: 0;
    border: 0;
}

/* Calendar View */
.calendar-view {
    margin: 40px auto 0;
    padding: 30px;
    max-width: 1100px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
}

.calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 25px;
}

.calendar-nav-btn {
    border: 0;
    background: #0271bd;
    color: #fff;
    width: 48px;
    height: 48px;
    font-size: 28px;
    border-radius: 50%;
    cursor: pointer;
    transition: opacity 0.2s ease;
}

.calendar-nav-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.calendar-current {
    text-align: center;
}

.calendar-current-month {
    font-size: 26px;
    font-weight: 700;
    text-transform: capitalize;
}

.calendar-today-btn {
    margin-top: 6px;
    background: transparent;
    border: 1px solid #0271bd;
    color: #0271bd;
    padding: 5px 18px;
    border-radius: 999px;
    font-weight: 600;
}

.calendar-today-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.calendar-grid {
    margin-top: 20px;
}

.calendar-grid-header,
.calendar-grid-body {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 10px;
}

.calendar-grid-header-cell {
    text-transform: uppercase;
    font-weight: 700;
    color: #0271bd;
    letter-spacing: 0.05em;
    text-align: center;
}

.calendar-day {
    min-height: 120px;
    border: 1px solid rgba(2, 113, 189, 0.2);
    border-radius: 10px;
    padding: 8px;
    background: #f9fbff;
    display: flex;
    flex-direction: column;
}

.calendar-day.is-outside {
    opacity: 0.5;
    background: #fff;
}

.calendar-day--empty {
    background: transparent;
    border-style: dashed;
    border-color: rgba(2, 113, 189, 0.2);
    padding: 0;
    pointer-events: none;
}

.calendar-day-number {
    font-weight: 700;
    margin-bottom: 6px;
    color: #333;
}

.calendar-events {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.calendar-event {
    border: 0;
    text-align: left;
    background: rgba(2, 113, 189, 0.08);
    border-left: 4px solid #0271bd;
    border-radius: 6px;
    padding: 6px 8px;
    color: #1b1b1b;
    cursor: pointer;
    font-size: 14px;
}

.calendar-event.list {
    width: 100%;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border: 1px solid rgba(2, 113, 189, 0.2);
    background: #fff;
    padding: 12px 16px;
    gap: 14px;
}

.calendar-event-main {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.calendar-event-time {
    font-weight: 700;
    color: #0271bd;
    display: block;
}

.calendar-event-title {
    display: block;
}

.calendar-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-top: 4px;
    width: fit-content;
}

.calendar-badge--registration {
    background: rgba(30, 180, 112, 0.12);
    color: #0f7a4d;
    border: 1px solid rgba(30, 180, 112, 0.4);
}

.calendar-event-chevron {
    font-size: 18px;
    color: #0271bd;
}

.calendar-list-mobile {
    margin-top: 30px;
    display: none;
}

.calendar-list-group {
    border-bottom: 1px solid rgba(2, 113, 189, 0.2);
    padding: 15px 0;
}

.calendar-list-date {
    font-weight: 700;
    color: #333;
    margin-bottom: 12px;
}

.calendar-list-events {
    padding-left: 0;
}

.calendar-event-detail {
    margin-top: 10px;
    border-radius: 12px;
    background: #f2f7fd;
    padding: 10px 14px;
    display: none;
}

.calendar-event-detail-row {
    display: flex;
    gap: 6px;
    font-size: 14px;
    margin-bottom: 6px;
}

.calendar-event-detail-row--cta {
    display: block;
    margin-top: 10px;
}

.calendar-registration-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #0271bd;
    color: #fff;
    padding: 8px 18px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    transition: background 0.2s ease, transform 0.2s ease;
}

.calendar-registration-link:hover,
.calendar-registration-link:focus {
    background: #045a94;
    color: #fff;
    transform: translateY(-1px);
}

.calendar-registration-link:active {
    transform: translateY(0);
}

.calendar-event-detail.is-visible {
    display: block;
}

.calendar-event-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 999;
}

.calendar-event-detail-card {
    background: #fff;
    padding: 25px;
    border-radius: 16px;
    max-width: 420px;
    width: 100%;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    position: relative;
}

.calendar-event-close {
    border: 0;
    background: transparent;
    font-size: 24px;
    position: absolute;
    top: 12px;
    right: 12px;
    color: #0271bd;
    cursor: pointer;
}

