* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Poppins", sans-serif;
}

body {
    min-height: 100vh;
    background: linear-gradient(to right, #e2e2e2, #c9d6ff);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
}

.container {
    background: rgba(255, 255, 255, 0.8);
    width: 100%;
    max-width: 420px;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.form-title {
    font-size: 1.6rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 1.5rem;
}

form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.input-group {
    position: relative;
}

.input-group i {
    position: absolute;
    top: 50%;
    left: 0.8rem;
    transform: translateY(-50%);
    color: #666;
    font-size: 1rem;
}

input {
    width: 100%;
    padding: 0.75rem 0.75rem 0.75rem 2.5rem;
    border: none;
    border-bottom: 1px solid #aaa;
    background: transparent;
    font-size: 1rem;
    color: #333;
}

input:focus {
    outline: none;
    border-bottom: 1px solid #555;
}

input::placeholder {
    color: transparent;
}

label {
    position: absolute;
    top: 0.9rem;
    left: 2.5rem;
    color: #aaa;
    font-size: 0.95rem;
    pointer-events: none;
    transition: all 0.3s ease;
}

input:focus ~ label,
input:not(:placeholder-shown) ~ label {
    top: -0.5rem;
    left: 2.3rem;
    font-size: 0.75rem;
    color: #555;
    background-color: white;
    padding: 0 0.2rem;
}

.recover {
    text-align: right;
    font-size: 0.9rem;
}

.recover a {
    color: #7d7deb;
    text-decoration: none;
}

.recover a:hover {
    color: blue;
    text-decoration: underline;
}

button {
    padding: 0.8rem;
    font-size: 1rem;
    background-color: #7d7deb;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #07001f;
}

.or {
    text-align: center;
    margin-top: 0.8rem;
    color: #333;
    font-size: 0.95rem;
}

.icons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 0.8rem;
}

.icons i {
    font-size: 1.5rem;
    padding: 0.6rem;
    border-radius: 50%;
    border: 2px solid #dfe9f5;
    color: #7d7deb;
    transition: all 0.3s;
    cursor: pointer;
}

.icons i:hover {
    background-color: #07001f;
    color: white;
    border-color: #7d7deb;
}

.links {
    display: flex;
    justify-content: space-between;
    font-size: 0.95rem;
    margin-top: 1.5rem;
}

#signUpButton, #signInButton {
    background: none;
    border: none;
    color: #7d7deb;
    font-weight: bold;
    cursor: pointer;
}

#signUpButton:hover, #signInButton:hover {
    color: blue;
    text-decoration: underline;
}

.messageDiv {
    background-color: hsl(327, 90%, 28%);
    color: white;
    padding: 10px 20px;
    margin-top: 10px;
    border-radius: 5px;
    font-size: 1rem;
    animation: fadeOut 7s forwards;
    opacity: 1;
}

@keyframes fadeOut {
    0%, 80% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        display: none;
    }
}

/* Responsive */
@media (max-width: 500px) {
    .container {
        padding: 1.2rem;
        border-radius: 10px;
    }

    input {
        padding-left: 2.2rem;
    }

    label {
        left: 2.2rem;
    }

    .icons i {
        font-size: 1.3rem;
        padding: 0.5rem;
    }
}