/* ============================================
   GLASSMORPHISM LOADING STYLES
   Running Light Animation
   ============================================ */

/* Variables now defined in hud-core.css
   --glass-bg, --glass-border, --accent used from :root */

/* ============================================
   GLASS SPINNER - Running Light Style
   ============================================ */
.glass-loader {
    position: relative;
    width: 80px;
    height: 80px;
}

.glass-loader-circle {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(130%);
    -webkit-backdrop-filter: blur(20px) saturate(130%);
    border: 1px solid var(--glass-border);
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.5),
        inset 0 0 20px rgba(0, 217, 255, 0.08),
        0 0 40px var(--glass-glow);
}

/* Rotating light ring */
.glass-loader-ring {
    position: absolute;
    inset: -2px;
    border-radius: 50%;
    background: conic-gradient(
        from 0deg,
        transparent 0deg,
        transparent 270deg,
        var(--light-accent) 300deg,
        var(--light-trail) 330deg,
        transparent 360deg
    );
    animation: glassRotate 1.5s linear infinite;
    filter: blur(2px);
}

@keyframes glassRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Inner glow pulse */
.glass-loader-glow {
    position: absolute;
    inset: 8px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 217, 255, 0.3) 0%, transparent 70%);
    animation: glassPulse 1.5s ease-in-out infinite;
}

@keyframes glassPulse {
    0%, 100% { opacity: 0.3; transform: scale(0.9); }
    50% { opacity: 0.6; transform: scale(1); }
}

/* Light dots running around */
.glass-loader-dots {
    position: absolute;
    inset: 0;
}

.glass-loader-dot {
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--light-accent);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--light-accent), 0 0 20px var(--light-trail);
    top: 50%;
    left: 50%;
    transform-origin: 0 0;
    animation: glassDotOrbit 1.5s linear infinite;
}

.glass-loader-dot:nth-child(1) { animation-delay: 0s; }
.glass-loader-dot:nth-child(2) { animation-delay: 0.375s; }
.glass-loader-dot:nth-child(3) { animation-delay: 0.75s; }
.glass-loader-dot:nth-child(4) { animation-delay: 1.125s; }

@keyframes glassDotOrbit {
    0% {
        transform: rotate(0deg) translateX(35px);
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
    100% {
        transform: rotate(360deg) translateX(35px);
        opacity: 1;
    }
}

/* ============================================
   GLASS LOADING OVERLAY - Full Screen (Brand-First)
   ----------------------------------------------
   Single hero: RESTART wordmark inside a thin
   rotating gold/cyan ring. One ambient scan-line.
   Everything else has been cut for clarity.
   ============================================ */
.glass-overlay {
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse at center,
            rgba(12, 18, 28, 0.92) 0%,
            rgba(2, 4, 8, 0.98) 70%);
    backdrop-filter: blur(14px) saturate(120%);
    -webkit-backdrop-filter: blur(14px) saturate(120%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    opacity: 0;
    pointer-events: none;
    transition:
        opacity 280ms cubic-bezier(0.4, 0, 0.2, 1),
        backdrop-filter 280ms ease;
    overflow: hidden;
    /* Soft inner vignette via box-shadow, no extra DOM. */
    box-shadow: inset 0 0 180px rgba(0, 0, 0, 0.6);
}

.glass-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* Single ambient effect: one thin scan-line traversing the screen.
   Drives the "boot sequence" feel without competing with the brand. */
.glass-overlay::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 200, 100, 0.0) 20%,
        rgba(255, 200, 100, 0.55) 50%,
        rgba(255, 200, 100, 0.0) 80%,
        transparent 100%
    );
    box-shadow: 0 0 14px rgba(255, 200, 100, 0.5);
    animation: overlayScanSweep 2.4s cubic-bezier(0.45, 0, 0.55, 1) infinite;
    pointer-events: none;
    z-index: 1;
}

@keyframes overlayScanSweep {
    0%   { transform: translateY(0);    opacity: 0; }
    8%   {                              opacity: 1; }
    92%  {                              opacity: 1; }
    100% { transform: translateY(100vh); opacity: 0; }
}

/* Content stack — brand hero + status copy. */
.glass-overlay-content {
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 22px;
    /* Subtle entrance: brand rises into place. */
    transform: translateY(8px);
    opacity: 0;
    transition:
        transform 360ms cubic-bezier(0.2, 0.8, 0.2, 1) 60ms,
        opacity 280ms ease 60ms;
}

.glass-overlay.active .glass-overlay-content {
    transform: translateY(0);
    opacity: 1;
}

