/* static/css/editor.css — Mobile-first */

.editor-wrap {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* ── File Explorer (collapsible on mobile) ── */
.file-panel {
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
}
.file-panel.open { max-height: 250px; }

.file-panel-header {
    padding: var(--sp-2) var(--sp-3);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--divider);
    min-height: 40px;
    flex-shrink: 0;
}
.file-panel-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: var(--sp-2);
}
.file-actions { display: flex; gap: 2px; }

.file-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--sp-1);
    -webkit-overflow-scrolling: touch;
}

.file-item {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    padding: 0 var(--sp-2);
    height: 36px;
    border-radius: var(--r-sm);
    cursor: pointer;
    color: var(--text-2);
    font-size: 13px;
    font-family: var(--font-mono);
    transition: all 0.1s ease;
    position: relative;
}
.file-item:active { background: rgba(255,255,255,0.04); }
.file-item.active { background: var(--accent-dim); color: var(--accent); }
.file-item-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-item-del {
    display: none;
    background: none;
    border: none;
    color: var(--error);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    font-size: 11px;
    min-width: 28px;
    min-height: 28px;
    align-items: center;
    justify-content: center;
}
.file-item:hover .file-item-del { display: flex; }

/* ── Editor Toolbar ── */
.editor-bar {
    height: 48px;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 var(--sp-2);
    gap: var(--sp-2);
    flex-shrink: 0;
}
.filename-input {
    flex: 1;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    color: var(--text-1);
    padding: 6px 10px;
    border-radius: var(--r-sm);
    font-family: var(--font-mono);
    font-size: 13px;
    min-width: 0;
}
.filename-input:focus { outline: none; border-color: var(--accent); }

/* ── Editor Buttons ── */
.ed-btn {
    background: transparent;
    color: var(--text-2);
    border: 1px solid var(--border);
    padding: 6px 10px;
    border-radius: var(--r-sm);
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
    font-family: var(--font-ui);
    min-height: 36px;
    transition: all 0.15s ease;
    touch-action: manipulation;
}
.ed-btn:active { transform: scale(0.96); }
.ed-btn.primary { background: var(--accent-dim); color: var(--accent); border-color: rgba(255,193,7,0.2); }
.ed-btn.primary:active { background: var(--accent); color: var(--accent-text); }
.ed-btn.success { background: var(--success-dim); color: var(--success); border-color: rgba(34,197,94,0.2); }
.ed-btn.success:active { background: var(--success); color: #000; }
.ed-btn.ai { background: var(--success-dim); color: var(--success); border-color: rgba(34,197,94,0.2); }
.ed-btn.danger { color: var(--error); border-color: rgba(239,68,68,0.2); }
.ed-btn.danger:active { background: var(--error-dim); }
.ed-btn.icon-only { padding: 0; width: 36px; justify-content: center; }

/* ── Ace Editor ── */
.editor-area {
    flex: 1;
    display: flex;
    overflow: hidden;
}
#ace-editor { flex: 1; height: 100% !important; }

/* ── Preview ── */
#preview-container { display: none; flex: 1; flex-direction: column; }
#preview-container.visible { display: flex; }
.preview-bar {
    height: 36px;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--sp-3);
    font-size: 12px;
    color: var(--text-2);
    flex-shrink: 0;
}
#live-preview-frame { flex: 1; border: none; background: #fff; }
#preview-container.fullscreen {
    position: fixed;
    top: var(--topbar-h);
    left: 0; right: 0; bottom: 0;
    z-index: 9999;
}

/* ── Desktop ── */
@media (min-width: 769px) {
    .editor-wrap {
        flex-direction: row;
        padding: var(--sp-4);
        gap: var(--sp-4);
    }
    .file-panel {
        width: 240px;
        flex-shrink: 0;
        max-height: none;
        border-bottom: none;
        border: 1px solid var(--border);
        border-radius: var(--r-md);
        overflow: hidden;
    }
    .file-panel.open { max-height: none; }
    .editor-main {
        flex: 1;
        border: 1px solid var(--border);
        border-radius: var(--r-md);
        display: flex;
        flex-direction: column;
        overflow: hidden;
    }
}

/* ── Light ── */
:root.light .file-panel { background: var(--bg-surface); }
:root.light .editor-bar { background: var(--bg-surface); }
:root.light .filename-input { background: #fff; border-color: rgba(0,0,0,0.1); }
:root.light .ed-btn { border-color: rgba(0,0,0,0.1); }