root {
    width: 100%;
    height: 100%;
    pointer-events: none;
    font-family: Inter, Poppins, Arial, sans-serif;
    color: #ffffff;
}

.canvas {
    position: absolute;
    left: 286px;
    top: 100px;
    right: 250px;
    bottom: 92px;
    pointer-events: none;
    border-radius: 8px;
    border: 2px solid #344258;
    box-shadow: 0px 12px 34px #000000, 0px 0px 0px 1px #8fd7ff;
    background-color: #05070b;
}

/* ------------------------------------------------------------------ */
/*  Sidebar + palette                                                  */
/* ------------------------------------------------------------------ */
.sidebar {
    position: absolute;
    left: 16px;
    top: 16px;
    bottom: 16px;
    width: 252px;
    display: flex;
    flex-direction: column;
    pointer-events: all;
}

.brand {
    position: relative;
    flex-shrink: 0;
    height: 126px;
    padding: 0px 2px 12px 4px;
}

.logo {
    position: absolute;
    left: 0px;
    top: 0px;
    height: 34px;
    line-height: 34px;
    font-size: 28px;
    font-weight: 900;
    letter-spacing: 2px;
    color: #7fe3ff;
    text-shadow: 0px 3px 0px #000000;
}

.tagline {
    position: absolute;
    left: 0px;
    top: 39px;
    height: 18px;
    line-height: 18px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #6f8198;
}

.rank {
    position: absolute;
    left: 0px;
    right: 0px;
    top: 68px;
    height: 34px;
    line-height: 34px;
    padding: 0px 12px;
    border-radius: 7px;
    background-color: #1d2b18;
    border: 1px solid #9be56c;
    color: #b9ff88;
    font-size: 14px;
    font-weight: 900;
}

.palette {
    flex-grow: 1;
    flex-shrink: 1;
    min-height: 0px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding-top: 6px;
    padding-right: 8px;
    overflow-y: scroll;
}

.cat-head {
    flex-shrink: 0;
    height: 20px;
    line-height: 20px;
    margin-top: 11px;
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: #74859c;
}

.tool-btn {
    flex-shrink: 0;
    width: 100%;
    height: 34px;
    padding: 0px 9px;
    border-radius: 7px;
    border: 1px solid #263444;
    background-color: #0d141d;
    color: #ffffff;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 9px;
    cursor: pointer;
    transition: all 0.08s ease-out;
}

.tool-btn:hover {
    background-color: #172232;
    border-color: #546478;
}

.tool-btn.active {
    background-color: #18304a;
    border-color: #5fd7ff;
    box-shadow: 0px 0px 12px #5fd7ff;
}

.tool-btn b {
    height: 18px;
    line-height: 18px;
    font-size: 13px;
    font-weight: 800;
}

.swatch {
    width: 18px;
    height: 18px;
    border-radius: 4px;
    border: 1px solid #8996a7;
    flex-shrink: 0;
}

/* ------------------------------------------------------------------ */
/*  Top stat strip                                                     */
/* ------------------------------------------------------------------ */
.stat-strip {
    position: absolute;
    left: 286px;
    top: 16px;
    right: 18px;
    height: 56px;
    display: flex;
    flex-direction: row;
    gap: 10px;
    pointer-events: none;
}

.stat {
    min-width: 118px;
    height: 56px;
    padding: 8px 14px;
    border-radius: 9px;
    background-color: #0f1722;
    border: 1px solid #2d3a4a;
    justify-content: center;
    align-items: center;
}

.objective {
    position: absolute;
    left: 286px;
    right: 250px;
    top: 16px;
    height: 68px;
    padding: 8px 12px;
    border-radius: 8px;
    background-color: #151b21;
    border: 1px solid #303c4a;
    pointer-events: none;
    flex-direction: column;
    gap: 5px;
}

.objective.complete {
    border-color: #9be56c;
    background-color: #142217;
}

