/* ==========================================================================
   NEON FLUX — Base Styles
   Body background, glass panels, text glow, scrollbar, gradient borders
   ========================================================================== */

/* --- Body Background: Cyber Grid --- */
body.neonflux {
    background-color: var(--bg-color);
    background-image:
        radial-gradient(circle at 15% 50%, rgba(0, 240, 255, 0.15), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(255, 0, 153, 0.15), transparent 25%),
        linear-gradient(var(--grid-color) 2px, transparent 2px),
        linear-gradient(90deg, var(--grid-color) 2px, transparent 2px),
        linear-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 100px 100px, 100px 100px, 20px 20px, 20px 20px;
    background-position: -2px -2px, -2px -2px, -1px -1px, -1px -1px;
}

/* --- Glass Panel --- */
.glass-panel {
    background: var(--surface-color);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
}

.glass-panel:hover {
    border-color: rgba(255, 255, 255, 0.15);
}

/* --- Text Glow --- */
.text-glow {
    text-shadow: 0 0 10px rgba(0, 240, 255, 0.7);
}

/* --- Gradient Border --- */
.border-gradient {
    position: relative;
    background: rgba(30, 35, 60, 0.6);
    background-clip: padding-box;
    border: 2px solid transparent;
    border-radius: 1rem;
}

.border-gradient::before {
    content: '';
    position: absolute;
    top: 0; right: 0; bottom: 0; left: 0;
    z-index: -1;
    margin: -2px;
    border-radius: inherit;
    background: linear-gradient(to right, #00f0ff, #ff0099);
}

/* --- Custom Scrollbar --- */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 240, 255, 0.3);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 240, 255, 0.6);
}

/* --- Premium Glass Classes --- */
.glass-premium {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

.glass-card-premium {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card-premium:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(0, 240, 255, 0.3);
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.2);
    transform: translateY(-4px);
}

/* --- Animations --- */
@keyframes shine-sweep {
    0% { transform: translateX(-100%) skewX(-15deg); }
    50% { transform: translateX(100%) skewX(-15deg); }
    100% { transform: translateX(100%) skewX(-15deg); }
}

.animate-shine {
    position: relative;
    overflow: hidden;
}

.animate-shine::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 200%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    transform: translateX(-100%) skewX(-15deg);
}

.animate-shine:hover::after {
    animation: shine-sweep 1s ease-in-out;
}