/* PDF 全能工具箱 - AeroCore 主题子页面样式 */
/* Author: 文字行走 | Website: http://www.dc6i.cn */

.pdf-toolbox-wrap {
    --radius-lg: 28px;
    --radius-md: 16px;
    --radius-sm: 12px;
    --shadow-card: 0 4px 24px rgba(0,0,0,0.06), 0 1px 4px rgba(0,0,0,0.04);
    --shadow-hover: 0 12px 48px rgba(0,0,0,0.12), 0 4px 16px rgba(0,0,0,0.08);
    font-family: 'Inter', 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
    position: relative;
    min-height: 100vh;
}

.pdf-toolbox-wrap .hero-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    background: radial-gradient(ellipse at 20% 50%, rgba(14,165,233,0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 20%, rgba(245,158,11,0.06) 0%, transparent 50%),
                linear-gradient(180deg, #f8fafc 0%, #f1f5f9 50%, #f8fafc 100%);
    pointer-events: none;
}

.pdf-toolbox-wrap .nav-glass {
    background: rgba(255,255,255,0.72);
    backdrop-filter: blur(20px) saturate(1.8);
    -webkit-backdrop-filter: blur(20px) saturate(1.8);
    border-bottom: 1px solid rgba(255,255,255,0.6);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
}

.pdf-toolbox-wrap .tool-card {
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.8);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.pdf-toolbox-wrap .tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--card-accent, #0ea5e9), var(--card-accent2, #38bdf8));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.pdf-toolbox-wrap .tool-card:hover {
    transform: translateY(-6px) scale(1.01);
    box-shadow: var(--shadow-hover), 0 0 40px rgba(14,165,233,0.15);
}

.pdf-toolbox-wrap .tool-card:hover::before { opacity: 1; }

.pdf-toolbox-wrap .tool-card .icon-wrap {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.pdf-toolbox-wrap .tool-card:hover .icon-wrap { transform: scale(1.1) rotate(-3deg); }

.pdf-toolbox-wrap .page-section {
    display: none;
    opacity: 0;
    transform: translateY(30px) scale(0.98);
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: none;
}

.pdf-toolbox-wrap .page-section.active {
    display: block;
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.pdf-toolbox-wrap .page-section.exiting {
    opacity: 0;
    transform: translateY(-20px) scale(0.98);
}

.pdf-toolbox-wrap .btn-primary:disabled,
.pdf-toolbox-wrap .btn-secondary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.pdf-toolbox-wrap .upload-zone.uploading {
    border-color: #0ea5e9;
    background: linear-gradient(135deg, rgba(14,165,233,0.08), rgba(248,250,252,0.95));
    pointer-events: none;
}

.pdf-toolbox-wrap .empty-state {
    text-align: center;
    padding: 40px;
    color: #94a3b8;
}

.pdf-toolbox-wrap .keyboard-hint {
    position: fixed;
    bottom: 80px;
    right: 20px;
    background: rgba(15,23,42,0.8);
    color: white;
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 12px;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
    z-index: 100;
}

.pdf-toolbox-wrap .keyboard-hint.show { opacity: 1; }

.pdf-toolbox-wrap .drop-hint {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(14,165,233,0.1);
    border-radius: var(--radius-lg);
    opacity: 0;
    transition: opacity 0.2s;
    pointer-events: none;
    font-weight: 600;
    color: #0ea5e9;
}

.pdf-toolbox-wrap .upload-zone.dragover .drop-hint { opacity: 1; }

.pdf-toolbox-wrap .progress-ring { width: 48px; height: 48px; }

.pdf-toolbox-wrap .progress-ring circle { fill: none; stroke: #e2e8f0; stroke-width: 4; }

.pdf-toolbox-wrap .progress-ring .progress-ring-fill {
    stroke: #0ea5e9;
    stroke-dasharray: 126;
    stroke-dashoffset: 126;
    transition: stroke-dashoffset 0.3s;
    transform: rotate(-90deg);
    transform-origin: 50% 50%;
}

.pdf-toolbox-wrap .modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.pdf-toolbox-wrap .modal-overlay.active { opacity: 1; pointer-events: auto; }

.pdf-toolbox-wrap .modal-content {
    background: white;
    border-radius: var(--radius-lg);
    padding: 32px;
    max-width: 480px;
    width: 90%;
    transform: scale(0.9);
    transition: transform 0.3s;
}

.pdf-toolbox-wrap .modal-overlay.active .modal-content { transform: scale(1); }

.pdf-toolbox-wrap .upload-zone {
    border: 2px dashed #cbd5e1;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(255,255,255,0.9), rgba(248,250,252,0.9));
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.pdf-toolbox-wrap .upload-zone:hover {
    border-color: #94a3b8;
    background: linear-gradient(135deg, rgba(148,163,184,0.05), rgba(248,250,252,0.95));
}

