/* =========================================================
   WIRELAB — CIRCUIT MASTER
   GAME STYLES
========================================================= */


/* =========================================================
   1. GAME LAYOUT
========================================================= */

.circuit-master {
    width: min(100% - 32px, 900px);
    margin: 0 auto;
    padding: 24px 0 48px;
    color: var(--wire-text);
}

.circuit-master,
.circuit-master * {
    box-sizing: border-box;
}

.cm-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 24px;
}

.cm-heading {
    min-width: 0;
}

.cm-eyebrow {
    margin: 0 0 6px;
    color: var(--wire-accent);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
}

.cm-heading h1 {
    margin: 0 0 8px;
    font-size: 38px;
    font-weight: 300;
}

.cm-heading > p:last-child {
    margin: 0;
    color: var(--wire-text2);
    line-height: 1.6;
}

.cm-score-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    min-width: 100px;
    padding: 14px 20px;
    border: 1px solid var(--wire-border);
    border-radius: 12px;
    background: var(--wire-surface);
}

.cm-stat-label {
    color: var(--wire-text3);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1.5px;
}

.cm-score-panel strong {
    margin-top: 4px;
    color: var(--wire-accent);
    font-size: 30px;
    font-weight: 500;
    font-variant-numeric: tabular-nums;
}


/* =========================================================
   2. STATUS PANEL
========================================================= */

.cm-status-panel {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
    padding: 16px;
    border: 1px solid var(--wire-border);
    border-radius: 12px;
    background: var(--wire-surface);
}

.cm-status-indicator {
    width: 12px;
    height: 12px;
    flex-shrink: 0;
    border-radius: 50%;
    background: #e5ad45;
    box-shadow: 0 0 10px #e5ad4540;
}

.cm-status-panel.is-powered .cm-status-indicator {
    background: #42dfac;
    box-shadow: 0 0 14px #42dfac90;
}

.cm-status-panel.is-error .cm-status-indicator {
    background: #ff6565;
    box-shadow: 0 0 12px #ff656550;
}

.cm-status-content {
    min-width: 0;
}

.cm-status-content strong {
    display: block;
    margin-bottom: 4px;
    font-size: 15px;
    font-weight: 500;
}

.cm-status-content p {
    margin: 0;
    color: var(--wire-text2);
    font-size: 13px;
    line-height: 1.6;
}


/* =========================================================
   3. LEVEL PANEL
========================================================= */

.cm-level-panel {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}

.cm-level-panel h2 {
    margin: 5px 0 0;
    font-size: 22px;
    font-weight: 400;
}

.cm-difficulty {
    padding: 6px 10px;
    border: 1px solid var(--wire-border);
    border-radius: 6px;
    color: var(--wire-text2);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 1px;
}


/* =========================================================
   4. CIRCUIT BOARD
========================================================= */

.cm-board-section {
    overflow: hidden;
    border: 1px solid var(--wire-border);
    border-radius: 14px;
    background: var(--wire-card);
}

.cm-board-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 18px;
    border-bottom: 1px solid var(--wire-border);
}

.cm-board-heading h2 {
    margin: 0;
    font-size: 17px;
    font-weight: 500;
}

.cm-board-heading > span {
    color: var(--wire-text3);
    font-size: 12px;
    text-align: right;
}

.cm-board {
    position: relative;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: center;
    gap: 8px;
    min-height: 320px;
    padding: 52px 12px;
    isolation: isolate;
    background-color: var(--wire-bg);
    background-image:
        radial-gradient(
            var(--wire-border2) 1px,
            transparent 1px
        );
    background-size: 20px 20px;
}

.cm-wire-layer {
    position: absolute;
    inset: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
    overflow: visible;
    pointer-events: none;
}

.cm-wire {
    fill: none;
    stroke: #46cdbb;
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.cm-wire.is-powered {
    stroke: #54f0bf;
    stroke-width: 4;
    filter: drop-shadow(0 0 4px #54f0bf90);
}

.cm-wire.is-selected {
    stroke: #e6bd65;
    stroke-width: 4;
    stroke-dasharray: 7 5;
}

.cm-wire-endpoint {
    fill: #46cdbb;
    stroke: var(--wire-bg);
    stroke-width: 2;
}


/* =========================================================
   5. COMPONENT CARDS
========================================================= */

