/* ============================================
   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 Enhanced
   ============================================ */
.glass-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
    z-index: 99999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    overflow: hidden;
}

.glass-overlay.active {
    opacity: 1;
    pointer-events: none;
    animation: overlayFadeIn 0.3s ease-out forwards;
}

@keyframes overlayFadeIn {
    from {
        opacity: 0;
        transform: scale(0.98);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Running light border for full screen overlay */
.glass-overlay::before {
    content: '';
    position: fixed;
    inset: -4px;
    background: conic-gradient(
        from 0deg,
        transparent 0deg,
        transparent 270deg,
        rgba(0, 217, 255, 0.6) 300deg,
        rgba(0, 217, 255, 0.3) 330deg,
        transparent 360deg
    );
    animation: overlayBorderRotate 2.5s linear infinite;
    z-index: -1;
    pointer-events: none;
}

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

/* Inner glass panel */
.glass-overlay::after {
    content: '';
    position: fixed;
    inset: 0;
    background: rgba(8, 12, 20, 0.85);
    backdrop-filter: blur(15px);
    z-index: -1;
    box-shadow: inset 0 0 50px rgba(0, 217, 255, 0.1);
}

/* Wave background for overlay */
.glass-overlay .overlay-wave-bg {
    position: fixed;
    inset: 0;
    opacity: 0.2;
    z-index: 0;
    overflow: hidden;
}

.glass-overlay .overlay-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 200%;
    height: 150px;
    background: linear-gradient(
        180deg,
        transparent 0%,
        rgba(0, 217, 255, 0.2) 50%,
        rgba(0, 217, 255, 0.4) 100%
    );
    animation: overlayWave 4s ease-in-out infinite;
    transform-origin: center bottom;
}

@keyframes overlayWave {
    0%, 100% {
        transform: translateX(-50%) translateY(0) scaleY(1);
    }
    50% {
        transform: translateX(-50%) translateY(-15px) scaleY(1.15);
    }
}

/* Scanning line for overlay */
.glass-overlay .overlay-scan-line {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(0, 217, 255, 0.2) 30%,
        rgba(0, 217, 255, 0.8) 50%,
        rgba(0, 217, 255, 0.2) 70%,
        transparent 100%
    );
    box-shadow: 0 0 30px rgba(0, 217, 255, 0.8);
    animation: overlayScanMove 3s ease-in-out infinite;
    z-index: 2;
}

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

/* Data particles for overlay */
.glass-overlay .overlay-data-stream {
    position: fixed;
    inset: 0;
    opacity: 0.4;
    z-index: 0;
    overflow: hidden;
}

.glass-overlay .overlay-data-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(0, 217, 255, 0.7);
    border-radius: 50%;
    box-shadow: 0 0 12px rgba(0, 217, 255, 0.9);
    animation: overlayParticleFloat 4s linear infinite;
}

.glass-overlay .overlay-data-particle:nth-child(1) {
    left: 15%;
    animation-delay: 0s;
    animation-duration: 3.5s;
}

.glass-overlay .overlay-data-particle:nth-child(2) {
    left: 35%;
    animation-delay: 0.7s;
    animation-duration: 4s;
}

.glass-overlay .overlay-data-particle:nth-child(3) {
    left: 55%;
    animation-delay: 1.4s;
    animation-duration: 3.8s;
}

.glass-overlay .overlay-data-particle:nth-child(4) {
    left: 75%;
    animation-delay: 2.1s;
    animation-duration: 4.2s;
}

.glass-overlay .overlay-data-particle:nth-child(5) {
    left: 25%;
    animation-delay: 0.5s;
    animation-duration: 3.7s;
}

.glass-overlay .overlay-data-particle:nth-child(6) {
    left: 65%;
    animation-delay: 1.8s;
    animation-duration: 3.9s;
}

@keyframes overlayParticleFloat {
    0% {
        top: 110%;
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        top: -10%;
        opacity: 0;
    }
}

/* Overlay content container */
.glass-overlay-content {
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 28px;
}

.glass-overlay-text {
    font-family: 'Orbitron', 'Inter', sans-serif;
    font-size: 16px;
    font-weight: 600;
    color: var(--light-accent, #00d9ff);
    letter-spacing: 4px;
    text-transform: uppercase;
    text-shadow: 0 0 25px rgba(0, 217, 255, 0.7);
    animation: overlayTextPulse 2s ease-in-out infinite;
    position: relative;
    z-index: 1;
}

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

/* Larger loader for full screen */
.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) {
    .glass-loader {
        width: 60px;
        height: 60px;
    }

    .glass-overlay-text {
        font-size: 12px;
        letter-spacing: 2px;
    }
}