:root{
    --darker-blue : #0b1a37;
    --dark-blue : #0B1E36;
    --light-blue : #0e243e;
    --champagne-gold : #c9a84c;
    --accent-rgb : 201, 168, 76;
    --gold-soft : rgba(var(--accent-rgb), 0.15);
    --gold-line : rgba(var(--accent-rgb), 0.35);
    --error-red : #c0392b;
    --error-rgb : 192, 57, 43;
    --text-rgb : 255, 255, 255;
}

.auth_modal_overlay{
    position: fixed;
    inset: 0;
    z-index: 10000;

    background-color: rgba(4, 9, 20, 0.6);
    backdrop-filter: blur(6px) saturate(1.1);
    -webkit-backdrop-filter: blur(6px) saturate(1.1);

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 1rem;

    opacity: 1;
    transition: opacity 150ms ease;
}
.auth_modal_overlay.is_hidden{
    display: none;
}

@keyframes authModalRise{
    from{
        opacity: 0;
        transform: translateY(10px) scale(0.97);
    }
    to{
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}
@media (prefers-reduced-motion: reduce){
    .auth_modal_box{ animation: none !important; }
}

.auth_modal_box{
    position: relative;
    width: 100%;
    max-width: 25rem;
    max-height: 80dvh;
    overflow-y: auto;

    background-color: var(--dark-blue);
    border: 1px solid var(--gold-line);
    border-radius: 4px;

    padding: 2.6rem 2.2rem 2.2rem;

    animation: authModalRise 380ms cubic-bezier(0.16, 1, 0.3, 1);
}

.auth_modal_close{
    position: absolute;
    top: 1.1rem;
    right: 1.2rem;

    width: 1.6rem;
    height: 1.6rem;
    display: flex;
    align-items: center;
    justify-content: center;

    color: rgba(var(--text-rgb), 0.45);
    font-size: 0.95rem;
    cursor: pointer;

    border-radius: 50%;
    transition: color 150ms ease, background-color 150ms ease;
}
.auth_modal_close:hover{
    color: rgba(var(--text-rgb), 0.92);
    background-color: rgba(var(--text-rgb), 0.06);
}

.auth_view.is_hidden{
    display: none;
}

.auth_modal_eyebrow{
    color: var(--champagne-gold);
    font-size: 0.72rem;
    letter-spacing: 3px;
    font-weight: 500;
    margin: 0 0 0.5rem;
    opacity: 0.85;
}
.auth_modal_title{
    color: rgba(var(--text-rgb), 0.92);
    font-size: 1.55rem;
    font-weight: 500;
    letter-spacing: 2px;
    line-height: 1.4;

    margin: 0;
}

.auth_modal_subtitle{
    color: rgba(var(--text-rgb), 0.55);
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    line-height: 1.6;

    margin: 0.4rem 0 0.5rem;
}
.auth_modal_subtitle_2{
    color: rgba(var(--text-rgb), 0.55);
    text-shadow: 0 0 2px var(--champagne-gold);
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    line-height: 1.6;

    margin: 0 0 0.5rem;
}

.auth_google_btn{
    width: 100%;
    box-sizing: border-box;

    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;

    padding: 0.75rem 1rem;

    background-color: rgba(var(--text-rgb), 0.03);
    color: rgba(var(--text-rgb), 0.92);

    border: 1px solid rgba(var(--text-rgb), 0.16);
    border-radius: 4px;

    font-size: 0.88rem;
    font-weight: 500;
    letter-spacing: 1px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", sans-serif;

    cursor: pointer;
    transition: border-color 150ms ease, background-color 150ms ease, transform 150ms ease;
}
.auth_google_btn:hover{
    border-color: var(--gold-line);
    background-color: rgba(var(--text-rgb), 0.06);
}
.auth_google_icon{
    width: 1.05rem;
    height: 1.05rem;
    flex-shrink: 0;
}

.auth_divider{
    display: flex;
    align-items: center;

    margin: 1.2rem 0;

    color: rgba(var(--text-rgb), 0.3);
    font-size: 0.72rem;
    letter-spacing: 2px;
}
.auth_divider::before,
.auth_divider::after{
    content: "";
    flex: 1;
    height: 1px;
    background-color: rgba(var(--text-rgb), 0.12);
}
.auth_divider span{
    padding: 0 0.9rem;
}

