/* ============================================
   PNG to PDF Converter
   Prefix: ntp- (avoids custom_styles.css conflicts)
   Primary: #3399cc (blue) | Light default, dark mode
   ============================================ */

:root {
    --ntp-transition: 0.25s;
    --ntp-primary: #3399cc;
    --ntp-primary-light: #e0f4ff;
    --ntp-primary-dark: #2980b9;
    --ntp-accent: #3399cc;
    --ntp-success: #339966;
    --ntp-success-light: #e8f5e9;
    --ntp-warning: #f59e0b;
    --ntp-warning-light: #fef3c7;
    --ntp-danger: #e64e4e;
    --ntp-danger-light: #fee2e2;
    --ntp-bg: #f8fafc;
    --ntp-bg-elevated: #ffffff;
    --ntp-bg-secondary: #f1f5f9;
    --ntp-bg-tertiary: #e2e8f0;
    --ntp-text: #1e293b;
    --ntp-text-secondary: #475569;
    --ntp-text-muted: #64748b;
    --ntp-border: #e2e8f0;
    --ntp-shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --ntp-shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
    --ntp-shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    --ntp-shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1);
    --ntp-shadow-primary: 0 4px 14px rgba(51,153,204,0.25);
    --ntp-shadow-primary-hover: 0 6px 20px rgba(51,153,204,0.35);
    --ntp-radius-sm: 6px;
    --ntp-radius-md: 12px;
    --ntp-radius-lg: 16px;
    --ntp-radius-xl: 24px;
    --ntp-radius-full: 9999px;
    --ntp-checker-a: #f0f0f0;
    --ntp-checker-b: #e0e0e0;
}

[data-theme="dark"] {
    --ntp-primary: #60a5fa;
    --ntp-primary-light: rgba(96,165,250,0.15);
    --ntp-primary-dark: #3399cc;
    --ntp-accent: #60a5fa;
    --ntp-success: #4ade80;
    --ntp-success-light: rgba(74,222,128,0.15);
    --ntp-warning: #fbbf24;
    --ntp-warning-light: rgba(251,191,36,0.15);
    --ntp-danger: #f87171;
    --ntp-danger-light: rgba(248,113,113,0.15);
    --ntp-bg: #0f172a;
    --ntp-bg-elevated: #1e293b;
    --ntp-bg-secondary: #334155;
    --ntp-bg-tertiary: #475569;
    --ntp-text: #f1f5f9;
    --ntp-text-secondary: #cbd5e1;
    --ntp-text-muted: #94a3b8;
    --ntp-border: #334155;
    --ntp-shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --ntp-shadow-md: 0 4px 6px -1px rgba(0,0,0,0.4);
    --ntp-shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.4);
    --ntp-shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.5);
    --ntp-shadow-primary: 0 4px 14px rgba(96,165,250,0.2);
    --ntp-shadow-primary-hover: 0 6px 20px rgba(96,165,250,0.3);
    --ntp-checker-a: #334155;
    --ntp-checker-b: #475569;
}

* { box-sizing: border-box; }

/* ── Layout ─────────────────────────────────────── */
.ntp-container { max-width: 1000px; margin: 0 auto; padding: 2rem; }
.ntp-header { text-align: center; margin-bottom: 2rem; }
.ntp-title-row { display: flex; align-items: center; justify-content: center; gap: 1rem; margin-bottom: 1rem; }

.ntp-icon-wrapper {
    width: 64px; height: 64px; background: var(--ntp-primary);
    border-radius: var(--ntp-radius-lg); display: flex; align-items: center; justify-content: center;
    color: white; box-shadow: var(--ntp-shadow-primary); flex-shrink: 0;
    transition: background-color var(--ntp-transition);
}
.ntp-icon-wrapper svg { width: 28px; height: 28px; }

.ntp-title { font-size: clamp(1.75rem,4vw,2.5rem); font-weight: 700; margin: 0; color: var(--ntp-primary); letter-spacing: -0.02em; }
.ntp-description { font-size: 1.1rem; color: var(--ntp-text-secondary); max-width: 800px; margin: 0 auto; line-height: 1.7; }
.ntp-description a { color: var(--ntp-primary); text-decoration: none; font-weight: 500; }
.ntp-description a:hover { text-decoration: underline; }

