.fence-post-drill-overlay {
    --sidebar-width: 50%;
    --desktop-min-viewport-width: 600px;
    --bg: #0f141b;
    --bg-elevated: #18212b;
    --bg-panel: rgba(20, 29, 39, 0.96);
    --bg-panel-alt: rgba(26, 38, 50, 0.92);
    --border: #324355;
    --border-soft: rgba(126, 154, 184, 0.22);
    --text: #e7f0f8;
    --text-soft: #a8bacb;
    --accent: #79b7ff;
    --accent-strong: #4a98ff;
    --accent-warm: #d28f4c;
    --danger: #ff7f7f;
    --success: #7fd5ab;
    --shadow: 0 18px 48px rgba(0, 0, 0, 0.35);
    --radius: 16px;
    color: var(--text);
}

.fence-post-drill-overlay,
.fence-post-drill-overlay button,
.fence-post-drill-overlay select,
.fence-post-drill-overlay input,
.fence-post-drill-overlay textarea {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

.fence-post-drill-overlay__dialog {
    border: 1px solid var(--border);
    background:
        radial-gradient(circle at top left, rgba(74, 152, 255, 0.12), transparent 36%),
        radial-gradient(circle at bottom right, rgba(210, 143, 76, 0.12), transparent 28%),
        linear-gradient(180deg, #0d1218 0%, #101820 100%);
}

.fence-post-drill-overlay__shell {
    display: grid;
    grid-template-columns: minmax(320px, var(--sidebar-width)) 10px minmax(var(--desktop-min-viewport-width), 1fr);
    width: 100%;
    height: 100%;
}

.fence-post-drill-overlay__sidebar {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 0;
    background: linear-gradient(180deg, rgba(16, 23, 31, 0.98), rgba(22, 33, 44, 0.98));
    border-right: 1px solid var(--border);
    box-shadow: var(--shadow);
    z-index: 2;
}

.fence-post-drill-overlay__sidebar-header {
    padding: 24px 24px 18px;
    border-bottom: 1px solid var(--border-soft);
    background: linear-gradient(180deg, rgba(30, 45, 60, 0.75), rgba(18, 27, 36, 0.2));
}

.fence-post-drill-overlay__sidebar-header h2 {
    margin: 0;
    font-size: 26px;
    letter-spacing: 0.02em;
    color: #39B54A;
}

.fence-post-drill-overlay__sidebar-header p {
    margin: 8px 0 0;
    max-width: 34ch;
    font-size: 13px;
    line-height: 1.45;
    color: var(--text-soft);
}

.fence-post-drill-overlay__sidebar-body {
    flex: 1 1 auto;
    min-height: 0;
    overflow-x: hidden;
    overflow-y: auto;
    scrollbar-gutter: stable;
    padding: 22px;
}

.fence-post-drill-overlay__resizer {
    position: relative;
    width: 10px;
    height: 100%;
    background: linear-gradient(180deg, rgba(26, 34, 44, 0.95), rgba(18, 24, 32, 0.95));
    border-right: 1px solid #263240;
    border-left: 1px solid #10161d;
    z-index: 3;
}

.fence-post-drill-overlay__resizer::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 3px;
    height: 56px;
    border-radius: 2px;
    transform: translate(-50%, -50%);
    background: linear-gradient(180deg, #7f9ec0 0%, #4f6b86 100%);
    opacity: 0.85;
}

.fence-post-drill-overlay__viewport-shell {
    position: relative;
    min-width: 0;
    min-height: 0;
    background:
        linear-gradient(180deg, rgba(7, 12, 18, 0.28), rgba(7, 12, 18, 0.72)),
        radial-gradient(circle at top, rgba(121, 183, 255, 0.08), transparent 32%),
        linear-gradient(180deg, #111922 0%, #0d141c 100%);
}

.fence-post-drill-overlay__viewport-canvas {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, #111922 0%, #0d141c 100%);
}