.cm-component {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    min-width: 0;
    padding: 20px 8px;
    border: 1px solid var(--wire-border);
    border-radius: 12px;
    background: var(--wire-surface);
    text-align: center;
    transition:
        border-color 0.2s ease,
        box-shadow 0.2s ease,
        background 0.2s ease;
}

.cm-component-body {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    min-width: 0;
}

.cm-component-body strong {
    font-size: 14px;
    font-weight: 500;
}

.cm-component-detail {
    color: var(--wire-text3);
    font-size: 11px;
    letter-spacing: 1px;
}

.cm-component-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    color: var(--wire-text2);
    font-size: 35px;
    line-height: 1;
}

.cm-battery .cm-component-icon {
    color: #e5bd64;
}

.cm-switch .cm-component-icon {
    color: #e5bd64;
}

.cm-component.is-connected {
    border-color: var(--wire-accent);
}

.cm-component.is-powered {
    border-color: #42dfac;
    box-shadow: 0 0 18px #42dfac18;
}


/* =========================================================
   6. CLICKABLE TERMINALS
========================================================= */

.cm-terminal-group {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    width: 100%;
}

.cm-terminal {
    position: relative;
    z-index: 4;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    flex-shrink: 0;
    padding: 0;
    border: 2px solid var(--wire-border2);
    border-radius: 50%;
    background: var(--wire-bg);
    color: var(--wire-text);
    font: inherit;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    touch-action: manipulation;
    transition:
        border-color 0.15s ease,
        background 0.15s ease,
        box-shadow 0.15s ease,
        transform 0.15s ease;
}

.cm-terminal:hover {
    border-color: var(--wire-accent);
    transform: scale(1.08);
}

.cm-terminal:focus-visible,
.cm-button:focus-visible,
.cm-switch-toggle:focus-visible {
    outline: 2px solid var(--wire-accent);
    outline-offset: 3px;
}

.cm-terminal.is-selected {
    border-color: #e5bd64;
    background: #e5bd6425;
    box-shadow: 0 0 0 4px #e5bd6418;
}

.cm-terminal.is-connected {
    border-color: #46cdbb;
    background: #46cdbb20;
}

.cm-terminal.cm-positive {
    color: #ff7777;
}

.cm-terminal.cm-negative {
    color: #6daeff;
}


/* =========================================================
   7. SWITCH CONTROL
========================================================= */

.cm-switch-toggle {
    position: relative;
    z-index: 4;
    max-width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--wire-border);
    border-radius: 7px;
    background: var(--wire-bg);
    color: var(--wire-text);
    font: inherit;
    font-size: 11px;
    cursor: pointer;
    touch-action: manipulation;
}

.cm-switch-toggle:hover {
    border-color: var(--wire-accent);
}

.cm-switch.is-closed {
    border-color: #42dfac;
}

.cm-switch.is-closed .cm-component-icon {
    color: #42dfac;
}


/* =========================================================
   8. LIGHT BULB
========================================================= */

.cm-bulb-glow {
    position: absolute;
    top: 0;
    left: 50%;
    width: 65px;
    height: 65px;
    border-radius: 50%;
    background: #f4c95d;
    opacity: 0;
    filter: blur(22px);
    pointer-events: none;
    transform: translate(-50%, -12%);
    transition: opacity 0.25s ease;
}

.cm-bulb .cm-component-icon {
    position: relative;
    z-index: 1;
    color: var(--wire-text3);
    font-size: 42px;
    transition:
        color 0.25s ease,
        filter 0.25s ease;
}

.cm-bulb.is-lit {
    border-color: #e8c76b;
    background:
        linear-gradient(
            145deg,
            var(--wire-surface),
            #e8c76b12
        );
    box-shadow: 0 0 24px #e8c76b20;
}

.cm-bulb.is-lit .cm-bulb-glow {
    opacity: 0.6;
}

.cm-bulb.is-lit .cm-component-icon {
    color: #ffdc72;
    filter: drop-shadow(0 0 9px #ffdc72a0);
}

.cm-bulb.is-lit .cm-component-detail {
    color: #e8c76b;
}


/* =========================================================
   9. CONNECTION HELP
========================================================= */

