/* ============ 全局变量 ============ */
:root {
    --primary: #1F4E78;
    --primary-light: #2D6CA3;
    --primary-dark: #163a5c;
    --accent: #4FC3F7;
    --bg: #f5f7fa;
    --card-bg: #ffffff;
    --border: #e2e8f0;
    --text: #1a202c;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-lg: 0 4px 12px rgba(0,0,0,0.1);
    --radius: 10px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ============ Header ============ */
.header {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
}

.github-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    transition: color 0.2s;
}

.github-link:hover {
    color: var(--primary);
}

/* ============ Main ============ */
.main {
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* ============ Steps ============ */
.steps {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 4px;
}

.step {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-light);
    transition: color 0.3s;
}

.step.active {
    color: var(--primary);
}

.step-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--border);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 700;
    transition: all 0.3s;
}

.step.active .step-num {
    background: var(--primary);
    color: white;
}

.step-label {
    font-size: 14px;
    font-weight: 500;
}

.step-line {
    flex: 1;
    height: 2px;
    background: var(--border);
    border-radius: 1px;
}

/* ============ Card ============ */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
}

.card-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 16px;
}

.card-title svg {
    color: var(--primary);
}

.section-desc {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 12px;
}

/* ============ Upload Zone ============ */
.upload-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--bg);
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--primary);
    background: #ebf4fb;
}

.upload-icon {
    color: var(--text-light);
    margin-bottom: 12px;
}

.upload-zone:hover .upload-icon,
.upload-zone.dragover .upload-icon {
    color: var(--primary);
}

.upload-text {
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 4px;
}

.upload-hint {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ============ File List ============ */
.file-list {
    margin-top: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.file-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 13px;
}

.file-item-icon {
    color: var(--primary);
    flex-shrink: 0;
}

.file-item-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-item-size {
    color: var(--text-secondary);
    font-size: 12px;
    flex-shrink: 0;
}

.file-item-remove {
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: all 0.2s;
}

.file-item-remove:hover {
    color: var(--danger);
    background: #fee;
}

/* ============ Config Options ============ */
.config-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.config-option {
    cursor: pointer;
}

.config-option input[type="radio"] {
    display: none;
}

.config-card {
    padding: 14px 16px;
    border: 2px solid var(--border);
    border-radius: 8px;
    transition: all 0.2s;
}

.config-option input[type="radio"]:checked + .config-card {
    border-color: var(--primary);
    background: #ebf4fb;
}

.config-name {
    font-weight: 600;
    font-size: 14px;
    color: var(--text);
    margin-bottom: 4px;
}

.config-desc {
    font-size: 12px;
    color: var(--text-secondary);
}

/* ============ Custom Config ============ */
.custom-config-area {
    margin-top: 12px;
}

.custom-config-actions {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

#custom-config-text {
    width: 100%;
    min-height: 160px;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: "Cascadia Code", "Fira Code", "Consolas", monospace;
    font-size: 13px;
    resize: vertical;
    background: #fafbfc;
    color: var(--text);
    line-height: 1.5;
}

#custom-config-text:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(31, 78, 120, 0.1);
}

/* ============ Advanced Options ============ */
.advanced-options {
    margin-top: 12px;
}

.advanced-options summary {
    cursor: pointer;
    font-size: 13px;
    color: var(--text-secondary);
    padding: 8px 0;
    user-select: none;
}

.advanced-content {
    padding: 12px 0 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    accent-color: var(--primary);
}

/* ============ Buttons ============ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    font-family: inherit;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-light);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: white;
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-outline:hover:not(:disabled) {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 13px;
}

/* ============ Actions Bar ============ */
.actions-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.status-bar {
    flex: 1;
    font-size: 13px;
    color: var(--text-secondary);
    min-height: 20px;
}

/* ============ Progress ============ */
.progress-container {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
}

.progress-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.progress-bar-wrapper {
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--primary);
    border-radius: 3px;
    transition: width 0.3s;
    width: 0%;
}

.log-area {
    margin-top: 12px;
    max-height: 200px;
    overflow-y: auto;
    font-family: "Cascadia Code", "Consolas", monospace;
    font-size: 12px;
    color: var(--text-secondary);
    background: var(--bg);
    border-radius: 6px;
    padding: 12px;
    line-height: 1.6;
}

