.qtool-page--baiban.qpage {
    padding: 0;
    float: none;
    width: 100%;
    box-sizing: border-box;
}

.qtool-page--baiban .qtool-wrap {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.qtool-page--baiban #baiban-controls {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.qtool-page--baiban .qtool-board-form {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 16px 24px;
    align-items: end;
}

.qtool-page--baiban .qtool-board-form .qtool-row {
    float: none !important;
    width: 100%;
    margin: 0;
}

.qtool-page--baiban .qtool-board-colors {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin-top: 8px;
}

.qtool-page--baiban .qtool-board-swatch {
    width: 34px;
    height: 34px;
    padding: 0;
    border: 2px solid #e5e7eb;
    border-radius: 50%;
    background: var(--swatch, #111827);
    cursor: pointer;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.35);
    transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.qtool-page--baiban .qtool-board-swatch:hover {
    transform: scale(1.06);
}

.qtool-page--baiban .qtool-board-swatch.is-active {
    border-color: #5aac2c;
    box-shadow: 0 0 0 3px rgba(90, 172, 44, 0.28);
}

.qtool-page--baiban .qtool-board-colorpick {
    position: relative;
    display: inline-flex;
    width: 34px;
    height: 34px;
    border: 2px dashed #cbd5e1;
    border-radius: 50%;
    overflow: hidden;
    cursor: pointer;
    background: #fff;
}

.qtool-page--baiban .qtool-board-colorpick input[type="color"] {
    width: 150%;
    height: 150%;
    margin: -25%;
    padding: 0;
    border: none;
    background: transparent;
    cursor: pointer;
}

.qtool-page--baiban .qtool-board-range {
    width: 100%;
    margin-top: 8px;
    accent-color: #5aac2c;
}

.qtool-page--baiban .qtool-board-preview {
    padding: 12px;
    overflow: hidden;
}

.qtool-page--baiban .qtool-board-preview canvas {
    display: block;
    width: 100%;
    height: auto;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    background: #fff;
    touch-action: none;
    cursor: crosshair;
}

.qtool-page--baiban .qtool-actions {
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 10px;
}

.qtool-page--baiban .qtool-tip--baiban-mobile {
    display: none;
}

.qtool-overlay {
    position: fixed;
    inset: 0;
    z-index: 99990;
    display: none;
    box-sizing: border-box;
}

.qtool-overlay.is-open {
    display: flex;
}

.qtool-overlay--board {
    flex-direction: column;
    background: #eef2f7;
    overscroll-behavior: none;
    touch-action: manipulation;
}

.qtool-overlay--board.qtool-overlay--mobile {
    height: 100dvh;
    height: 100vh;
    padding-top: env(safe-area-inset-top, 0);
    padding-bottom: env(safe-area-inset-bottom, 0);
}

.qtool-board-stage {
    flex: 1 1 auto;
    min-height: 0;
    position: relative;
    overflow: hidden;
    background: #fff;
}

.qtool-board-stage canvas {
    display: block;
    width: 100%;
    height: 100%;
    touch-action: none;
    cursor: crosshair;
    -webkit-user-select: none;
    user-select: none;
}

.qtool-board-toolbar {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: rgba(255, 255, 255, 0.96);
    border-top: 1px solid #e5e7eb;
    box-shadow: 0 -8px 24px rgba(15, 23, 42, 0.08);
}

.qtool-board-toolbar__group {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.qtool-board-toolbar__group .qtool-board-range {
    width: 120px;
    max-width: 34vw;
    margin: 0;
    accent-color: #5aac2c;
}

.qtool-board-toolbar__actions {
    margin-left: auto;
    gap: 6px;
}

.qtool-board-toolbar .qtool-board-swatch {
    width: 30px;
    height: 30px;
    padding: 0;
    border: 2px solid #e5e7eb;
    border-radius: 50%;
    background: var(--swatch, #111827);
    cursor: pointer;
}

.qtool-board-toolbar .qtool-board-swatch.is-active {
    border-color: #5aac2c;
    box-shadow: 0 0 0 2px rgba(90, 172, 44, 0.28);
}

.qtool-board-toolbar .qtool-board-colorpick {
    width: 30px;
    height: 30px;
    border: 2px dashed #cbd5e1;
    border-radius: 50%;
    overflow: hidden;
}

.qtool-board-toolbar .qtool-board-colorpick input[type="color"] {
    width: 150%;
    height: 150%;
    margin: -25%;
    border: none;
    padding: 0;
}

.qtool-board-tool {
    width: 40px;
    height: 40px;
    padding: 0;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    background: #fff;
    color: #374151;
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.qtool-board-tool:hover {
    border-color: #5aac2c;
    color: #478a21;
}

.qtool-board-tool--close {
    font-size: 24px;
    font-weight: 300;
}

.qtool-toast {
    position: fixed;
    left: 50%;
    top: 50%;
    bottom: auto;
    transform: translate(-50%, calc(-50% + 16px));
    z-index: 100001;
    max-width: min(92vw, 420px);
    padding: 12px 18px;
    border-radius: 999px;
    background: rgba(17, 24, 39, 0.92);
    color: #fff;
    font-size: 14px;
    line-height: 1.5;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.qtool-toast.is-show {
    opacity: 1;
    transform: translate(-50%, -50%);
}

.qtool-toast--error {
    background: rgba(185, 28, 28, 0.94);
}

@media screen and (max-width: 896px) {
    .qtool-toast {
        top: auto;
        bottom: calc(24px + env(safe-area-inset-bottom, 0));
        transform: translateX(-50%) translateY(16px);
    }

    .qtool-toast.is-show {
        transform: translateX(-50%) translateY(0);
    }

    .qtool-page--baiban .qtool-board-form {
        grid-template-columns: 1fr;
    }

    .qtool-page--baiban .qtool-tip--baiban-desktop {
        display: none;
    }

    .qtool-page--baiban .qtool-tip--baiban-mobile {
        display: block;
    }

    .qtool-page--baiban.baiban-mobile-active #baiban-preview-wrap,
    .qtool-page--baiban.baiban-mobile-active .qtool-tip {
        display: none;
    }

    .qtool-board-toolbar {
        flex-wrap: wrap;
        padding: 10px;
    }

    .qtool-board-toolbar__group .qtool-board-range {
        width: 100px;
    }
}

@media screen and (max-width: 480px) {
    .qtool-page--baiban .qtool-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .qtool-page--baiban .qtool-actions .qtool-btn {
        width: 100%;
    }
}