@charset "UTF-8";

:root {
    --bg-base: #060608;
    --surface-glass: rgba(18, 18, 22, 0.7);
    --surface-glass-hover: rgba(28, 28, 35, 0.85);
    --border-glass: rgba(255, 255, 255, 0.1);
    --border-glass-hover: rgba(255, 255, 255, 0.25);
    --text-primary: #f4f4f6;
    --text-secondary: #94949e;
    --transition-smooth: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes ambientDrift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes tabFloat {
    0% { transform: translateY(-3px) translateX(0); }
    50% { transform: translateY(-6px) translateX(2px); }
    100% { transform: translateY(-3px) translateX(0); }
}

/* Reine CSS-Animation für das Aufklappen des Dropdown-Menüs */
@keyframes dropdownSlideIn {
    0% {
        opacity: 0;
        transform: translateY(-15px) scale(0.95);
        filter: blur(10px);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
        filter: blur(0);
    }
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--bg-base);
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(56, 189, 248, 0.04) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(255, 107, 53, 0.04) 0%, transparent 40%),
        repeating-linear-gradient(0deg, transparent, transparent 50px, rgba(255, 255, 255, 0.01) 50px, rgba(255, 255, 255, 0.01) 51px);
    background-size: 100% 100%, 100% 100%, 100% 100px;
    animation: ambientDrift 20s ease infinite;
    color: var(--text-primary);
    line-height: 1.6;
}

/*    'Header-Start'    */
.header-space {
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 25px 30px;
    background: var(--surface-glass);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-bottom: 1px solid var(--border-glass);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
    transition: var(--transition-smooth);
}

h1 {
    margin: 0px;
    font-weight: 600;
    font-size: 2.75rem;
    letter-spacing: 2px;
    background: linear-gradient(135deg, #e4e4e4a0 40%, #858181ca 70%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 4px 20px rgba(73, 75, 76, 0.2);
}


.benutzer-content {
    position: absolute;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1001;
}

.dropdown {
    position: relative;
    display: inline-block;
}


summary.anmeldung {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--surface-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    padding: 10px 22px;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    list-style: none;
    user-select: none;
    transition: var(--transition-smooth);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

summary.anmeldung::-webkit-details-marker {
    display: none;
}

summary.anmeldung:hover {
    background: var(--surface-glass-hover);
    border-color: var(--border-glass-hover);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
}

details[open] summary.anmeldung {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}


.dropdown-content {
    position: absolute;
    right: 0;
    top: calc(100% + 14px);
    width: 300px;
    background: rgba(18, 18, 22, 0.82);
    backdrop-filter: blur(35px) saturate(180%);
    -webkit-backdrop-filter: blur(35px) saturate(180%);
    border: 1px solid var(--border-glass-hover);
    border-radius: 18px;
    padding: 22px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7), inset 0 1px 1px rgba(255, 255, 255, 0.15);
    z-index: 1002;
    color: var(--text-primary);
}


details[open] .dropdown-content {
    animation: dropdownSlideIn 0.75s cubic-bezier(0.16, 1, 0.3, 1) downwards;
}


.dropdown-content table {
    width: 100%;
    background: transparent !important;
    border-collapse: collapse;
}

.dropdown-content h2 {
    margin: 0 0 15px 0;
    font-size: 19px;
    font-weight: 600;
    color: var(--text-primary);
}

.dropdown-content td {
    padding: 6px 0;
    color: var(--text-primary);
    font-size: 13px;
}

.dropdown-content td.text4 {
    color: var(--text-secondary);
    font-weight: 500;
}


.dropdown-content input[type="text"],
.dropdown-content input[type="password"] {
    width: 100%;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-glass);
    border-radius: 8px;
    padding: 8px 12px;
    color: var(--text-primary);
    font-size: 13px;
    box-sizing: border-box;
    transition: var(--transition-smooth);
}

.dropdown-content input[type="text"]:focus,
.dropdown-content input[type="password"]:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.1);
}


.dropdown-content input[type="submit"]{
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-glass);
    border-radius: 8px;
    color: var(--text-primary);
    padding: 8px 16px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    margin: 6px 2px 2px 2px;
}

.dropdown-content input[type="submit"]:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-1px);
}


.dropdown-content .sub-text {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 14px;
    text-align: center;
}

