/* Blue Buff — full-page gaming loader */

.bb-page-loader {
    --bb-loader-bg: #060a14;
    --bb-loader-blue: #4d74ff;
    --bb-loader-gold: #ffcb03;
    --bb-loader-glow: rgba(77, 116, 255, 0.45);
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: grid;
    place-items: center;
    background: var(--bb-loader-bg);
    overflow: hidden;
    transition: opacity 0.45s ease, visibility 0.45s ease;
}

.bb-page-loader.is-done {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.bb-page-loader__grid {
    position: absolute;
    inset: -20%;
    background-image:
        linear-gradient(rgba(77, 116, 255, 0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(77, 116, 255, 0.07) 1px, transparent 1px);
    background-size: 48px 48px;
    transform: perspective(600px) rotateX(58deg);
    transform-origin: center top;
    animation: bb-loader-grid 8s linear infinite;
    mask-image: radial-gradient(ellipse 70% 55% at 50% 35%, #000 20%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 70% 55% at 50% 35%, #000 20%, transparent 75%);
    pointer-events: none;
}

.bb-page-loader__glow {
    position: absolute;
    width: min(520px, 90vw);
    height: min(520px, 90vw);
    border-radius: 50%;
    background: radial-gradient(circle, var(--bb-loader-glow), transparent 68%);
    filter: blur(8px);
    animation: bb-loader-pulse 2.4s ease-in-out infinite;
    pointer-events: none;
}

.bb-page-loader__core {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
    padding: 24px;
    text-align: center;
}

.bb-page-loader__hex {
    position: relative;
    width: 88px;
    height: 96px;
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    background:
        linear-gradient(160deg, rgba(77, 116, 255, 0.95), rgba(11, 54, 106, 0.95) 55%, rgba(18, 12, 40, 0.98));
    box-shadow:
        0 0 0 1px rgba(255, 203, 3, 0.35),
        0 0 40px rgba(77, 116, 255, 0.45);
    display: grid;
    place-items: center;
    animation: bb-loader-hex 2.2s ease-in-out infinite;
}

.bb-page-loader__hex::before {
    content: '';
    position: absolute;
    inset: 3px;
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.14), transparent 40%, rgba(0, 0, 0, 0.35));
    pointer-events: none;
}

.bb-page-loader__hex::after {
    content: '';
    position: absolute;
    left: 12%;
    right: 12%;
    height: 2px;
    top: 0;
    background: linear-gradient(90deg, transparent, #fff, var(--bb-loader-gold), transparent);
    animation: bb-loader-scan 1.6s ease-in-out infinite;
    opacity: 0.85;
}

.bb-page-loader__bolt {
    position: relative;
    z-index: 1;
    width: 28px;
    height: 42px;
    background: var(--bb-loader-gold);
    clip-path: polygon(55% 0%, 18% 52%, 42% 52%, 30% 100%, 82% 42%, 56% 42%);
    filter: drop-shadow(0 0 10px rgba(255, 203, 3, 0.75));
    animation: bb-loader-bolt 1.1s ease-in-out infinite;
}

.bb-page-loader__brand {
    margin: 4px 0 0;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.28em;
    color: #e8eeff;
    text-indent: 0.28em;
}

.bb-page-loader__label {
    margin: 0;
    font-size: 13px;
    font-weight: 400;
    color: rgba(201, 212, 240, 0.72);
}

.bb-page-loader__bar {
    width: min(220px, 62vw);
    height: 4px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    overflow: hidden;
    border: 1px solid rgba(77, 116, 255, 0.28);
}

.bb-page-loader__bar > span {
    display: block;
    height: 100%;
    width: 40%;
    border-radius: inherit;
    background: linear-gradient(90deg, #0d4383, var(--bb-loader-blue), var(--bb-loader-gold));
    box-shadow: 0 0 12px rgba(77, 116, 255, 0.65);
    animation: bb-loader-bar 1.15s ease-in-out infinite;
}

@keyframes bb-loader-grid {
    from { background-position: 0 0, 0 0; }
    to { background-position: 0 48px, 48px 0; }
}

@keyframes bb-loader-pulse {
    0%, 100% { opacity: 0.45; transform: scale(0.92); }
    50% { opacity: 0.85; transform: scale(1.05); }
}

@keyframes bb-loader-hex {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

@keyframes bb-loader-scan {
    0% { top: 10%; opacity: 0; }
    20% { opacity: 0.9; }
    80% { opacity: 0.9; }
    100% { top: 85%; opacity: 0; }
}

@keyframes bb-loader-bolt {
    0%, 100% { transform: scale(1); filter: drop-shadow(0 0 8px rgba(255, 203, 3, 0.55)); }
    50% { transform: scale(1.08); filter: drop-shadow(0 0 16px rgba(255, 203, 3, 0.95)); }
}

@keyframes bb-loader-bar {
    0% { transform: translateX(-120%); }
    100% { transform: translateX(280%); }
}

@media (prefers-reduced-motion: reduce) {
    .bb-page-loader__grid,
    .bb-page-loader__glow,
    .bb-page-loader__hex,
    .bb-page-loader__hex::after,
    .bb-page-loader__bolt,
    .bb-page-loader__bar > span {
        animation: none;
    }

    .bb-page-loader__bar > span {
        width: 70%;
        transform: none;
    }
}

html.bb-loader-active,
html.bb-loader-active body {
    overflow: hidden;
}