/* =========================================================
SIMULADOR
========================================================= */

.paint-simulator
{
    width: 100%;

    min-height: 100vh;

    padding: 100px 20px;

    background:
    radial-gradient(circle at top left, rgba(37,99,235,.15), transparent 35%),
    radial-gradient(circle at bottom right, rgba(59,130,246,.12), transparent 35%),
    linear-gradient(
        180deg,
        #08111f 0%,
        #0b1220 100%
    );

    overflow: hidden;
}


/* =========================================================
HEADER
========================================================= */

.simulator-header
{
    max-width: 900px;

    margin: 0 auto 60px;

    text-align: center;
}

.simulator-header small
{
    display: inline-block;

    padding: 8px 18px;

    border-radius: 50px;

    background: rgba(37,99,235,.12);

    border: 1px solid rgba(59,130,246,.20);

    color: #60a5fa;

    font-size: 12px;

    font-weight: 700;

    letter-spacing: 2px;

    text-transform: uppercase;

    margin-bottom: 18px;
}

.simulator-header h1
{
    font-size: 52px;

    color: #ffffff;

    line-height: 1.1;

    margin-bottom: 18px;
}

.simulator-header p
{
    color: rgba(255,255,255,.72);

    font-size: 16px;

    line-height: 1.8;
}


/* =========================================================
LAYOUT
========================================================= */

.simulator-layout
{
    width: 100%;

    max-width: 1500px;

    margin: 0 auto;

    display: grid;

    grid-template-columns: 360px 1fr;

    gap: 30px;

    align-items: start;
}


/* =========================================================
SIDEBAR
========================================================= */

.simulator-sidebar
{
    position: sticky;

    top: 30px;

    background: rgba(17,26,46,.92);

    backdrop-filter: blur(12px);

    border: 1px solid rgba(255,255,255,.06);

    border-radius: 28px;

    padding: 30px;

    display: flex;

    flex-direction: column;

    gap: 24px;

    box-shadow:
    0 20px 50px rgba(0,0,0,.35);
}

.sidebar-title
{
    font-size: 17px;

    color: #ffffff;

    margin-bottom: 14px;

    font-weight: 700;
}


/* =========================================================
UPLOAD
========================================================= */

.upload-box
{
    border: 2px dashed rgba(255,255,255,.12);

    border-radius: 22px;

    padding: 35px 24px;

    text-align: center;

    background: rgba(255,255,255,.02);

    transition: .3s ease;
}

.upload-box:hover
{
    border-color: rgba(59,130,246,.40);

    background: rgba(59,130,246,.04);
}

.upload-box input
{
    display: none;
}

.upload-label
{
    display: inline-flex;

    align-items: center;

    justify-content: center;

    min-height: 52px;

    padding: 0 26px;

    border-radius: 50px;

    background:
    linear-gradient(
        135deg,
        #2563eb 0%,
        #3b82f6 100%
    );

    color: #ffffff;

    font-size: 14px;

    font-weight: 700;

    cursor: pointer;

    transition: .3s ease;

    box-shadow:
    0 10px 25px rgba(37,99,235,.35);
}

.upload-label:hover
{
    transform: translateY(-2px) scale(1.02);
}

.upload-info
{
    margin-top: 16px;

    color: rgba(255,255,255,.60);

    font-size: 13px;

    line-height: 1.7;
}


/* =========================================================
COLOR PICKER
========================================================= */

.color-controls
{
    display: flex;

    flex-direction: column;

    gap: 18px;
}

.color-picker-wrapper
{
    display: flex;

    align-items: center;

    gap: 14px;
}

.color-picker
{
    width: 85px;

    min-width: 85px;

    height: 60px;

    border: none;

    border-radius: 16px;

    overflow: hidden;

    background: transparent;

    cursor: pointer;
}

.color-hex
{
    flex: 1;

    height: 60px;

    border: 1px solid rgba(255,255,255,.08);

    border-radius: 16px;

    background: rgba(255,255,255,.05);

    padding: 0 16px;

    color: #ffffff;

    font-size: 14px;

    outline: none;

    transition: .3s ease;
}

.color-hex:focus
{
    border-color: rgba(59,130,246,.45);

    background: rgba(255,255,255,.08);
}


/* =========================================================
OPACITY
========================================================= */

.opacity-control
{
    width: 100%;
}

.opacity-control label
{
    display: flex;

    align-items: center;

    justify-content: space-between;

    margin-bottom: 12px;

    color: #ffffff;

    font-size: 14px;

    font-weight: 600;
}

.opacity-control input
{
    width: 100%;

    cursor: pointer;
}


/* =========================================================
PRESET COLORS
========================================================= */