.dropdown-content .sub-text a {
    color: #38bdf8;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-smooth);
}

.dropdown-content .sub-text a:hover {
    text-decoration: underline;
    color: #7dd3fc;
}

.dropdown-content .cookie-notice {
    font-size: 10px;
    color: var(--text-secondary);
    opacity: 0.7;
    line-height: 1.4;
    text-align: center;
}

.dropdown-content .konto-navigation a {
    display: inline-flex;
    align-items: center;
    margin-left: 30px;
    gap: 2px;
    color: var(--text-primary);
    font-size: 1.15rem;
    font-weight: 500;
    cursor: pointer;
    list-style: none;
    user-select: none;
    text-decoration: none;
    transition: var(--transition-smooth);
    padding-bottom: 15px;
    
    position: relative; 
}


.dropdown-content .konto-navigation a::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    
    /* Linie zwischen Navigationspunkten */
    width: 240px;                         
    height: 1.5px;                       
    background-color: var(--border-glass);
}

.dropdown-content .konto-navigation a:hover {
    text-shadow: 0 8px 25px rgba(0, 0, 0, 0.862);
    blur: 0.1px;
}
/*    'Header-Ende'     */

/*    'Info_Reiter-Start'   */
.tab-container {
    width: 100%;
    max-width: 1000px;
    margin: 60px auto;
    padding: 0 20px;
    box-sizing: border-box;
}

input[type="radio"].tab-switch {
    display: none;
}

.tab-nav {
    display: flex;
    background: var(--surface-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: 14px;
    padding: 6px;
    margin: 0 auto 30px auto;
    max-width: 520px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.4);
}

.tab-label {
    flex: 1;
    padding: 12px 18px;
    text-align: center;
    font-weight: 500;
    font-size: 14px;
    color: var(--text-secondary);
    border-radius: 10px;
    transition: var(--transition-smooth);
    background: transparent;
    margin: 0;
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.tab-label::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(255,255,255,0.15) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.tab-label:hover {
    color: var(--text-primary);
    background: rgba(70, 70, 70, 0.1);
    border-color: var(--border-glass-hover);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.3), inset 0 0 15px rgba(255,255,255,0.08);
    transform: scale(0.9);
}

.tab-label:hover::before {
    opacity: 1;
}

@keyframes smoothFadeIn {
    0% {
        opacity: 0;
        transform: translateY(20px) scale(0.98);
        filter: blur(6px);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
        filter: blur(0);
    }
}

.tab-content {
    display: none; 
    padding: 45px;
    border-radius: 20px;
    background: var(--surface-glass);
    backdrop-filter: blur(35px);
    -webkit-backdrop-filter: blur(35px);
    border: 1px solid var(--border-glass);
    box-shadow: 0 25px 60px rgba(0,0,0,0.6);
    min-height: 300px; 
    position: relative;
    z-index: 1;
}

#tab1:checked ~ .tab-nav label[for="tab1"],
#tab2:checked ~ .tab-nav label[for="tab2"],
#tab3:checked ~ .tab-nav label[for="tab3"] { 
    background: rgba(255, 255, 255, 0.12);
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3), inset 0 0 15px rgba(255, 255, 255, 0.1);
    transform: scale(1.07);
}

#tab1:checked ~ .content-rot,
#tab2:checked ~ .content-gruen,
#tab3:checked ~ .content-blau { 
    display: block; 
    animation: smoothFadeIn 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
/*    'Info_Reiter-Ende'    */
/*    'Impressum-Start'     */
.impressum {
    text-align: left;
    padding: 30px 20px;
    background: var(--surface-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-glass);
    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.5;
}

.impressum h2 {
    text-align: center;
    margin: 0 0 25px 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}


.impressum-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.impressum-col {
    display: flex;
    flex-direction: column;
}

.impressum-col h3 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 10px 0;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border-glass);
}

.impressum-col p {
    margin: 0;
    word-break: break-word;
}

.impressum a {
    color: #c8dfe8;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-smooth);
}

.impressum a:hover {
    text-decoration: underline;
    color: #47b8e8;
}

.footer {
    text-align: center;
    padding: 15px 0;
    background: var(--surface-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    color: var(--text-secondary);
    font-size: 12px;
}
/*    'Impressum-Ende'      */