/* ── Main Card ───────────────────────────────────── */
.ntp-main {
    background: var(--ntp-bg-elevated); border-radius: var(--ntp-radius-xl);
    box-shadow: var(--ntp-shadow-xl); overflow: visible;
    border: 1px solid var(--ntp-border); margin-bottom: 2rem;
    transition: background-color var(--ntp-transition), border-color var(--ntp-transition);
}

/* ── Upload ──────────────────────────────────────── */
.ntp-upload-section { padding: 3rem; }
.ntp-upload-area {
    border: 2px dashed var(--ntp-border); border-radius: var(--ntp-radius-lg);
    padding: 4rem 2rem; text-align: center; cursor: pointer;
    transition: all 0.3s ease; background: var(--ntp-bg-secondary); position: relative; overflow: hidden;
}
.ntp-upload-area::before { content: ''; position: absolute; inset: 0; background: var(--ntp-primary-light); opacity: 0; transition: opacity 0.3s ease; }
.ntp-upload-area:hover, .ntp-upload-area.drag-over { border-color: var(--ntp-primary); background: var(--ntp-bg); transform: translateY(-2px); box-shadow: var(--ntp-shadow-md); }
.ntp-upload-area:hover::before, .ntp-upload-area.drag-over::before { opacity: 0.5; }
.ntp-upload-content { position: relative; z-index: 1; }
.ntp-upload-icon { color: var(--ntp-primary); margin-bottom: 1.5rem; transition: transform 0.3s ease; }
.ntp-upload-area:hover .ntp-upload-icon { transform: translateY(-5px); }
.ntp-upload-title { font-size: 1.5rem; font-weight: 600; color: var(--ntp-text); margin: 0 0 0.5rem; }
.ntp-upload-subtitle { color: var(--ntp-text-secondary); margin: 0 0 1rem; }
.ntp-file-types { display: flex; gap: 0.5rem; justify-content: center; flex-wrap: wrap; margin-bottom: 1rem; }
.ntp-badge { background: var(--ntp-primary-light); color: var(--ntp-primary); padding: 0.35rem 0.85rem; border-radius: var(--ntp-radius-full); font-size: 0.8rem; font-weight: 600; }
.ntp-badge-png { background: #2b579a; color: white; }
.ntp-upload-hint { display: inline-flex; align-items: center; gap: 0.5rem; color: var(--ntp-text-muted); font-size: 0.875rem; }
.ntp-upload-hint svg { color: var(--ntp-success); }

/* ── Editor ──────────────────────────────────────── */
.ntp-editor-section { background: var(--ntp-bg-elevated); animation: ntp-fadeIn 0.4s ease; }

/* File Info Bar */
.ntp-file-info-bar {
    display: flex; justify-content: space-between; align-items: center;
    padding: 0.875rem 2rem; background: var(--ntp-bg-secondary); border-bottom: 1px solid var(--ntp-border);
    transition: background-color var(--ntp-transition), border-color var(--ntp-transition);
}
.ntp-file-info-left { display: flex; align-items: center; gap: 1.5rem; }
.ntp-info-item { display: flex; align-items: center; gap: 0.5rem; font-size: 0.875rem; color: var(--ntp-text); }
.ntp-info-item svg { color: var(--ntp-primary); }

.ntp-btn-text { display: flex; align-items: center; gap: 0.25rem; background: none; border: none; color: var(--ntp-accent); font-weight: 600; font-size: 0.9rem; cursor: pointer; padding: 0.5rem 0.75rem; border-radius: var(--ntp-radius-md); transition: all 0.2s ease; font-family: inherit; }
.ntp-btn-text:hover { background: var(--ntp-primary-light); }

/* Preview Grid */
.ntp-preview-section { padding: 1.5rem 2rem; border-bottom: 1px solid var(--ntp-border); transition: border-color var(--ntp-transition); }
.ntp-preview-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.25rem; }
.ntp-preview-header h3 { display: flex; align-items: center; gap: 0.5rem; font-size: 1rem; font-weight: 600; color: var(--ntp-text); margin: 0; }
.ntp-preview-header h3 svg { color: var(--ntp-primary); }
.ntp-preview-hint { display: flex; align-items: center; gap: 0.3rem; font-size: 0.8rem; color: var(--ntp-text-muted); }
.ntp-preview-hint svg { color: var(--ntp-text-muted); }

.ntp-preview-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 0.875rem; min-height: 60px;
}

