/* ============================================================
   Rotate PDF Tool — rotate-pdf.css
   Prefix: rp-
   Accent: #8B5CF6  (violet)
   Accent RGB: 139, 92, 246
   ============================================================ */

/* ── Accent override for tool-base shared classes ─────────── */
.rp-section {
    --tool-accent: #8B5CF6;
    --tool-accent-rgb: 139, 92, 246;
    padding: 40px 0 80px;
}

/* ── Section badge ─────────────────────────────────────────── */
.rp-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 18px;
    background: rgba(139, 92, 246, 0.08);
    border: 1px solid rgba(139, 92, 246, 0.22);
    border-radius: 50px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: #8B5CF6;
    margin-bottom: 12px;
}

.rp-badge i {
    font-size: 0.875rem;
}

/* ── Upload Zone ───────────────────────────────────────────── */
.rp-upload-zone {
    border: 2px dashed rgba(139, 92, 246, 0.32);
    border-radius: 16px;
    background: rgba(139, 92, 246, 0.03);
    padding: 56px 24px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    outline: none;
}

.rp-upload-zone:hover,
.rp-upload-zone:focus-visible {
    border-color: rgba(139, 92, 246, 0.6);
    background: rgba(139, 92, 246, 0.07);
}

.rp-upload-zone.rp-drag-over {
    border-color: #8B5CF6;
    background: rgba(139, 92, 246, 0.1);
}

.rp-upload-icon {
    font-size: 3rem;
    color: #8B5CF6;
    opacity: 0.65;
    margin-bottom: 14px;
    display: block;
}

.rp-upload-title {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 6px;
}

.rp-upload-sub {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0 0 10px;
}

.rp-upload-formats {
    font-size: 0.875rem;
    color: var(--text-light);
    margin: 0;
    letter-spacing: 0.01em;
}

/* ── Workspace ─────────────────────────────────────────────── */
.rp-workspace {
    margin-top: 24px;
}

/* ── Toolbar ───────────────────────────────────────────────── */
.rp-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    padding: 12px 0;
    border-top: 1px solid rgba(100, 116, 139, 0.1);
    border-bottom: 1px solid rgba(100, 116, 139, 0.1);
    margin-bottom: 24px;
}

.rp-toolbar-left,
.rp-toolbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

/* Select All label + checkbox */
.rp-select-all-wrap {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: 8px;
    border: 1px solid rgba(100, 116, 139, 0.22);
    background: #FFFFFF;
    cursor: pointer;
    user-select: none;
    transition: border-color 0.15s, background 0.15s;
}

.rp-select-all-wrap:hover {
    border-color: rgba(139, 92, 246, 0.35);
    background: rgba(139, 92, 246, 0.04);
}

.rp-select-all-wrap input[type="checkbox"] {
    width: 15px;
    height: 15px;
    accent-color: #8B5CF6;
    cursor: pointer;
    flex-shrink: 0;
}

.rp-select-all-text {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* Vertical divider */
.rp-divider {
    width: 1px;
    height: 22px;
    background: rgba(100, 116, 139, 0.2);
    flex-shrink: 0;
}

/* Summary pill */
.rp-summary {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: rgba(139, 92, 246, 0.07);
    border: 1px solid rgba(139, 92, 246, 0.15);
    border-radius: 8px;
    padding: 5px 12px;
    white-space: nowrap;
}

/* ── Loading indicator ─────────────────────────────────────── */
.rp-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 48px 0;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* ── Pages Grid ────────────────────────────────────────────── */
.rp-pages-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    margin-bottom: 28px;
}

/* ── Page Card ─────────────────────────────────────────────── */
.rp-page-card {
    position: relative;
    display: flex;
    flex-direction: column;
    border: 2px solid rgba(100, 116, 139, 0.15);
    border-radius: 12px;
    overflow: hidden;
    background: #FFFFFF;
    cursor: pointer;
    user-select: none;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.rp-page-card:hover {
    border-color: rgba(139, 92, 246, 0.4);
    box-shadow: 0 3px 12px rgba(139, 92, 246, 0.1);
}

.rp-page-card.rp-selected {
    border-color: #8B5CF6;
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.16);
}