.calendar-event-detail-card h4 {
    margin-top: 0;
}

.calendar-event-detail-cta {
    margin: 18px 0 10px;
}

.calendar-event-detail-date {
    font-weight: 600;
    margin-bottom: 6px;
}

.calendar-loading,
.calendar-error,
.calendar-empty {
    margin-top: 20px;
    text-align: center;
    font-weight: 600;
    color: #0271bd;
}

.calendar-error {
    color: #c0392b;
}

.calendar-flyer {
    margin-top: 0.75rem;
    text-align: center;
}

.calendar-flyer-link {
    display: inline-block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    text-decoration: underline;
    color: inherit;
}

.calendar-flyer img {
    display: block;
    width: 100%;
    height: auto;
    max-width: 240px;
    border-radius: 4px;
    margin: 0 auto;
}

@media (max-width: 899px) {
    .calendar-view {
        padding: 20px;
    }

    .calendar-grid {
        display: none;
    }

    .calendar-list-mobile {
        display: block;
    }

    .calendar-flyer img {
        max-width: 100%;
        max-height: 360px;
        object-fit: contain;
    }
}

/* Modus Section */
#modus {
    padding: 100px 0;
    color: #fff;
}

#modus .modus-desc {
    margin: 10px 10px 20px;
}


#modus img {
    font-size: 42px;
    width: 120px;
    height: 120px;
    padding: 40px 0;
    background: #0271bd;
    border-radius: 50%;
    color: #777777;
    box-shadow: 10px 10px 10px rgba(0, 0, 0, 0.05);
}

#modus h3 {
    font-weight: 500;
    padding: 5px 0;
    color: #777777;
}

#modus p {
    color: #777777;
}

#modus .modus-desc {
    margin-bottom: 40px;
}

/* gallery Section */
#gallery {
    padding: 100px 0;
}

.gallery-item {
    margin: 1px -15px 0 -14px;
    padding: 0;
}

.gallery-item .hover-bg {
    overflow: hidden;
    position: relative;
    margin: 0;
}

.hover-bg .hover-text {
    position: absolute;
    text-align: center;
    margin: 0 auto;
    color: #fff;
    background: linear-gradient(
            to right,
            rgba(99, 99, 99, 0.8) 0%,
            rgba(140, 140, 140, 0.8) 100%
    );
    padding: 30% 0 0;
    height: 100%;
    width: 100%;
    opacity: 0;
    transition: all 0.5s;
}

.hover-bg .hover-text > h4 {
    opacity: 0;
    color: #fff;
    -webkit-transform: translateY(100%);
    transform: translateY(100%);
    transition: all 0.3s;
    font-size: 18px;
    letter-spacing: 1px;
    font-weight: 500;
    text-transform: uppercase;
}

.hover-bg:hover .hover-text > h4 {
    opacity: 1;
    -webkit-backface-visibility: hidden;
    -webkit-transform: translateY(0);
    transform: translateY(0);
}

.hover-bg:hover .hover-text {
    opacity: 1;
}

.gallery-teaser {
    margin-top: 40px;
    row-gap: 24px;
}

.gallery-teaser-images {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 16px;
}

.gallery-teaser-images figure {
    margin: 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.08);
    background: #fff;
}

.gallery-teaser-images img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
}

.gallery-teaser-images figcaption {
    padding: 10px 14px;
    font-size: 14px;
    color: #555;
    text-align: left;
}

.gallery-teaser-placeholder {
    border: 2px dashed rgba(2, 113, 189, 0.4);
    border-radius: 12px;
    padding: 40px 20px;
    color: #0271bd;
}

.gallery-teaser-content {
    text-align: left;
}

.gallery-teaser-content p {
    font-size: 18px;
    color: #555;
}

.gallery-teaser-link {
    margin-top: 20px;
}

@media (max-width: 768px) {
    .gallery-teaser-images img {
        height: 140px;
    }

    .gallery-teaser {
        text-align: left;
    }
}

/* Contact Section */
#contact {
    padding: 100px 0 60px;
    background: #0271bd;
    color: rgba(255, 255, 255, 0.75);
}

#contact .section-title {
    margin-bottom: 40px;
}

#contact .section-title p {
    font-size: 16px;
}

#contact h2 {
    color: #fff;
    margin-top: 10px;
    margin-bottom: 15px;
    padding-bottom: 15px;
}

#contact .section-title h2::after {
    position: absolute;
    content: "";
    background: rgba(255, 255, 255, 0.3);
    height: 4px;
    width: 60px;
    bottom: 0;
    left: 30px;
}

#contact h3 {
    color: #fff;
    margin-top: 80px;
    margin-bottom: 25px;
    padding-bottom: 20px;
    font-weight: 400;
}