.pdf-toolbox-wrap .upload-zone.dragover {
    border-color: #0ea5e9;
    background: linear-gradient(135deg, rgba(14,165,233,0.08), rgba(248,250,252,0.95));
    box-shadow: 0 0 40px rgba(14,165,233,0.15);
    transform: scale(1.01);
}

.pdf-toolbox-wrap .upload-zone.dragover .upload-icon { transform: scale(1.1) translateY(-4px); }

.pdf-toolbox-wrap .upload-zone .upload-icon { transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1); }

.pdf-toolbox-wrap .upload-zone.has-files {
    border-style: solid;
    border-color: #10b981;
    background: linear-gradient(135deg, rgba(16,185,129,0.05), rgba(248,250,252,0.95));
}

.pdf-toolbox-wrap .upload-zone.has-files .upload-icon { transform: scale(1.05); }

.pdf-toolbox-wrap .btn-primary {
    background: linear-gradient(135deg, #0ea5e9, #0284c7);
    color: white;
    border-radius: var(--radius-md);
    padding: 12px 28px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(14,165,233,0.3);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
}

.pdf-toolbox-wrap .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(14,165,233,0.4);
}

.pdf-toolbox-wrap .btn-secondary {
    background: white;
    color: #475569;
    border: 1.5px solid #e2e8f0;
    border-radius: var(--radius-md);
    padding: 12px 28px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.pdf-toolbox-wrap .btn-secondary:hover {
    border-color: #0ea5e9;
    color: #0ea5e9;
    background: rgba(14,165,233,0.04);
}

.pdf-toolbox-wrap .file-item {
    background: rgba(255,255,255,0.9);
    border: 1px solid rgba(226,232,240,0.8);
    border-radius: var(--radius-md);
    padding: 14px 18px;
    display: flex;
    align-items: center;
    gap: 14px;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    animation: pdfSlideIn 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes pdfSlideIn {
    from { opacity: 0; transform: translateX(-16px) scale(0.98); }
    to { opacity: 1; transform: translateX(0) scale(1); }
}

.pdf-toolbox-wrap .file-item:hover {
    border-color: #0ea5e9;
    box-shadow: 0 4px 16px rgba(14,165,233,0.1);
    transform: translateX(4px);
}

.pdf-toolbox-wrap .file-item.removing {
    animation: pdfSlideOut 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes pdfSlideOut {
    to { opacity: 0; transform: translateX(20px) scale(0.95); height: 0; padding: 0; margin: 0; }
}

.pdf-toolbox-wrap .file-item .drag-handle {
    cursor: grab;
    opacity: 0.4;
    transition: opacity 0.2s;
}

.pdf-toolbox-wrap .file-item:hover .drag-handle { opacity: 0.7; }

.pdf-toolbox-wrap .file-item .drag-handle:active { cursor: grabbing; }

.pdf-toolbox-wrap .result-card {
    background: linear-gradient(135deg, rgba(255,255,255,0.95), rgba(248,250,252,0.95));
    border: 1px solid rgba(226,232,240,0.6);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-card);
}

.pdf-toolbox-wrap .input-field {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid #e2e8f0;
    border-radius: var(--radius-md);
    background: white;
    font-family: inherit;
    font-size: 15px;
    transition: all 0.2s ease;
    outline: none;
}

.pdf-toolbox-wrap .input-field:focus {
    border-color: #0ea5e9;
    box-shadow: 0 0 0 3px rgba(14,165,233,0.1);
}

.pdf-toolbox-wrap .tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
}

.pdf-toolbox-wrap .page-title {
    font-weight: 700;
    background: linear-gradient(135deg, #0f172a, #334155);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pdf-toolbox-wrap .back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(255,255,255,0.8);
    border: 1px solid rgba(226,232,240,0.8);
    border-radius: var(--radius-md);
    color: #64748b;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.pdf-toolbox-wrap .back-btn:hover {
    background: white;
    color: #0ea5e9;
    border-color: #0ea5e9;
}

.pdf-toolbox-wrap .loader {
    width: 40px;
    height: 40px;
    border: 3px solid #e2e8f0;
    border-top-color: #0ea5e9;
    border-radius: 50%;
    animation: pdfSpin 0.8s linear infinite;
}

@keyframes pdfSpin { to { transform: rotate(360deg); } }

.pdf-toolbox-wrap .success-check {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #10b981, #059669);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 32px;
    animation: pdfScaleIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes pdfScaleIn {
    0% { transform: scale(0); opacity: 0; }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; }
}

