.pdf2-shell {
    width: min(1380px, 100%);
    padding-top: 24px;
    padding-bottom: 36px;
}

.pdf2-file-input {
    position: absolute;
    inline-size: 1px;
    block-size: 1px;
    opacity: 0;
    pointer-events: none;
}

.pdf2-editor-body.is-dragging {
    border-color: var(--color-accent);
    background: #f4fbf9;
    box-shadow: 0 0 0 4px rgba(20, 121, 111, 0.10);
}

.pdf2-kicker {
    margin: 0;
    color: var(--color-warm);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0;
    text-transform: uppercase;
}

.pdf2-title {
    margin: 0;
    font-size: 1.08rem;
    line-height: 1.12;
}

.pdf2-empty h2 {
    margin: 0;
    font-size: clamp(2rem, 7vw, 3.35rem);
    line-height: 1.04;
}

.pdf2-empty p,
.pdf2-note,
.pdf2-statusline,
.pdf2-local-note {
    margin: 0;
    color: var(--color-muted);
}

.pdf2-note,
.pdf2-local-note {
    font-size: 0.9rem;
}

.pdf2-editor {
    display: grid;
    gap: 14px;
}

.pdf2-toolbar {
    position: sticky;
    top: 0;
    z-index: 5;
    display: grid;
    gap: 12px;
    border: 1px solid var(--color-line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.96);
    padding: 12px;
    box-shadow: 0 12px 30px rgba(28, 45, 64, 0.08);
    backdrop-filter: blur(10px);
}

.pdf2-titleblock {
    display: grid;
    gap: 2px;
}

.pdf2-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.pdf2-actions .button {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    width: auto;
    min-width: 44px;
    padding: 0 10px;
}

.pdf2-actions .button svg {
    width: 21px;
    height: 21px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 2;
}

.pdf2-action-label {
    font-size: 0.86rem;
    line-height: 1;
}

.pdf2-actions .button:disabled {
    cursor: not-allowed;
    opacity: 0.46;
}

.pdf2-actions .button[aria-busy="true"] svg {
    opacity: 0.18;
}

.pdf2-actions .button[aria-busy="true"] .pdf2-action-label {
    opacity: 0;
}

.pdf2-actions .button[aria-busy="true"]::after {
    content: "";
    position: absolute;
    width: 18px;
    height: 18px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 999px;
    animation: pdf2-spin 700ms linear infinite;
}

@keyframes pdf2-spin {
    to {
        transform: rotate(360deg);
    }
}

.pdf2-editor-body {
    position: relative;
    min-height: 420px;
    border: 1px solid var(--color-line);
    border-radius: 8px;
    background: #eef3f7;
    padding: clamp(12px, 2vw, 20px);
    overflow: hidden;
}

.pdf2-drop-overlay {
    position: absolute;
    inset: 12px;
    z-index: 8;
    display: none;
    place-items: center;
    border: 1px dashed var(--color-accent);
    border-radius: 8px;
    background: rgba(244, 251, 249, 0.88);
    color: var(--color-accent-strong);
    font-weight: 900;
}

.pdf2-editor-body.is-dragging .pdf2-drop-overlay {
    display: grid;
}

.pdf2-empty[hidden],
.pdf2-grid[hidden] {
    display: none;
}

.pdf2-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
    gap: 14px;
    align-items: start;
}

.pdf2-page {
    position: relative;
    display: grid;
    gap: 8px;
    border: 1px solid #d4dde7;
    border-radius: 8px;
    background: #ffffff;
    padding: 8px;
    cursor: pointer;
    user-select: none;
    transition: border-color 140ms ease, box-shadow 140ms ease, transform 140ms ease;
}

.pdf2-page:hover,
.pdf2-page:focus-visible {
    border-color: #9fb0bf;
    outline: 0;
    box-shadow: 0 10px 24px rgba(28, 45, 64, 0.12);
}

.pdf2-page.is-selected {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(20, 121, 111, 0.16);
}

.pdf2-page.is-dragging {
    opacity: 0.45;
}

.pdf2-page.is-drop-before::before,
.pdf2-page.is-drop-after::after {
    content: "";
    position: absolute;
    top: 8px;
    bottom: 8px;
    width: 4px;
    border-radius: 99px;
    background: var(--color-accent);
}

.pdf2-page.is-drop-before::before {
    left: -9px;
}

.pdf2-page.is-drop-after::after {
    right: -9px;
}

.pdf2-thumb-wrap {
    position: relative;
    display: grid;
    place-items: center;
    min-height: 190px;
    aspect-ratio: 0.72;
    border: 1px solid #e2e8f0;
    border-radius: 4px;
    background: #f8fafc;
    overflow: hidden;
}