.preview-item {
    position: relative; border-radius: var(--ntp-radius-md); overflow: hidden;
    aspect-ratio: 1; cursor: grab;
    border: 2px solid var(--ntp-border);
    background-image: linear-gradient(45deg,var(--ntp-checker-a) 25%,transparent 25%), linear-gradient(-45deg,var(--ntp-checker-a) 25%,transparent 25%), linear-gradient(45deg,transparent 75%,var(--ntp-checker-a) 75%), linear-gradient(-45deg,transparent 75%,var(--ntp-checker-a) 75%);
    background-size: 12px 12px; background-position: 0 0,0 6px,6px -6px,-6px 0;
    background-color: var(--ntp-checker-b);
    transition: all 0.2s ease;
}
.preview-item:hover { border-color: var(--ntp-primary); transform: scale(1.02); box-shadow: var(--ntp-shadow-md); }
.preview-item img { width: 100%; height: 100%; object-fit: contain; display: block; }

.preview-overlay {
    position: absolute; inset: 0; display: flex; flex-direction: column;
    justify-content: space-between; padding: 0.5rem;
    background: linear-gradient(to top, rgba(0,0,0,0.65) 0%, transparent 50%);
    opacity: 0; transition: opacity 0.2s ease;
}
.preview-item:hover .preview-overlay { opacity: 1; }

.remove-btn {
    align-self: flex-end;
    width: 26px; height: 26px; border-radius: var(--ntp-radius-full);
    background: rgba(0,0,0,0.6); border: none; cursor: pointer;
    color: white; display: flex; align-items: center; justify-content: center; transition: background 0.2s;
}
.remove-btn:hover { background: var(--ntp-danger); }
.remove-btn svg { width: 14px; height: 14px; }

.preview-info { text-align: left; }
.preview-name { display: block; font-size: 0.7rem; font-weight: 600; color: white; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.preview-size { display: block; font-size: 0.65rem; color: rgba(255,255,255,0.75); }

.png-badge { position: absolute; top: 0.4rem; left: 0.4rem; background: #2b579a; color: white; font-size: 0.6rem; font-weight: 700; padding: 0.15rem 0.4rem; border-radius: var(--ntp-radius-sm); }

.preview-number {
    position: absolute; top: 0.4rem; right: 0.4rem;
    width: 22px; height: 22px; background: var(--ntp-primary); color: white;
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-size: 0.7rem; font-weight: 700;
}

/* Sortable drag states */
.sortable-ghost   { opacity: 0.35; }
.sortable-chosen  { box-shadow: var(--ntp-shadow-lg); }
.sortable-drag    { opacity: 0.9; transform: scale(1.04); }

/* ── Settings Panel ──────────────────────────────── */
.ntp-settings-panel { padding: 2rem; background: var(--ntp-bg-elevated); transition: background-color var(--ntp-transition); }
.ntp-panel-header { margin-bottom: 1.5rem; }
.ntp-panel-header h3 { display: flex; align-items: center; gap: 0.5rem; font-size: 1.05rem; font-weight: 600; color: var(--ntp-text); margin: 0; }
.ntp-panel-header h3 svg { color: var(--ntp-primary); }

.ntp-settings-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.ntp-setting-group { display: flex; flex-direction: column; gap: 0.6rem; }
.ntp-full-width { grid-column: 1 / -1; }
.ntp-section-label { display: flex; align-items: center; gap: 0.5rem; font-weight: 600; font-size: 0.875rem; color: var(--ntp-text); }
.ntp-section-label svg { color: var(--ntp-primary); }

/* Output Mode Cards */
.ntp-mode-options { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.ntp-mode-option { cursor: pointer; }
.ntp-mode-option input { display: none; }
.ntp-mode-card {
    display: flex; flex-direction: column; align-items: center; gap: 0.3rem;
    padding: 1.1rem 0.75rem; background: var(--ntp-bg-secondary);
    border: 2px solid var(--ntp-border); border-radius: var(--ntp-radius-md);
    transition: all 0.2s ease; text-align: center;
}
.ntp-mode-card svg { color: var(--ntp-text-muted); }
.ntp-mode-name { font-weight: 600; font-size: 0.875rem; color: var(--ntp-text); }
.ntp-mode-desc { font-size: 0.75rem; color: var(--ntp-text-muted); }
.ntp-mode-option:hover .ntp-mode-card { border-color: var(--ntp-primary); }
.ntp-mode-option input:checked + .ntp-mode-card { background: var(--ntp-primary-light); border-color: var(--ntp-primary); }
.ntp-mode-option input:checked + .ntp-mode-card svg { color: var(--ntp-primary); }
.ntp-mode-option input:checked + .ntp-mode-card .ntp-mode-name { color: var(--ntp-primary); }