.fence-post-drill-overlay__viewport-card {
    max-width: min(210px, calc(100% - 36px));
    min-width: 160px;
    padding: 14px 16px;
    border-radius: 16px;
    background: rgba(14, 21, 29, 0.84);
    border: 1px solid rgba(121, 183, 255, 0.2);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.24);
    backdrop-filter: blur(10px);
    pointer-events: auto;
}

.fence-post-drill-overlay__viewport-card h3 {
    margin: 0 0 6px;
    font-size: 17px;
    color: var(--text);
}

.fence-post-drill-overlay__viewport-card p {
    margin: 0;
    color: var(--text-soft);
    font-size: 13px;
    line-height: 1.45;
}

.fence-post-drill-overlay__sidebar-body h2.text-align-left,
.fence-post-drill-overlay__sidebar-body h3 {
    margin: 0 0 12px;
    font-size: 12px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #9bb7d3;
}

.fence-post-drill-editor,
.fence-post-drill-editor__stack,
.fence-post-drill-overlay__sidebar-body #drill-config,
.fence-post-drill-overlay__sidebar-body #hole-rows {
    display: grid;
    gap: 10px;
}

.fence-post-tag-editor,
.fence-post-tag-editor__config,
.fence-post-drill-overlay__sidebar-body #tag-rows {
    display: grid;
    gap: 10px;
}

.fence-post-drill-editor__panel,
.fence-post-drill-overlay__sidebar-body #select-drill-item {
    margin: 0;
    padding: 16px;
    border: 1px solid var(--border-soft);
    border-radius: var(--radius);
    background: linear-gradient(180deg, rgba(23, 34, 44, 0.96), rgba(17, 25, 33, 0.96));
}

.fence-post-drill-editor__label {
    display: block;
    margin: 0 0 6px;
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-soft);
}

.fence-post-drill-overlay__sidebar-body #drill-instructions {
    color: var(--text-soft);
    font-size: 12px;
    line-height: 1.5;
}

.fence-post-drill-overlay__sidebar-body #tag-instructions {
    color: var(--text-soft);
    font-size: 12px;
    line-height: 1.5;
}

.fence-post-drill-editor__references {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: 14px;
    position: relative;
}

.fence-post-tag-editor__references {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 14px;
    position: relative;
}

.fence-post-tag-editor__reference-caption {
    margin-top: 8px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #39444f;
    text-align: center;
}

.fence-post-tag-editor__reference-preview {
    position: absolute;
    left: 50%;
    bottom: calc(100% + 12px);
    z-index: 20;
    width: min(520px, calc(100% - 12px), calc(100vw - 120px));
    padding: 12px;
    border-radius: 14px;
    border: 1px solid rgba(150, 158, 168, 0.55);
    background: #d9d9d9;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.34);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translate(-50%, 8px) scale(0.96);
    transition: opacity 0.16s ease, transform 0.16s ease, visibility 0.16s ease;
}

.fence-post-drill-editor__reference-card:hover .fence-post-tag-editor__reference-preview,
.fence-post-drill-editor__reference-card:focus-within .fence-post-tag-editor__reference-preview {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0) scale(1);
}

.fence-post-tag-editor__reference-preview-image {
    display: block;
    width: 100%;
    height: auto;
}

.fence-post-drill-editor__reference-card {
    display: grid;
    place-items: center;
    margin: 0;
    padding: 12px;
    min-width: 0;
    border-radius: 14px;
    border: 1px solid rgba(150, 158, 168, 0.55);
    background: #d9d9d9;
}

.fence-post-drill-editor__reference-image {
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
}

.fence-post-drill-editor__reference-preview {
    position: absolute;
    left: 50%;
    bottom: calc(100% + 12px);
    z-index: 20;
    width: clamp(240px, 28vw, 360px);
    padding: 12px;
    border-radius: 14px;
    border: 1px solid rgba(150, 158, 168, 0.55);
    background: #d9d9d9;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.34);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translate(-50%, 8px) scale(0.96);
    transition: opacity 0.16s ease, transform 0.16s ease, visibility 0.16s ease;
}

.fence-post-drill-editor__reference-card:hover .fence-post-drill-editor__reference-preview,
.fence-post-drill-editor__reference-card:focus-within .fence-post-drill-editor__reference-preview {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0) scale(1);
}