.pdf2-thumb-wrap canvas {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    background: #ffffff;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.12);
}

.pdf2-loading,
.pdf2-render-error {
    color: var(--color-muted);
    font-size: 0.86rem;
    font-weight: 800;
}

.pdf2-render-error {
    color: #9f2d20;
}

.pdf2-page-meta {
    display: grid;
    gap: 2px;
    min-width: 0;
}

.pdf2-page-number {
    font-weight: 900;
    line-height: 1.1;
}

.pdf2-page-source {
    color: var(--color-muted);
    font-size: 0.78rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pdf2-check {
    position: absolute;
    top: 10px;
    left: 10px;
    display: grid;
    place-items: center;
    width: 24px;
    height: 24px;
    border: 1px solid #b8c4ce;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.92);
    color: transparent;
    font-weight: 900;
}

.pdf2-page.is-selected .pdf2-check {
    border-color: var(--color-accent);
    background: var(--color-accent);
    color: #ffffff;
}

.pdf2-page-actions {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    gap: 4px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 140ms ease;
}

.pdf2-page:hover .pdf2-page-actions,
.pdf2-page:focus-within .pdf2-page-actions {
    opacity: 1;
    pointer-events: auto;
}

.pdf2-icon-button {
    display: grid;
    place-items: center;
    width: 30px;
    height: 30px;
    border: 1px solid #d6dee7;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.94);
    color: var(--color-text);
    font: inherit;
    font-weight: 900;
    cursor: pointer;
}

.pdf2-icon-button:hover,
.pdf2-icon-button:focus-visible {
    border-color: var(--color-accent);
    color: var(--color-accent-strong);
}

.pdf2-empty {
    min-height: 360px;
    display: grid;
    place-items: center;
    align-content: center;
    gap: 12px;
    border: 1px dashed #b7c4cf;
    border-radius: 8px;
    background: #ffffff;
    padding: clamp(24px, 7vw, 48px);
    text-align: center;
}

.pdf2-toast {
    position: fixed;
    right: max(16px, calc((100vw - 1380px) / 2 + 16px));
    bottom: 18px;
    z-index: 20;
    max-width: min(420px, calc(100vw - 32px));
    border: 1px solid var(--color-line);
    border-radius: 8px;
    background: #ffffff;
    box-shadow: 0 18px 42px rgba(28, 45, 64, 0.18);
    padding: 12px;
    color: var(--color-text);
}

.pdf2-toast button {
    margin-left: 8px;
    border: 0;
    background: transparent;
    color: var(--color-accent-strong);
    font: inherit;
    font-weight: 900;
    cursor: pointer;
}

.pdf2-info-grid {
    display: grid;
    gap: 14px;
    margin-top: 18px;
}

.pdf2-info-card {
    border: 1px solid var(--color-line);
    border-radius: 8px;
    background: #ffffff;
    padding: clamp(18px, 3vw, 24px);
}

.pdf2-info-card h2 {
    margin: 0 0 10px;
    font-size: 1.2rem;
    line-height: 1.18;
}

.pdf2-info-card p {
    margin: 0;
    color: var(--color-muted);
}

.pdf2-info-card ol {
    margin: 0;
    padding-left: 1.25rem;
    color: var(--color-muted);
}

.pdf2-info-card li + li {
    margin-top: 6px;
}

.pdf2-info-card details {
    border-top: 1px solid var(--color-line);
    padding: 10px 0;
}

.pdf2-info-card details:first-of-type {
    border-top: 0;
}

.pdf2-info-card summary {
    cursor: pointer;
    font-weight: 900;
}

.pdf2-info-card details p {
    margin: 6px 0 0;
    color: var(--color-muted);
}

.pdf2-license-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 12px;
}

.pdf2-license-links a {
    color: var(--color-accent-strong);
    font-weight: 900;
}

@media (min-width: 760px) {
    .pdf2-toolbar {
        grid-template-columns: minmax(180px, 1fr) auto;
        align-items: center;
    }

    .pdf2-actions {
        justify-content: flex-end;
    }

    .pdf2-info-grid {
        grid-template-columns: 1fr 1fr;
    }

    .pdf2-info-card-wide {
        grid-column: 1 / -1;
    }
}

@media (max-width: 620px) {
    .pdf2-shell {
        padding-inline: 12px;
    }

    .pdf2-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
    }

    .pdf2-thumb-wrap {
        min-height: 150px;
    }

    .pdf2-actions {
        display: flex;
    }

    .pdf2-actions .button {
        min-width: 0;
        padding-inline: 9px;
    }

    .pdf2-action-label {
        font-size: 0.8rem;
    }
}