:root {
    --color-primary: #242729;
    --color-secondary: #1fa4c9;
    --color-accent: #e67e22;
    --color-light: #f4e9d8;
    --color-dark: #1a1a1a;
    --color-white: #ffffff;
    --color-shadow-dark: rgba(0,0,0,0.4);
    --color-shadow-light: rgba(255, 255, 255, 0.3);
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    font-family: system-ui, sans-serif;
    background: var(--color-light);
    display: flex;
    flex-direction: column;
    margin: 0;
}

body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 120%;
    background-image: url('/assets/img/logo.jpg');
    background-position: center;
    background-size: 110%;
    opacity: 0.1;
    pointer-events: none;
    z-index: -1;
}

main {
    flex: 1;
    margin: 40px auto;
    padding: 20px;
}

header {
    background: linear-gradient(135deg, #0066a2, #003f63);
    color: var(--color-white);
    padding: 30px;
    text-align: center;
    box-shadow: 0 3px 10px var(--color-shadow-dark);
}

.site-header {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 10px;
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 3px 10px var(--color-shadow-dark);
}

.site-header .highlight {
    color: var(--color-accent);
    /* text-shadow: 0 0 6px var(--color-shadow-light); */
}

.logo {
    height: 80px;
    width: auto;
    padding: 10px;
}

.header-login {
    display: flex;
    align-items: center;
}

.login-form input {
    width: 25%;
    padding: 6px 10px;
    border-radius: 6px;
    border: 1px solid #ccc;
}

.login-form button {
    width: 12%;
    padding: 6px 0;
    background: var(--color-secondary);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

.login-info {
    color: var(--color-white);
    font-weight: 600;
}

.logout-btn {
    margin-left: 25px;
    color: var(--color-accent);
    font-weight: bold;
    text-decoration: none;
}

.error-popup,
.login-popup {
    width: 80%;
    background: var(--color-accent);
    color: var(--color-white);
    padding: 14px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px var(--color-shadow-dark);
    font-weight: 600;
    z-index: 9999;
    animation: fadeOut 4s forwards;
    pointer-events: auto;
}

.login-popup {
    position: fixed;
    top: 40px;
    right: 50px;
}

@keyframes fadeOut {
    0%, 70% { opacity: 1; pointer-events: auto; }
    100% { opacity: 0; pointer-events: none; }
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--color-primary);
    padding: 12px;
    color: var(--color-white);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 20px;
    margin: 0;
    padding: 0;
}

.nav-links a {
    color: var(--color-white);
    text-decoration: none;
    font-weight: 600;
    padding: 6px 10px;
    border-radius: 6px;
}

.nav-links a:hover {
    background: var(--color-primary);
    box-shadow: 0 0 8px var(--color-shadow-light);
}

.nav-links a.active {
    background: var(--color-accent);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 28px;
    color: var(--color-white);
    cursor: pointer;
}

.mobile-login-toggle,
.mobile-login-panel {
    display: none;
}

@media (max-width: 700px) {

    .logo {
        height: 50px;
    }

    .login-panel {
        display: none;
    }

    .mobile-login-toggle {
        display: block;
        font-size: 1.8rem;
        cursor: pointer;
        padding: 0.5rem;
    }

    .mobile-login-panel {
        max-height: 0;
        overflow: hidden;
        background: var(--color-primary);
        padding: 0 1rem;
        border-top: 1px solid #ddd;
        transition: max-height 0.35s ease, padding 0.35s ease;
    }

    .navbar {
        flex-direction: column;
        align-items: stretch;
        position: relative;
    }

    .mobile-login-panel.open {
        max-height: 200px;
        padding: 1rem;
    }

    .header-login {
        position: relative;
        padding-bottom: 10px;
    }

    .nav-toggle {
        display: flex;
        position: absolute;
        /* top: 0; */
        right: 0;
    }
    
    .nav-toggle {
        align-self: flex-end;
    }

    
    .nav-links {
        /* display: none; */
        width: 100%;
        background: var(--color-primary);
        flex-direction: column;
        gap: 0;
        padding: 0;
        margin: 0;
        opacity: 0;
        box-shadow: 0 4px 10px var(--color-shadow-light);

        /* Animation */
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.5s ease, opacity 0.25s ease;
    }

    .nav-links.show {
        /* display: flex; */
        max-height: 600px;
        opacity: 1;
        transition: max-height 0.5s ease, opacity 0.25s ease;
    }

    .nav-links a {
        display: block;
        padding: 14px 20px;
        border-bottom: 1px solid var(--color-shadow-light);
    }
}

.hero {
    padding: 3rem 1.5rem;
    text-align: center;
}

.hero-actions .btn {
    margin: 0 0.5rem;
}

.home-section {
    padding: 2rem 1.5rem;
    border-top: 1px solid var(--color-white);
}

.next-event-card {
    display: flex;
    flex-wrap: nowrap;
    flex-direction: column;
    gap: 1rem;
}

.card,
.termin-card  {
    background: var(--color-light);
    padding: 15px;
    border-radius: 12px;
    box-shadow: 0 4px 12px var(--color-shadow-dark);
    margin-bottom: 20px;
}

/* .termin-card {
    padding: 15px;
    margin: 12px 0;
    border-radius: 12px;
    background: var(--color-light);
    box-shadow: 0 4px 12px var(--color-shadow-dark);
} */

.termin-titel {
    font-size: 1.1em;
    font-weight: bold;
    margin: 10px;
}

.btn {
    display: inline-block;
    padding: 8px 16px;
    background: var(--color-secondary);
    color: var(--color-white);
    border-radius: 6px;
    text-decoration: none;
    transition: 0.2s;
}

.btn-ics {
    display: inline-block;
    margin-top: 6px;
    padding: 6px 10px;
    background: var(--color-secondary);
    color: var(--color-white);
    border-radius: 4px;
    text-decoration: none;
}

.btn-ics:hover {
    background: var(--color-primary);
}

.btn-primary,
.btn-accent,
.btn-secondary,
.btn-light {
    padding: 12px 22px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: 0.2s;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
}
.btn-primary:hover {
    background: var(--color-secondary);
}

.btn-accent {
    background: var(--color-accent);
    color: var(--color-white);
}
.btn-accent:hover {
    background: var(--color-accent);
}

.btn-secondary {
    background: var(--color-secondary);
    color: var(--color-white);
}
.btn-secondary:hover {
    background: var(--color-primary);
}

.btn-light {
    background: var(--color-light);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}
.btn-light:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.kontakt-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.kontakt-form input,
.kontakt-form textarea {
    width: 100%;
    padding: 8px;
    box-sizing: border-box;
}

.success { color: green; }
.error { color: red; }

.user-table {
    width: 100%;
    margin-top: 20px;
    border-collapse: collapse;
    /* border: #1a1a1a solid 1px; */
}

.user-table th,
.user-table td {
    /* border: #1a1a1a solid 1px; */
    padding: 10px;
    text-align: left;
}

footer {
    background: var(--color-primary);
    color: var(--color-white);
    text-align: center;
    padding: 20px;
    margin-top: 40px;
}