/* ── ArcadiaDragGrid ── */
/* Core styles for the drag-and-drop dashboard grid */

/* ── Grid Container ── */

.arcadia-draggrid {
    display: grid;
    position: relative;
    grid-template-columns: repeat(var(--arcadia-draggrid-columns, 12), 1fr);
    grid-auto-rows: var(--arcadia-draggrid-row-height, 120px);
    gap: var(--arcadia-draggrid-gap, 16px);
    padding: var(--arcadia-draggrid-padding, 16px);
    min-height: 200px;
}

/* ── Edit Mode ── */

.arcadia-draggrid--edit {
    background-image:
        radial-gradient(
            circle,
            var(--arcadia-color-border, rgba(139, 92, 246, 0.15)) 1px,
            transparent 1px
        );
    background-size:
        calc((100% - (var(--arcadia-draggrid-columns, 12) - 1) * var(--arcadia-draggrid-gap, 16px)) / var(--arcadia-draggrid-columns, 12) + var(--arcadia-draggrid-gap, 16px))
        calc(var(--arcadia-draggrid-row-height, 120px) + var(--arcadia-draggrid-gap, 16px));
    background-position: calc(var(--arcadia-draggrid-gap, 16px) / 2) calc(var(--arcadia-draggrid-gap, 16px) / 2);
}

/* ── Grid Item ── */

.arcadia-draggrid__item {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--arcadia-color-surface, #1a1430);
    border: 1px solid var(--arcadia-color-border, rgba(139, 92, 246, 0.15));
    border-radius: 12px;
    overflow: hidden;
    box-shadow:
        0 1px 3px rgba(0, 0, 0, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 0.04);
    transition:
        box-shadow 0.25s cubic-bezier(0.2, 0, 0, 1),
        border-color 0.25s cubic-bezier(0.2, 0, 0, 1);
}

.arcadia-draggrid__item:hover {
    border-color: var(--arcadia-color-border-hover, rgba(139, 92, 246, 0.25));
}

/* ── Dragging State ── */

.arcadia-draggrid__item--dragging {
    z-index: 9999;
    will-change: transform;
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.35),
        0 8px 20px rgba(0, 0, 0, 0.2),
        0 0 0 1px var(--arcadia-color-primary, #8b5cf6),
        inset 0 1px 0 rgba(255, 255, 255, 0.06);
    border-color: var(--arcadia-color-primary, #8b5cf6);
    cursor: grabbing;
}

/* ── Locked State ── */

.arcadia-draggrid__item--locked {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.arcadia-draggrid__item--locked::after {
    content: '';
    position: absolute;
    top: 8px;
    right: 8px;
    width: 16px;
    height: 16px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23f1f0f9'%3E%3Cpath d='M11.5 6V4.5a3.5 3.5 0 0 0-7 0V6H3v7.5A1.5 1.5 0 0 0 4.5 15h7a1.5 1.5 0 0 0 1.5-1.5V6h-1.5Zm-5-1.5a1.5 1.5 0 0 1 3 0V6h-3V4.5Z'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0.5;
    pointer-events: none;
}

/* ── Resizing State ── */

.arcadia-draggrid__item--resizing {
    cursor: se-resize;
    outline: 2px dashed var(--arcadia-color-primary, #8b5cf6);
    outline-offset: 2px;
    z-index: 100;
}

/* ── Drag Handle ── */

.arcadia-draggrid__handle {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    cursor: grab;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
    border-bottom: 1px solid var(--arcadia-color-border, rgba(139, 92, 246, 0.15));
    background:
        linear-gradient(
            180deg,
            rgba(255, 255, 255, 0.04) 0%,
            rgba(255, 255, 255, 0.01) 100%
        );
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition:
        background 0.2s ease,
        border-color 0.2s ease;
}

.arcadia-draggrid__handle:hover {
    background:
        linear-gradient(
            180deg,
            rgba(255, 255, 255, 0.07) 0%,
            rgba(255, 255, 255, 0.02) 100%
        );
}

.arcadia-draggrid__handle:active {
    cursor: grabbing;
}

/* ── Handle Grip Icon ── */

.arcadia-draggrid__grip-icon {
    flex-shrink: 0;
    color: var(--arcadia-color-muted, #6b6890);
    opacity: 0.5;
    transition: opacity 0.2s ease;
    pointer-events: none;
}