.fence-post-drill-editor__reference-preview-image {
    display: block;
    width: 100%;
    height: auto;
}

.fence-post-drill-overlay__sidebar-body .custom-select {
    position: relative;
    width: 100%;
}

.fence-post-drill-overlay__sidebar-body .custom-select .selected {
    min-height: 42px;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid rgba(122, 146, 170, 0.28);
    background: rgba(7, 12, 17, 0.42);
    color: var(--text);
}

.fence-post-drill-overlay__sidebar-body .custom-select .selected::after {
    color: var(--text-soft);
}

.fence-post-drill-overlay__sidebar-body .custom-select .options {
    margin-top: 6px;
    border: 1px solid rgba(122, 146, 170, 0.28);
    border-radius: 12px;
    background: linear-gradient(180deg, rgba(16, 24, 34, 0.97), rgba(10, 17, 24, 0.95));
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.32);
}

.fence-post-drill-overlay__sidebar-body .custom-select .option {
    color: var(--text);
}

.fence-post-drill-overlay__sidebar-body .custom-select .option:hover {
    background: rgba(74, 152, 255, 0.22);
}

.fence-post-drill-overlay__sidebar-body .hole-row {
    display: grid;
    gap: 10px;
    padding: 14px;
    border-radius: 14px;
    border: 1px solid rgba(121, 183, 255, 0.16);
    background: linear-gradient(180deg, rgba(26, 39, 51, 0.94), rgba(19, 28, 37, 0.94));
}

.fence-post-drill-overlay__sidebar-body .tag-row {
    display: grid;
    gap: 10px;
    padding: 14px;
    border-radius: 14px;
    border: 1px solid rgba(121, 183, 255, 0.16);
    background: linear-gradient(180deg, rgba(26, 39, 51, 0.94), rgba(19, 28, 37, 0.94));
}

.fence-post-drill-overlay__sidebar-body .drill-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 0;
}

.fence-post-drill-overlay__sidebar-body .drill-card-title {
    margin: 0;
    font-size: 13px;
    font-weight: 700;
    color: #dce9f6;
}

.fence-post-drill-overlay__sidebar-body .field-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    align-items: start;
    gap: 10px;
    margin-bottom: 0;
}

.fence-post-drill-overlay__sidebar-body .field-flow {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    align-items: flex-start;
    gap: 10px;
}

.fence-post-drill-overlay__sidebar-body .tag-row .field-flow {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    align-items: flex-start;
    gap: 10px;
}

.fence-post-drill-overlay__sidebar-body .field-grid:last-child {
    margin-bottom: 0;
}

.fence-post-drill-overlay__sidebar-body .field {
    flex: 0 0 111px;
    display: flex;
    flex-direction: column;
    gap: 5px;
    min-width: 0;
    width: 111px;
    max-width: 111px;
}

.fence-post-drill-overlay__sidebar-body .field label {
    display: flex;
    align-items: flex-end;
    min-height: 24px;
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-soft);
}

.fence-post-drill-overlay__sidebar-body .field input,
.fence-post-drill-overlay__sidebar-body .field select,
.fence-post-drill-overlay__sidebar-body .field textarea,
.fence-post-drill-overlay__sidebar-body .hole-row input,
.fence-post-drill-overlay__sidebar-body .hole-row select {
    width: 100%;
    min-height: 42px;
    height: 42px;
    max-height: 42px;
    padding: 9px 12px;
    border-radius: 12px;
    border: 1px solid rgba(122, 146, 170, 0.28);
    background: rgba(7, 12, 17, 0.42);
    color: var(--text);
    line-height: 1.2;
    box-sizing: border-box;
}

.fence-post-drill-overlay__sidebar-body .field select,
.fence-post-drill-overlay__sidebar-body .hole-row select {
    appearance: none;
}

.fence-post-drill-overlay__sidebar-body .tag-row select {
    appearance: none;
}