.log-area div {
    padding: 1px 0;
}

/* ============ Result ============ */
.result-card {
    overflow: hidden;
}

.result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 12px;
}

.result-header .card-title {
    margin-bottom: 0;
}

.result-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.result-count {
    font-size: 13px;
    color: var(--text-secondary);
    padding: 4px 12px;
    background: var(--bg);
    border-radius: 6px;
}

/* ============ Table ============ */
.table-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.table-toolbar {
    display: flex;
    gap: 12px;
    align-items: center;
}

.table-search {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 13px;
    font-family: inherit;
}

.table-search:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(31, 78, 120, 0.1);
}

.rows-select {
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 13px;
    background: white;
    cursor: pointer;
    font-family: inherit;
}

.table-scroll {
    overflow: auto;
    max-height: 600px;
    border: 1px solid var(--border);
    border-radius: 8px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    white-space: nowrap;
}

.data-table thead {
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--primary);
}

.data-table th {
    padding: 10px 14px;
    text-align: left;
    color: white;
    font-weight: 600;
    white-space: nowrap;
    border-right: 1px solid rgba(255,255,255,0.1);
}

.data-table th:last-child {
    border-right: none;
}

.data-table tbody tr {
    border-bottom: 1px solid var(--border);
    transition: background 0.1s;
}

.data-table tbody tr:nth-child(even) {
    background: var(--bg);
}

.data-table tbody tr:hover {
    background: #ebf4fb;
}

.data-table td {
    padding: 8px 14px;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 300px;
}

.data-table td.wrap {
    white-space: normal;
    word-break: break-all;
}

/* ============ Pagination ============ */
.pagination {
    display: flex;
    gap: 4px;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

.pagination button {
    min-width: 32px;
    height: 32px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: white;
    cursor: pointer;
    font-size: 13px;
    color: var(--text);
    transition: all 0.2s;
}

.pagination button:hover:not(:disabled) {
    border-color: var(--primary);
    color: var(--primary);
}

.pagination button.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.pagination button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.pagination .page-info {
    font-size: 13px;
    color: var(--text-secondary);
    padding: 0 8px;
}

/* ============ Dump Keys ============ */
.dump-keys-result {
    margin-bottom: 20px;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}

.dump-keys-result h3 {
    padding: 12px 16px;
    background: var(--bg);
    font-size: 14px;
    color: var(--text);
}

.keys-tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
}

.keys-tab {
    padding: 10px 20px;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

.keys-tab:hover {
    color: var(--primary);
}

.keys-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    font-weight: 600;
}

.keys-content {
    padding: 16px;
    max-height: 300px;
    overflow-y: auto;
}

.keys-content .key-group {
    margin-bottom: 12px;
}

.keys-content .key-group-title {
    font-weight: 600;
    font-size: 13px;
    color: var(--primary);
    margin-bottom: 4px;
}

.keys-content .key-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.keys-content .key-tag {
    padding: 3px 10px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 12px;
    font-family: "Cascadia Code", "Consolas", monospace;
    color: var(--text);
}

.keys-content .key-count {
    font-size: 12px;
    color: var(--text-secondary);
    margin-left: 4px;
}

/* ============ TXT Tool ============ */
.txt-actions {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.txt-log {
    margin-top: 12px;
    max-height: 200px;
    overflow-y: auto;
    font-family: "Cascadia Code", "Consolas", monospace;
    font-size: 12px;
    background: var(--bg);
    border-radius: 6px;
    padding: 12px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============ Footer ============ */
.footer {
    padding: 20px 24px;
    text-align: center;
    font-size: 12px;
    color: var(--text-light);
    border-top: 1px solid var(--border);
}

.footer a {
    color: var(--primary);
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

.footer-beian {
    margin-top: 6px;
    font-size: 12px;
}

/* ============ Responsive ============ */
@media (max-width: 768px) {
    .header-inner {
        padding: 10px 16px;
    }

    .logo {
        font-size: 15px;
    }

    .main {
        padding: 16px;
        gap: 16px;
    }

    .card {
        padding: 16px;
    }

    .step-label {
        display: none;
    }

    .data-table {
        font-size: 12px;
    }

    .data-table th,
    .data-table td {
        padding: 6px 10px;
    }
}