html, body {
    height: 100%;
    margin: 0;
    font-family: 'Inter', sans-serif;
}

.login-page-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
    box-sizing: border-box;
}

.login-box {
    width: 100%;
    max-width: 400px;
    padding: 40px;
    border-radius: 12px;
    animation: fade-in-up 0.5s ease-out;
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.logo-container {
    text-align: center;
    margin-bottom: 25px;
}

.logo-container img {
    max-width: 180px;
    height: auto;
}

.login-box h2 {
    font-size: 1.8em;
    font-weight: 600;
    text-align: center;
    margin: 0 0 25px 0;
}

.alert-danger {
    padding: 12px 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
    font-size: 0.95em;
    border: 1px solid;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
    font-size: 0.9em;
}

.input-icon-wrapper {
    position: relative;
}

.input-icon-wrapper i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1em;
}

.form-group input {
    width: 100%;
    padding: 12px 12px 12px 40px;
    border-radius: 8px;
    border: 1px solid;
    font-size: 1em;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.form-group input:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--primary-color-trans, rgba(229, 9, 20, 0.2));
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    font-size: 0.9em;
}

.form-options a {
    text-decoration: none;
    transition: color 0.2s ease;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
}

.submit-btn {
    width: 100%;
    padding: 14px;
    font-size: 1.1em;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    color: #fff;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    opacity: 0.9;
}

.signup-link {
    text-align: center;
    margin-top: 25px;
    font-size: 0.95em;
}

.signup-link a {
    font-weight: 600;
    text-decoration: none;
}

body.light-mode .login-page-wrapper { background: #f0f2f5; }
body.light-mode .login-box { background-color: #fff; box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08); }
body.light-mode .login-box h2 { color: #212529; }
body.light-mode .alert-danger { background-color: #f8d7da; color: #721c24; border-color: #f5c6cb; }
body.light-mode .form-group label { color: #495057; }
body.light-mode .input-icon-wrapper i { color: #6c757d; }
body.light-mode .form-group input { background-color: #f8f9fa; border-color: #ced4da; color: #495057; }
body.light-mode .form-group input:focus { border-color: var(--primary-color, #e50914); }
body.light-mode .form-options { color: #495057; }
body.light-mode .form-options a { color: var(--primary-color, #e50914); }
body.light-mode .submit-btn { background-color: var(--primary-color, #e50914); }
body.light-mode .signup-link { color: #495057; }
body.light-mode .signup-link a { color: var(--primary-color, #e50914); }


body.dark-mode .login-page-wrapper { background: #121212; }
body.dark-mode .login-box { background-color: #1c1c1c; border: 1px solid #2a2a2a; }
body.dark-mode .login-box h2 { color: #f8f9fa; }
body.dark-mode .alert-danger { background-color: rgba(220, 53, 69, 0.2); color: #f8d7da; border-color: rgba(220, 53, 69, 0.5); }
body.dark-mode .form-group label { color: #ced4da; }
body.dark-mode .input-icon-wrapper i { color: #6c757d; }
body.dark-mode .form-group input { background-color: #252525; border-color: #444; color: #f0f0f0; }
body.dark-mode .form-group input:focus { border-color: var(--primary-color, #e50914); }
body.dark-mode .form-options { color: #ced4da; }
body.dark-mode .form-options a { color: #f0f0f0; }
body.dark-mode .form-options a:hover { color: #fff; }
body.dark-mode .submit-btn { background-color: var(--primary-color, #e50914); }
body.dark-mode .signup-link { color: #adb5bd; }
body.dark-mode .signup-link a { color: #fff; }