.fence-post-drill-overlay__sidebar-body button,
.fence-post-drill-overlay__close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 10px 14px;
    border: 1px solid transparent;
    border-radius: 12px;
    background: linear-gradient(180deg, var(--accent), var(--accent-strong));
    color: #08131f;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.14s ease, filter 0.14s ease, background 0.14s ease;
}

.fence-post-drill-overlay__sidebar-body button:hover,
.fence-post-drill-overlay__close:hover {
    filter: brightness(1.06);
    transform: translateY(-1px);
}

.fence-post-drill-overlay__sidebar-body .secondary {
    background: linear-gradient(180deg, rgba(69, 86, 104, 0.95), rgba(47, 61, 76, 0.95));
    color: var(--text);
    border-color: rgba(122, 146, 170, 0.32);
}

.fence-post-drill-overlay__sidebar-body .ghost,
.fence-post-drill-overlay__close {
    background: rgba(35, 52, 68, 0.55);
    color: var(--text);
    border-color: rgba(122, 146, 170, 0.3);
}

.fence-post-drill-overlay__sidebar-body .button-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.fence-post-drill-overlay__sidebar-body .flex-row {
    display: flex;
    justify-content: flex-start;
}

.fence-post-drill-editor__actions {
    display: grid;
}

.fence-post-drill-overlay__sidebar-body #select-drill-item {
    max-width: 210px;
}

.fence-post-drill-overlay__sidebar-body .custom-select {
    max-width: 189px;
}

.fence-post-drill-overlay__sidebar-body .custom-select .selected {
    min-height: 42px;
    height: 42px;
    max-height: 42px;
    padding: 9px 12px;
    box-sizing: border-box;
}

.fence-post-drill-overlay__sidebar-body .image-container {
    display: block;
    width: 100%;
    margin-top: 16px;
    border-radius: 14px;
    border: 1px solid rgba(126, 154, 184, 0.16);
    background: rgba(7, 12, 17, 0.42);
}

@media (max-width: 1080px) {
    .fence-post-drill-overlay__shell {
        grid-template-columns: minmax(320px, 390px) 10px minmax(var(--desktop-min-viewport-width), 1fr);
    }

    .fence-post-drill-overlay__viewport-overlay {
        flex-direction: column;
    }

    .fence-post-drill-overlay__sidebar-body .field-grid {
        gap: 10px;
    }

    .fence-post-drill-overlay__sidebar-body .field-flow {
        gap: 10px;
    }

    .fence-post-drill-editor__references {
        grid-template-columns: 1fr;
    }

    .fence-post-tag-editor__references {
        grid-template-columns: 1fr;
    }

    .fence-post-tag-editor__reference-preview {
        width: min(360px, calc(100vw - 96px));
    }

    .fence-post-drill-editor__reference-preview {
        left: 50%;
        bottom: calc(100% + 12px);
        width: min(320px, calc(100vw - 96px));
    }
}

@media (max-width: 900px) {
    .fence-post-drill-overlay__shell {
        display: flex;
        flex-direction: column;
    }

    .fence-post-drill-overlay__resizer {
        display: none;
    }

    .fence-post-drill-overlay__sidebar {
        min-height: auto;
        overflow: visible;
        border-right: none;
        border-bottom: 1px solid var(--border);
        box-shadow: none;
    }

    .fence-post-drill-overlay__sidebar-body {
        overflow: visible;
        min-height: auto;
    }

    .fence-post-drill-overlay__viewport-shell {
        min-height: 52vh;
        min-height: 52svh;
        height: 52vh;
        height: 52svh;
    }

    .fence-post-drill-overlay__sidebar-body .field-grid {
        display: flex;
        flex-direction: column;
        align-items: stretch;
    }

    .fence-post-drill-overlay__sidebar-body .field-flow {
        display: flex;
        flex-direction: column;
        align-items: stretch;
    }

    .fence-post-drill-overlay__sidebar-body .field,
    .fence-post-drill-overlay__sidebar-body .custom-select,
    .fence-post-drill-overlay__sidebar-body #select-drill-item {
        flex: 1 1 auto;
        width: 100%;
        max-width: none;
    }
}