/* Brand mark: logo + ring + ambient halo. */
.glass-overlay-brand {
    position: relative;
    width: 140px;
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Ambient halo (CSS only, no DOM). */
.glass-overlay-brand::after {
    content: '';
    position: absolute;
    inset: -30%;
    border-radius: 50%;
    background: radial-gradient(circle,
        rgba(255, 200, 100, 0.18) 0%,
        rgba(0, 217, 255, 0.06) 40%,
        transparent 70%);
    animation: brandHaloPulse 2.6s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes brandHaloPulse {
    0%, 100% { opacity: 0.55; transform: scale(0.96); }
    50%      { opacity: 1;    transform: scale(1.04); }
}

/* Thin rotating ring — gold → cyan, the only motion ring. */
.glass-overlay-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: conic-gradient(
        from 0deg,
        transparent 0deg,
        transparent 200deg,
        rgba(0, 217, 255, 0.25) 250deg,
        rgba(255, 200, 100, 0.85) 320deg,
        rgba(255, 230, 180, 1) 350deg,
        transparent 360deg
    );
    /* Carve out interior to leave a thin ring. */
    -webkit-mask: radial-gradient(circle, transparent 56%, #000 58%);
            mask: radial-gradient(circle, transparent 56%, #000 58%);
    animation: brandRingSpin 1.4s linear infinite;
    z-index: 1;
    filter: drop-shadow(0 0 6px rgba(255, 200, 100, 0.4));
}

@keyframes brandRingSpin {
    to { transform: rotate(360deg); }
}

/* The wordmark itself — hero of the screen. */
.glass-overlay-logo {
    position: relative;
    z-index: 2;
    width: 84px;
    height: 84px;
    object-fit: contain;
    /* Subtle HUD glitch: chromatic flicker every ~3s. */
    animation: brandGlitch 3.2s steps(1, end) infinite;
    filter: drop-shadow(0 2px 14px rgba(255, 200, 100, 0.35));
    user-select: none;
    -webkit-user-drag: none;
}

@keyframes brandGlitch {
    0%, 92%, 100% {
        filter: drop-shadow(0 2px 14px rgba(255, 200, 100, 0.35));
        transform: translate(0, 0);
    }
    93% {
        filter:
            drop-shadow(-1px 0 0 rgba(255, 60, 90, 0.6))
            drop-shadow(1px 0 0 rgba(0, 217, 255, 0.6))
            drop-shadow(0 2px 14px rgba(255, 200, 100, 0.4));
        transform: translate(1px, 0);
    }
    95% {
        filter:
            drop-shadow(2px 0 0 rgba(255, 60, 90, 0.55))
            drop-shadow(-2px 0 0 rgba(0, 217, 255, 0.55))
            drop-shadow(0 2px 14px rgba(255, 200, 100, 0.4));
        transform: translate(-1px, 0);
    }
    97% {
        filter: drop-shadow(0 2px 14px rgba(255, 200, 100, 0.5));
        transform: translate(0, 0);
    }
}

/* Status copy block. */
.glass-overlay-text {
    font-family: 'Share Tech Mono', 'Orbitron', monospace;
    font-size: 12px;
    font-weight: 500;
    color: rgba(255, 230, 180, 0.95);
    letter-spacing: 3px;
    text-transform: uppercase;
    text-shadow: 0 0 12px rgba(255, 200, 100, 0.4);
    position: relative;
    z-index: 1;
    min-height: 16px;
    /* Caret feel for boot sequence. */
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: opacity 160ms ease;
}

.glass-overlay-text::before {
    content: '>';
    color: rgba(0, 217, 255, 0.8);
    font-weight: 700;
}

.glass-overlay-text::after {
    content: '';
    display: inline-block;
    width: 7px;
    height: 12px;
    background: rgba(255, 200, 100, 0.85);
    box-shadow: 0 0 6px rgba(255, 200, 100, 0.6);
    animation: bootCaret 0.9s steps(2, end) infinite;
}

@keyframes bootCaret {
    0%, 49%   { opacity: 1; }
    50%, 100% { opacity: 0; }
}

/* Crossfade when status string updates. */
.glass-overlay-text.swap {
    opacity: 0;
}

/* Mobile: 375–430px — keep brand readable without dominating. */
@media (max-width: 480px) {
    .glass-overlay-brand {
        width: 116px;
        height: 116px;
    }
    .glass-overlay-logo {
        width: 68px;
        height: 68px;
    }
    .glass-overlay-text {
        font-size: 11px;
        letter-spacing: 2.5px;
    }
    .glass-overlay-content {
        gap: 18px;
    }
}