.arcadia-draggrid__handle:hover .arcadia-draggrid__grip-icon {
    opacity: 0.9;
    color: var(--arcadia-color-text, #f1f0f9);
}

/* ── Item Content ── */

.arcadia-draggrid__item-content {
    flex: 1;
    overflow: auto;
    padding: 12px 16px;
    color: var(--arcadia-color-text, #f1f0f9);
}

/* ── Placeholder ── */

.arcadia-draggrid__placeholder {
    border: 2px dashed var(--arcadia-color-primary, #8b5cf6);
    border-radius: 12px;
    background: rgba(139, 92, 246, 0.08);
    box-shadow: inset 0 0 20px rgba(139, 92, 246, 0.08);
    animation: arcadia-draggrid-placeholder-pulse 2s ease-in-out infinite;
    min-height: 60px;
}

@keyframes arcadia-draggrid-placeholder-pulse {
    0%, 100% { background: rgba(139, 92, 246, 0.06); border-color: rgba(139, 92, 246, 0.3); }
    50% { background: rgba(139, 92, 246, 0.15); border-color: rgba(139, 92, 246, 0.6); }
}

/* Drop target highlight — item being hovered over during drag */
.arcadia-draggrid__item--drop-target {
    outline: 2px solid var(--arcadia-color-primary, #8b5cf6);
    outline-offset: 2px;
    box-shadow: 0 0 16px rgba(139, 92, 246, 0.2);
}

/* ── Resize Handle ── */

.arcadia-draggrid__resize-handle {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 20px;
    height: 20px;
    cursor: se-resize;
    touch-action: none;
    opacity: 0;
    transition: opacity 0.2s ease;
    z-index: 10;
}

.arcadia-draggrid__resize-handle::before {
    content: '';
    position: absolute;
    bottom: 4px;
    right: 4px;
    width: 10px;
    height: 10px;
    border-right: 2px solid var(--arcadia-color-primary, #8b5cf6);
    border-bottom: 2px solid var(--arcadia-color-primary, #8b5cf6);
    border-radius: 0 0 3px 0;
    opacity: 0.6;
}

.arcadia-draggrid__item:hover .arcadia-draggrid__resize-handle,
.arcadia-draggrid__item--resizing .arcadia-draggrid__resize-handle {
    opacity: 1;
}

/* ── Edit Mode: show handles and resize grips ── */

.arcadia-draggrid:not(.arcadia-draggrid--edit) .arcadia-draggrid__handle {
    cursor: default;
}

.arcadia-draggrid:not(.arcadia-draggrid--edit) .arcadia-draggrid__grip-icon {
    display: none;
}

.arcadia-draggrid:not(.arcadia-draggrid--edit) .arcadia-draggrid__resize-handle {
    display: none;
}

/* ── Toolbar (Add Panel) ── */

.arcadia-draggrid__toolbar {
    display: flex;
    justify-content: flex-end;
    padding: 8px 16px;
    gap: 8px;
}

.arcadia-draggrid__add-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--arcadia-color-text, #f1f0f9);
    background: var(--arcadia-color-surface, #1a1430);
    border: 1px solid var(--arcadia-color-border, rgba(139, 92, 246, 0.15));
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.arcadia-draggrid__add-btn:hover {
    background: rgba(139, 92, 246, 0.15);
    border-color: var(--arcadia-color-primary, #8b5cf6);
}

.arcadia-draggrid__add-btn:focus-visible {
    outline: 2px solid var(--arcadia-color-primary, #8b5cf6);
    outline-offset: 2px;
}

/* ── Remove Button ── */

.arcadia-draggrid__remove-btn {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    padding: 0;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: var(--arcadia-color-muted, #6b6890);
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
    flex-shrink: 0;
}

.arcadia-draggrid__remove-btn:hover {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.arcadia-draggrid__remove-btn:focus-visible {
    outline: 2px solid var(--arcadia-color-primary, #8b5cf6);
    outline-offset: 2px;
}