.cm-connection-help {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    padding: 14px 18px;
    border-top: 1px solid var(--wire-border);
    color: var(--wire-text2);
    font-size: 12px;
    line-height: 1.6;
}

.cm-help-icon {
    flex-shrink: 0;
    color: var(--wire-accent);
}


/* =========================================================
   10. GAME CONTROLS
========================================================= */

.cm-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 16px 0 24px;
}

.cm-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 10px 16px;
    border: 1px solid var(--wire-border);
    border-radius: 8px;
    font: inherit;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    touch-action: manipulation;
    transition:
        border-color 0.2s ease,
        background 0.2s ease,
        transform 0.2s ease;
}

.cm-button:hover {
    transform: translateY(-1px);
}

.cm-button-secondary {
    background: var(--wire-surface);
    color: var(--wire-text);
}

.cm-button-secondary:hover {
    border-color: var(--wire-accent);
}

.cm-button-primary {
    margin-left: auto;
    border-color: var(--wire-accent);
    background: var(--wire-accent);
    color: var(--wire-bg);
}

.cm-button-primary:hover {
    filter: brightness(1.08);
}


/* =========================================================
   11. OBJECTIVE PANEL
========================================================= */

.cm-objective {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    border: 1px solid var(--wire-border);
    border-radius: 12px;
    background: var(--wire-surface);
}

.cm-objective-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    flex-shrink: 0;
    border: 1px solid var(--wire-border);
    border-radius: 10px;
    color: var(--wire-accent);
    font-size: 22px;
}

.cm-objective h2 {
    margin: 0 0 8px;
    font-size: 18px;
    font-weight: 500;
}

.cm-objective p,
.cm-objective li {
    color: var(--wire-text2);
    font-size: 13px;
    line-height: 1.7;
}

.cm-objective p {
    margin: 0 0 10px;
}

.cm-objective ul {
    margin: 0;
    padding-left: 20px;
}


/* =========================================================
   12. FEEDBACK
========================================================= */

.cm-feedback {
    margin-top: 16px;
    padding: 16px;
    border: 1px solid var(--wire-border);
    border-radius: 10px;
    background: var(--wire-surface);
    color: var(--wire-text2);
    font-size: 13px;
    line-height: 1.7;
}

.cm-feedback[hidden] {
    display: none;
}

.cm-feedback.is-success {
    border-color: #42dfac;
}

.cm-feedback.is-error {
    border-color: #ff7777;
}


/* =========================================================
   13. RESPONSIVE LAYOUT
========================================================= */

@media (max-width: 600px) {

    .circuit-master {
        width: calc(100% - 24px);
        padding-top: 18px;
    }

    .cm-header {
        align-items: flex-start;
        gap: 10px;
    }

    .cm-heading h1 {
        font-size: 29px;
    }

    .cm-heading > p:last-child {
        font-size: 13px;
    }

    .cm-score-panel {
        min-width: 76px;
        padding: 11px;
    }

    .cm-score-panel strong {
        font-size: 25px;
    }

    .cm-board-heading {
        align-items: flex-start;
        flex-direction: column;
        gap: 6px;
    }

    .cm-board-heading > span {
        text-align: left;
    }

    .cm-board {
        gap: 5px;
        min-height: 270px;
        padding: 35px 5px;
    }

    .cm-component {
        gap: 12px;
        padding: 16px 3px;
    }

    .cm-component-body strong {
        font-size: 12px;
    }

    .cm-component-detail {
        font-size: 10px;
    }

    .cm-component-icon {
        font-size: 29px;
    }

    .cm-bulb .cm-component-icon {
        font-size: 35px;
    }

    .cm-terminal-group {
        gap: 8px;
    }

    .cm-terminal {
        width: 30px;
        height: 30px;
        font-size: 11px;
    }

    .cm-switch-toggle {
        padding: 7px 5px;
        font-size: 10px;
    }

    .cm-controls {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .cm-button {
        padding: 10px 8px;
        font-size: 12px;
    }

    .cm-button-primary {
        grid-column: 1 / -1;
        margin-left: 0;
    }

    .cm-objective {
        gap: 12px;
        padding: 15px;
    }

}

@media (prefers-reduced-motion: reduce) {

    .cm-component,
    .cm-terminal,
    .cm-button,
    .cm-bulb-glow,
    .cm-bulb .cm-component-icon {
        transition: none;
    }

}