/* Loading compartilhado Korx */

.loading-overlay {
    position: fixed;
    inset: 0;
    display: grid;
    place-items: center;
    z-index: var(--z-loading, 9999);
    background:
        radial-gradient(circle at 50% 42%, rgba(47, 139, 255, 0.18), transparent 28rem),
        linear-gradient(rgba(77, 166, 255, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(77, 166, 255, 0.035) 1px, transparent 1px),
        rgba(3, 8, 20, 0.96);
    background-size: auto, 42px 42px, 42px 42px, auto;
    backdrop-filter: blur(14px) saturate(115%);
    -webkit-backdrop-filter: blur(14px) saturate(115%);
    opacity: 1;
    visibility: visible;
    transition: opacity 0.35s ease, visibility 0.35s ease;
}

.loading-overlay::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(
        180deg,
        transparent 0%,
        rgba(0, 255, 136, 0.08) 48%,
        rgba(77, 166, 255, 0.16) 50%,
        rgba(0, 255, 136, 0.08) 52%,
        transparent 100%
    );
    transform: translateY(-100%);
    animation: loader-scan 2.4s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}

.loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
}

.loading-overlay[hidden] {
    display: none !important;
}

.loading-spinner {
    --loader-size: 58px;
    position: relative;
    width: var(--loader-size);
    height: var(--loader-size);
    margin: 0 auto 1rem;
    border: 1px solid rgba(77, 166, 255, 0.35);
    border-radius: 12px;
    background:
        linear-gradient(90deg, transparent 46%, rgba(77, 166, 255, 0.7) 48%, transparent 52%),
        linear-gradient(transparent 46%, rgba(0, 255, 136, 0.65) 48%, transparent 52%),
        rgba(5, 14, 32, 0.72);
    box-shadow:
        0 0 0 1px rgba(0, 255, 136, 0.08) inset,
        0 0 32px rgba(77, 166, 255, 0.34),
        0 0 70px rgba(0, 255, 136, 0.12);
    transform: rotate(45deg);
    animation: loader-tilt 1.6s ease-in-out infinite;
}

.loading-spinner::before,
.loading-spinner::after {
    content: "";
    position: absolute;
    inset: -9px;
    border-radius: 16px;
    border: 2px solid transparent;
    pointer-events: none;
}

.loading-spinner::before {
    border-top-color: #4da6ff;
    border-right-color: rgba(77, 166, 255, 0.4);
    animation: loader-orbit 1.1s linear infinite;
}

.loading-spinner::after {
    inset: 13px;
    border-radius: 8px;
    border-left-color: #00ff88;
    border-bottom-color: rgba(0, 255, 136, 0.45);
    animation: loader-orbit 1.35s linear infinite reverse;
}

.loading-spinner.small {
    --loader-size: 22px;
    border-radius: 6px;
    margin: 0;
}

.loading-spinner.small::before {
    inset: -4px;
    border-width: 1px;
    border-radius: 8px;
}

.loading-spinner.small::after {
    inset: 5px;
    border-width: 1px;
    border-radius: 4px;
}

.loading-spinner.large {
    --loader-size: 86px;
    border-radius: 16px;
}

.section-loading {
    display: grid;
    place-items: center;
    min-height: 200px;
    padding: 2rem;
}

.section-loading .loading-spinner {
    margin-bottom: 0;
}

.skeleton {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md, 8px);
    background: rgba(77, 166, 255, 0.055);
}

.skeleton::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        110deg,
        transparent 0%,
        rgba(77, 166, 255, 0.16) 42%,
        rgba(0, 255, 136, 0.12) 50%,
        transparent 62%
    );
    transform: translateX(-100%);
    animation: loader-sweep 1.8s ease-in-out infinite;
}

@keyframes loader-tilt {
    0%,
    100% {
        transform: rotate(45deg) scale(1);
    }
    50% {
        transform: rotate(45deg) scale(0.86);
    }
}

@keyframes loader-orbit {
    to {
        transform: rotate(360deg);
    }
}

@keyframes loader-scan {
    0% {
        transform: translateY(-100%);
        opacity: 0;
    }
    18%,
    70% {
        opacity: 1;
    }
    100% {
        transform: translateY(100%);
        opacity: 0;
    }
}

