/* ========================================
   Tools Page - GEO 小工具频道
   ======================================== */

.tools-page {
    max-width: 80rem;
}

.tools-page h1,
.tools-page h2,
.tools-page h3,
.tools-page p,
.tools-page label,
.tools-page button,
.tools-page input,
.tools-page select,
.tools-page textarea {
    letter-spacing: 0 !important;
}

.tools-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 1.5rem;
    align-items: end;
    margin-bottom: 1.5rem;
}

.tools-eyebrow {
    margin: 0;
    color: #2563eb;
    font-size: 0.72rem;
    font-weight: 900;
    letter-spacing: 0.12em !important;
    text-transform: uppercase;
}

.tools-hero h1 {
    margin: 0.55rem 0 0;
    color: #0f172a;
    font-family: Manrope, Inter, sans-serif;
    font-size: clamp(2rem, 3.4vw, 3.35rem);
    font-weight: 900;
    line-height: 1.08;
}

.tools-hero-copy {
    max-width: 42rem;
    margin: 0.85rem 0 0;
    color: #64748b;
    font-size: 0.98rem;
    line-height: 1.8;
}

.tools-hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    min-width: 23rem;
    overflow: hidden;
    border: 1px solid #e6eef9;
    border-radius: 1rem;
    background: #ffffff;
    box-shadow: 0 18px 48px rgba(15, 23, 42, 0.045);
}

.tools-hero-metrics div {
    padding: 1rem;
    border-right: 1px solid #eef4fb;
}

.tools-hero-metrics div:last-child {
    border-right: 0;
}

.tools-hero-metrics strong {
    display: block;
    color: #0f172a;
    font-size: 1.45rem;
    font-weight: 900;
    line-height: 1;
}

.tools-hero-metrics span {
    display: block;
    margin-top: 0.4rem;
    color: #94a3b8;
    font-size: 0.76rem;
    font-weight: 800;
}

.tools-direct-status {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    min-height: 2.55rem;
    border: 1px solid #e6eef9;
    border-radius: 0.95rem;
    background: #ffffff;
    padding: 0.7rem 0.9rem;
    color: #64748b;
    font-size: 0.82rem;
    font-weight: 750;
    line-height: 1.55;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.035);
}

.tools-direct-status::before {
    content: "";
    flex: 0 0 auto;
    width: 0.55rem;
    height: 0.55rem;
    margin-right: 0.55rem;
    border-radius: 999px;
    background: #94a3b8;
}

.tools-direct-status.is-active {
    border-color: #bfdbfe;
    background: #eff6ff;
    color: #1d4ed8;
}

.tools-direct-status.is-active::before {
    background: #2563eb;
}

.tools-direct-status.is-success {
    border-color: #bbf7d0;
    background: #f0fdf4;
    color: #15803d;
}

.tools-direct-status.is-success::before {
    background: #22c55e;
}

.tools-direct-status.is-warn {
    border-color: #fed7aa;
    background: #fff7ed;
    color: #c2410c;
}

.tools-direct-status.is-warn::before {
    background: #f97316;
}

.tools-direct-status.is-error {
    border-color: #fecaca;
    background: #fef2f2;
    color: #b91c1c;
}

.tools-direct-status.is-error::before {
    background: #ef4444;
}

.tools-layout {
    display: grid;
    grid-template-columns: 18rem minmax(0, 1fr);
    gap: 1.1rem;
    align-items: start;
}

.tools-sidebar,
.tools-workspace,
.tools-panel {
    min-width: 0;
}

.tools-sidebar {
    display: grid;
    gap: 0.75rem;
    position: sticky;
    top: 5.5rem;
}

.tools-card {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 0.85rem;
    align-items: center;
    min-height: 5.25rem;
    border: 1px solid #e6eef9;
    border-radius: 1rem;
    background: #ffffff;
    padding: 1rem;
    color: #334155;
    text-align: left;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.035);
    cursor: pointer;
    transition: border-color 0.18s ease, background-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.tools-card:hover {
    border-color: #bfdbfe;
    background: #f8fbff;
    transform: translateY(-1px);
}

.tools-card.is-active {
    border-color: rgba(37, 99, 235, 0.4);
    background: #eff6ff;
    box-shadow: 0 16px 40px rgba(37, 99, 235, 0.1);
}

.tools-card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.35rem;
    height: 2.35rem;
    border-radius: 0.85rem;
    background: #f1f5f9;
    color: #2563eb;
    font-size: 0.72rem;
    font-weight: 950;
    letter-spacing: 0 !important;
    line-height: 1;
    white-space: nowrap;
}

.tools-card.is-active > .tools-card-icon {
    background: #2563eb;
    color: #ffffff;
}