/*     'Registrierung-Start'    */
/* Responsives Layout für schmale Bildschirme */
@media (max-width: 900px) {
    .impressum-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    }
}

.back-arrow {
    position: fixed;
    top: 25px;
    left: 35px;
    z-index: 9999;
    color: #ffffff;
    font-size: 30px;
    font-weight: 1000;
    text-decoration: none;
    background: transparent;
    border: none;
    padding: 5px;
    line-height: 1;
    transition: var(--transition-smooth);
    pointer-events: auto;
}

.back-arrow:hover {
    color: #da1c1cca;
    transform: scale(1.2);
    text-shadow: 0 0 12px rgba(185, 16, 16, 0.545);
}

/* Auf mobilen Geräten etwas kompakter positionieren, damit er nicht im Inhalt klebt */
@media (max-width: 768px) {
    .back-arrow {
        top: 15px;
        left: 15px;
        font-size: 20px;
    }
}

/* --- Registrierung (Glasoptik & exaktes Grid-Layout) --- */
.error {
    color: #ef4444;
    font-size: 14px;
    display: flex;
    justify-content: center;
    width: 100%;
    max-width: 650px;
    box-sizing: border-box;
    padding: 0 0 16px;
}

.error:empty {
    display: none;
}

.success-message {
    color: #92d7acd3;
    font-size: 14px;
    display: flex;
    justify-content: center;
    width: 100%;
    max-width: 650px;
    box-sizing: border-box;
    padding: 0 0 16px;
}

.success-message:empty {
    display: none;
}

.registration-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100dvh;
    padding: 40px 20px 40px 20px;
    box-sizing: border-box;
}

.registration-card {
    width: 100%;
    max-width: 650px;
    background: var(--surface-glass);
    backdrop-filter: blur(35px) saturate(180%);
    -webkit-backdrop-filter: blur(35px) saturate(180%);
    border: 1px solid var(--border-glass);
    border-radius: 24px;
    padding: 45px;
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.7), inset 0 1px 1px rgba(255, 255, 255, 0.15);
    color: var(--text-primary);
    box-sizing: border-box;
}

.registration-card h2 {
    margin: 0 0 30px 0;
    font-size: 24px;
    font-weight: 600;
    text-align: center;
    letter-spacing: 1px;
    background: linear-gradient(135deg, #ffffff 40%, #a0a0a5 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.form-grid {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 16px 20px;
    align-items: center;
}

.form-grid label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    text-align: left;
}

.form-grid input[type="text"],
.form-grid input[type="email"],
.form-grid input[type="password"],
.form-grid select {
    width: 100%;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-glass);
    border-radius: 10px;
    padding: 10px 14px;
    color: var(--text-primary);
    font-size: 14px;
    box-sizing: border-box;
    transition: var(--transition-smooth);
}

.form-grid input[type="text"]:focus,
.form-grid input[type="email"]:focus,
.form-grid input[type="password"]:focus,
.form-grid select:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.4);
}

.form-grid select option {
    background: #121216;
    color: var(--text-primary);
}

.inline-group {
    display: flex;
    gap: 10px;
    width: 100%;
}

.error-message {
    grid-column: 1 / -1;
    color: #ef4444;
    font-size: 12px;
    margin-top: -8px;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 15px;
    margin-top: 35px;
}

.form-actions button,
.form-actions input[type="reset"] {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-glass);
    border-radius: 10px;
    color: var(--text-primary);
    padding: 11px 22px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.form-actions button[type="submit"] {
    background: rgba(112, 32, 32, 0.429);
    border-color: rgba(172, 0, 0, 0.6);
}

.form-actions button[type="submit"]:hover {
    background: rgba(112, 32, 32, 0.429);
    border-color: rgba(172, 0, 0, 0.6);
    box-shadow: 0 8px 25px rgba(248, 56, 56, 0.3);
}

.form-actions button[type="reset"]:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.35);
}
/*    'Registrierung-Ende'      */

/*    'Konto-Start'     */
#links {
    float: left;
    width: 50%;
}


#rechts {
    float: right;
    width: 45%;
}

@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    .form-grid label {
        margin-top: 6px;
    }
    .registration-card {
        padding: 25px;
    }
}
/*    'Konto-Ende'      */