/* Select & Text Input */
.ntp-select, .ntp-text-input {
    width: 100%; padding: 0.6rem 0.875rem;
    border: 1px solid var(--ntp-border); border-radius: var(--ntp-radius-md);
    background: var(--ntp-bg-elevated); color: var(--ntp-text);
    font-size: 0.9rem; font-family: inherit; transition: all 0.2s ease;
}
.ntp-select:focus, .ntp-text-input:focus { outline: none; border-color: var(--ntp-primary); box-shadow: 0 0 0 3px rgba(51,153,204,0.12); }
.ntp-select:disabled { opacity: 0.5; cursor: not-allowed; }

/* Quality Info */
.ntp-quality-info { display: flex; align-items: flex-start; gap: 0.75rem; margin-top: 1.5rem; padding: 1rem; background: var(--ntp-primary-light); border-radius: var(--ntp-radius-md); font-size: 0.875rem; color: var(--ntp-text-secondary); line-height: 1.5; transition: background-color var(--ntp-transition); }
.ntp-quality-info svg { color: var(--ntp-primary); flex-shrink: 0; margin-top: 2px; }

/* ── Action Bar ──────────────────────────────────── */
.ntp-action-bar { display: flex; justify-content: flex-end; gap: 1rem; padding: 1.25rem 2rem; border-top: 1px solid var(--ntp-border); background: var(--ntp-bg-secondary); transition: background-color var(--ntp-transition), border-color var(--ntp-transition); }

/* ── Buttons ─────────────────────────────────────── */
.ntp-btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.75rem 1.75rem; border-radius: var(--ntp-radius-full); font-size: 0.95rem; font-weight: 600; cursor: pointer; transition: all 0.2s ease; text-decoration: none; border: none; font-family: inherit; }
.ntp-btn svg { width: 17px; height: 17px; }
.ntp-btn-primary { background: var(--ntp-primary); color: white; box-shadow: var(--ntp-shadow-primary); }
.ntp-btn-primary:hover { background: var(--ntp-primary-dark); transform: translateY(-2px); box-shadow: var(--ntp-shadow-primary-hover); }
.ntp-btn-primary:disabled { opacity: 0.6; cursor: not-allowed; transform: none; box-shadow: none; }
.ntp-btn-secondary { background: var(--ntp-bg-elevated); color: var(--ntp-text); border: 1px solid var(--ntp-border); }
.ntp-btn-secondary:hover { background: var(--ntp-bg); border-color: var(--ntp-text-muted); }
/* Override custom_styles.css #resetBtn specificity issue */
.ntp-reset-btn { background: var(--ntp-bg-elevated) !important; color: var(--ntp-text) !important; border: 1px solid var(--ntp-border) !important; box-shadow: none !important; }
.ntp-reset-btn:hover { background: var(--ntp-bg) !important; transform: none !important; }

/* ── Processing Overlay ──────────────────────────── */
.ntp-processing-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.55); backdrop-filter: blur(2px); z-index: 9000; display: flex; align-items: center; justify-content: center; }
.ntp-processing-card { background: var(--ntp-bg-elevated); border-radius: var(--ntp-radius-xl); padding: 2.5rem 2rem; min-width: 280px; max-width: 340px; width: 90%; text-align: center; box-shadow: var(--ntp-shadow-xl); border: 1px solid var(--ntp-border); }
.ntp-processing-ring { width: 48px; height: 48px; margin: 0 auto 1.25rem; border: 4px solid var(--ntp-border); border-top-color: var(--ntp-primary); border-radius: 50%; animation: ntp-spin 0.8s linear infinite; }
.ntp-processing-text { font-size: 1.1rem; font-weight: 600; color: var(--ntp-text); margin: 0 0 0.35rem; }
.ntp-processing-sub  { font-size: 0.875rem; color: var(--ntp-text-muted); margin: 0 0 1.25rem; }
.ntp-progress-bar-wrap { width: 100%; height: 8px; background: var(--ntp-border); border-radius: var(--ntp-radius-full); overflow: hidden; margin-bottom: 0.625rem; }
.ntp-progress-fill { height: 100%; width: 0%; background: var(--ntp-primary); border-radius: var(--ntp-radius-full); transition: width 0.3s ease; }
.ntp-progress-pct { font-size: 0.85rem; color: var(--ntp-text-muted); margin: 0; }

