/* PDF Remove Pages Tool v2 — Polished */

/* Layout */
.tool-page__content { display: grid; grid-template-columns: 1fr 380px; gap: var(--space-6); align-items: start; }
.tool-right-col { display: flex; flex-direction: column; gap: var(--space-5); position: sticky; top: var(--space-4); }

/* Ads */
.rp-ad { margin: var(--space-4) 0; text-align: center; overflow: hidden; }
.rp-ad__wrap { display: inline-block; max-width: 100%; overflow: hidden; }
.rp-ad--728 { display: block; } .rp-ad--300 { display: none; }
@media (max-width: 768px) { .rp-ad--728 { display: none; } .rp-ad--300 { display: block; } }
.rp-ad iframe { max-width: 100% !important; }
.rp-ad--sidebar { text-align: center; }
.rp-ad--result, .rp-ad--processing { margin: var(--space-4) 0; text-align: center; }

/* File header */
.rp-file-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 10px; padding-bottom: 10px;
    border-bottom: 1px solid var(--gray-100);
}
.rp-file-header__info {
    font-size: 13px; font-weight: 600; color: var(--text-primary);
    display: flex; align-items: center; gap: 6px;
}
.rp-file-header__info svg { flex-shrink: 0; color: var(--primary-600); }
.rp-hint {
    font-size: 12px; color: var(--text-tertiary);
    margin-bottom: 12px;
    padding: 8px 12px;
    background: rgba(239,68,68,0.04);
    border-radius: 8px;
    border-left: 3px solid #ef4444;
}

/* Page Grid */
.rp-page-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 10px;
    max-height: 450px;
    overflow-y: auto;
    padding: 10px;
    background: var(--bg-tertiary);
    border-radius: 12px;
    border: 1px solid var(--gray-100);
}
.rp-page-grid::-webkit-scrollbar { width: 6px; }
.rp-page-grid::-webkit-scrollbar-track { background: transparent; }
.rp-page-grid::-webkit-scrollbar-thumb { background: var(--gray-200); border-radius: 3px; }

/* Page Thumbnails */
.rp-page {
    position: relative;
    background: var(--bg-primary);
    border: 2.5px solid var(--gray-200);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    overflow: hidden;
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.rp-page:hover {
    border-color: var(--primary-400);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.rp-page canvas {
    width: 100%;
    display: block;
    border-radius: 7px;
}
.rp-page__num {
    font-size: 20px; font-weight: 700; color: var(--primary-600);
    display: flex; align-items: center; justify-content: center;
    min-height: 110px;
    background: linear-gradient(180deg, var(--bg-primary), var(--bg-tertiary));
}
.rp-page__badge {
    position: absolute; bottom: 6px; left: 50%; transform: translateX(-50%);
    background: rgba(0,0,0,0.65); color: #fff;
    font-size: 10px; font-weight: 700;
    padding: 2px 10px; border-radius: 99px;
    backdrop-filter: blur(4px);
}

/* Marked for removal */
.rp-page.marked {
    border-color: #ef4444;
    opacity: 1;
    transform: scale(0.96);
    box-shadow: 0 0 0 2px rgba(239,68,68,0.15);
}
.rp-page.marked::before {
    content: '✕';
    position: absolute;
    top: 6px; right: 6px;
    width: 22px; height: 22px;
    background: #ef4444;
    color: white;
    border-radius: 50%;
    font-size: 12px; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
    z-index: 2;
    box-shadow: 0 2px 6px rgba(239,68,68,0.4);
}
.rp-page.marked::after {
    content: '';
    position: absolute; inset: 0;
    background: rgba(239,68,68,0.12);
    border-radius: 7px;
    pointer-events: none;
}
.rp-page.marked .rp-page__badge {
    background: #ef4444;
}
.rp-page.marked canvas,
.rp-page.marked .rp-page__num {
    filter: grayscale(0.5);
    opacity: 0.6;
}

/* Quick Actions */
.rp-quick-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.rp-quick-actions .btn {
    display: inline-flex; align-items: center; gap: 6px;
    border-radius: 8px; font-size: 12px;
}
.rp-quick-actions .btn svg { flex-shrink: 0; }

/* Status */
.rp-status {
    font-size: 13px; font-weight: 600;
    padding: 10px 14px;
    background: rgba(239,68,68,0.06);
    border: 1px solid rgba(239,68,68,0.12);
    border-radius: 10px;
    color: #dc2626;
    display: flex; align-items: center; gap: 6px;
}

/* Full-screen overlay */
.rp-fulloverlay {
    position: fixed; inset: 0; z-index: 9999;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(6px);
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    padding: var(--space-4);
}
.rp-fulloverlay.hidden { display: none; }
.rp-fulloverlay__content {
    background: var(--bg-primary);
    border-radius: 20px;
    padding: 32px 28px;
    text-align: center;
    max-width: 360px; width: 100%;
    box-shadow: 0 24px 48px rgba(0,0,0,0.2);
    display: flex; flex-direction: column;
    align-items: center; gap: 14px;
}
.rp-fulloverlay__text { font-size: 16px; font-weight: 600; color: var(--text-primary); }
.rp-fulloverlay__sub { font-size: 12px; color: var(--text-tertiary); }
.rp-spinner {
    width: 36px; height: 36px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary-500);
    border-radius: 50%;
    animation: rp-spin 0.8s linear infinite;
}
@keyframes rp-spin { to { transform: rotate(360deg); } }