.pdf-toolbox-wrap .toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px) scale(0.9);
    background: rgba(15, 23, 42, 0.95);
    color: white;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    z-index: 1000;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
    max-width: 90vw;
    text-align: center;
}

.pdf-toolbox-wrap .toast.show {
    transform: translateX(-50%) translateY(0) scale(1);
    opacity: 1;
}

.pdf-toolbox-wrap .toast.toast-success { background: rgba(16, 185, 129, 0.95); }
.pdf-toolbox-wrap .toast.toast-error { background: rgba(239, 68, 68, 0.95); }
.pdf-toolbox-wrap .toast.toast-info { background: rgba(14, 165, 233, 0.95); }

.pdf-toolbox-wrap .password-input { position: relative; }

.pdf-toolbox-wrap .password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: #94a3b8;
}

.pdf-toolbox-wrap .page-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 16px;
}

.pdf-toolbox-wrap .page-thumb {
    aspect-ratio: 3/4;
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.pdf-toolbox-wrap .page-thumb:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.pdf-toolbox-wrap .page-thumb.selected {
    border-color: #0ea5e9;
    background: rgba(14,165,233,0.05);
    box-shadow: 0 0 0 3px rgba(14,165,233,0.15), 0 8px 24px rgba(14,165,233,0.1);
}

.pdf-toolbox-wrap .page-thumb.selected::after {
    content: '\2713';
    position: absolute;
    top: 6px;
    right: 6px;
    width: 22px;
    height: 22px;
    background: #0ea5e9;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
    animation: pdfScaleIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.pdf-toolbox-wrap .page-thumb .page-num {
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 12px;
    background: rgba(255,255,255,0.95);
    padding: 3px 10px;
    border-radius: 10px;
    font-weight: 500;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

.pdf-toolbox-wrap .page-thumb img { transition: transform 0.3s ease; }

.pdf-toolbox-wrap .page-thumb:hover img { transform: scale(1.05); }

.pdf-toolbox-wrap .progress-bar {
    height: 6px;
    background: #e2e8f0;
    border-radius: 3px;
    overflow: hidden;
    position: relative;
}

.pdf-toolbox-wrap .progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #0ea5e9, #38bdf8);
    border-radius: 3px;
    transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.pdf-toolbox-wrap .progress-bar-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: pdfShimmer 1.5s infinite;
}

@keyframes pdfShimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.pdf-toolbox-wrap .empty-state-animated { animation: pdfFloat 3s ease-in-out infinite; }

@keyframes pdfFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.pdf-toolbox-wrap .shortcut-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    background: rgba(148,163,184,0.15);
    border-radius: 6px;
    font-size: 12px;
    color: #64748b;
    font-family: monospace;
    margin-left: 8px;
}

.pdf-toolbox-wrap .file-counter {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    background: #0ea5e9;
    color: white;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 600;
}

.pdf-toolbox-wrap .sortable-item { cursor: grab; user-select: none; }

.pdf-toolbox-wrap .sortable-item.dragging {
    opacity: 0.5;
    background: #f0f9ff;
    border: 2px dashed #0ea5e9;
}

.pdf-toolbox-wrap .sortable-item.drag-over {
    border-color: #0ea5e9;
    box-shadow: 0 0 20px rgba(14,165,233,0.2);
    transform: translateY(-2px);
}

.pdf-toolbox-wrap .thumb-item {
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    padding: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: grab;
    transition: all 0.2s ease;
    user-select: none;
    width: 120px;
}

.pdf-toolbox-wrap .thumb-item:hover { border-color: #0ea5e9; }

.pdf-toolbox-wrap .thumb-item.dragging {
    opacity: 0.4;
    border: 2px dashed #0ea5e9;
    transform: scale(0.95);
}

.pdf-toolbox-wrap .thumb-item.drag-over {
    border-color: #0ea5e9;
    background: #f0f9ff;
    transform: scale(1.05);
}

.pdf-toolbox-wrap .thumb-item img {
    width: 100px;
    height: auto;
    border-radius: 6px;
    pointer-events: none;
}

/* 响应式 */
@media (max-width: 768px) {
    .pdf-toolbox-wrap .page-grid { grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); gap: 12px; }
    .pdf-toolbox-wrap .tool-card { padding: 20px !important; }
    .pdf-toolbox-wrap .tool-card .icon-wrap { width: 44px; height: 44px; font-size: 20px; }
    .pdf-toolbox-wrap .page-title { font-size: 2rem !important; }
    .pdf-toolbox-wrap .upload-zone { padding: 24px 16px !important; }
    .pdf-toolbox-wrap .file-item { padding: 10px 14px; gap: 10px; }
    .pdf-toolbox-wrap .keyboard-hint { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    .pdf-toolbox-wrap * { animation: none !important; transition: none !important; }
}