.tools-card strong,
.tools-card small {
    display: block;
}

.tools-card strong {
    color: #0f172a;
    font-size: 0.94rem;
    font-weight: 900;
    line-height: 1.35;
}

.tools-card small {
    margin-top: 0.25rem;
    color: #94a3b8;
    font-size: 0.75rem;
    font-weight: 700;
    line-height: 1.45;
}

.tools-workspace {
    border: 1px solid #e6eef9;
    border-radius: 1.25rem;
    background: #ffffff;
    box-shadow: 0 22px 70px rgba(15, 23, 42, 0.055);
    overflow: hidden;
}

.tools-panel {
    display: none;
    padding: 1.35rem;
}

.tools-panel.is-active {
    display: block;
}

.tools-panel-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid #eef4fb;
}

.tools-panel-header h2 {
    margin: 0.45rem 0 0;
    color: #0f172a;
    font-family: Manrope, Inter, sans-serif;
    font-size: 1.35rem;
    font-weight: 900;
    line-height: 1.2;
}

.tools-panel-header p:not(.tools-eyebrow) {
    max-width: 38rem;
    margin: 0.5rem 0 0;
    color: #64748b;
    font-size: 0.9rem;
    line-height: 1.7;
}

.tools-action {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    min-height: 2.75rem;
    padding: 0.75rem 1rem;
    border-radius: 0.85rem;
    font-size: 0.84rem;
    font-weight: 850;
}

.tools-action .material-symbols-outlined,
.tools-copy .material-symbols-outlined {
    width: 1rem;
    overflow: hidden;
    font-family: 'Material Symbols Outlined';
    font-size: 1rem;
    line-height: 1;
    white-space: nowrap;
}

.tools-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.95rem;
    margin-top: 1.25rem;
}

.tools-ai-shell {
    display: grid;
    gap: 0.85rem;
    margin-top: 1.25rem;
}

.tools-ai-field textarea {
    min-height: 8.5rem;
    border-color: #cfe0f6;
    background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
    font-size: 0.95rem !important;
    line-height: 1.75;
}

.tools-ai-field textarea:focus {
    background: #ffffff;
}

.tools-compact-upload {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 1rem;
    align-items: center;
    border: 1px dashed #dbeafe;
    border-radius: 1rem;
    background: #f8fbff;
    padding: 0.85rem 1rem;
}

.tools-compact-upload strong,
.tools-compact-upload small {
    display: block;
}

.tools-compact-upload strong {
    color: #0f172a;
    font-size: 0.82rem;
    font-weight: 900;
}

.tools-compact-upload small {
    margin-top: 0.25rem;
    color: #64748b;
    font-size: 0.74rem;
    font-weight: 700;
    line-height: 1.55;
}

.tools-compact-upload input[type="file"] {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
}

.tools-field {
    display: grid;
    gap: 0.45rem;
}

.tools-field > span {
    color: #334155;
    font-size: 0.8rem;
    font-weight: 850;
}

.tools-helper {
    margin: 0;
    color: #64748b;
    font-size: 0.76rem;
    font-weight: 700;
    line-height: 1.6;
}

.tools-helper.is-error {
    color: #dc2626;
}

.tools-helper.is-success {
    color: #16a34a;
}

.tools-field input,
.tools-field select,
.tools-field textarea {
    width: 100%;
    border: 1px solid #dfe8f4;
    border-radius: 0.85rem;
    background: #ffffff;
    color: #0f172a;
    font-size: 0.92rem !important;
    line-height: 1.6;
    padding: 0.78rem 0.95rem;
    transition: border-color 0.16s ease, box-shadow 0.16s ease, background-color 0.16s ease;
}

.tools-field input {
    min-height: 2.9rem;
}

.tools-field select {
    min-height: 2.9rem;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    padding-right: 2.5rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%2364758b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.9rem center;
    background-size: 0.9rem;
    font-weight: 700;
}

.tools-field textarea {
    min-height: 5.75rem;
    resize: vertical;
}

.tools-field input::placeholder,
.tools-field textarea::placeholder,
.tools-output::placeholder {
    color: #94a3b8;
}

.tools-field input:focus,
.tools-field select:focus,
.tools-field textarea:focus,
.tools-output:focus {
    border-color: rgba(37, 99, 235, 0.55);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.08);
}

.tools-upload-box {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 1rem;
    align-items: center;
    min-height: 5.5rem;
    border: 1px dashed #cfe0f6;
    border-radius: 1rem;
    background: #f8fbff;
    padding: 1rem;
}

.tools-upload-box strong,
.tools-upload-box small {
    display: block;
}

.tools-upload-box strong {
    color: #0f172a;
    font-size: 0.9rem;
    font-weight: 900;
}

.tools-upload-box small {
    margin-top: 0.3rem;
    color: #64748b;
    font-size: 0.76rem;
    font-weight: 700;
    line-height: 1.6;
}