/* ── Results ─────────────────────────────────────── */
.ntp-results-section { padding: 2.5rem; text-align: center; animation: ntp-fadeIn 0.4s ease; }
.ntp-results-header { margin-bottom: 2rem; }
.ntp-success-icon { width: 72px; height: 72px; background: var(--ntp-success); border-radius: var(--ntp-radius-full); display: flex; align-items: center; justify-content: center; margin: 0 auto 1.25rem; color: white; }
.ntp-results-header h2 { font-size: 1.75rem; color: var(--ntp-text); margin: 0 0 0.5rem; }
.ntp-results-header p  { color: var(--ntp-text-muted); margin: 0; }

.ntp-download-list { display: flex; flex-direction: column; gap: 0.75rem; max-width: 600px; margin: 0 auto 2rem; text-align: left; }
.download-item { display: flex; align-items: center; gap: 1rem; padding: 1rem 1.25rem; background: var(--ntp-bg-secondary); border: 1px solid var(--ntp-border); border-radius: var(--ntp-radius-md); transition: all 0.2s ease; }
.download-item:hover { border-color: var(--ntp-primary); }
.download-item-info { display: flex; align-items: center; gap: 0.75rem; flex: 1; min-width: 0; }
.download-item-info svg { color: var(--ntp-primary); flex-shrink: 0; width: 22px; height: 22px; }
.download-item-details { flex: 1; min-width: 0; }
.download-item-name { display: block; font-weight: 600; color: var(--ntp-text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-bottom: 0.2rem; }
.download-item-size { font-size: 0.8rem; color: var(--ntp-text-muted); }
/* Download button in results - needs full specificity override */
.ntp-container .download-btn {
    display: inline-flex !important; align-items: center !important; gap: 0.4rem !important;
    padding: 0.5rem 1rem !important;
    background: var(--ntp-primary) !important; color: white !important;
    border: none !important; border-radius: var(--ntp-radius-md) !important;
    font-size: 0.875rem !important; font-weight: 600 !important; cursor: pointer !important;
    transition: all 0.2s ease !important; font-family: inherit !important;
    box-shadow: none !important; transform: none !important;
    flex-shrink: 0 !important;
}
.ntp-container .download-btn:hover {
    background: var(--ntp-primary-dark) !important;
    transform: none !important;
}
.ntp-container .download-btn svg { width: 15px; height: 15px; }

.ntp-results-actions { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }

/* ── Error ───────────────────────────────────────── */
.ntp-error {
    display: flex; align-items: flex-start; gap: 0.75rem; background: var(--ntp-danger-light);
    border: 1px solid var(--ntp-danger); padding: 1rem 1.25rem;
    border-radius: var(--ntp-radius-md); margin: 1.25rem;
}
.ntp-error svg { color: var(--ntp-danger); flex-shrink: 0; margin-top: 2px; }
.ntp-error-body { flex: 1; font-size: 0.875rem; color: var(--ntp-danger); }
.ntp-error-body a { color: var(--ntp-danger); font-weight: 600; text-decoration: underline; }

/* ── Info Section ────────────────────────────────── */
.ntp-info-section { display: flex; flex-direction: column; gap: 1.5rem; }

.ntp-related-tools { display: flex; align-items: center; flex-wrap: wrap; gap: 0.75rem; padding: 0.5rem 0; margin-bottom: 0.5rem; }
.ntp-related-label { display: flex; align-items: center; gap: 0.4rem; font-weight: 600; color: var(--ntp-text); font-size: 0.875rem; flex-shrink: 0; }
.ntp-related-label svg { color: var(--ntp-primary); width: 14px; height: 14px; }
.ntp-related-links { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.ntp-related-link { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.5rem 1rem; background: var(--ntp-bg-secondary); border-radius: var(--ntp-radius-full); color: var(--ntp-text-secondary); text-decoration: none; font-size: 0.875rem; font-weight: 500; transition: all 0.2s ease; border: 1px solid var(--ntp-border); }
.ntp-related-link:hover { background: var(--ntp-primary); color: white; border-color: var(--ntp-primary); transform: translateY(-2px); }
.ntp-related-link svg { width: 14px; height: 14px; }