/* Remove button */
#btn-remove {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    transition: all 0.2s;
}
#btn-remove svg { flex-shrink: 0; }
#btn-remove:not(:disabled) {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
    border-color: transparent;
    box-shadow: 0 2px 10px rgba(220,38,38,0.25);
}
#btn-remove:not(:disabled):hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(220,38,38,0.35);
}

/* ═══ Shared tc- classes ═══ */
.tc-breadcrumb { font-size: var(--text-xs); color: var(--text-tertiary); margin-bottom: var(--space-4); }
.tc-breadcrumb a { color: var(--text-tertiary); text-decoration: none; }
.tc-breadcrumb a:hover { color: var(--primary-600); }
.tc-breadcrumb span { margin: 0 var(--space-1); }
.tc-breadcrumb span:last-child { color: var(--text-primary); font-weight: 500; }
.tc-header { display: flex; align-items: flex-start; gap: var(--space-4); margin-bottom: var(--space-6); }
.tc-header__icon { flex-shrink: 0; margin-top: 2px; color: var(--primary-600); }
.tc-header__title { font-size: var(--text-2xl); font-weight: 700; margin: 0 0 var(--space-1); }
.tc-header__desc { font-size: var(--text-sm); color: var(--text-secondary); margin: 0; line-height: 1.5; }
.tc-actions { padding: 12px; display: flex; gap: 8px; background: var(--bg-secondary); border-top: 1px solid var(--gray-100); }
.tc-actions .btn { flex: 1; font-size: 12px; display: inline-flex; align-items: center; justify-content: center; gap: 6px; }
.tc-actions .btn svg { flex-shrink: 0; }
.tc-note {
    margin-top: var(--space-4); padding: 12px 14px;
    background: var(--bg-tertiary); border-radius: 10px;
    font-size: 12px; color: var(--text-tertiary); line-height: 1.5;
    display: flex; align-items: flex-start; gap: 8px;
    border: 1px solid var(--gray-100);
}
.tc-note svg { flex-shrink: 0; margin-top: 1px; }

/* Result */
.tc-result { max-width: 480px; margin: 0 auto; padding: var(--space-6); }
.tc-result__header { text-align: center; margin-bottom: var(--space-6); }
.tc-result__icon { margin-bottom: var(--space-2); color: var(--success); }
.tc-result__title { font-size: var(--text-xl); font-weight: 700; color: var(--success); margin: 0 0 var(--space-2); }
.tc-result__meta { font-size: var(--text-sm); color: var(--text-secondary); margin: 0; }
.tc-result__file {
    display: flex; align-items: center; gap: 12px;
    padding: 14px; background: var(--bg-tertiary);
    border-radius: 12px; margin-bottom: var(--space-4);
    border: 1px solid var(--gray-100);
}
.tc-result__file-icon { flex-shrink: 0; color: var(--text-tertiary); }
.tc-result__filename { font-weight: 600; font-size: 14px; word-break: break-all; }
.tc-result__filesize { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }
.tc-result__rename { margin-bottom: var(--space-4); }
.tc-result__rename label { font-size: 12px; font-weight: 600; color: var(--text-secondary); display: block; margin-bottom: 6px; }
.tc-result__rename input {
    width: 100%; padding: 10px 12px;
    border: 1.5px solid var(--gray-200); border-radius: 10px;
    font-size: 14px; background: var(--bg-primary); box-sizing: border-box;
}
.tc-result__rename input:focus { outline: none; border-color: var(--primary-400); box-shadow: 0 0 0 3px rgba(99,102,241,0.1); }
.tc-result__actions { display: flex; gap: 10px; margin-bottom: var(--space-4); }
.tc-result__actions .btn { flex: 1; text-align: center; display: inline-flex; align-items: center; justify-content: center; gap: 6px; }
.tc-result__actions .btn svg { flex-shrink: 0; }

/* Related tools */
.tc-related { padding-top: var(--space-4); border-top: 1px solid var(--gray-100); }
.tc-related__title { font-size: 11px; font-weight: 700; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: var(--space-3); }
.tc-related__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.tc-related__grid a {
    display: flex; align-items: center; justify-content: center; gap: 6px;
    padding: 10px; background: var(--bg-tertiary);
    border-radius: 10px; font-size: 13px; font-weight: 500;
    color: var(--text-secondary); text-decoration: none;
    border: 1px solid transparent; transition: all 0.15s;
}
.tc-related__grid a svg { flex-shrink: 0; }
.tc-related__grid a:hover { background: var(--primary-50); color: var(--primary-700); border-color: var(--primary-200); }

/* FAQ */
.tc-faq { display: flex; flex-direction: column; gap: var(--space-3); }
.tc-faq details {
    background: var(--bg-secondary); border-radius: 12px;
    border: 1px solid var(--gray-100); padding: var(--space-4);
    transition: border-color 0.15s;
}
.tc-faq details[open] { border-color: var(--primary-200); }
.tc-faq summary { font-weight: 500; cursor: pointer; font-size: var(--text-sm); }
.tc-faq p { margin-top: var(--space-3); font-size: var(--text-sm); color: var(--text-secondary); line-height: 1.6; }

/* Responsive */
@media (max-width: 768px) {
    .tool-page__content { grid-template-columns: 1fr; }
    .tool-right-col { position: static; }
    .tc-header { gap: var(--space-3); }
    .tc-header__title { font-size: var(--text-xl); }
    .rp-page-grid { grid-template-columns: repeat(auto-fill, minmax(80px, 1fr)); gap: 8px; }
    .tc-result { padding: var(--space-4); }
    .tc-related__grid { grid-template-columns: 1fr; }
}