.objective-top {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}

.objective-top span {
    font-size: 13px;
    font-weight: 900;
    color: #ffd95a;
    text-transform: uppercase;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.objective-top b {
    font-size: 13px;
    font-weight: 900;
    color: #ffffff;
}

.objective-text {
    height: 16px;
    line-height: 16px;
    font-size: 12px;
    font-weight: 700;
    color: #b7c4d6;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.progress {
    height: 5px;
    border-radius: 3px;
    background-color: #070a0f;
    overflow: hidden;
}

.progress-fill {
    height: 5px;
    border-radius: 3px;
    background-color: #ffd95a;
}

.stat.wide {
    flex-grow: 1;
}

.stat-text {
    width: 100%;
    height: 22px;
    line-height: 22px;
    color: #ffffff;
    font-size: 13px;
    font-weight: 900;
    letter-spacing: 0px;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ------------------------------------------------------------------ */
/*  Live stat chips                                                    */
/* ------------------------------------------------------------------ */
.stats {
    position: absolute;
    right: 18px;
    top: 16px;
    width: 212px;
    height: 78px;
    flex-direction: row;
    gap: 7px;
    pointer-events: none;
}

.stat-chip {
    flex-grow: 1;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 78px;
    border-radius: 9px;
    background-color: #0b1119;
    border: 1px solid #263444;
    border-top-width: 3px;
}

.stat-chip.particles { border-top-color: #5fd7ff; }
.stat-chip.reactions { border-top-color: #ff9d5a; }
.stat-chip.discovered { border-top-color: #8de27f; }

.stat-num {
    font-size: 22px;
    font-weight: 900;
    color: #ffffff;
    text-align: center;
}

.stat-num small {
    font-size: 13px;
    font-weight: 900;
    color: #a6b8cc;
}

.stat-chip.particles .stat-num { color: #7fe3ff; }
.stat-chip.reactions .stat-num { color: #ffb27a; }
.stat-chip.discovered .stat-num { color: #9be88c; }

.stat-lbl {
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 0px;
    text-transform: uppercase;
    color: #c1cfdd;
    margin-top: 4px;
    text-align: center;
}

/* ------------------------------------------------------------------ */
/*  Lab notebook                                                       */
/* ------------------------------------------------------------------ */
.notebook {
    position: absolute;
    right: 18px;
    top: 106px;
    width: 212px;
    padding: 13px 14px;
    border-radius: 9px;
    background-color: #0b1119;
    border: 1px solid #263444;
    display: flex;
    flex-direction: column;
    gap: 3px;
    pointer-events: none;
}

.milestones {
    position: absolute;
    right: 18px;
    top: 286px;
    width: 212px;
    padding: 13px 14px;
    border-radius: 8px;
    background-color: #12140f;
    border: 1px solid #806d2c;
    display: flex;
    flex-direction: column;
    gap: 3px;
    pointer-events: none;
}

.nb-head {
    height: 18px;
    line-height: 18px;
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 1px;
    color: #b8c9dc;
    margin-bottom: 7px;
}

.nb-empty {
    font-size: 13px;
    font-weight: 800;
    line-height: 18px;
    color: #b7c7d8;
}

.nb-entry {
    min-height: 19px;
    line-height: 19px;
    font-size: 13px;
    font-weight: 900;
    color: #8de27f;
}

.milestone-entry {
    min-height: 20px;
    line-height: 20px;
    font-size: 13px;
    font-weight: 900;
    color: #ffd95a;
}

/* ------------------------------------------------------------------ */
/*  Bottom toolbar                                                     */
/* ------------------------------------------------------------------ */
.toolbar {
    position: absolute;
    left: 286px;
    right: 18px;
    bottom: 16px;
    height: 56px;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    pointer-events: all;
}

.group {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 6px;
    padding: 6px 8px;
    border-radius: 10px;
    background-color: #0d141d;
    border: 1px solid #263444;
}

