.instipp-pdf-viewer {
    --pdf-accent: #0d8d67;
    --pdf-accent-strong: #075f45;
    --pdf-accent-soft: rgba(13, 141, 103, 0.12);
    --pdf-ink: #18352d;
    --pdf-muted: #5f756d;
    --pdf-frame-height: 720px;
    position: relative;
    border: 1px solid rgba(16, 52, 42, 0.08);
    border-radius: 28px;
    padding: clamp(1.2rem, 1rem + 1vw, 2rem);
    background:
        radial-gradient(circle at top right, rgba(13, 141, 103, 0.16), transparent 32%),
        linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(243, 248, 246, 0.96));
    box-shadow: 0 28px 60px rgba(10, 33, 27, 0.12);
    overflow: hidden;
    text-align: left;
}

.instipp-pdf-viewer::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    pointer-events: none;
    border: 1px solid rgba(255, 255, 255, 0.7);
}

.instipp-pdf-viewer__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.instipp-pdf-viewer__copy {
    max-width: 640px;
}

.instipp-pdf-viewer__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    margin-bottom: 0.75rem;
    padding: 0.45rem 0.8rem;
    border-radius: 999px;
    background: var(--pdf-accent-soft);
    color: var(--pdf-accent-strong);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.instipp-pdf-viewer__title {
    margin: 0;
    color: var(--pdf-ink);
    font-size: clamp(1.3rem, 1.15rem + 0.55vw, 1.8rem);
    line-height: 1.2;
}

.instipp-pdf-viewer__description {
    margin: 0.85rem 0 0;
    color: var(--pdf-muted);
    font-size: 0.98rem;
    line-height: 1.7;
}

.instipp-pdf-viewer__actions {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.85rem;
    min-width: 220px;
}

.instipp-pdf-viewer__state {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.55rem 0.95rem;
    border-radius: 999px;
    background: rgba(7, 95, 69, 0.1);
    color: var(--pdf-accent-strong);
    font-size: 0.82rem;
    font-weight: 700;
}

.instipp-pdf-viewer__download {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    min-width: 220px;
    padding: 0.9rem 1.25rem;
    border: 0;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--pdf-accent), var(--pdf-accent-strong));
    box-shadow: 0 16px 32px rgba(7, 95, 69, 0.22);
    font-weight: 700;
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.instipp-pdf-viewer__download:hover,
.instipp-pdf-viewer__download:focus-visible {
    transform: translateY(-1px);
    box-shadow: 0 20px 36px rgba(7, 95, 69, 0.26);
}

.instipp-pdf-viewer__download:disabled {
    transform: none;
    box-shadow: none;
    background: linear-gradient(135deg, #98ada5, #7d9088);
    cursor: not-allowed;
    opacity: 0.78;
}

.instipp-pdf-viewer__frame-shell {
    position: relative;
    padding: 1rem;
    border-radius: 24px;
    background:
        linear-gradient(180deg, rgba(8, 24, 20, 0.96), rgba(12, 16, 28, 0.98)),
        linear-gradient(135deg, rgba(13, 141, 103, 0.22), rgba(7, 95, 69, 0.12));
    overflow: hidden;
}

.instipp-pdf-viewer__panel {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    margin-bottom: 0.85rem;
    padding: 0.45rem 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.86);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.instipp-pdf-viewer__panel-dot {
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 50%;
    background: #42d89f;
    box-shadow: 0 0 0 6px rgba(66, 216, 159, 0.14);
}

.instipp-pdf-viewer__loading {
    position: absolute;
    inset: 4.2rem 1rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.85rem;
    border-radius: 20px;
    background: linear-gradient(180deg, rgba(8, 24, 20, 0.78), rgba(12, 16, 28, 0.58));
    color: rgba(255, 255, 255, 0.84);
    font-weight: 600;
    z-index: 2;
    transition: opacity 0.25s ease, visibility 0.25s ease;
}

.instipp-pdf-viewer.is-frame-ready .instipp-pdf-viewer__loading,
.instipp-pdf-viewer__loading[hidden] {
    opacity: 0;
    visibility: hidden;
}

.instipp-pdf-viewer__loading-spinner {
    width: 2.2rem;
    height: 2.2rem;
    border: 3px solid rgba(255, 255, 255, 0.16);
    border-top-color: #42d89f;
    border-radius: 50%;
    animation: instipp-pdf-spin 0.85s linear infinite;
}

.instipp-pdf-viewer__frame {
    display: block;
    width: 100%;
    height: var(--pdf-frame-height);
    border: 0;
    border-radius: 20px;
    background: #ffffff;
}

.instipp-pdf-viewer__hint {
    margin: 1rem 0 0;
    color: var(--pdf-muted);
    font-size: 0.92rem;
    line-height: 1.6;
}

.instipp-pdf-viewer.is-download-disabled .instipp-pdf-viewer__state {
    background: rgba(137, 84, 84, 0.1);
    color: #875454;
}

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

@media (max-width: 991.98px) {
    .instipp-pdf-viewer__header {
        flex-direction: column;
    }

    .instipp-pdf-viewer__actions {
        width: 100%;
        align-items: stretch;
        min-width: 0;
    }

    .instipp-pdf-viewer__download {
        width: 100%;
        min-width: 0;
    }
}

@media (max-width: 767.98px) {
    .instipp-pdf-viewer {
        border-radius: 22px;
        padding: 1rem;
    }

    .instipp-pdf-viewer__frame-shell {
        padding: 0.75rem;
        border-radius: 20px;
    }

    .instipp-pdf-viewer__frame {
        height: min(72vh, 560px);
        border-radius: 16px;
    }

    .instipp-pdf-viewer__loading {
        inset: 3.8rem 0.75rem 0.75rem;
        border-radius: 16px;
    }
}