.tools-upload-box input[type="file"] {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
}

.tools-file-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    min-height: 2.65rem;
    border: 1px solid #dbeafe;
    border-radius: 0.85rem;
    background: #ffffff;
    color: #2563eb;
    padding: 0.65rem 0.9rem;
    font-size: 0.82rem;
    font-weight: 850;
    cursor: pointer;
    transition: border-color 0.16s ease, box-shadow 0.16s ease, background-color 0.16s ease;
}

.tools-file-button:hover {
    border-color: #bfdbfe;
    background: #eff6ff;
    box-shadow: 0 10px 26px rgba(37, 99, 235, 0.08);
}

.tools-file-button .material-symbols-outlined {
    width: 1rem;
    overflow: hidden;
    font-family: 'Material Symbols Outlined';
    font-size: 1rem;
    line-height: 1;
    white-space: nowrap;
}

.tools-source-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.6rem;
}

.tools-source-list:empty {
    display: none;
}

.tools-source-item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.75rem;
    align-items: center;
    border: 1px solid #e6eef9;
    border-radius: 0.85rem;
    background: #ffffff;
    padding: 0.65rem 0.75rem;
}

.tools-source-item strong,
.tools-source-item small {
    display: block;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tools-source-item strong {
    color: #0f172a;
    font-size: 0.8rem;
    font-weight: 850;
}

.tools-source-item small {
    margin-top: 0.18rem;
    color: #94a3b8;
    font-size: 0.7rem;
    font-weight: 750;
}

.tools-source-badge {
    border-radius: 999px;
    background: #eff6ff;
    color: #2563eb;
    padding: 0.22rem 0.5rem;
    font-size: 0.66rem;
    font-weight: 900;
}

.tools-output-block {
    margin-top: 1.25rem;
    border: 1px solid #e6eef9;
    border-radius: 1rem;
    overflow: hidden;
    background: #f8fbff;
}

.tools-output-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem 1rem;
    border-bottom: 1px solid #e6eef9;
    background: #ffffff;
}

.tools-output-header h3 {
    margin: 0;
    color: #0f172a;
    font-size: 0.9rem;
    font-weight: 900;
}

.tools-output-header p {
    margin: 0.25rem 0 0;
    color: #94a3b8;
    font-size: 0.73rem;
    font-weight: 700;
    line-height: 1.55;
}

.tools-output-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.5rem;
}

.tools-loading {
    display: grid;
    grid-template-columns: auto auto auto minmax(0, 1fr);
    gap: 0.4rem;
    align-items: center;
    border-bottom: 1px solid #e6eef9;
    background: linear-gradient(90deg, #eff6ff 0%, #ffffff 100%);
    color: #1d4ed8;
    padding: 0.85rem 1rem;
    font-size: 0.78rem;
    font-weight: 850;
}

.tools-loading.hidden {
    display: none;
}

.tools-loading span {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 999px;
    background: #2563eb;
    animation: tools-loading-pulse 0.9s ease-in-out infinite;
}

.tools-loading span:nth-child(2) {
    animation-delay: 0.12s;
}

.tools-loading span:nth-child(3) {
    animation-delay: 0.24s;
}

@keyframes tools-loading-pulse {
    0%,
    100% {
        opacity: 0.28;
        transform: translateY(0);
    }

    50% {
        opacity: 1;
        transform: translateY(-2px);
    }
}

.tools-copy {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    min-height: 2rem;
    border: 1px solid #dbeafe;
    border-radius: 0.7rem;
    background: #ffffff;
    color: #2563eb;
    padding: 0.35rem 0.65rem;
    font-size: 0.76rem;
    font-weight: 850;
}

.tools-copy .material-symbols-outlined {
    font-size: 1rem;
}

.tools-copy:disabled {
    cursor: not-allowed;
    opacity: 0.48;
}

.tools-output {
    width: 100%;
    min-height: 17rem;
    border: 0;
    border-radius: 0;
    background: #f8fbff;
    color: #0f172a;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 0.82rem !important;
    line-height: 1.7;
    padding: 1rem;
    resize: vertical;
}

.tools-kb-output-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.9fr);
    min-height: 28rem;
}

.tools-kb-editor {
    min-height: 28rem;
    border-right: 1px solid #e6eef9;
}

.tools-kb-preview {
    min-height: 28rem;
    max-height: 42rem;
    overflow: auto;
    background: #ffffff;
    color: #334155;
    padding: 1rem;
    font-size: 0.86rem;
    line-height: 1.8;
}

.tools-kb-preview h1,
.tools-kb-preview h2,
.tools-kb-preview h3 {
    color: #0f172a;
    font-family: Manrope, Inter, sans-serif;
    font-weight: 900;
    line-height: 1.3;
}

