/* Server Office conversion + shared styles for browser PDF tools */
.pdfwin-office {
    --pdfwin-red: #e5322d;
    --pdfwin-red-dark: #c42a24;
    --pdfwin-surface: #fafafa;
    --pdfwin-border: #e6eaf0;
    --pdfwin-text: #1c2430;
    --pdfwin-muted: #5c6570;
    --pdfwin-stage-bg: #fff;
    max-width: 36rem;
    margin: 1.75rem auto;
    padding: 1.75rem 1.5rem;
    border: 1px solid var(--pdfwin-border);
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    color: var(--pdfwin-text);
}

/* Large centered card on gray stage (converter UX inspired by clean upload-first layouts) */
.pdfwin-office.pdfwin-office--stage {
    max-width: 720px;
    margin: 0 auto;
    padding: clamp(1.75rem, 4.5vw, 2.75rem) clamp(1.25rem, 4vw, 2.75rem);
    border-radius: 20px;
    background: var(--pdfwin-stage-bg);
    border: 1px solid #e2e8f0;
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.8) inset,
        0 16px 56px rgba(15, 23, 42, 0.1),
        0 4px 12px rgba(15, 23, 42, 0.04);
}

.pdfwin-office__kicker {
    margin: 0 0 1rem;
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: #6b7684;
    line-height: 1.5;
}

.pdfwin-office__title {
    font-size: 1.2rem;
    font-weight: 650;
    letter-spacing: -0.02em;
    margin: 0 0 0.5rem;
    color: var(--pdfwin-text);
}

.pdfwin-office__note {
    font-size: 0.9375rem;
    color: var(--pdfwin-muted);
    margin: 0 0 1.25rem;
    line-height: 1.55;
}

.pdfwin-office__tip {
    font-size: 0.875rem;
    color: var(--pdfwin-muted);
    margin: 0 0 1.35rem;
    line-height: 1.45;
    padding: 0.65rem 0.85rem;
    background: #f6f8fb;
    border-radius: 10px;
    border: 1px solid #e8edf4;
}

.pdfwin-office__warn {
    background: linear-gradient(135deg, #fffbf0 0%, #fff4dc 100%);
    border: 1px solid #e8d4a0;
    color: #4a3d12;
    padding: 0.875rem 1rem;
    border-radius: 10px;
    margin-bottom: 1.25rem;
    font-size: 0.9rem;
    line-height: 1.5;
}

.pdfwin-office__warn code {
    font-size: 0.82em;
    word-break: break-all;
}

.pdfwin-office__picker {
    margin-bottom: 1.15rem;
}

.pdfwin-office__drop {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    min-height: clamp(200px, 32vw, 260px);
    padding: 1.75rem 1.25rem 2rem;
    margin-bottom: 0;
    border: 2px dashed #c5cdd8;
    border-radius: 18px;
    background: linear-gradient(180deg, #fff 0%, #fafbfd 100%);
    cursor: pointer;
    transition:
        border-color 0.18s ease,
        background 0.18s ease,
        box-shadow 0.18s ease,
        transform 0.18s ease;
    position: relative;
    text-align: center;
}

.pdfwin-office__drop-prompt {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    width: 100%;
    pointer-events: none;
}

.pdfwin-office__drop-prompt[hidden],
.pdfwin-office__drop-replace[hidden] {
    display: none !important;
}

.pdfwin-office__drop-replace {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    min-height: 5.5rem;
    padding: 1rem;
    pointer-events: none;
    color: #4a5568;
    font-size: 0.95rem;
}

.pdfwin-office__drop-replace-icon {
    font-size: 1.75rem;
    line-height: 1;
    color: var(--pdfwin-red);
    opacity: 0.9;
}

.pdfwin-office__drop-replace-text strong {
    color: var(--pdfwin-red);
}

.pdfwin-office--stage .pdfwin-office__drop:hover,
.pdfwin-office--stage .pdfwin-office__drop:focus-within {
    border-color: #e5322d;
    background: #fff8f8;
    box-shadow: 0 0 0 4px rgba(229, 50, 45, 0.1);
}

.pdfwin-office__drop.is-dragover {
    border-color: var(--pdfwin-red);
    border-style: solid;
    background: #fff5f5;
    box-shadow: 0 0 0 4px rgba(229, 50, 45, 0.16);
    transform: scale(1.002);
}

.pdfwin-office__drop-cloud {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.35rem;
}

.pdfwin-office__drop-cloud-svg {
    display: block;
    filter: drop-shadow(0 4px 12px rgba(229, 50, 45, 0.15));
}

.pdfwin-office__drop-line {
    font-size: clamp(1.05rem, 2.5vw, 1.2rem);
    font-weight: 600;
    color: #2d3748;
    pointer-events: none;
    margin-top: 0.25rem;
}

.pdfwin-office__drop-line strong {
    color: var(--pdfwin-red);
    font-weight: 700;
}

.pdfwin-office__drop-or {
    font-size: 0.9375rem;
    color: #7a8799;
    font-weight: 500;
    pointer-events: none;
}

.pdfwin-office__drop-hint {
    font-size: 0.8125rem;
    color: #8b97a8;
    margin-top: 0.35rem;
    pointer-events: none;
}

.pdfwin-office--has-file .pdfwin-office__drop {
    min-height: 5.75rem;
    padding: 0.75rem 1rem;
    border-style: solid;
    border-color: #c5cdd8;
    background: #fff;
}

.pdfwin-office__file-input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    font-size: 0;
}

/* Selected file row (below dashed area, like common PDF converter UIs) */
.pdfwin-office__file-strip {
    display: none;
    align-items: center;
    gap: 1rem;
    margin-top: 0.85rem;
    padding: 1rem 1.15rem;
    border-radius: 14px;
    border: 1px solid #dfe6ef;
    background: #fff;
    text-align: left;
    box-shadow: 0 4px 18px rgba(15, 23, 42, 0.07);
}