#contact form {
    padding-top: 20px;
}

#contact .text-danger {
    color: #cc0033;
    text-align: left;
}

#contact .btn-custom {
    margin: 30px 0;
    background: transparent;
    border: 2px solid #fff;
}

#contact .btn-custom:hover {
    color: #1f386e;
    background: #fff;
}

label {
    font-size: 12px;
    font-weight: 400;
    font-family: "Open Sans", sans-serif;
    float: left;
}

#contact .form-control {
    display: block;
    width: 100%;
    padding: 6px 12px;
    font-size: 16px;
    line-height: 1.4;
    color: #444;
    background-color: #fff;
    background-image: none;
    border: 1px solid #ddd;
    border-radius: 0;
    -webkit-box-shadow: none;
    box-shadow: none;
    -webkit-transition: none;
    -o-transition: none;
    transition: none;
}

#contact .form-control:focus {
    border-color: #999;
    outline: 0;
    /*-webkit-box-shadow: transparent;*/
    /*box-shadow: transparent;*/
}

.form-control::-webkit-input-placeholder {
    color: #777;
}

.form-control:-moz-placeholder {
    color: #777;
}

.form-control::-moz-placeholder {
    color: #777;
}

.form-control:-ms-input-placeholder {
    color: #777;
}

#contact .contact-item {
    margin: 20px 0;
}

#contact .contact-item span {
    color: rgba(255, 255, 255, 1);
    margin-bottom: 10px;
    display: block;
}

#contact .social {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 50px;
    margin-top: 50px;
    text-align: center;
}

#contact .social ul li {
    display: inline-block;
    margin: 0 20px;
}

#contact .social a {
    font-size: 22px;
    width: 48px;
    height: 48px;
    padding: 16px 16px 12px;
    border: 2px solid #fff;
    color: #fff;
    border-radius: 50%;
    transition: all 0.3s;
}

#contact .social a:hover {
    color: #0271bd;
    background: #fff;
}

#contact .address {
    color: #fff;
}

#contact .address:hover {
    padding-top: 5px;
    padding-bottom: 5px;
    padding-left: 5px;
    border-radius: 5px;
    color: #0271bd;
    background: #fff;
}

/* Page layout helpers */
.page-shell {
    width: 100%;
    max-width: 1080px;
    margin: 100px auto 80px;
    padding: 0 24px;
}

@media (max-width: 768px) {
    .page-shell {
        margin: 80px auto 60px;
        padding: 0 18px;
    }
}

.page-hero {
    text-align: center;
    margin-bottom: 48px;
}

.page-hero__eyebrow {
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 0.82rem;
    font-weight: 700;
    color: #0271bd;
    margin-bottom: 12px;
}

.page-hero__title {
    font-size: clamp(2rem, 4vw, 3.4rem);
    font-weight: 800;
    margin-bottom: 16px;
    color: #01243f;
}

.page-hero__lead {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #2b3a45;
    max-width: 760px;
    margin: 0 auto;
}

.page-hero--left {
    text-align: left;
}

.page-hero--left .page-hero__lead {
    margin-left: 0;
}

.page-hero__meta {
    font-size: 0.95rem;
    color: #4f5b67;
    margin-bottom: 12px;
}

.page-hero__back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    color: #0271bd;
    text-decoration: none;
    margin-bottom: 16px;
}

.page-hero__back:hover {
    text-decoration: underline;
}

/*Address section*/
#address {
    margin: 100px 20px 50px;
}



#address img {
    max-width: 600px;
    min-width: 400px;
    width: 100%;
}

#address p {
    font-size: 20px;
}

/* Footer Section*/
#footer {
    background: #f6f6f6;
    padding: 30px 0;
}

#footer p {
    color: #888;
    font-size: 14px;
}

#footer a {
    color: #0271bd;
}

#footer a:hover {
    border-bottom: 2px solid #0271bd;
}

/*Impressum section */

#impressum {
    margin-top: 100px;
    margin-bottom: 50px;
    margin-left: 20px;
}

#impressum h2 {
    margin: 0 0 20px;
    font-weight: 600;
    font-size: 26px;
    color: #777;
}

#impressum h3 {
    position: relative;
    margin-top: 50px;
    margin-bottom: 5px;
    padding-bottom: 5px;
}

#impressum p {
    font-size: 18px;
}

/* Challenger section */
#challenger {
    margin-top: 100px;
    margin-bottom: 50px;
    margin-left: 5px;
    max-width: 768px;
}

#challenger .section-title {
    text-align: center;
}

#challenger .challenger-cutover-hint {
    margin: 20px 0 10px;
    padding: 16px 20px;
    border-left: 4px solid #0271bd;
    background-color: #f2f7fb;
    color: #1f2a33;
    font-size: 1rem;
    line-height: 1.5;
}

