/**
 * Nestable - Modern Redesign
 */

:root,
[data-bs-theme=light] {
    --dd-surface: #ffffff;
    --dd-surface-hover: #f4f6f8;
    --dd-handle-bg: linear-gradient(135deg, #0b3c5d 0%, #1fa2a6 100%);
    --dd-handle-hover: linear-gradient(135deg, #1fa2a6 0%, #0b3c5d 100%);
    --dd-border: #d7e0e8;
    --dd-border-hover: #c3cdd8;
    --dd-text: #2e3440;
    --dd-text-muted: #5c6674;
    --dd-shadow: 0 1px 3px rgba(11, 60, 93, 0.08);
    --dd-shadow-hover: 0 10px 40px rgba(31, 162, 166, 0.18);
    --dd-shadow-drag: 0 20px 50px rgba(11, 60, 93, 0.22);
    --dd-placeholder: rgba(31, 162, 166, 0.1);
    --dd-placeholder-border: rgba(31, 162, 166, 0.45);
    --dd-toggle-bg: #f4f6f8;
    --dd-toggle-color: #0b3c5d;
    --dd-chip-bg: #f4f6f8;
    --dd-chip-text: #2e3440;
    --dd-accent: #1fa2a6;
}

[data-bs-theme=dark] {
    --dd-surface: var(--bs-paper-bg);
    --dd-surface-hover: color-mix(in sRGB, var(--bs-base-color) 4%, var(--bs-paper-bg));
    --dd-handle-bg: linear-gradient(135deg, #0b3c5d 0%, #1fa2a6 100%);
    --dd-handle-hover: linear-gradient(135deg, #1fa2a6 0%, #0b3c5d 100%);
    --dd-border: var(--bs-border-color);
    --dd-border-hover: color-mix(in sRGB, var(--bs-base-color) 18%, var(--bs-paper-bg));
    --dd-text: var(--bs-base-color);
    --dd-text-muted: var(--bs-secondary-color);
    --dd-shadow: 0 1px 3px rgba(8, 14, 20, 0.35);
    --dd-shadow-hover: 0 10px 40px rgba(8, 14, 20, 0.45);
    --dd-shadow-drag: 0 20px 50px rgba(8, 14, 20, 0.55);
    --dd-placeholder: rgba(31, 162, 166, 0.18);
    --dd-placeholder-border: rgba(31, 162, 166, 0.45);
    --dd-toggle-bg: color-mix(in sRGB, var(--bs-base-color) 6%, var(--bs-paper-bg));
    --dd-toggle-color: #1fa2a6;
    --dd-chip-bg: color-mix(in sRGB, var(--bs-base-color) 8%, var(--bs-paper-bg));
    --dd-chip-text: var(--bs-base-color);
    --dd-accent: #1fa2a6;
}

/* ============================================
   BASE STRUCTURE
   ============================================ */

.dd {
    position: relative;
    display: block;
    width: 100%;
    margin: 0;
    padding: 0;
    list-style: none;
    font-size: 14px;
    line-height: 1.5;
}

.dd-list {
    display: block;
    position: relative;
    margin: 0;
    padding: 0;
    list-style: none;
}

.dd-list .dd-list {
    padding-left: 52px;
    margin-left: 0;
    margin-top: 6px;
    position: relative;
}

/* Connector line for nested items */
.dd-list .dd-list::before {
    content: '';
    position: absolute;
    left: 24px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--dd-border) 0%, transparent 100%);
    border-radius: 2px;
}

.dd-collapsed .dd-list {
    display: none;
}

.dd-item,
.dd-empty,
.dd-placeholder {
    display: block;
    position: relative;
    margin: 0 0 6px;
    padding: 0;
    min-height: 20px;
}

/* ============================================
   DRAG HANDLE
   ============================================ */

.dd3-handle {
    position: absolute;
    margin: 0;
    left: 0;
    top: 0;
    cursor: grab;
    width: 38px;
    height: 100%;
    text-indent: 100%;
    white-space: nowrap;
    overflow: hidden;
    background: var(--dd-handle-bg);
    border-radius: 10px 0 0 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

.dd3-handle::before {
    content: '\22EE\22EE';
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    text-align: center;
    text-indent: 0;
    color: white;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 4px;
    opacity: 0.9;
}

.dd3-handle:hover {
    background: var(--dd-handle-hover);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.2);
}

.dd3-handle:active {
    cursor: grabbing;
}

/* ============================================
   CONTENT CARD
   ============================================ */

.dd3-content {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 54px;
    margin: 0;
    padding: 10px 10px 10px 78px;
    color: var(--dd-text);
    text-decoration: none;
    font-weight: 500;
    border: 1px solid var(--dd-border);
    background: var(--dd-surface);
    border-radius: 10px;
    box-shadow: var(--dd-shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.dd3-content:hover {
    background: var(--dd-surface-hover);
    border-color: var(--dd-border-hover);
    box-shadow: var(--dd-shadow-hover);
    transform: translateY(-2px);
}

/* Menu Row Layout */
.dd3-content .menu-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.dd3-content .menu-info {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    min-width: 0;
}

.dd3-content .menu-title {
    display: flex;
    align-items: center;
    gap: 5px;
    font-weight: 600;
    font-size: 15px;
    color: var(--dd-text);
}

.dd3-content .menu-title i {
    width: 20px;
    text-align: center;
    color: var(--dd-accent);
    font-size: 16px;
}

/* Chips/Badges */
.menu-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 10px;
    font-weight: 600;
    color: var(--dd-chip-text);
    background: var(--dd-chip-bg);
    padding: 3px 8px;
    border-radius: 5px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    white-space: nowrap;
}