@keyframes loader-sweep {
    to {
        transform: translateX(100%);
    }
}

@media (prefers-reduced-motion: reduce) {
    .loading-overlay::before,
    .loading-spinner,
    .loading-spinner::before,
    .loading-spinner::after,
    .skeleton::after {
        animation: none;
    }
    .print3d-head,
    .print3d-fill,
    .print3d-label {
        animation: none;
    }
    .print3d-head { left: 70px; }
    .print3d-fill { height: 55%; opacity: 1; }
}

@media (max-width: 768px) {
    .loading-spinner {
        --loader-size: 46px;
    }

    .loading-spinner.large {
        --loader-size: 68px;
    }
}

/* ===== LOADING 3D PRINT — páginas públicas ===== */

.loading-overlay:has(.print3d-scene) {
    background: #FFF6F8;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.loading-overlay:has(.print3d-scene)::before {
    display: none;
}

.print3d-scene {
    display: flex;
    flex-direction: column;
    align-items: center;
    user-select: none;
}

/* Trilho horizontal da impressora */
.print3d-gantry {
    width: 148px;
    height: 26px;
    position: relative;
    border-top: 2px solid rgba(220, 140, 175, 0.4);
}

/* Cabeça de impressão se desloca pelo trilho */
.print3d-head {
    position: absolute;
    bottom: -2px;
    left: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    filter: drop-shadow(0 0 7px #FF2988);
    animation: print-head-scan 0.72s ease-in-out infinite alternate;
    will-change: left;
}

/* Bico cônico */
.print3d-nozzle {
    width: 10px;
    height: 16px;
    background: linear-gradient(to bottom, #c01a6a, #FF2988);
    clip-path: polygon(0% 0%, 100% 0%, 78% 100%, 22% 100%);
}

/* Gota de filamento saindo do bico */
.print3d-drip {
    width: 2px;
    height: 6px;
    background: #FF2988;
    border-radius: 0 0 2px 2px;
    box-shadow: 0 0 8px #FF2988, 0 0 18px rgba(255, 41, 136, 0.55);
}

/* Área de construção da peça */
.print3d-build {
    width: 148px;
    height: 88px;
    position: relative;
    overflow: hidden;
    border: 1.5px solid rgba(255, 41, 136, 0.18);
    border-bottom: none;
    background: rgba(255, 41, 136, 0.025);
}

/* Preenchimento que sobe (simula camadas depositadas) */
.print3d-fill {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: repeating-linear-gradient(
        to top,
        rgba(255, 41, 136, 0.20) 0px,
        rgba(255, 41, 136, 0.20) 5px,
        rgba(255, 41, 136, 0.07) 5px,
        rgba(255, 41, 136, 0.07) 7px
    );
    border-top: 2.5px solid #FF2988;
    box-shadow: 0 -6px 20px rgba(255, 41, 136, 0.45);
    animation: print-fill-rise 2.4s ease-in-out infinite;
}

/* Mesa de impressão */
.print3d-plate {
    width: 168px;
    height: 7px;
    background: linear-gradient(to bottom, #D8C4CC, #C4B0B8);
    border-radius: 3px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.09);
    position: relative;
    overflow: hidden;
}

.print3d-plate::after {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        90deg,
        transparent 0,
        transparent 9px,
        rgba(200, 120, 155, 0.25) 9px,
        rgba(200, 120, 155, 0.25) 10px
    );
}

.print3d-label {
    margin-top: 22px;
    font-family: 'Inter', sans-serif;
    font-size: 0.83rem;
    font-weight: 400;
    color: #C088A0;
    letter-spacing: 0.04em;
    text-align: center;
    max-width: 240px;
    animation: print-label-pulse 2.4s ease-in-out infinite;
}

@keyframes print-head-scan {
    from { left: 0; }
    to   { left: calc(148px - 10px); }
}

@keyframes print-fill-rise {
    0%   { height: 0;    opacity: 0; }
    6%   { height: 0;    opacity: 1; }
    76%  { height: 100%; opacity: 1; }
    90%  { height: 100%; opacity: 0; }
    100% { height: 0;    opacity: 0; }
}

@keyframes print-label-pulse {
    0%, 100% { opacity: 0.55; }
    50%       { opacity: 1;   }
}