.ntp-info-card { border-radius: var(--ntp-radius-xl); padding: 2rem; background: var(--ntp-bg-elevated); border: 1px solid var(--ntp-border); box-shadow: var(--ntp-shadow-sm); transition: background-color var(--ntp-transition), border-color var(--ntp-transition); }
.ntp-info-card h2 { display: flex; align-items: center; gap: 0.75rem; font-size: 1.2rem; font-weight: 700; color: var(--ntp-text); margin: 0 0 1.5rem; }
.ntp-info-card h2 svg { color: var(--ntp-primary); }

.ntp-steps-list { list-style: none; padding: 0; margin: 0 0 1.25rem; counter-reset: ntp-step; }
.ntp-steps-list li { position: relative; padding-left: 3.25rem; padding-bottom: 1rem; color: var(--ntp-text-secondary); line-height: 1.6; counter-increment: ntp-step; }
.ntp-steps-list li:last-child { padding-bottom: 0; }
.ntp-steps-list li::before { content: counter(ntp-step); position: absolute; left: 0; top: 0; width: 1.9rem; height: 1.9rem; background: var(--ntp-primary); color: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 0.85rem; }
.ntp-steps-list li:not(:last-child)::after { content: ''; position: absolute; left: 0.9rem; top: 2rem; bottom: 0; width: 2px; background: var(--ntp-border); }
.ntp-steps-list li a { color: var(--ntp-primary); text-decoration: none; font-weight: 500; }
.ntp-steps-list li a:hover { text-decoration: underline; }

.ntp-tip { display: flex; align-items: flex-start; gap: 0.75rem; padding: 1rem; background: var(--ntp-warning-light); border-radius: var(--ntp-radius-md); font-size: 0.875rem; color: var(--ntp-text-secondary); line-height: 1.6; }
.ntp-tip svg { color: var(--ntp-warning); flex-shrink: 0; margin-top: 2px; }
.ntp-tip a { color: var(--ntp-primary); font-weight: 600; text-decoration: none; }
.ntp-tip a:hover { text-decoration: underline; }

.ntp-features-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1.5rem; }
.ntp-feature { display: flex; gap: 1rem; align-items: flex-start; }
.ntp-feature-icon { width: 46px; height: 46px; flex-shrink: 0; background: var(--ntp-primary-light); border-radius: var(--ntp-radius-md); display: flex; align-items: center; justify-content: center; color: var(--ntp-primary); }
.ntp-feature h3 { font-size: 0.95rem; font-weight: 600; color: var(--ntp-text); margin: 0 0 0.25rem; }
.ntp-feature p  { font-size: 0.875rem; color: var(--ntp-text-secondary); margin: 0; line-height: 1.5; }

/* FAQ - global _footer.php accordion uses .faq-item.open */
.faq-section { display: flex; flex-direction: column; gap: 0.625rem; }

/* ── Animations ──────────────────────────────────── */
@keyframes ntp-fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes ntp-spin   { to { transform: rotate(360deg); } }

/* ── Responsive ──────────────────────────────────── */
@media (max-width: 900px) { .ntp-settings-grid { grid-template-columns: 1fr; } .ntp-features-grid { grid-template-columns: 1fr; } }
@media (max-width: 768px) {
    .ntp-container { padding: 1rem; }
    .ntp-upload-section { padding: 2rem 1.25rem; } .ntp-upload-area { padding: 2.5rem 1.25rem; }
    .ntp-preview-section, .ntp-settings-panel { padding: 1.25rem; }
    .ntp-file-info-bar { padding: 0.75rem 1.25rem; flex-wrap: wrap; gap: 0.5rem; }
    .ntp-file-info-left { flex-wrap: wrap; gap: 0.75rem; }
    .ntp-action-bar { flex-direction: column; padding: 1rem 1.25rem; }
    .ntp-btn { width: 100%; }
    .ntp-results-section { padding: 2rem 1.25rem; }
    .ntp-results-actions { flex-direction: column; }
    .ntp-results-actions .ntp-btn { width: 100%; }
    .ntp-mode-options { grid-template-columns: 1fr; }
    .ntp-preview-grid { grid-template-columns: repeat(3, 1fr); }
    .ntp-related-tools { flex-direction: column; align-items: flex-start; }
    .ntp-info-card { padding: 1.25rem; }
}
@media (max-width: 480px) {
    .ntp-title-row { flex-direction: column; gap: 0.75rem; }
    .ntp-preview-grid { grid-template-columns: repeat(2, 1fr); }
}

::selection { background: rgba(51,153,204,0.2); color: var(--ntp-text); }
[data-theme="dark"] ::selection { background: rgba(96,165,250,0.3); }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; } }