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

:root {
    --primary_bg: rgb(245, 245, 245);
    --color: #2C3E50;
    --accent: #3498DB;
    --input_bg: rgba(255, 255, 255, 0.3);
    --button_bg: rgba(52, 152, 219, 0.8);
    --button_hover: rgba(52, 152, 219, 1);
}

.dark {
    transition: background-color 0.5s ease;
    --primary_bg: #273746;
    --color: #ecf0f1;
    --input_bg: rgba(255, 255, 255, 0.1);
    --button_bg: rgba(52, 152, 219, 0.6);
    --button_hover: rgba(52, 152, 219, 0.9);
}

section {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100vh;
    transition: background-color 0.5s ease;
    background: var(--primary_bg);
    background-size: cover;
    background-position: center;
}

.below_content {
    display: flex;
    align-items: center;
}

.below_content i {
    background-color: var(--accent);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.6rem;
    margin: 0 0.5rem;
    color: var(--primary_bg);
    border-radius: 10%;
    transition: 0.3s;
}

.below_content i:hover {
    opacity: 0.8;
}

.login-box {
    position: relative;
    width: 400px;
    max-width: 90%;
    height: auto;
    padding: 40px 30px;
    background: transparent;
    border: 2px solid var(--accent);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(15px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.login-box:hover {
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.3);
}

h2 {
    font-size: 2.2em;
    color: var(--color);
    text-align: center;
    margin-bottom: 25px;
}

.input-box {
    position: relative;
    width: 100%;
    margin: 20px 0;
    border-bottom: 2px solid var(--accent);
    transition: all 0.3s ease;
}

.input-box label {
    position: absolute;
    top: 50%;
    left: 5px;
    transform: translateY(-50%);
    font-size: 1em;
    color: var(--color);
    pointer-events: none;
    transition: .3s;
}

.input-box input:focus ~ label,
.input-box input:not(:placeholder-shown) ~ label {
    top: -10px;
    font-size: 0.9em;
    color: var(--accent);
}

.input-box input {
    width: 100%;
    height: 50px;
    background: var(--input_bg);
    border: none;
    outline: none;
    font-size: 1em;
    color: var(--color);
    padding: 0 35px 0 5px;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.input-box input:focus {
    background: rgba(255, 255, 255, 0.25);
}

.input-box .icon {
    position: absolute;
    right: 10px;
    color: var(--color);
    font-size: 1.2em;
    line-height: 57px;
}

.remember-forget {
    margin: 10px 0 20px;
    font-size: 0.9em;
    color: var(--color);
    display: flex;
    justify-content: space-between;
}

.remember-forget a {
    color: var(--accent);
    text-decoration: none;
    transition: 0.3s;
}

.remember-forget a:hover {
    text-decoration: underline;
}

button {
    width: 100%;
    height: 45px;
    background: var(--button_bg);
    border: none;
    outline: none;
    border-radius: 12px;
    cursor: pointer;
    font-size: 1em;
    color: #fff;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

button:hover {
    background: var(--button_hover);
    transform: translateY(-2px);
}

.register-link {
    font-size: 0.9em;
    color: var(--color);
    text-align: center;
    margin: 20px 0 10px;
}

.register-link p a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}

.register-link p a:hover {
    text-decoration: underline;
}

@media (max-width: 360px) {
    .login-box {
        width: 100%;
        height: auto;
        border-radius: 0;
        padding: 30px 20px;
    }
}

select {
    outline: none;
    border-radius: 5px;
    background: var(--input_bg);
    width: 80px;
    height: 30px;
    text-align: center;
    margin-top: 10px;
    margin-left: 120px;
    display: flex;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

select:hover {
    background: rgba(255, 255, 255, 0.35);
}