:root {
    --text-main: #fff;
    --text-sub: #E0E0E0;
    --text-muted: #A0A0A0;
    --text-main-grey: #333;

    --glass-bg: rgba(20, 20, 20, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);

    --button-bg: #94B4C1;

    --success: #00E676;
    --loading: #FFEA00;
}

* {
    box-sizing: inherit;
    padding: 0;
    margin: 0;
}

html {
    font-size: 62.5%;
    line-height: 1.6rem;
    font-family: 'Be Vietnam Pro', sans-serif;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: 'Be Vietnam Pro', sans-serif;
    font-size: 1.6rem;
    line-height: 1.6rem;

    display: flex;
    flex-direction: column;

    min-height: 100vh;

    overflow-y: auto;
    overflow-x: hidden;
}

html, body {
    height: 100%;
    padding: 0;
    margin: 0;
    overflow-x: hidden; 
}

/* Button */
.button {
    padding: 16px 32px;
    margin-top: 18px;

    color: var(--text-main);
    
    border: none;

    font-size: 1.4rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;

    border-radius: 50px;
    cursor: pointer;

    transition: all 0.3s ease;
}

.button:hover {
    transform: translateY(-3px);
    
    box-shadow: 0 8px 25px rgba(108, 99, 255, 0.6);
    
    filter: brightness(1.1); 
}

/* Auth Form */
.auth-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;

    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);

    display: none;
    justify-content: center;
    align-items: center;
    z-index: 5;

}

.auth-card {
    position: relative;

    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 40px;
    border-radius: 20px;

    width: 100%;
    max-width: 400px;
    max-height: 600px;

    box-shadow: 0 15px 35px rgba(0,0,0,0.5);

    z-index: 6;
}

.auth-card__close {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 2rem;
    color: #fff;
    cursor: pointer;
    transition: 0.3s;
}

.auth-card__close:hover {
    color: #ff0080;
    transform: rotate(90deg);
}

.auth-card__title {
    font-size: 2.4rem;
    color: #fff;
    text-align: center;
    margin-bottom: 30px;
    font-weight: 700;
    text-transform: uppercase;
}

.auth-card__group {
    display: flex;
    flex-direction: column;
}

.auth-card__heading {
    color: var(--text-sub);
}

.auth-card__input {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: #fff;
    transition: 0.3s;

    padding: 12px 15px;
    margin: 10px 0 15px;
}

.auth-card__input:focus {
    outline: none;
    border-color: #ff0080;
    background: rgba(255, 255, 255, 0.1);
}

.auth-card__button {
    width: 100%;
    max-width: 300px;

    margin: 10px 0 10px;

    background-color: var(--button-bg);

    box-shadow: 0 4px 15px rgba(108, 99, 255, 0.3);
}

.auth-card__switch {
    margin-top: 20px;
    color: #ccc;
    text-align: center;
    font-size: 1.4rem;
}

.auth-card__switch a {
    color: #ff0080;
    text-decoration: none;
    font-weight: 600;
    margin-left: 5px;
    transition: all 0.3s ease;
}

.auth-card__switch a:hover {
    text-decoration: underline;
    filter: brightness(1.2);
    transform: translateY(-2px);
}