.registration-puzzle-mask {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    inset: 0;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    padding: 16px;
    background: rgba(0, 0, 0, 0.72);
}

.registration-puzzle-mask.is-open {
    display: flex;
}

.registration-puzzle-dialog {
    width: 340px;
    max-width: 100%;
    box-sizing: border-box;
    padding: 14px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 8px;
    background: #25282c;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
    color: #fff;
}

.registration-puzzle-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 30px;
    margin-bottom: 10px;
}

.registration-puzzle-title {
    overflow: hidden;
    font-size: 16px;
    font-weight: 600;
    line-height: 24px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.registration-puzzle-actions {
    display: flex;
    flex: 0 0 auto;
    gap: 0;
    margin-left: 8px;
}

.registration-puzzle-icon {
    width: 30px;
    height: 30px;
    padding: 0;
    border: 0;
    border-radius: 6px;
    background: transparent;
    color: rgba(255, 255, 255, 0.72);
    cursor: pointer;
    font-size: 23px;
    line-height: 30px;
    text-align: center;
}

.registration-puzzle-icon:hover,
.registration-puzzle-icon:focus {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.registration-puzzle-icon + .registration-puzzle-icon {
    margin-left: 4px;
}

.registration-puzzle-image {
    position: relative;
    width: 100%;
    height: 156px;
    overflow: hidden;
    border-radius: 6px;
    background: #181a1d;
}

.registration-puzzle-loader {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #1c1f23;
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
}

.registration-puzzle-loader::before {
    width: 26px;
    height: 26px;
    box-sizing: border-box;
    border: 3px solid rgba(255, 255, 255, 0.16);
    border-top-color: #f5a623;
    border-radius: 50%;
    content: '';
    animation: registration-puzzle-spin 0.75s linear infinite;
}

.registration-puzzle-mask.is-loading .registration-puzzle-loader {
    opacity: 1;
    visibility: visible;
}

.registration-puzzle-background,
.registration-puzzle-piece {
    opacity: 0;
    visibility: hidden;
}

.registration-puzzle-background {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    user-select: none;
    -webkit-user-drag: none;
}

.registration-puzzle-piece {
    position: absolute;
    left: 0;
    z-index: 2;
    display: block;
    pointer-events: none;
    filter: drop-shadow(0 2px 2px rgba(0, 0, 0, 0.65));
    user-select: none;
    -webkit-user-drag: none;
}

.registration-puzzle-mask.is-ready .registration-puzzle-background,
.registration-puzzle-mask.is-ready .registration-puzzle-piece,
.registration-puzzle-mask.is-verified .registration-puzzle-background,
.registration-puzzle-mask.is-verified .registration-puzzle-piece {
    opacity: 1;
    visibility: visible;
    transition: opacity 0.16s ease;
}

.registration-puzzle-track {
    position: relative;
    height: 44px;
    margin-top: 12px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 6px;
    background: #34373c;
    touch-action: none;
    user-select: none;
}

.registration-puzzle-label {
    position: absolute;
    top: 0;
    right: 8px;
    bottom: 0;
    left: 52px;
    inset: 0 8px 0 52px;
    overflow: hidden;
    color: rgba(255, 255, 255, 0.62);
    font-size: 13px;
    line-height: 44px;
    text-align: center;
    text-overflow: ellipsis;
    transition: opacity 0.12s ease;
    white-space: nowrap;
}

.registration-puzzle-mask.is-dragging .registration-puzzle-label {
    opacity: 0;
}

.registration-puzzle-thumb {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 0;
    border-radius: 5px;
    background: #f5a623;
    color: #1d1f22;
    cursor: grab;
    font-size: 30px;
    font-weight: 600;
    line-height: 1;
    text-align: center;
    touch-action: none;
}

.registration-puzzle-thumb:active {
    cursor: grabbing;
}

.registration-puzzle-thumb:disabled {
    cursor: wait;
}

.registration-puzzle-status {
    min-height: 20px;
    padding-top: 7px;
    color: rgba(255, 255, 255, 0.65);
    font-size: 12px;
    line-height: 18px;
    text-align: center;
}

.registration-puzzle-mask.is-checking .registration-puzzle-thumb {
    cursor: wait;
    opacity: 0.72;
}

.registration-puzzle-mask.is-loading .registration-puzzle-thumb {
    background: #555960;
    color: rgba(255, 255, 255, 0.34);
    opacity: 1;
}

.registration-puzzle-mask.is-loading .registration-puzzle-track {
    border-color: rgba(255, 255, 255, 0.1);
}

.registration-puzzle-mask.is-verified .registration-puzzle-track {
    border-color: #49a36d;
}

.registration-puzzle-mask.is-verified .registration-puzzle-thumb {
    background: #49a36d;
    color: #fff;
}

.registration-puzzle-mask.is-verified .registration-puzzle-status {
    color: #70d394;
}

.registration-puzzle-mask.is-failed .registration-puzzle-track {
    border-color: #c85959;
}

.registration-puzzle-mask.is-failed .registration-puzzle-status {
    color: #ef8c8c;
}

@keyframes registration-puzzle-spin {
    to {
        transform: rotate(360deg);
    }
}

@media (prefers-reduced-motion: reduce) {
    .registration-puzzle-loader::before {
        animation-duration: 1.5s;
    }

    .registration-puzzle-mask.is-ready .registration-puzzle-background,
    .registration-puzzle-mask.is-ready .registration-puzzle-piece,
    .registration-puzzle-mask.is-verified .registration-puzzle-background,
    .registration-puzzle-mask.is-verified .registration-puzzle-piece {
        transition: none;
    }

    .registration-puzzle-label {
        transition: none;
    }
}

@media (max-width: 359px) {
    .registration-puzzle-mask {
        padding: 10px;
    }

    .registration-puzzle-dialog {
        padding: 10px;
    }

    .registration-puzzle-image {
        height: 140px;
    }

    .registration-puzzle-title {
        font-size: 14px;
    }
}