.preset-colors
{
    display: grid;

    grid-template-columns: repeat(5, 1fr);

    gap: 12px;
}

.preset-color
{
    width: 100%;

    aspect-ratio: 1/1;

    border-radius: 16px;

    border: 2px solid rgba(255,255,255,.08);

    cursor: pointer;

    transition: .25s ease;
}

.preset-color:hover
{
    transform: scale(1.10);

    border-color: #ffffff;
}


/* =========================================================
TOOLS
========================================================= */

.simulator-tools
{
    display: flex;

    flex-direction: column;

    gap: 16px;
}

.tool-buttons
{
    display: grid;

    grid-template-columns: 1fr;

    gap: 12px;
}

.tool-btn
{
    width: 100%;

    min-height: 54px;

    border: 1px solid rgba(255,255,255,.08);

    border-radius: 18px;

    background: rgba(255,255,255,.04);

    color: #ffffff;

    font-size: 14px;

    font-weight: 600;

    cursor: pointer;

    transition: .25s ease;
}

.tool-btn:hover
{
    transform: translateY(-2px);

    background: rgba(255,255,255,.08);
}

.tool-btn.active
{
    background:
    linear-gradient(
        135deg,
        #2563eb 0%,
        #3b82f6 100%
    );

    border-color: transparent;

    box-shadow:
    0 10px 25px rgba(37,99,235,.35);
}


/* =========================================================
BRUSH SETTINGS
========================================================= */

.brush-settings
{
    display: flex;

    flex-direction: column;

    gap: 14px;
}

.brush-settings input
{
    width: 100%;

    cursor: pointer;
}


/* =========================================================
ACTIONS
========================================================= */

.simulator-actions
{
    display: flex;

    flex-direction: column;

    gap: 14px;
}

.simulator-btn
{
    width: 100%;

    min-height: 54px;

    border: none;

    border-radius: 18px;

    cursor: pointer;

    font-size: 14px;

    font-weight: 700;

    transition: .25s ease;
}

.btn-primary
{
    background:
    linear-gradient(
        135deg,
        #2563eb 0%,
        #3b82f6 100%
    );

    color: #ffffff;
}

.btn-secondary
{
    background: rgba(255,255,255,.05);

    border: 1px solid rgba(255,255,255,.08);

    color: #ffffff;
}

.simulator-btn:hover
{
    transform: translateY(-2px);
}


/* =========================================================
PREVIEW AREA
========================================================= */

.simulator-preview
{
    position: relative;

    min-height: 760px;

    background: rgba(17,26,46,.92);

    border: 1px solid rgba(255,255,255,.06);

    border-radius: 30px;

    overflow: hidden;

    display: flex;

    align-items: center;

    justify-content: center;

    padding: 20px;

    box-shadow:
    0 25px 60px rgba(0,0,0,.35);
}


/* =========================================================
CANVAS WRAPPER
========================================================= */

.canvas-wrapper
{
    position: relative;

    width: 100%;

    height: 100%;

    display: flex;

    align-items: center;

    justify-content: center;
}


/* =========================================================
CANVAS BASE
========================================================= */

#previewCanvas
{
    width: 100%;

    height: auto;

    max-height: 760px;

    object-fit: contain;

    display: none;

    border-radius: 20px;

    position: relative;

    z-index: 1;
}


/* =========================================================
PAINT LAYER
========================================================= */

#paintLayer
{
    position: absolute;

    inset: 0;

    width: 100%;

    height: 100%;

    z-index: 2;

    display: none;

    cursor: crosshair;
}


/* =========================================================
PLACEHOLDER
========================================================= */

.preview-placeholder
{
    text-align: center;

    padding: 40px;

    max-width: 500px;
}

.preview-placeholder h3
{
    color: #ffffff;

    font-size: 30px;

    margin-bottom: 16px;
}

.preview-placeholder p
{
    color: rgba(255,255,255,.65);

    font-size: 15px;

    line-height: 1.9;
}


/* =========================================================
DRAW MODE
========================================================= */

.painting-active
{
    cursor: cell;
}


/* =========================================================
RESPONSIVO
========================================================= */

@media(max-width: 1200px)
{
    .simulator-layout
    {
        grid-template-columns: 1fr;
    }

    .simulator-sidebar
    {
        position: relative;

        top: 0;
    }
}

@media(max-width: 768px)
{
    .paint-simulator
    {
        padding: 70px 16px;
    }

    .simulator-header
    {
        margin-bottom: 40px;
    }

    .simulator-header h1
    {
        font-size: 34px;
    }

    .simulator-header p
    {
        font-size: 15px;
    }

    .simulator-sidebar
    {
        padding: 22px;
    }

    .simulator-preview
    {
        min-height: 420px;

        padding: 12px;
    }

    .preset-colors
    {
        grid-template-columns: repeat(4, 1fr);
    }

    .color-picker-wrapper
    {
        flex-direction: column;
    }

    .color-picker
    {
        width: 100%;
    }
}