/* ============================================
   CANVAS-INTERACT.CSS — Selection, handles,
   grid overlay, alignment guides, toolbar
   ============================================ */

/* ===== SELECTION OUTLINE ===== */
.ci-selected {
    outline: 2px solid var(--accent-teal) !important;
    outline-offset: 1px;
    cursor: move !important;
    z-index: 900 !important;
}

.ci-is-interacting {
    opacity: 0.65 !important;
    transition: opacity 0.15s ease;
}

/* ===== RESIZE HANDLES ===== */
.ci-handle {
    position: absolute;
    width: 10px;
    height: 10px;
    background: #fff;
    border: 2px solid var(--accent-teal, #03DAC5);
    border-radius: 2px;
    z-index: 1001;
    pointer-events: auto;
    box-shadow: 0 1px 4px rgba(0,0,0,0.4);
    transition: background 0.15s, transform 0.15s;
}

.ci-handle:hover {
    background: var(--accent-teal, #03DAC5);
    transform: scale(1.3);
}

/* Handle cursors */
.ci-handle-nw { cursor: nw-resize; }
.ci-handle-n  { cursor: n-resize;  }
.ci-handle-ne { cursor: ne-resize; }
.ci-handle-e  { cursor: e-resize;  }
.ci-handle-se { cursor: se-resize; }
.ci-handle-s  { cursor: s-resize;  }
.ci-handle-sw { cursor: sw-resize; }
.ci-handle-w  { cursor: w-resize;  }

/* ===== HANDLES CONTAINER ===== */
.ci-handles-container {
    position: absolute;
    pointer-events: none;
    z-index: 1000;
    inset: 0;
}

/* ===== GRID OVERLAY ===== */
.ci-grid-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 995;
    opacity: 0;
    transition: opacity 0.25s ease;
}

.ci-grid-overlay.active {
    opacity: 1;
}

.ci-grid-overlay-10 {
    background-image:
        repeating-linear-gradient(0deg,   rgba(255,255,255,0.06) 0px, rgba(255,255,255,0.06) 1px, transparent 1px, transparent 10px),
        repeating-linear-gradient(90deg,  rgba(255,255,255,0.06) 0px, rgba(255,255,255,0.06) 1px, transparent 1px, transparent 10px);
}

.ci-grid-overlay-20 {
    background-image:
        repeating-linear-gradient(0deg,   rgba(255,255,255,0.07) 0px, rgba(255,255,255,0.07) 1px, transparent 1px, transparent 20px),
        repeating-linear-gradient(90deg,  rgba(255,255,255,0.07) 0px, rgba(255,255,255,0.07) 1px, transparent 1px, transparent 20px);
}

.ci-grid-overlay-40 {
    background-image:
        repeating-linear-gradient(0deg,   rgba(255,255,255,0.08) 0px, rgba(255,255,255,0.08) 1px, transparent 1px, transparent 40px),
        repeating-linear-gradient(90deg,  rgba(255,255,255,0.08) 0px, rgba(255,255,255,0.08) 1px, transparent 1px, transparent 40px);
}

.ci-grid-overlay-60 {
    background-image:
        repeating-linear-gradient(0deg,   rgba(255,255,255,0.09) 0px, rgba(255,255,255,0.09) 1px, transparent 1px, transparent 60px),
        repeating-linear-gradient(90deg,  rgba(255,255,255,0.09) 0px, rgba(255,255,255,0.09) 1px, transparent 1px, transparent 60px);
}

/* ===== ALIGNMENT GUIDES ===== */
.ci-guide {
    position: absolute;
    pointer-events: none;
    z-index: 996;
    opacity: 0;
    transition: opacity 0.12s ease;
}

.ci-guide.visible {
    opacity: 1;
}

.ci-guide-h {
    height: 1px;
    left: 0;
    right: 0;
    background: linear-gradient(90deg, transparent, #ff4081, #ff4081, transparent);
}

.ci-guide-v {
    width: 1px;
    top: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent, #ff4081, #ff4081, transparent);
}

/* Center guides — slightly different color */
.ci-guide-center {
    background: linear-gradient(90deg, transparent, #40c4ff, #40c4ff, transparent) !important;
}
.ci-guide-center.ci-guide-v {
    background: linear-gradient(180deg, transparent, #40c4ff, #40c4ff, transparent) !important;
}

/* ===== DIMENSION TOOLTIP ===== */
.ci-dimension-tip {
    position: absolute;
    background: rgba(0,0,0,0.85);
    color: #fff;
    font-size: 10px;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 4px;
    z-index: 1002;
    pointer-events: none;
    white-space: nowrap;
    font-family: 'Segoe UI', system-ui, monospace;
    letter-spacing: 0.3px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.5);
    opacity: 0;
    transition: opacity 0.15s ease;
}