.auth_field_label{
    display: block;

    color: rgba(var(--text-rgb), 0.45);
    font-size: 0.74rem;
    letter-spacing: 2px;

    margin-bottom: 0.5rem;
}
.auth_input{
    width: 100%;
    box-sizing: border-box;

    background-color: rgba(var(--text-rgb), 0.03);
    color: rgba(var(--text-rgb), 0.92);

    border: none;
    border-bottom: 1px solid rgba(var(--accent-rgb), 0.3);
    border-radius: 2px 2px 0 0;

    padding: 0.65rem 0.7rem;
    margin-bottom: 1.1rem;

    font-size: 0.92rem;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", sans-serif;

    transition: border-color 150ms ease, box-shadow 150ms ease, background-color 150ms ease;
}
.auth_input::placeholder{
    color: rgba(var(--text-rgb), 0.28);
}
.auth_input:focus{
    outline: none;
    background-color: rgba(var(--accent-rgb), 0.05);
}

.auth_error_text{
    min-height: 1.1rem;
    margin: -0.3rem 0 0.9rem;

    color: var(--error-red);
    font-size: 0.8rem;
    letter-spacing: 0.5px;
}

.auth_submit_btn{
    width: 100%;
    box-sizing: border-box;

    padding: 0.8rem 1rem;
    margin-top: 0.3rem;

    background-color: var(--champagne-gold);
    color: var(--darker-blue);

    border: 1px solid var(--champagne-gold);
    border-radius: 3px;

    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 2px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", sans-serif;

    cursor: pointer;
    box-shadow: 0 6px 18px rgba(var(--accent-rgb), 0.18);
    transition: all 200ms ease;
}

.auth_secondary_btn{
    width: 100%;
    box-sizing: border-box;

    padding: 0.7rem 1rem;
    margin-top: 0.8rem;

    background-color: transparent;
    color: rgba(var(--text-rgb), 0.55);

    border: 1px solid rgba(var(--text-rgb), 0.18);
    border-radius: 3px;

    font-size: 0.88rem;
    letter-spacing: 1px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", sans-serif;

    cursor: pointer;
    transition: all 150ms ease;
}
.auth_secondary_btn:hover{
    border-color: var(--gold-line);
    color: var(--champagne-gold);
}

.auth_switch_text{
    margin: 1.4rem 0 0;
    text-align: center;

    color: rgba(var(--text-rgb), 0.42);
    font-size: 0.8rem;
    letter-spacing: 0.5px;
}
.auth_switch_link{
    color: var(--champagne-gold);
    cursor: pointer;
    text-decoration: none;
    border-bottom: 1px solid var(--gold-line);
    padding-bottom: 1px;
    transition: border-color 150ms ease;
}

.auth_inherit_stats{
    background-color: rgba(var(--text-rgb), 0.02);
    border: 1px solid var(--gold-line);
    border-radius: 3px;

    padding: 1rem 1.2rem;
    margin-bottom: 1.4rem;
}
.auth_inherit_row{
    display: flex;
    justify-content: space-between;

    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(var(--accent-rgb), 0.12);

    color: rgba(var(--text-rgb), 0.65);
    font-size: 0.86rem;
    letter-spacing: 0.5px;
}
.auth_inherit_row:last-child{
    border-bottom: none;
}
.auth_inherit_value{
    color: var(--champagne-gold);
    font-weight: 500;
    font-family: "Noto Serif TC", serif;
}

.auth_loading_text{
    text-align: center;
    color: rgba(var(--text-rgb), 0.6);
    font-family: "Noto Serif TC", serif;
    font-size: 1rem;
    letter-spacing: 3px;
    padding: 2.4rem 0;
}

#auth_nav_item{
    white-space: nowrap;
    color: black;
}
.auth_nav_name{
    margin-right: 0.8rem;
    font-weight: 500;
}
.auth_nav_logout{
    opacity: 0.65;
}
.auth_nav_logout:hover{
    opacity: 1;
}

.auth_toast{
    position: fixed;
    left: 50%;
    bottom: 2rem;
    transform: translateX(-50%) translateY(0.6rem);
    z-index: 10020;

    background-color: var(--dark-blue);
    color: rgba(var(--text-rgb), 0.92);

    border: 1px solid var(--champagne-gold);
    border-radius: 2px;

    padding: 0.7rem 1.4rem;

    font-size: 0.9rem;
    letter-spacing: 1px;

    opacity: 0;
    pointer-events: none;

    transition: opacity 220ms ease, transform 220ms ease;
}
.auth_toast.auth_toast_show{
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}