/* ── Per-card checkbox (top-left) ──────────────────────────── */
.rp-card-checkbox {
    position: absolute;
    top: 8px;
    left: 8px;
    z-index: 4;
    width: 17px;
    height: 17px;
    accent-color: #8B5CF6;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.15s;
}

.rp-page-card:hover .rp-card-checkbox,
.rp-page-card.rp-selected .rp-card-checkbox {
    opacity: 1;
}

/* ── Rotation angle badge (top-right) ─────────────────────── */
.rp-rotation-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    z-index: 4;
    background: #8B5CF6;
    color: #FFFFFF;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    padding: 2px 7px;
    border-radius: 6px;
    line-height: 1.6;
    pointer-events: none;
}

/* ── Thumbnail area ────────────────────────────────────────── */
.rp-thumb-area {
    aspect-ratio: 3 / 4;
    overflow: hidden;
    background: #F1F5F9;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.rp-thumb-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    background: #F8FAFC;
    transform-origin: center center;
    transition: transform 0.3s cubic-bezier(0.34, 1.2, 0.64, 1);
}

.rp-thumb-placeholder {
    font-size: 2.5rem;
    color: #8B5CF6;
    opacity: 0.4;
}

/* ── Per-card rotate buttons (hover overlay) ───────────────── */
.rp-card-actions {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 3;
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 12px 8px 10px;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.7) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.2s;
}

.rp-page-card:hover .rp-card-actions {
    opacity: 1;
}

.rp-card-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    color: #FFFFFF;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.15s, border-color 0.15s, transform 0.1s;
}

.rp-card-btn:hover {
    background: rgba(255, 255, 255, 0.28);
    border-color: rgba(255, 255, 255, 0.6);
    transform: scale(1.1);
}

.rp-card-btn:active {
    transform: scale(0.93);
}

/* ── Page number footer ────────────────────────────────────── */
.rp-page-footer {
    padding: 6px 8px;
    text-align: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-light);
    background: #FFFFFF;
    border-top: 1px solid rgba(100, 116, 139, 0.1);
    line-height: 1;
    flex-shrink: 0;
}

/* ── Action Panel ──────────────────────────────────────────── */
.rp-action-panel {
    background: #F8FAFC;
    border: 1px solid rgba(100, 116, 139, 0.12);
    border-radius: 14px;
    padding: 20px 22px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

/* Output filename row */
.rp-output-row {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.rp-output-label {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
    flex-shrink: 0;
}

.rp-output-input-wrap {
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 160px;
    max-width: 360px;
    background: #FFFFFF;
    border: 1px solid rgba(100, 116, 139, 0.22);
    border-radius: 9px;
    overflow: hidden;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.rp-output-input-wrap:focus-within {
    border-color: #8B5CF6;
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.rp-output-input {
    flex: 1;
    padding: 8px 12px;
    font-size: 0.9375rem;
    font-family: inherit;
    color: var(--text-primary);
    background: transparent;
    border: none;
    outline: none;
}

.rp-output-input::placeholder {
    color: #94A3B8;
}

.rp-output-ext {
    padding: 8px 12px;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-light);
    border-left: 1px solid rgba(100, 116, 139, 0.15);
    white-space: nowrap;
}

/* Action row */
.rp-action-row {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.rp-btn-save {
    min-width: 190px;
    padding: 11px 28px;
    font-size: 1rem;
    justify-content: center;
}

/* ── Progress ──────────────────────────────────────────────── */
.rp-progress-wrap {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.rp-progress-bar {
    height: 6px;
    background: rgba(139, 92, 246, 0.12);
    border-radius: 99px;
    overflow: hidden;
}

.rp-progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #8B5CF6, #A78BFA);
    border-radius: 99px;
    transition: width 0.3s ease;
}

.rp-progress-text {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-align: center;
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 1100px) {
    .rp-pages-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 768px) {
    .rp-pages-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }

    .rp-toolbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .rp-toolbar-right {
        width: 100%;
        justify-content: space-between;
    }
}

@media (max-width: 480px) {
    .rp-pages-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .rp-action-panel {
        padding: 16px;
    }
}