/* Reduced motion: flatten to a still brand mark + soft pulse only. */
@media (prefers-reduced-motion: reduce) {
    .glass-overlay,
    .glass-overlay-content {
        transition: opacity 200ms linear;
    }
    .glass-overlay::before,
    .glass-overlay-ring,
    .glass-overlay-text::after {
        animation: none;
    }
    .glass-overlay-ring {
        opacity: 0.5;
    }
    .glass-overlay-brand::after {
        animation: brandHaloPulse 3s ease-in-out infinite;
    }
    .glass-overlay-logo {
        animation: none;
    }
}

/* Larger loader for full screen (legacy inline spinner — preserved
   for any caller still using `.glass-loader` inside the overlay). */
.glass-overlay .glass-loader {
    width: 90px;
    height: 90px;
}

/* ============================================
   GLASS INLINE LOADER - For Buttons
   ============================================ */
.glass-btn-loader {
    position: relative;
    width: 20px;
    height: 20px;
    display: inline-block;
    vertical-align: middle;
}

.glass-btn-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid transparent;
    border-top-color: var(--light-accent);
    border-right-color: var(--light-trail);
    animation: glassBtnSpin 0.8s linear infinite;
    filter: drop-shadow(0 0 4px var(--light-accent));
}

@keyframes glassBtnSpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.glass-btn-core {
    position: absolute;
    inset: 4px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 217, 255, 0.4) 0%, transparent 70%);
    animation: glassBtnPulse 1s ease-in-out infinite;
}

@keyframes glassBtnPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* ============================================
   GLASS PROGRESS BAR - Running Light
   ============================================ */
.glass-progress {
    position: relative;
    width: 100%;
    height: 4px;
    background: var(--glass-bg);
    border-radius: 2px;
    overflow: hidden;
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
}

.glass-progress-bar {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent 0%,
        var(--light-trail) 30%,
        var(--light-accent) 50%,
        var(--light-trail) 70%,
        transparent 100%
    );
    width: 50%;
    animation: glassProgressSlide 1.5s ease-in-out infinite;
    box-shadow: 0 0 10px var(--light-accent);
}

@keyframes glassProgressSlide {
    0% { left: -50%; }
    100% { left: 100%; }
}

/* ============================================
   GLASS SKELETON LOADER - For Content
   ============================================ */
.glass-skeleton {
    position: relative;
    background: var(--glass-bg);
    border-radius: 4px;
    overflow: hidden;
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
}

.glass-skeleton::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(0, 217, 255, 0.1) 50%,
        transparent 100%
    );
    animation: glassShimmer 2s ease-in-out infinite;
}

@keyframes glassShimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* ============================================
   DATATABLE LOADING OVERLAY - Enhanced
   ============================================ */
.datatable-glass-loading {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    z-index: 1000;
    border-radius: 8px;
    overflow: hidden;
    opacity: 0;
    animation: tableLoadingFadeIn 0.3s ease-out forwards;
    pointer-events: none;
}

@keyframes tableLoadingFadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Running light border */
.datatable-glass-loading::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: conic-gradient(
        from 0deg,
        transparent 0deg,
        transparent 270deg,
        rgba(0, 217, 255, 0.8) 300deg,
        rgba(0, 217, 255, 0.4) 330deg,
        transparent 360deg
    );
    border-radius: 8px;
    animation: tableBorderRotate 2s linear infinite;
    z-index: -1;
}

@keyframes tableBorderRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Inner glass panel */
.datatable-glass-loading::after {
    content: '';
    position: absolute;
    inset: 2px;
    background: rgba(8, 12, 20, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 6px;
    z-index: -1;
    box-shadow:
        inset 0 0 30px rgba(0, 217, 255, 0.1),
        0 0 40px rgba(0, 0, 0, 0.5);
}

.datatable-glass-loading .glass-loader {
    width: 70px;
    height: 70px;
    position: relative;
    z-index: 1;
}

/* Wave effect background */
.datatable-glass-loading .table-wave-bg {
    position: absolute;
    inset: 0;
    opacity: 0.15;
    z-index: 0;
    overflow: hidden;
    border-radius: 8px;
}

.datatable-glass-loading .table-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 200%;
    height: 100px;
    background: linear-gradient(
        180deg,
        transparent 0%,
        rgba(0, 217, 255, 0.3) 50%,
        rgba(0, 217, 255, 0.5) 100%
    );
    animation: tableWave 3s ease-in-out infinite;
    transform-origin: center bottom;
}

@keyframes tableWave {
    0%, 100% {
        transform: translateX(-50%) translateY(0) scaleY(1);
    }
    50% {
        transform: translateX(-50%) translateY(-10px) scaleY(1.1);
    }
}