.group.experiments {
    flex-grow: 1;
}

.icon-btn {
    width: 38px;
    height: 38px;
    border-radius: 7px;
    border: 1px solid #303c4a;
    background-color: #141d29;
    color: #ffffff;
    font-size: 22px;
    font-weight: 900;
    line-height: 38px;
    text-align: center;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

.readout {
    width: 30px;
    height: 38px;
    line-height: 38px;
    text-align: center;
    justify-content: center;
    align-items: center;
    font-size: 17px;
    font-weight: 900;
    color: #7fe3ff;
}

.mode-btn {
    height: 38px;
    padding: 0px 13px;
    border-radius: 7px;
    border: 1px solid #303c4a;
    background-color: #141d29;
    color: #ffffff;
    font-size: 13px;
    font-weight: 800;
    line-height: 38px;
    text-align: center;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all 0.08s ease-out;
}

.scenario-btn {
    height: 38px;
    min-width: 76px;
    padding: 0px 12px;
    border-radius: 7px;
    border: 1px solid #303c4a;
    background-color: #181d24;
    color: #ffffff;
    font-size: 13px;
    font-weight: 900;
    line-height: 38px;
    text-align: center;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

.scenario-btn:hover {
    background-color: #242b34;
    border-color: #64748a;
}

.scenario-btn.active {
    color: #12150c;
    border-color: #ffe68c;
    background-color: #ffd95a;
}

.icon-btn:hover,
.mode-btn:hover {
    background-color: #1f2c3e;
    border-color: #64748a;
}

.mode-btn.active {
    color: #6ef2ff;
    border-color: #6ef2ff;
    background-color: #16283a;
}

.mode-btn.danger {
    color: #ff9d9d;
    border-color: #ff6868;
}

.mode-btn.danger:hover {
    background-color: #3a1c1c;
}

/* ------------------------------------------------------------------ */
/*  Help overlay                                                       */
/* ------------------------------------------------------------------ */
.overlay {
    position: absolute;
    left: 0px;
    top: 0px;
    right: 0px;
    bottom: 0px;
    z-index: 50;
    justify-content: center;
    align-items: center;
    pointer-events: all;
}

.backdrop {
    position: absolute;
    left: 0px;
    top: 0px;
    right: 0px;
    bottom: 0px;
    background-color: #04070b;
    cursor: pointer;
}

.panel {
    width: 640px;
    padding: 28px 32px;
    border-radius: 16px;
    background-color: #0e1622;
    border: 1px solid #354253;
    box-shadow: 0px 24px 60px #000000;
    flex-direction: column;
    align-items: center;
}

.panel-title {
    height: 36px;
    line-height: 36px;
    font-size: 28px;
    font-weight: 900;
    color: #7fe3ff;
    margin-bottom: 18px;
}

.help-cols {
    flex-direction: row;
    gap: 36px;
}

.help-col {
    width: 270px;
    flex-direction: column;
    gap: 7px;
}

.help-h {
    height: 22px;
    line-height: 22px;
    font-size: 14px;
    font-weight: 900;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #ffd95a;
    margin-bottom: 4px;
}

.help-row {
    flex-direction: row;
    align-items: center;
    gap: 10px;
}

.help-row b {
    width: 92px;
    font-size: 12px;
    font-weight: 900;
    color: #ffffff;
}

.help-row span {
    flex-grow: 1;
    font-size: 12px;
    font-weight: 600;
    color: #b7c4d6;
}

.help-row2 {
    font-size: 12px;
    font-weight: 600;
    color: #b7c4d6;
    line-height: 18px;
}

.help-row2 b {
    font-weight: 900;
    color: #ffffff;
}

.close-btn {
    margin-top: 24px;
    width: 180px;
    height: 44px;
    border-radius: 9px;
    background-color: #1c86c8;
    border: 1px solid #5fd7ff;
    color: #ffffff;
    font-size: 15px;
    font-weight: 900;
    line-height: 44px;
    text-align: center;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