/* ── Keyboard Drag State ── */

.arcadia-draggrid__item--keyboard-dragging {
    outline: 2px solid var(--arcadia-color-primary, #8b5cf6);
    outline-offset: 2px;
    box-shadow:
        0 0 0 4px rgba(139, 92, 246, 0.2),
        0 8px 24px rgba(0, 0, 0, 0.2);
}

/* ── Focus visible for keyboard nav ── */

.arcadia-draggrid__item:focus-visible {
    outline: 2px solid var(--arcadia-color-primary, #8b5cf6);
    outline-offset: 2px;
}

/* ── Floating Items ── */

.arcadia-draggrid__item--floating {
    position: absolute;
    z-index: 50;
    box-shadow:
        0 8px 30px rgba(0, 0, 0, 0.25),
        0 4px 12px rgba(0, 0, 0, 0.15);
}

/* ── Screen Reader Only ── */

.arcadia-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ── iOS Wiggle Mode ── */

@keyframes arcadia-wiggle {
    0%   { transform: rotate(0deg); }
    25%  { transform: rotate(-1.2deg); }
    50%  { transform: rotate(0deg); }
    75%  { transform: rotate(1.2deg); }
    100% { transform: rotate(0deg); }
}

.arcadia-draggrid--wiggle .arcadia-draggrid__item:not(.arcadia-draggrid__item--locked):not(.arcadia-draggrid__item--dragging) {
    animation: arcadia-wiggle 0.3s ease-in-out infinite;
    cursor: grab;
}

/* Stagger the jiggle so cards don't all move in sync */
.arcadia-draggrid--wiggle .arcadia-draggrid__item:nth-child(2n) {
    animation-delay: -0.08s;
}
.arcadia-draggrid--wiggle .arcadia-draggrid__item:nth-child(3n) {
    animation-delay: -0.15s;
    animation-duration: 0.28s;
}
.arcadia-draggrid--wiggle .arcadia-draggrid__item:nth-child(5n) {
    animation-delay: -0.05s;
    animation-duration: 0.32s;
}
.arcadia-draggrid--wiggle .arcadia-draggrid__item:nth-child(7n) {
    animation-delay: -0.12s;
}

/* Locked items don't wiggle — show a subtle lock indicator */
.arcadia-draggrid--wiggle .arcadia-draggrid__item--locked {
    opacity: 0.6;
}

/* Hide grip icon in longpress mode when not wiggling */
.arcadia-draggrid--mode-longpress:not(.arcadia-draggrid--wiggle) .arcadia-draggrid__grip-icon {
    display: none;
}
.arcadia-draggrid--mode-longpress:not(.arcadia-draggrid--wiggle) .arcadia-draggrid__resize-handle {
    display: none;
}
.arcadia-draggrid--mode-longpress:not(.arcadia-draggrid--wiggle) .arcadia-draggrid__remove-btn {
    display: none;
}

/* Done button — fixed at bottom of viewport so it's always reachable */
.arcadia-draggrid__wiggle-toolbar {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10000;
    animation: arcadia-done-slide-up 0.3s ease-out;
}

@keyframes arcadia-done-slide-up {
    from { opacity: 0; transform: translateX(-50%) translateY(20px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

.arcadia-draggrid__done-btn {
    padding: 10px 40px;
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    background: var(--arcadia-color-primary, #8b5cf6);
    border: none;
    border-radius: 24px;
    cursor: pointer;
    transition: background 0.15s, transform 0.15s;
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4), 0 2px 8px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(8px);
}
.arcadia-draggrid__done-btn:hover {
    background: #7c3aed;
    transform: scale(1.05);
}
.arcadia-draggrid__done-btn:active {
    transform: scale(0.95);
}

/* ── Reduced Motion ── */

@media (prefers-reduced-motion: reduce) {
    .arcadia-draggrid__item {
        transition: none;
    }

    .arcadia-draggrid--wiggle .arcadia-draggrid__item {
        animation: none;
    }

    .arcadia-draggrid__item--dragging {
        transition: none;
    }

    .arcadia-draggrid__handle {
        transition: none;
    }

    .arcadia-draggrid__grip-icon {
        transition: none;
    }

    .arcadia-draggrid__placeholder {
        transition: none;
        animation: none;
    }

    .arcadia-draggrid__resize-handle {
        transition: none;
    }

    .arcadia-draggrid__resize-handle::before {
        transition: none;
    }
}