body {
    background: #f4f6fb;
    color: #222;
}

.login-section {
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 4px 24px #0001;
    max-width: 400px;
    margin: 8rem auto 0 auto;
    padding: 2.5rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.login-section h2 {
    color: #284071;
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 2rem;
    text-align: center;
}

#loginForm {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 1.2em;
}

#loginForm input {
    padding: 0.8em 1em;
    border-radius: 14px;
    border: 1px solid #e3e8f0;
    background: #f7f9fc;
    font-size: 1.1em;
    color: #284071;
    transition: border-color 0.2s, background 0.2s;
}

#loginForm input:focus {
    border-color: #2980b9;
    background: #eaf1fb;
    outline: none;
}

#loginForm button {
    background: #f7f9fc;
    color: #284071;
    border-radius: 14px;
    border: 1px solid #e3e8f0;
    font-size: 1.1em;
    font-weight: 500;
    padding: 0.8em 0;
    box-shadow: 0 2px 8px #0001;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
}

#loginForm button:hover {
    background: #eaf1fb;
    border-color: #b6c7e6;
    color: #1a2947;
}

#loginError {
    color: #d32f2f;
    margin-top: 1em;
    text-align: center;
    font-weight: 500;
    display: none;
}

/* --- DARK MODE --- */
body.dark-mode {
    background: #121212;
    color: #f5f5f5;
}

body.dark-mode .login-section {
    background: #1e1e1e;
    box-shadow: 0 4px 24px #0005;
}

body.dark-mode #loginForm input {
    background: #252525;
    color: #e0e0e0;
    border-color: #333;
}

body.dark-mode #loginForm input:focus {
    background: #333;
    border-color: #90caf9;
}

body.dark-mode #loginForm button {
    background: #252525;
    color: #90caf9;
    border-color: #333;
}

body.dark-mode #loginForm button:hover {
    background: #333;
    color: #fff;
    border-color: #555;
}

body.dark-mode #loginError {
    color: #ff6b6b;
}

.login-btn {
    background: linear-gradient(90deg, #6dd5fa 60%, #2980b9 100%);
    color: #fff;
    border-radius: 14px;
    border: none;
    font-size: 1.1em;
    font-weight: 600;
    padding: 0.8em 0;
    box-shadow: 0 2px 8px #2980b940;
    cursor: pointer;
    transition: background 0.3s, box-shadow 0.3s, color 0.3s;
    width: 100%;
    margin-top: 0.5em;
}

.login-btn:hover {
    background: linear-gradient(90deg, #2980b9 60%, #1a2947 100%);
    color: #ffd700;
    box-shadow: 0 4px 16px #2980b980;
}

/* Dark Mode für Login-Button */
body.dark-mode .login-btn {
    background: linear-gradient(90deg, #252525 60%, #333 100%);
    color: #90caf9;
    box-shadow: 0 2px 8px #0005;
}

body.dark-mode .login-btn:hover {
    background: linear-gradient(90deg, #333 60%, #252525 100%);
    color: #fff;
    box-shadow: 0 4px 16px #0008;
}