.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 99999;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    user-select: none;
    -moz-user-select: none;
    -webkit-user-select: none;
    -ms-user-select: none;
    -khtml-user-select: none;
}

.modal-box {
    background: #fff;
    border: 2px solid var(--border-clr);
    border-radius: var(--radius-box);
    padding: 2rem;
    max-width: 400px;
    width: 100%;
    position: relative;
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.1);
}

.modal-close {
    position: absolute;
    top: 0.6rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.8rem;
    font-weight: bold;
    color: #000;
    cursor: pointer;
}


@media (max-width: 480px) {
    .modal-box {
        padding: 1.5rem 1.2rem;
    }
    .modal-close {
        top: 0.4rem;
        right: 0.6rem;
    }
}

.auth-box {
    display: flex;
    flex-direction: column;
    background: #fff;
    width: 100%;
    margin: 0 auto;
    border-radius: 20px;
}

.auth-title {
    text-align: center;
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.auth-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.auth-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: #111;
}

.auth-input-wrap {
    display: flex;
    align-items: center;
    border: 1.5px solid #ecedec;
    border-radius: 10px;
    padding: 0 10px;
    height: 50px;
    transition: border-color 0.2s ease-in-out;
    position: relative;
}

.auth-input-wrap:focus-within {
    border-color: #8B5CF6;
}

.auth-icon {
    flex-shrink: 0;
    fill: #999;
}

.auth-input {
    flex: 1;
    border: none;
    margin-left: 10px;
    font-size: 1rem;
    height: 100%;
    outline: none;
}

.auth-eye {
    position: absolute;
    right: 10px;
    fill: #444;
    cursor: pointer;
    transition: fill 0.2s;
}
.auth-eye:hover { fill: #000; }

.auth-remember {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    align-items: center;
}

.auth-link {
    color: #8B5CF6;
    cursor: pointer;
    font-weight: 500;
}

.auth-submit {
    background-color: #000;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='250' height='250'><filter id='grain'><feTurbulence type='fractalNoise' baseFrequency='3.6' numOctaves='3' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23grain)' opacity='0.4'/></svg>");
    color: #fff;
    border: none;
    border-radius: 10px;
    height: 50px;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.2s;
}
.auth-submit:hover {
    background-color: #111;
}

.auth-text {
    text-align: center;
    font-size: 0.9rem;
    color: #000;
}

.auth-social {
    display: flex;
    gap: 10px;
}

#facebookLoginBtn i{
    color: #1877F2;
    font-size: 20px;
}
#googleLoginBtn{
    width: 100%;
}
.auth-btn {
    flex: 1;
    border: 1px solid #ecedec;
    border-radius: 10px;
    height: 50px;
    background: #fff;
    color: #111;
    cursor: pointer;
    transition: border 0.2s;
    font-weight: 500;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.auth-btn-icon {
    height: 20px;
    width: 20px;
}

.auth-btn:hover {
    border-color: #8B5CF6;
}

@media (max-width: 480px) {
    .auth-box { padding: 15px; }
}

.auth-input-wrap.invalid {
    border-color: #ff3571;
}

.input-error-msg {
    color: #d90038;
    font-size: 0.98em;
    margin: 5px 0 0 2px;
    min-height: 18px;
    display: block;
    font-weight: 500;
    line-height: 1.5;
}