/* ===== GameBox Code Panel — Interactive Source Viewer ===== */

/* --- Toggle Button --- */
.cp-toggle {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 10001;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: 2px solid var(--gb-accent, #38b2ac);
    background: var(--gb-surface, #1a1d2e);
    color: var(--gb-accent, #38b2ac);
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
    transition: transform 0.2s, background 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.cp-toggle:hover {
    transform: scale(1.08);
    background: var(--gb-accent, #38b2ac);
    color: #fff;
}
body.cp-open .cp-toggle { display: none; }

/* --- Panel --- */
.cp-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 0;
    height: 100vh;
    background: var(--gb-bg, #0f1117);
    border-left: 1px solid var(--gb-border, #2d3148);
    z-index: 10000;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: var(--gb-font, 'Inter'), sans-serif;
}
body.cp-open .cp-panel {
    width: min(50vw, 720px);
}
body.cp-open .back-link,
body.cp-open .game-shell,
body.cp-open .skip-link {
    transition: margin-right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    margin-right: min(50vw, 720px);
}

/* --- Header --- */
.cp-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--gb-border, #2d3148);
    flex-shrink: 0;
}
.cp-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--gb-text, #e8eaed);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.cp-title small {
    color: var(--gb-text-muted, #a0aec0);
    font-weight: 400;
    margin-left: 6px;
}
.cp-actions {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}
.cp-hbtn {
    padding: 5px 10px;
    border: 1px solid var(--gb-border, #2d3148);
    border-radius: var(--gb-radius-sm, 8px);
    background: transparent;
    color: var(--gb-text-muted, #a0aec0);
    font-size: 12px;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}
.cp-hbtn:hover {
    background: var(--gb-surface, #1a1d2e);
    color: var(--gb-text, #e8eaed);
}
.cp-close { font-size: 16px; line-height: 1; }

/* --- Search --- */
.cp-search-bar {
    padding: 8px 16px;
    border-bottom: 1px solid var(--gb-border, #2d3148);
    flex-shrink: 0;
}
.cp-search {
    width: 100%;
    padding: 6px 10px;
    border: 1px solid var(--gb-border, #2d3148);
    border-radius: var(--gb-radius-sm, 8px);
    background: var(--gb-surface, #1a1d2e);
    color: var(--gb-text, #e8eaed);
    font-size: 13px;
    outline: none;
    box-sizing: border-box;
}
.cp-search:focus { border-color: var(--gb-accent, #38b2ac); }
.cp-search::placeholder { color: var(--gb-text-muted, #a0aec0); }

/* --- Section Navigation --- */
.cp-nav {
    padding: 8px 16px;
    border-bottom: 1px solid var(--gb-border, #2d3148);
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    align-items: center;
    flex-shrink: 0;
    max-height: 80px;
    overflow-y: auto;
}
.cp-nav[hidden] { display: none; }
.cp-nav-label {
    font-size: 11px;
    color: var(--gb-text-muted, #a0aec0);
    text-transform: uppercase;
    font-weight: 600;
    margin-right: 4px;
}
.cp-nav-btn {
    padding: 3px 8px;
    border: 1px solid var(--gb-border, #2d3148);
    border-radius: 4px;
    background: transparent;
    color: var(--gb-text-muted, #a0aec0);
    font-size: 11px;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
}
.cp-nav-btn:hover {
    border-color: var(--gb-accent, #38b2ac);
    color: var(--gb-text, #e8eaed);
}
.cp-nav-btn.active {
    background: var(--gb-accent, #38b2ac);
    border-color: var(--gb-accent, #38b2ac);
    color: #fff;
}

/* --- Code Display --- */
.cp-code-wrap {
    flex: 1;
    overflow: auto;
}
.cp-pre {
    margin: 0;
    padding: 0;
    background: transparent;
}
.cp-code {
    display: block;
    padding: 12px 0;
    font-family: 'Consolas', 'Monaco', 'Fira Code', 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.65;
    color: var(--gb-text, #e8eaed);
    tab-size: 4;
}
.cp-line {
    display: block;
    padding: 0 16px 0 0;
    white-space: pre;
    border-left: 3px solid transparent;
    transition: background 0.15s, border-color 0.15s;
}
.cp-line:hover { background: rgba(255, 255, 255, 0.025); }
.cp-ln {
    display: inline-block;
    width: 44px;
    padding-right: 12px;
    text-align: right;
    color: var(--gb-text-muted, #a0aec0);
    opacity: 0.35;
    -webkit-user-select: none;
    user-select: none;
    font-size: 12px;
}
/* Section highlight */
.cp-line.cp-hl {
    background: rgba(56, 178, 172, 0.06);
    border-left-color: var(--gb-accent, #38b2ac);
}
/* Flash on scroll-to */
.cp-line.cp-flash { animation: cpFlash 1.2s ease; }
@keyframes cpFlash {
    0%, 100% { background: transparent; }
    15%, 40% { background: rgba(56, 178, 172, 0.15); }
}
/* Search hit */
.cp-line.cp-search-hit {
    background: rgba(236, 201, 75, 0.08);
    border-left-color: var(--gb-warning, #ecc94b);
}

/* --- Syntax Colors --- */
.cp-kw  { color: #c792ea; }
.cp-str { color: #c3e88d; }
.cp-cm  { color: #546e7a; font-style: italic; }
.cp-num { color: #f78c6c; }

/* --- Editor --- */
.cp-editor-wrap {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.cp-editor-wrap[hidden] { display: none; }
.cp-textarea {
    flex: 1;
    width: 100%;
    padding: 12px 16px;
    border: none;
    background: #0a0c14;
    color: var(--gb-text, #e8eaed);
    font-family: 'Consolas', 'Monaco', 'Fira Code', 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.65;
    resize: none;
    outline: none;
    tab-size: 4;
    box-sizing: border-box;
}
.cp-editor-actions {
    display: flex;
    gap: 8px;
    padding: 10px 16px;
    border-top: 1px solid var(--gb-border, #2d3148);
    flex-shrink: 0;
}
.cp-run {
    background: var(--gb-accent, #38b2ac) !important;
    color: #fff !important;
    border-color: var(--gb-accent, #38b2ac) !important;
}
.cp-run:hover { opacity: 0.9; }

/* --- Sandbox iframe --- */
.cp-sandbox {
    width: 100%;
    min-height: 70vh;
    border: 2px solid var(--gb-accent, #38b2ac);
    border-radius: var(--gb-radius, 12px);
    background: var(--gb-bg, #0f1117);
}

/* --- Info bar --- */
.cp-info {
    padding: 8px 16px;
    font-size: 12px;
    color: var(--gb-text-muted, #a0aec0);
    border-top: 1px solid var(--gb-border, #2d3148);
    flex-shrink: 0;
}
.cp-info kbd {
    padding: 1px 5px;
    border: 1px solid var(--gb-border, #2d3148);
    border-radius: 3px;
    background: var(--gb-surface, #1a1d2e);
    font-family: inherit;
    font-size: 11px;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    body.cp-open .cp-panel { width: 100vw; }
    body.cp-open .back-link,
    body.cp-open .game-shell,
    body.cp-open .skip-link {
        margin-right: 0;
        display: none;
    }
    .cp-toggle {
        bottom: 16px;
        right: 16px;
        width: 44px;
        height: 44px;
        font-size: 12px;
    }
}
@media (prefers-reduced-motion: reduce) {
    .cp-panel, .cp-line, .cp-toggle { transition: none !important; }
    .cp-line.cp-flash { animation: none; }
}