#challenger .section-subline {
    margin: 12px auto 0;
    max-width: 640px;
    font-size: 1rem;
    color: #4f5b67;
    line-height: 1.5;
}

#challenger .registration-skeleton {
    margin: 60px 0;
    padding: 36px 40px;
    border: 1px solid #e0e5ec;
    border-radius: 8px;
    background-color: #fff;
    box-shadow: none;
    font-size: 16px;
    line-height: 1.6;
}

#challenger .registration-skeleton h2 {
    margin-top: 0;
    margin-bottom: 16px;
    font-size: 28px;
    letter-spacing: 1px;
}

#challenger .registration-description {
    margin-top: 0;
    margin-bottom: 12px;
    font-size: 1rem;
    line-height: 1.6;
    color: #4f5b67;
}

#challenger .registration-note {
    margin: 0 0 28px;
    padding: 14px 16px;
    border: 1px solid #e3e8f1;
    border-radius: 6px;
    background-color: #f9fbfd;
    font-size: 16px;
    color: #2b3a45;
}

#challenger .registration-hint {
    margin: 0 0 18px;
    padding: 12px 16px;
    border: 1px solid #e6ecf3;
    border-radius: 6px;
    background-color: #fff;
    font-size: 16px;
    color: #2b3a45;
}

#challenger .registration-status {
    margin: 16px 0;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    color: #2b3a45;
    font-size: 16px;
}

#challenger .registration-status--info {
    color: #0271bd;
}

#challenger .registration-status--error {
    color: #c73a30;
}

#challenger .registration-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid rgba(2, 113, 189, 0.2);
    border-top-color: #0271bd;
    animation: spin 0.8s linear infinite;
}

#challenger .registration-options {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-top: 8px;
    padding-top: 16px;
    border-top: 1px solid #e6ecf3;
}

#challenger .registration-option {
    display: flex;
    gap: 12px;
    cursor: pointer;
    align-items: center;
    width: 100%;
}

#challenger .tournament-option {
    padding: 12px 0;
    border-bottom: 1px solid #edf0f5;
}

#challenger .tournament-option:last-child {
    border-bottom: none;
}

#challenger .tournament-option-details {
    width: 100%;
}

#challenger .tournament-option-flyer img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 4px;
}

#challenger .registration-flyer-mobile {
    display: none;
    margin-top: 24px;
    padding: 16px;
    border: 1px solid #e6ecf3;
    border-radius: 10px;
    background-color: #f9fbfd;
}

#challenger .registration-flyer-mobile h3 {
    margin-top: 0;
    margin-bottom: 12px;
}

#challenger .registration-flyer-mobile img {
    width: 100%;
    height: auto;
}

#challenger .registration-option input {
    margin-top: 0;
    accent-color: #0271bd;
}

#challenger .registration-option__content {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 16px;
    align-items: center;
    flex: 1;
    padding: 4px 0;
    border: 1px solid transparent;
    border-radius: 4px;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

#challenger .registration-option input:checked + .registration-option__content {
    border-color: #0271bd;
    background-color: #f2f7fc;
}

#challenger .registration-option__kind {
    font-weight: 700;
    color: #0271bd;
    min-width: 42px;
    text-align: center;
    text-transform: uppercase;
    font-size: 0.85rem;
    padding: 4px 8px;
    border-radius: 999px;
    background-color: #e0f0ff;
}

#challenger .registration-option__details {
    display: flex;
    flex-direction: column;
}

#challenger .registration-option__title {
    font-weight: 600;
    font-size: 16px;
}

#challenger .registration-option__meta {
    font-size: 15px;
    color: #4f5b67;
}

#challenger .registration-form {
    margin-top: 24px;
}

#challenger .registration-fields {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

#challenger .registration-field {
    flex: 1 1 220px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-weight: 600;
    font-size: 16px;
}

#challenger .registration-field input {
    padding: 12px 14px;
    border-radius: 10px;
    border: 1px solid #c7d9ec;
    font-size: 16px;
    background-color: #fff;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

#challenger .registration-field input:focus {
    border-color: #0271bd;
    box-shadow: 0 0 0 2px rgba(2, 113, 189, 0.15);
    outline: none;
}

#challenger .registration-field__error {
    font-size: 0.85rem;
    color: #c73a30;
}

#challenger .registration-actions {
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
}

#challenger .registration-actions .btn {
    min-width: 210px;
}

#challenger .registration-helper {
    margin: 0;
    font-size: 15px;
    color: #4f5b67;
}

