#png2pdf-app {
    --ink: #1B2430;
    --ink-soft: #5B6472;
    --paper: #FBF8F3;
    --paper-border: #E4DFD2;
    --accent: #E8672B;
    --accent-dark: #C8531E;
    --accent-wash: #FCE9DD;

    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--ink);
    box-sizing: border-box;

    /* Break out of the theme's content column so this centers on the
       full page width, not just within a narrow/offset container. */
    width: 100vw;
    max-width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
}

.png2pdf-inner {
    max-width: 760px;
    margin: 0 auto;
    padding: 0 20px;
}

#png2pdf-app *,
#png2pdf-app *::before,
#png2pdf-app *::after {
    box-sizing: border-box;
}

#png2pdf-app .png2pdf-heading h2 {
    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ---- Heading ---- */
.png2pdf-heading {
    text-align: center;
    padding: 4px 16px 18px;
}

.png2pdf-heading h2 {
    font-size: 26px;
    font-weight: 700;
    color: var(--ink);
    margin: 0 0 6px;
}

.png2pdf-heading p {
    font-size: 14px;
    color: var(--ink-soft);
    margin: 0;
    max-width: 460px;
    margin-left: auto;
    margin-right: auto;
}

/* ---- Card ---- */
.png2pdf-card {
    background: var(--paper);
    border: 1px solid var(--paper-border);
    border-radius: 18px;
    padding: 20px;
    margin-top: 4px;
}

/* ---- Toolbar ---- */
.png2pdf-toolbar {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.png2pdf-count {
    margin-left: auto;
    font-size: 13px;
    color: var(--ink-soft);
    font-weight: 500;
}

/* ---- Buttons ---- */
.png2pdf-btn {
    font-size: 14px;
    font-weight: 600;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: background .15s ease, transform .05s ease, border-color .15s ease;
}

.png2pdf-btn:active {
    transform: scale(0.98);
}

.png2pdf-btn-sm {
    padding: 10px 16px;
}

.png2pdf-btn-primary {
    background: var(--ink);
    color: #fff;
}

.png2pdf-btn-primary:hover {
    background: #0f151d;
}

.png2pdf-btn-ghost {
    background: var(--accent-wash);
    color: var(--accent-dark);
}

.png2pdf-btn-ghost:hover {
    background: #f9d9c5;
}

.png2pdf-btn-convert {
    width: 100%;
    margin-top: 18px;
    padding: 15px 24px;
    font-size: 16px;
    background: var(--accent);
    color: #fff;
}

.png2pdf-btn-convert:hover {
    background: var(--accent-dark);
}

.png2pdf-btn-convert:disabled {
    background: #d8cfc2;
    cursor: not-allowed;
}

/* ---- Drop zone ---- */
.png2pdf-drop {
    position: relative;
    border: 2px dashed var(--paper-border);
    border-radius: 14px;
    background: #fff;
    min-height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color .15s ease, background .15s ease;
}

.png2pdf-drop.is-empty {
    cursor: pointer;
}

.png2pdf-drop.is-empty:hover {
    border-color: var(--accent);
}

.png2pdf-drop.is-dragover {
    border-color: var(--accent);
    background: var(--accent-wash);
}

.png2pdf-empty {
    width: 100%;
    text-align: center;
    padding: 28px 16px;
    color: var(--ink-soft);
}

.png2pdf-empty-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--accent-wash);
    border: none;
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    margin-bottom: 10px;
    transition: background .15s ease, transform .05s ease;
}

.png2pdf-empty-icon:hover {
    background: #f9d9c5;
}

.png2pdf-empty-icon:active {
    transform: scale(0.95);
}

.png2pdf-empty p {
    margin: 4px 0 0;
    font-size: 15px;
    font-weight: 500;
    color: var(--ink);
}

.png2pdf-empty-note {
    font-size: 12px !important;
    font-weight: 400 !important;
    color: var(--ink-soft) !important;
    margin-top: 6px !important;
}

/* Horizontal thumbnail strip */
.png2pdf-items {
    display: flex;
    gap: 12px;
    list-style: none;
    margin: 0;
    padding: 16px 44px;
    overflow-x: auto;
    scroll-behavior: smooth;
    width: 100%;
    scrollbar-width: thin;
}

.png2pdf-item {
    flex-shrink: 0;
    width: 96px;
    cursor: grab;
    position: relative;
}

.png2pdf-item.dragging {
    opacity: 0.4;
}

.png2pdf-item-thumb-wrap {
    position: relative;
    width: 96px;
    height: 96px;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--paper-border);
    background: var(--paper);
}

.png2pdf-item-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.png2pdf-item-order {
    position: absolute;
    top: 4px;
    left: 4px;
    background: rgba(27, 36, 48, 0.75);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.png2pdf-item-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    background: rgba(27, 36, 48, 0.75);
    border: none;
    color: #fff;
    font-size: 14px;
    line-height: 1;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.png2pdf-item-remove:hover {
    background: var(--accent-dark);
}

.png2pdf-item-name {
    font-size: 11px;
    color: var(--ink-soft);
    margin-top: 5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-align: center;
}

/* Nav arrows */
.png2pdf-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--paper-border);
    background: #fff;
    color: var(--ink-soft);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(27, 36, 48, 0.08);
}

.png2pdf-nav:hover {
    color: var(--accent);
    border-color: var(--accent);
}

.png2pdf-nav-prev { left: 6px; }
.png2pdf-nav-next { right: 6px; }

/* ---- Options ---- */
.png2pdf-options {
    display: flex;
    gap: 14px;
    margin-top: 18px;
    flex-wrap: wrap;
}

.png2pdf-option {
    flex: 1;
    min-width: 140px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.png2pdf-option label {
    font-size: 12px;
    font-weight: 600;
    color: var(--ink-soft);
}

.png2pdf-option select {
    padding: 10px 12px;
    border-radius: 8px;
    border: 1.5px solid var(--paper-border);
    background: #fff;
    font-size: 14px;
    color: var(--ink);
}

/* ---- Status ---- */
.png2pdf-status {
    margin-top: 12px;
    font-size: 13px;
    text-align: center;
    min-height: 18px;
}

.png2pdf-status.is-error { color: #C0392B; }
.png2pdf-status.is-success { color: #1A7A4C; }

@media (max-width: 480px) {
    .png2pdf-card { padding: 14px; }
    .png2pdf-options { flex-direction: column; }
    .png2pdf-count { width: 100%; margin-left: 0; }
}