/* Loading text for tables */
.datatable-glass-loading .table-loading-text {
    font-family: 'Orbitron', 'Inter', sans-serif;
    font-size: 13px;
    font-weight: 600;
    color: var(--light-accent, #00d9ff);
    letter-spacing: 3px;
    text-transform: uppercase;
    text-shadow: 0 0 20px rgba(0, 217, 255, 0.6);
    animation: tableTextPulse 2s ease-in-out infinite;
    position: relative;
    z-index: 1;
}

@keyframes tableTextPulse {
    0%, 100% {
        opacity: 0.8;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
}

/* Scanning line effect */
.datatable-glass-loading .scan-line {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(0, 217, 255, 0.3) 30%,
        rgba(0, 217, 255, 0.8) 50%,
        rgba(0, 217, 255, 0.3) 70%,
        transparent 100%
    );
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.8);
    animation: scanLineMove 2s ease-in-out infinite;
    z-index: 2;
}

@keyframes scanLineMove {
    0% {
        top: 0;
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        top: 100%;
        opacity: 0;
    }
}

/* Data stream effect */
.datatable-glass-loading .data-stream {
    position: absolute;
    inset: 0;
    opacity: 0.3;
    z-index: 0;
    overflow: hidden;
    border-radius: 8px;
}

.data-particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: rgba(0, 217, 255, 0.6);
    border-radius: 50%;
    box-shadow: 0 0 8px rgba(0, 217, 255, 0.8);
    animation: particleFloat 3s linear infinite;
}

.data-particle:nth-child(1) {
    left: 20%;
    animation-delay: 0s;
    animation-duration: 2.5s;
}

.data-particle:nth-child(2) {
    left: 40%;
    animation-delay: 0.5s;
    animation-duration: 3s;
}

.data-particle:nth-child(3) {
    left: 60%;
    animation-delay: 1s;
    animation-duration: 2.8s;
}

.data-particle:nth-child(4) {
    left: 80%;
    animation-delay: 1.5s;
    animation-duration: 3.2s;
}

@keyframes particleFloat {
    0% {
        top: 100%;
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        top: -10%;
        opacity: 0;
    }
}

/* ============================================
   SMALL LOADER - For compact spaces
   ============================================ */
.glass-loader-sm {
    width: 40px;
    height: 40px;
}

.glass-loader-sm .glass-loader-ring {
    inset: -1px;
}

.glass-loader-sm .glass-loader-glow {
    inset: 4px;
}

.glass-loader-sm .glass-loader-dot {
    width: 4px;
    height: 4px;
}

.glass-loader-sm .glass-loader-dot {
    animation: glassDotOrbitSm 1.5s linear infinite;
}

@keyframes glassDotOrbitSm {
    0% {
        transform: rotate(0deg) translateX(18px);
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
    100% {
        transform: rotate(360deg) translateX(18px);
        opacity: 1;
    }
}

/* ============================================
   EXTRA SMALL LOADER - For buttons
   ============================================ */
.glass-loader-xs {
    width: 24px;
    height: 24px;
}

.glass-loader-xs .glass-loader-ring {
    inset: -1px;
    filter: blur(1px);
}

.glass-loader-xs .glass-loader-glow {
    inset: 2px;
}

.glass-loader-xs .glass-loader-dot {
    width: 3px;
    height: 3px;
}

.glass-loader-xs .glass-loader-dot {
    animation: glassDotOrbitXs 1.5s linear infinite;
}

@keyframes glassDotOrbitXs {
    0% {
        transform: rotate(0deg) translateX(10px);
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
    100% {
        transform: rotate(360deg) translateX(10px);
        opacity: 1;
    }
}

/* ============================================
   HIDE OLD/DEFAULT LOADING ANIMATIONS
   ============================================ */
/* Hide default DataTables processing indicator */
div.dataTables_processing,
.dataTables_processing,
table.dataTable + div.dataTables_processing {
    display: none !important;
    visibility: hidden !important;
}

/* Hide default Bootstrap/jQuery loading spinners */
.spinner,
.spinner-border,
.spinner-grow,
.loading-spinner {
    display: none !important;
}

/* Hide old processing overlays */
.processing,
.loading-overlay:not(.datatable-glass-loading):not(.glass-overlay) {
    display: none !important;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.glass-loading-hide {
    display: none !important;
}

.glass-loading-relative {
    position: relative;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    /* Inline `.glass-loader` (datatables, panels) shrinks on tablet/mobile.
       The full-screen overlay handles its own mobile sizing above. */
    .glass-loader {
        width: 60px;
        height: 60px;
    }
}