.ci-dimension-tip.visible {
    opacity: 1;
}

/* ===== POSITION TOOLTIP ===== */
.ci-position-tip {
    position: absolute;
    background: rgba(103,80,164,0.9);
    color: #fff;
    font-size: 9px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 3px;
    z-index: 1002;
    pointer-events: none;
    white-space: nowrap;
    font-family: monospace;
    opacity: 0;
    transition: opacity 0.15s ease;
}

.ci-position-tip.visible {
    opacity: 1;
}

/* ===== TOOLBAR: GRID & ALIGNMENT GROUP ===== */
.ci-toolbar-group {
    display: flex;
    gap: 4px;
    align-items: center;
}

.ci-toolbar-divider {
    width: 1px;
    height: 20px;
    background: var(--border-color);
    margin: 0 4px;
}

.ci-grid-select {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-gray);
    font-size: 10px;
    padding: 3px 4px;
    border-radius: 4px;
    cursor: pointer;
    font-family: inherit;
}
.ci-grid-select:focus { outline: none; border-color: var(--accent-purple); }

.ci-align-btn {
    width: 26px;
    height: 26px;
    border-radius: 5px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-gray);
    cursor: pointer;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
    padding: 0;
}

.ci-align-btn:hover {
    border-color: var(--accent-teal);
    color: var(--accent-teal);
    background: rgba(3,218,197,0.08);
}

.ci-align-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.ci-align-btn:disabled:hover {
    border-color: var(--border-color);
    color: var(--text-gray);
    background: var(--card-bg);
}

/* Grid toggle active state */
.ci-grid-active {
    border-color: var(--accent-teal) !important;
    color: var(--accent-teal) !important;
    background: rgba(3,218,197,0.15) !important;
    box-shadow: 0 0 6px rgba(3,218,197,0.25);
}

/* ===== SNAP INDICATOR (brief flash) ===== */
@keyframes ci-snap-flash {
    0%   { box-shadow: 0 0 0 0 rgba(3,218,197,0.6); }
    50%  { box-shadow: 0 0 12px 3px rgba(3,218,197,0.3); }
    100% { box-shadow: 0 0 0 0 rgba(3,218,197,0); }
}

.ci-snap-flash {
    animation: ci-snap-flash 0.3s ease-out;
}

/* ===== LAYER PANEL ===== */
.layer-row {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 8px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-bottom: 4px;
    cursor: pointer;
    transition: all 0.15s;
    background: var(--card-bg);
}
.layer-row:hover { border-color: var(--accent-teal); background: rgba(3,218,197,0.04); }
.layer-row.layer-selected { border-color: var(--accent-teal); background: rgba(3,218,197,0.1); box-shadow: 0 0 8px rgba(3,218,197,0.15); }
.layer-row.layer-hidden { opacity: 0.4; }
.layer-name { flex: 1; font-size: 11px; color: var(--text-white); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.layer-vis-btn, .layer-lock-btn {
    background: none; border: none; cursor: pointer; font-size: 13px; padding: 2px 4px;
    border-radius: 4px; transition: background 0.15s;
}
.layer-vis-btn:hover, .layer-lock-btn:hover { background: rgba(255,255,255,0.08); }
.layer-order-input {
    width: 32px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-color);
    color: var(--text-white);
    border-radius: 4px;
    font-size: 11px;
    text-align: center;
    padding: 2px;
    outline: none;
    transition: all 0.15s;
    -moz-appearance: textfield;
}
.layer-order-input::-webkit-inner-spin-button,
.layer-order-input::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.layer-order-input:focus {
    border-color: var(--accent-teal);
    background: rgba(3,218,197,0.1);
}
.help-text { font-size: 11px; color: var(--text-gray); line-height: 1.5; margin-bottom: 10px; }
.full-width { width: 100%; }
.mt-10 { margin-top: 10px; }

/* ===== ELEMENT PROPERTIES PANEL ===== */
.elem-props-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}
.elem-prop-field {
    display: flex;
    align-items: center;
    gap: 4px;
    background: var(--input-bg, #0d0d1a);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 5px 8px;
    transition: border-color 0.15s;
}
.elem-prop-field:focus-within {
    border-color: var(--accent-teal);
}
.elem-prop-field label {
    font-size: 10px;
    font-weight: 700;
    color: var(--accent-teal);
    min-width: 14px;
    text-align: center;
}
.elem-prop-field input {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-white);
    font-size: 12px;
    font-family: 'Segoe UI', system-ui, monospace;
    width: 50px;
    outline: none;
    padding: 0;
}
.elem-prop-field input::-webkit-inner-spin-button { opacity: 0.3; }
.elem-prop-field span {
    font-size: 9px;
    color: var(--text-gray);
    opacity: 0.5;
}