#challenger .registration-feedback-wrapper {
    margin-top: 16px;
}

#challenger .registration-feedback {
    margin: 0;
    padding: 12px 14px;
    border-left: 4px solid;
    border-radius: 10px;
    font-weight: 500;
}

#challenger .registration-feedback--success {
    border-color: #2f9b63;
    background-color: #edf9f2;
    color: #1d6b42;
}

#challenger .registration-feedback--duplicate {
    border-color: #f0b763;
    background-color: #fff8e6;
    color: #8c5a14;
}

#challenger .registration-feedback--error {
    border-color: #c73a30;
    background-color: #fdebea;
    color: #7a1c14;
}

#challenger .registration-list-wrapper {
    margin-top: 32px;
    padding-top: 16px;
    border-top: 1px solid #d2e4f7;
}

#challenger .registration-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

#challenger .registration-list-header h3 {
    margin: 0;
}

#challenger .registration-refresh {
    border: 1px solid #d2e4f7;
    background-color: #fff;
    color: #0271bd;
    border-radius: 999px;
    padding: 6px 14px;
    font-weight: 600;
    font-size: 0.9rem;
}

#challenger .registration-refresh:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

#challenger .registration-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

#challenger .registration-list__item {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 10px 0;
    border-bottom: 1px solid #eef3f8;
    font-weight: 500;
    font-size: 16px;
}

#challenger .registration-list__name {
    color: #0b3654;
    font-size: 16px;
}

#challenger .registration-list__meta {
    font-size: 15px;
    color: #4f5b67;
}

#challenger .registration-flyer {
    margin-top: 32px;
    padding: 20px;
    border: 1px solid #e6ecf3;
    border-radius: 10px;
    background-color: #f9fbfd;
    text-align: center;
}

#challenger .registration-flyer h3 {
    margin-top: 0;
    margin-bottom: 12px;
}

#challenger .registration-flyer img {
    width: 100%;
    max-width: 420px;
    height: auto;
    border-radius: 8px;
    border: 1px solid #d2e4f7;
}

#challenger .reload {
    align-content: center;
    text-align: center;
    margin-top: 50px;
    margin-bottom: 50px;
}

#challenger table {
    border-collapse: collapse;
    width: 100%;
    min-width: 390px;
}

#challenger th,
td {
    padding: 8px;
    text-align: left;
    border: 1px solid #ddd;
}

#challenger tbody tr:hover {
    background-color: #f5f5f5;
}

#challenger th {
    background-color: #0271bd;
    color: white;
}


@media (min-width: 900px) {
    #challenger .tournament-option {
        display: flex;
        align-items: flex-start;
        gap: 1.5rem;
    }

    #challenger .tournament-option-details {
        flex: 1;
    }

    #challenger .tournament-option-flyer-desktop {
        flex: 0 0 220px;
        max-width: 220px;
    }

    #challenger .tournament-option-flyer-desktop img {
        box-shadow: none;
    }

    #challenger .registration-flyer-mobile {
        display: none;
    }
}

@media (max-width: 899px) {
    #challenger .tournament-option-flyer-desktop {
        display: none;
    }

    #challenger .registration-flyer-mobile {
        display: block;
    }

    #challenger .registration-flyer-mobile img {
        max-width: 100%;
        border-radius: 4px;
    }
}

@media (max-width: 768px) {
    #about img {
        margin: 50px 0;
    }
    #challenger .registration-skeleton {
        padding: 24px 18px;
        font-size: 15px;
        line-height: 1.6;
    }
    #challenger .registration-option__content {
        flex-direction: column;
        align-items: flex-start;
    }
    #challenger .registration-option input {
        margin-top: 12px;
    }
    #challenger .registration-actions {
        flex-direction: column;
        align-items: flex-start;
    }
    #challenger .registration-list__item {
        flex-direction: column;
        align-items: flex-start;
    }
    #challenger .challenger-cutover-hint,
    #challenger .section-subline,
    #challenger .registration-note,
    #challenger .registration-hint,
    #challenger .registration-status,
    #challenger .registration-field,
    #challenger .registration-list__item,
    #challenger .registration-list__name,
    #challenger .registration-option__title,
    #challenger .registration-field input,
    #challenger .registration-helper,
    #challenger .registration-option__meta,
    #challenger .registration-list__meta {
        font-size: 15px;
    }
}
/* Loading Spinner Animation */
@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.loading-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    font-size: 1.2rem;
}

.loading-spinner {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 200px;
    padding: 2rem;
}

.spinner {
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-left-color: #09c;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}