.pdfwin-office__file-strip--visible {
    display: flex;
}

.pdfwin-office__file-strip-icon {
    flex-shrink: 0;
    width: 3.25rem;
    height: 3.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: linear-gradient(145deg, #fff5f5 0%, #ffe8e7 100%);
    border: 1px solid #f5d4d2;
}

.pdfwin-office__file-strip-body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.pdfwin-office__file-name {
    font-size: 1.05rem;
    font-weight: 700;
    color: #1a202c;
    word-break: break-word;
    line-height: 1.25;
}

.pdfwin-office__file-size {
    font-size: 0.8125rem;
    color: #718096;
    font-variant-numeric: tabular-nums;
}

.pdfwin-office__file-strip-remove {
    flex-shrink: 0;
    border: 1px solid #e2e8f0;
    border-radius: 999px;
    background: #fff;
    color: #4a5568;
    font-size: 0.8125rem;
    font-weight: 600;
    padding: 0.45rem 1rem;
    cursor: pointer;
    transition: background 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}

.pdfwin-office__file-strip-remove:hover {
    background: #fff5f5;
    border-color: #f5b5b0;
    color: var(--pdfwin-red);
}

.pdfwin-office__file-strip-remove:focus-visible {
    outline: 2px solid var(--pdfwin-red);
    outline-offset: 2px;
}

.pdfwin-office__run {
    margin: 0 0 1.15rem;
    text-align: left;
}

.pdfwin-office__run[hidden] {
    display: none !important;
}

.pdfwin-office__run.is-visible {
    display: block;
}

.pdfwin-office__run-label {
    margin: 0 0 0.55rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: #2d3748;
}

.pdfwin-office__run-track {
    height: 10px;
    border-radius: 999px;
    background: #e8ecf2;
    overflow: hidden;
    position: relative;
}

.pdfwin-office__run-bar {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 38%;
    border-radius: inherit;
    background: linear-gradient(90deg, #b91f1a 0%, var(--pdfwin-red) 45%, #ff8a80 100%);
    box-shadow: 0 0 14px rgba(229, 50, 45, 0.45);
    animation: pdfwin-office-run 1.1s ease-in-out infinite;
}

@keyframes pdfwin-office-run {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(320%);
    }
}

@media (prefers-reduced-motion: reduce) {
    .pdfwin-office__run-bar {
        animation: none;
        width: 100%;
        opacity: 0.55;
    }
}

.pdfwin-office__actions {
    display: flex;
    justify-content: stretch;
}

.pdfwin-office__btn,
.pdfwin-office button[data-role='convert'] {
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    background: linear-gradient(180deg, #ef4137 0%, var(--pdfwin-red) 42%, #c42a24 100%);
    color: #fff;
    border: none;
    padding: 0.95rem 1.5rem;
    min-height: 3.35rem;
    font-weight: 800;
    font-size: 0.9375rem;
    letter-spacing: 0.02em;
    cursor: pointer;
    border-radius: 14px;
    box-shadow:
        0 6px 20px rgba(229, 50, 45, 0.38),
        inset 0 1px 0 rgba(255, 255, 255, 0.22);
    transition: transform 0.1s ease, box-shadow 0.15s ease, filter 0.15s ease;
}

.pdfwin-office__btn--cta {
    border-radius: 999px;
    min-height: 3.55rem;
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.pdfwin-office__btn-lead {
    display: flex;
    align-items: center;
    justify-content: center;
}

.pdfwin-office__btn-ico {
    display: block;
    opacity: 0.95;
}

.pdfwin-office__btn:hover,
.pdfwin-office button[data-role='convert']:hover:not(:disabled) {
    filter: brightness(1.06);
    box-shadow:
        0 8px 28px rgba(229, 50, 45, 0.48),
        inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.pdfwin-office__btn:active,
.pdfwin-office button[data-role='convert']:active:not(:disabled) {
    transform: translateY(1px) scale(0.997);
    box-shadow: 0 3px 12px rgba(229, 50, 45, 0.32);
}

.pdfwin-office__btn:focus-visible,
.pdfwin-office button[data-role='convert']:focus-visible {
    outline: 3px solid rgba(229, 50, 45, 0.45);
    outline-offset: 3px;
}

.pdfwin-office__btn:disabled,
.pdfwin-office button[data-role='convert']:disabled {
    opacity: 0.52;
    cursor: not-allowed;
    filter: grayscale(0.12);
    box-shadow: none;
}

.pdfwin-office__msg {
    min-height: 1.35em;
    font-size: 0.9rem;
    margin-top: 0.85rem;
    line-height: 1.45;
}

.pdfwin-office__msg--err {
    color: #a30018;
}

.pdfwin-office__msg--ok {
    color: #156934;
}

.pdfwin-office__progress {
    display: none;
    margin-top: 0.75rem;
    font-size: 0.9rem;
    color: var(--pdfwin-muted);
}

.pdfwin-office__progress.is-visible {
    display: block;
}

.pdfwin-office__row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    margin-bottom: 12px;
}

.pdfwin-office__row input[type='file'] {
    flex: 1 1 200px;
    font-size: 0.9rem;
}

@media (max-width: 480px) {
    .pdfwin-office {
        margin-left: 0.75rem;
        margin-right: 0.75rem;
        padding: 1.25rem 1rem;
    }

    .pdfwin-office.pdfwin-office--stage {
        margin-left: 0.75rem;
        margin-right: 0.75rem;
        padding: 1.35rem 1rem 1.65rem;
    }

    .pdfwin-office__title {
        font-size: 1.1rem;
    }
}