.tools-kb-preview h1 {
    margin: 0 0 1rem;
    font-size: 1.35rem;
}

.tools-kb-preview h2 {
    margin: 1.2rem 0 0.55rem;
    padding-top: 1rem;
    border-top: 1px solid #eef4fb;
    font-size: 1rem;
}

.tools-kb-preview h3 {
    margin: 0.9rem 0 0.35rem;
    font-size: 0.9rem;
}

.tools-kb-preview p,
.tools-kb-preview ul,
.tools-kb-preview ol {
    margin: 0.55rem 0;
}

.tools-kb-preview ul,
.tools-kb-preview ol {
    padding-left: 1.25rem;
}

.tools-kb-preview li {
    margin: 0.25rem 0;
}

.tools-kb-preview code {
    border-radius: 0.35rem;
    background: #f1f5f9;
    color: #2563eb;
    padding: 0.1rem 0.3rem;
    font-size: 0.78rem;
}

.tools-score-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 18rem;
    gap: 1.25rem;
    align-items: start;
}

.tools-check-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
}

.tools-check-grid label {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 3rem;
    border: 1px solid #e2e8f0;
    border-radius: 0.9rem;
    background: #ffffff;
    padding: 0.75rem 0.9rem 0.75rem 2.7rem;
    color: #475569;
    font-size: 0.82rem;
    font-weight: 800;
    cursor: pointer;
}

.tools-check-grid input {
    position: absolute;
    left: 0.9rem;
    top: 50%;
    width: 1rem;
    height: 1rem;
    transform: translateY(-50%);
    accent-color: #2563eb;
}

.tools-score-result {
    position: sticky;
    top: 5.5rem;
    border: 1px solid #dbeafe;
    border-radius: 1.1rem;
    background: linear-gradient(180deg, #eff6ff 0%, #ffffff 82%);
    padding: 1.2rem;
}

.tools-score-meter {
    display: flex;
    align-items: baseline;
    gap: 0.3rem;
    margin-top: 0.6rem;
}

.tools-score-meter strong {
    color: #0f172a;
    font-size: 3.2rem;
    font-weight: 950;
    line-height: 1;
}

.tools-score-meter span {
    color: #64748b;
    font-size: 0.95rem;
    font-weight: 850;
}

.tools-score-bar {
    height: 0.58rem;
    margin-top: 0.9rem;
    overflow: hidden;
    border-radius: 999px;
    background: #dbeafe;
}

.tools-score-bar span {
    display: block;
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #2563eb 0%, #16a34a 100%);
    transition: width 0.25s ease;
}

.tools-score-level {
    margin: 0.8rem 0 0;
    color: #1d4ed8;
    font-size: 0.86rem;
    font-weight: 900;
}

.tools-advice-list {
    display: grid;
    gap: 0.55rem;
    margin: 1rem 0 0;
    padding: 0;
    list-style: none;
}

.tools-advice-list li {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 0.45rem;
    color: #475569;
    font-size: 0.78rem;
    line-height: 1.55;
}

.tools-advice-list li::before {
    content: 'check_circle';
    color: #2563eb;
    font-family: 'Material Symbols Outlined';
    font-size: 1rem;
    font-variation-settings: 'FILL' 1, 'wght' 700, 'GRAD' 0, 'opsz' 20;
    line-height: 1.25rem;
}

@media (max-width: 1100px) {
    .tools-hero,
    .tools-layout,
    .tools-score-grid,
    .tools-kb-output-grid {
        grid-template-columns: 1fr;
    }

    .tools-hero-metrics {
        min-width: 0;
    }

    .tools-sidebar,
    .tools-score-result {
        position: static;
    }

    .tools-sidebar {
        grid-template-columns: repeat(auto-fit, minmax(13.5rem, 1fr));
    }

    .tools-kb-editor {
        border-right: 0;
        border-bottom: 1px solid #e6eef9;
    }
}

@media (max-width: 767px) {
    .tools-page {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .tools-hero-metrics,
    .tools-sidebar,
    .tools-form-grid,
    .tools-check-grid,
    .tools-upload-box,
    .tools-compact-upload,
    .tools-source-list {
        grid-template-columns: 1fr;
    }

    .tools-panel,
    .tools-panel-header {
        padding: 1rem;
    }

    .tools-panel-header {
        flex-direction: column;
    }

    .tools-action {
        width: 100%;
    }

    .tools-output-header,
    .tools-output-actions,
    .tools-file-button {
        width: 100%;
    }

    .tools-output-header {
        align-items: stretch;
        flex-direction: column;
    }

    .tools-output-actions {
        justify-content: stretch;
    }

    .tools-copy {
        justify-content: center;
    }
}