.menu-chip em {
    font-style: normal;
    font-weight: 500;
}

/* Action Buttons */
.dd3-content .menu-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.dd3-content .menu-actions .btn {
    min-width: 32px;
    height: 32px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: all 0.2s;
}

.dd3-content .menu-actions .btn:hover {
    transform: translateY(-2px);
}

.dd3-content .menu-actions .btn i {
    font-size: 14px;
}

/* ============================================
   EXPAND/COLLAPSE BUTTON
   ============================================ */

.dd-item>button {
    position: absolute;
    left: 42px;
    top: 15px;
    width: 28px;
    height: 28px;
    margin: 0;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    border: 2px solid var(--dd-border);
    background: var(--dd-toggle-bg);
    color: var(--dd-toggle-color);
    font-size: 0;
    text-indent: 100%;
    white-space: nowrap;
    overflow: hidden;
    outline: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.dd-item>button:hover {
    transform: scale(1.1);
    background: var(--dd-accent);
    border-color: var(--dd-accent);
    color: white;
    box-shadow: 0 4px 8px rgba(31, 162, 166, 0.3);
}

.dd-item>button:active {
    transform: scale(0.95);
}

.dd-item>button::before {
    content: '\25BC';
    font-size: 11px;
    line-height: 1;
    padding-right: 20px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.dd-item>button[data-action="expand"]::before {
    content: '\25B6';
}

.dd-item>button[data-action="collapse"]::before {
    transform: rotate(0deg);
}

/* ============================================
   PLACEHOLDER & EMPTY STATE
   ============================================ */

.dd-placeholder {
    margin: 6px 0;
    padding: 0;
    min-height: 54px;
    background: var(--dd-placeholder);
    border: 2px dashed var(--dd-placeholder-border);
    border-radius: 10px;
    position: relative;
    overflow: hidden;
}

.dd-placeholder::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: repeating-linear-gradient(45deg,
            transparent,
            transparent 10px,
            rgba(31, 162, 166, 0.05) 10px,
            rgba(31, 162, 166, 0.05) 20px);
    animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    100% {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

.dd-empty {
    border: 2px dashed var(--dd-border);
    min-height: 100px;
    background: var(--dd-surface);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dd-text-muted);
    font-size: 13px;
    font-weight: 500;
}

.dd-empty::after {
    content: 'Tarik menu ke sini';
}

/* ============================================
   DRAGGING STATE
   ============================================ */

.dd-dragel {
    position: absolute;
    pointer-events: none;
    z-index: 9999;
}

.dd-dragel>.dd-item .dd-handle {
    margin-top: 0;
}

.dd-dragel .dd3-handle {
    cursor: grabbing;
}

.dd-dragel .dd3-content {
    box-shadow: var(--dd-shadow-drag);
    opacity: 0.95;
    transform: rotate(0deg);
}

.dd-hover>.dd3-content {
    background: var(--dd-placeholder);
    border-color: var(--dd-placeholder-border);
    border-style: dashed;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .dd3-content {
        padding: 10px 10px 10px 64px;
        min-height: 50px;
    }

    .dd3-handle {
        width: 34px;
    }

    .dd-item>button {
        left: 38px;
        top: 13px;
        width: 26px;
        height: 26px;
    }

    .dd3-content .menu-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .dd3-content .menu-info {
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }

    .dd3-content .menu-actions {
        width: 100%;
        justify-content: flex-end;
    }

    .dd-list .dd-list {
        padding-left: 44px;
    }

    .dd-list .dd-list::before {
        left: 20px;
    }
}

@media (max-width: 576px) {
    .dd3-content {
        padding: 10px 10px 10px 60px;
        min-height: 48px;
    }

    .dd3-handle {
        width: 30px;
        border-radius: 8px 0 0 8px;
    }

    .dd-item>button {
        left: 34px;
        top: 12px;
        width: 24px;
        height: 24px;
    }

    .dd3-content .menu-actions .btn {
        min-width: 28px;
        height: 28px;
    }

    .menu-chip {
        font-size: 9px;
        padding: 2px 6px;
    }

    .dd-list .dd-list {
        padding-left: 40px;
    }

    .dd-list .dd-list::before {
        left: 16px;
    }
}

/* ============================================
   ICON MODAL STYLING
   ============================================ */

.icon-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 16px;
    padding: 4px;
}

.icon-card {
    background: var(--dd-surface);
    border: 1px solid var(--dd-border);
    border-radius: 12px;
    padding: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--dd-shadow);
}

.icon-card:hover {
    border-color: var(--dd-accent);
    box-shadow: var(--dd-shadow-hover);
    transform: translateY(-4px);
}

.icon-card.border-primary {
    border-color: var(--dd-accent);
    border-width: 2px;
    background: var(--dd-placeholder);
    box-shadow: 0 0 0 4px rgba(31, 162, 166, 0.15);
}

.icon-card .icon-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--dd-text);
    margin: 0;
}

@media (max-width: 768px) {
    .icon-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 12px;
    }
}

@media (max-width: 576px) {
    .icon-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: 10px;
    }

    .icon-card {
        padding: 12px;
    }
}

/* ============================================
   LOADING STATE
   ============================================ */

.dd.opacity-50 {
    opacity: 0.5;
    pointer-events: none;
    position: relative;
}

.dd.opacity-50::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 3px solid var(--dd-border);
    border-top-color: var(--dd-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    z-index: 1000;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ============================================
   UTILITIES
   ============================================ */

.nestable-lists {
    display: block;
    clear: both;
    padding: 20px 0;
    width: 100%;
}

#nestable-output,
#nestable2-output {
    width: 100%;
    height: 7em;
    font-size: 0.85em;
    line-height: 1.5;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    padding: 12px;
    border: 1px solid var(--dd-border);
    border-radius: 8px;
    background: var(--dd-surface);
    color: var(--dd-text);
}