/* _________________________________
   CSS-Basis
   __________________________________ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    font-family: 'Montserrat', sans-serif;
    background: #f0f2f5;
    color: #333;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* _________________________________
   CSS-Variablen
   __________________________________ */
:root {

    --primary-red: #e60028;
    --primary-red-dark: #cc0022;
    --white: #ffffff;
    --text-color: #333;
    --error-red: #d32f2f;


    --spacing-none: 0px;
    --spacing-xxs: 2px;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;


    --border-radius: 8px;


    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-dark: rgba(0, 0, 0, 0.15);
}


.hidden {
    display: none !important;
}

/* _________________________________
   Wrapper und Zentrierung
   __________________________________ */
.wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    /*justify-content: center;*/
    min-height: 100vh;
    padding: var(--spacing-lg);
}

/* _________________________________
   Login-Card
   __________________________________ */
.login-card {
    background: var(--white);
    border-radius: var(--border-radius);
    width: 100%;
    max-width: 600px;
    box-shadow: 0 4px 12px var(--shadow-light);
    overflow: hidden;
    position: relative;
    opacity: 0;
    transform: translateY(-20px);
    animation: fadeInSlide 0.6s ease-out forwards;
}

.login-card:hover {
    box-shadow: 0 6px 18px var(--shadow-dark);
    transition: box-shadow 0.3s ease-in-out;
}

.card-header {
    background-color: var(--primary-red);
    padding: var(--spacing-md);
    text-align: center;
}

.card-header h1 {
    color: var(--white);
    font-size: 1.5rem;
    font-weight: bold;
}

/* _________________________________
   Login-Formular
   __________________________________ */
.login-form {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-width: 50%;
}

.input-group {
    position: relative;
    margin-top: var(--spacing-sm);
}

.input-group input {
    width: 100%;
    padding: calc(var(--spacing-md) + var(--spacing-xs)) var(--spacing-md) var(--spacing-xs) calc(var(--spacing-lg) + var(--spacing-xs));
    border: 2px solid #ccc;
    border-radius: var(--border-radius);
    font-size: 1rem;
    color: var(--text-color);
    background: transparent;
    outline: none;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.input-group input:focus,
.input-group input:not(:placeholder-shown) {
    border-color: var(--primary-red);
    box-shadow: 0 0 6px rgba(230, 0, 40, 0.3);
}

.input-group label {
    position: absolute;
    top: 50%;
    left: calc(var(--spacing-lg) + var(--spacing-xs));
    transform: translateY(-50%);
    color: #999;
    font-size: 1rem;
    pointer-events: none;
    transition: all 0.2s ease;
    background: transparent;
}

.input-group input:focus + label,
.input-group input:not(:placeholder-shown) + label {
    top: var(--spacing-xs);
    left: var(--spacing-xs);
    font-size: 0.85rem;
    color: var(--primary-red);
    background: var(--white);
    padding: 0 var(--spacing-xs);
}


.input-group .input-icon {
    position: absolute;
    top: 50%;
    right: var(--spacing-md);
    transform: translateY(-50%);
    color: #999;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}


.input-group input:focus ~ .input-icon,
.input-group input:not(:placeholder-shown) ~ .input-icon {
    color: var(--primary-red);
}


.error-message {
    color: var(--error-red);
    background-color: rgba(211, 47, 47, 0.06);
    border: 1px solid var(--error-red);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm);
    font-size: 0.9rem;
    text-align: center;
}


.btn-login {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-dark));
    border: none;
    border-radius: var(--border-radius);
    color: var(--white);
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: transform 0.2s ease;
}

.btn-login:hover {
    transform: translateY(-2px);
}
.btn-login:active {
    transform: scale(0.98);
}

.btn-login::after {
    content: "";
    position: absolute;
    background: rgba(255, 255, 255, 0.3);
    width: 0;
    height: 0;
    border-radius: 50%;
    opacity: 0;
    transition: width 0.4s ease, height 0.4s ease, opacity 0.8s ease;
}
.btn-login:focus::after {
    width: 200px;
    height: 200px;
    top: -80px;
    left: calc(50% - 100px);
    opacity: 1;
    transition: 0s;
}

.login_signet img{
    width: 300px;
    margin-top: -285px;
    overflow: hidden;
    position: absolute;
    right: 10px;
}

/* _________________________________
   Fade-In / Fade-Out Animationen
   __________________________________ */
@keyframes fadeInSlide {
    0% {
        opacity: 0;
        transform: translateY(-20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeOut {
    0% {
        opacity: 1;
        transform: translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateY(20px);
    }
}

.login-card.fade-out {
    animation: fadeOut 0.4s ease-in forwards;
}

/* _________________________________
   Responsive Anpassungen
   __________________________________ */
@media only screen and (max-width: 480px) {
    .login-card {
        margin: 0 var(--spacing-md);
        width: calc(100% - var(--spacing-lg));
    }
    .input-group input {
        padding: calc(var(--spacing-sm) + var(--spacing-xs)) var(--spacing-sm) var(--spacing-xs) calc(var(--spacing-md) + var(--spacing-xs));
        font-size: 0.95rem;
    }
    .input-group label {
        font-size: 0.95rem;
    }
    .btn-login {
        font-size: 0.95rem;
    }
}