/* login.css */

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f2f2f2;
    color: #222;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.login-container {
    background: #fff;
    padding: 30px 25px;
    border-radius: 6px;
    box-shadow: 0 0 10px rgba(0,0,0,0.15);
    width: 300px;
    text-align: center;

    /* --- nové pro centrování --- */
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

h2 {
    margin-bottom: 15px;
}

label {
    display: block;
    text-align: left;
    margin-top: 10px;
    font-size: 14px;
}

input {
    width: 100%;
    padding: 8px;
    margin-top: 4px;
    border-radius: 4px;
    border: 1px solid #ccc;
}

button {
    width: 100%;
    padding: 10px;
    margin-top: 15px;
    border: none;
    border-radius: 4px;
    background: #0074d9;
    color: #fff;
    cursor: pointer;
}

button:hover {
    background: #005fa3;
}

button.btn-disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.error {
    background: #ffd0d0;
    border: 1px solid #c00;
    color: #900;
    padding: 6px 8px;
    margin-bottom: 10px;
    border-radius: 4px;
}

/* Přepínač motivu */
.theme-btn {
    margin-top: 10px;
    width: auto;
    padding: 6px 10px;
}

/* DARK MODE */
body.dark {
    background: #181818;
    color: #eee;
}

body.dark .login-container {
    background: #222;
    color: #eee;
}

body.dark input {
    background: #333;
    border: 1px solid #555;
    color: #fff;
}

body.dark button {
    background: #0094ff;
}