/* HUB LAYOUT STYLES - DARK BRONZE HUD */
.hub-tab {
    display: none;
    animation: fadeInTab 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.hub-tab.active-tab {
    display: block;
}

@keyframes fadeInTab {
    0% { opacity: 0; transform: translateY(15px) scale(0.98); }
    100% { opacity: 1; transform: translateY(0) scale(1); }
}

/* HUB NAV BAR */
.hub-nav-wrap {
    position: relative;
    width: fit-content;
    max-width: 95vw;
    margin: -10px auto 30px auto;
    z-index: 50;
    background: rgba(15, 10, 5, 0.85);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid rgba(251, 191, 36, 0.2);
    border-radius: 9999px;
    padding: 6px 12px;
    display: flex;
    gap: 8px;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}
.hub-nav-wrap::-webkit-scrollbar {
    display: none;
}

.hub-nav-btn {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    padding: 8px 12px;
    border-radius: 999px;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 700;
    font-size: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    border: 1px solid transparent;
}

/* Mobile tooltip (hidden on desktop since labels are shown) */
.hub-nav-btn::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    padding: 4px 10px;
    background: rgba(15, 10, 5, 0.95);
    color: #fbbf24;
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    white-space: nowrap;
    border-radius: 8px;
    border: 1px solid rgba(251, 191, 36, 0.3);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    z-index: 100;
}

/* Small arrow pointing down */
.hub-nav-btn::before {
    content: '';
    position: absolute;
    bottom: calc(100% + 4px);
    left: 50%;
    transform: translateX(-50%);
    border: 4px solid transparent;
    border-top-color: rgba(15, 10, 5, 0.95);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 100;
}

/* Show tooltip on hover */
.hub-nav-btn:hover::after,
.hub-nav-btn:hover::before {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}
.hub-nav-btn:hover::before {
    transform: translateX(-50%);
}

/* Mobile: icon only, no label */
.hub-nav-btn .label {
    display: none;
}

.hub-nav-btn .icon {
    font-size: 22px;
    filter: grayscale(1) opacity(0.5);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.hub-nav-btn .nav-emoji {
    width: 28px;
    height: 28px;
    object-fit: contain;
    flex-shrink: 0;
}

.hub-nav-btn:hover {
    color: rgba(251, 191, 36, 0.8);
    background: rgba(251, 191, 36, 0.05);
}

.hub-nav-btn.active {
    color: #fbbf24;
    background: linear-gradient(180deg, rgba(251, 191, 36, 0.15) 0%, rgba(217, 119, 6, 0.05) 100%);
    border: 1px solid rgba(251, 191, 36, 0.4);
    box-shadow: inset 0 2px 5px rgba(255, 255, 255, 0.1), 0 0 15px rgba(251, 191, 36, 0.2);
    transform: scale(1.05);
}

.hub-nav-btn.active .icon {
    filter: none;
    transform: translateY(-2px) scale(1.2);
    filter: drop-shadow(0 4px 8px rgba(251, 191, 36, 0.6)); /* Fixed drop-shadow lint error */
}

/* DESKTOP NAV RESPONSIVENESS */
@media (min-width: 1024px) {
    .hub-nav-wrap {
        position: relative;
        margin: -20px auto 40px auto;
        padding: 10px 20px;
    }
    .hub-nav-btn {
        flex-direction: row;
        font-size: 10px;
        padding: 8px 16px;
        border-radius: 14px;
    }
    /* Desktop: show labels, hide tooltips */
    .hub-nav-btn .label {
        display: inline;
    }
    /* Desktop: tooltips hidden (labels visible) */
    .hub-nav-btn::after,
    .hub-nav-btn::before {
        display: none !important;
    }
    .hub-nav-btn .icon {
        font-size: 24px;
        margin-right: 6px;
    }
    .hub-nav-btn .nav-emoji {
        width: 28px;
        height: 28px;
    }
}

/* Forge fire particle animation */
@keyframes forge-spark {
    0% { opacity: 0; transform: translateY(0) scale(0.5); }
    20% { opacity: 1; }
    100% { opacity: 0; transform: translateY(-80px) scale(0); }
}

/* Floating gem animation */
@keyframes gem-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Forge button pulse */
@keyframes gem-pulse {
    0%, 100% { box-shadow: 0 6px 25px rgba(217,119,6,0.25), inset 0 1px 0 rgba(255,255,255,0.12); filter: brightness(1); }
    50% { box-shadow: 0 6px 35px rgba(217,119,6,0.35), 0 0 8px rgba(251,191,36,0.15), inset 0 1px 0 rgba(255,255,255,0.12); filter: brightness(1.08); }
}

/* Red notification dot pulse */
@keyframes forge-dot-pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.3); opacity: 0.7; }
}

/* Thin subtle scrollbar for piece tray */
.piece-tray-scroll::-webkit-scrollbar {
    height: 3px;
}
.piece-tray-scroll::-webkit-scrollbar-track {
    background: transparent;
}
.piece-tray-scroll::-webkit-scrollbar-thumb {
    background: rgba(251,191,36,0.15);
    border-radius: 99px;
}
.piece-tray-scroll::-webkit-scrollbar-thumb:hover {
    background: rgba(251,191,36,0.3);
}
.piece-tray-scroll {
    scrollbar-width: thin;
    scrollbar-color: rgba(251,191,36,0.15) transparent;
}

/* Progress bar shimmer for locked forge */
@keyframes forge-progress-shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(200%); }
}