.close-btn:hover {
    background-color: #2199e0;
}

/* ------------------------------------------------------------------ */
/*  Intro / title screen                                               */
/* ------------------------------------------------------------------ */
.intro {
    position: absolute;
    left: 0px;
    top: 0px;
    right: 0px;
    bottom: 0px;
    background-color: #04060a;
    z-index: 90;
    justify-content: center;
    align-items: center;
    pointer-events: all;
    overflow: hidden;
}

.intro-canvas {
    position: absolute;
    left: -2px;
    top: -2px;
    right: -2px;
    bottom: -2px;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.intro-scrim {
    position: absolute;
    left: 0px;
    top: 0px;
    right: 0px;
    bottom: 0px;
    background-color: rgba( 4, 7, 13, 0.62 );
    pointer-events: none;
}

.intro-inner {
    position: relative;
    z-index: 1;
    flex-direction: column;
    align-items: center;
    pointer-events: none;
}

.intro-logo {
    height: 96px;
    line-height: 96px;
    font-size: 92px;
    font-weight: 900;
    letter-spacing: 8px;
    color: #aeefff;
    text-shadow: 0px 0px 38px #2bb6ff;
}

.intro-sub {
    height: 30px;
    line-height: 30px;
    font-size: 22px;
    font-weight: 800;
    color: #ffffff;
    text-shadow: 0px 2px 10px #000000;
    margin-top: 8px;
}

.intro-hint {
    height: 20px;
    line-height: 20px;
    font-size: 14px;
    font-weight: 700;
    color: #aebfd2;
    text-shadow: 0px 1px 6px #000000;
    margin-top: 12px;
}

.intro-btn {
    margin-top: 34px;
    width: 240px;
    height: 54px;
    border-radius: 11px;
    background-color: #1c86c8;
    border: 1px solid #5fd7ff;
    color: #ffffff;
    font-size: 18px;
    font-weight: 900;
    letter-spacing: 1px;
    line-height: 54px;
    text-align: center;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    pointer-events: all;
    box-shadow: 0px 0px 30px #5fd7ff;
}

.intro-foot {
    height: 18px;
    line-height: 18px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #7c90a8;
    margin-top: 20px;
}

.intro-btn:hover {
    background-color: #2199e0;
}

/* ------------------------------------------------------------------ */
/*  Swatch colours                                                     */
/* ------------------------------------------------------------------ */
.swatch.sand { background-color: #eabb55; }
.swatch.water { background-color: #297aeb; }
.swatch.oil { background-color: #2a2114; }
.swatch.smoke { background-color: #6a7078; }
.swatch.steam { background-color: #bfdff2; }
.swatch.gas { background-color: #8ded67; }
.swatch.cloud { background-color: #aebdcc; }
.swatch.tnt { background-color: #db2420; }
.swatch.c4 { background-color: #ef8638; }
.swatch.bomb { background-color: #1f2226; }
.swatch.nitro { background-color: #eb29b8; }
.swatch.fire { background-color: #ff6610; }
.swatch.spark { background-color: #fff273; }
.swatch.acid { background-color: #73ff38; }
.swatch.plant { background-color: #34b843; }
.swatch.seed { background-color: #855218; }
.swatch.vine { background-color: #1a8029; }
.swatch.fuse { background-color: #c2873f; }
.swatch.metal { background-color: #9fabb7; }
.swatch.stone { background-color: #616166; }
.swatch.glass { background-color: #a9e6ff; }
.swatch.ice { background-color: #8fd1ff; }
.swatch.salt { background-color: #ededd6; }
.swatch.mud { background-color: #5c3d1f; }
.swatch.lava { background-color: #ff6b10; }
.swatch.mercury { background-color: #ccd6e6; }
.swatch.virus { background-color: #d11fff; }
.swatch.clone { background-color: #3dffcc; }
.swatch.wall { background-color: #57606b; }
.swatch.eraser,
.swatch.erase { background-color: #141a24; }