/* ==============================================
   WebTools - Tool-Specific Styles
   ============================================== */

/* --- Shared Tool Components --- */
.tool-header {
    margin-bottom: 24px;
}

.tool-header p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* --- Tabs --- */
.tab-nav {
    display: flex;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 4px;
    margin-bottom: 20px;
    overflow-x: auto;
}

.tab-btn {
    flex: 1;
    padding: 10px 16px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s;
    white-space: nowrap;
}

.tab-btn:hover { color: var(--text); background: var(--surface-2); }
.tab-btn.active { color: var(--cyan); background: var(--cyan-dim); }

.tab-content { display: none; }
.tab-content.active { display: block; }

/* --- Result Display --- */
.result-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-top: 16px;
    position: relative;
    overflow: hidden;
}

.result-box::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--cyan), transparent);
    opacity: 0.4;
}

.result-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.result-value {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--text-bright);
    word-break: break-all;
}

/* --- Network Check --- */
.info-grid {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 8px;
    font-size: 0.85rem;
}

.info-grid dt {
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

.info-grid dd {
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    word-break: break-all;
}

.port-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 8px;
    margin-top: 12px;
}

.port-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--surface-2);
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.port-item .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.port-item .dot.open { background: var(--green); box-shadow: 0 0 6px var(--green); }
.port-item .dot.closed { background: var(--red); }

.dns-records {
    margin-top: 12px;
}

.dns-record {
    padding: 8px 12px;
    background: var(--surface-2);
    border-radius: 6px;
    margin-bottom: 6px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    display: flex;
    gap: 12px;
}

.dns-type {
    color: var(--cyan);
    font-weight: 600;
    min-width: 50px;
}

/* --- Image Editor --- */
.canvas-wrapper {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    text-align: center;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.canvas-wrapper canvas {
    max-width: 100%;
    max-height: 500px;
    cursor: crosshair;
}

.canvas-placeholder {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.image-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 16px 0;
}

.upload-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: 16px;
}

.upload-zone:hover,
.upload-zone.drag-over {
    border-color: var(--cyan);
    background: var(--cyan-dim);
    color: var(--cyan);
}

.upload-zone input { display: none; }

.upload-zone .icon { font-size: 2rem; margin-bottom: 8px; }
.upload-zone .text { font-size: 0.85rem; }

/* --- Color Picker --- */
.color-display {
    width: 100%;
    height: 120px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    margin-bottom: 16px;
    transition: background 0.2s;
}

.color-codes {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 10px;
    margin-bottom: 16px;
}

.color-code-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: border-color 0.2s;
}

.color-code-item:hover { border-color: var(--cyan); }

.color-code-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.color-code-value {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-bright);
}

.palette-row {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.palette-swatch {
    flex: 1;
    height: 48px;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s;
    border: 1px solid var(--border);
}

.palette-swatch:hover { transform: scale(1.05); }

/* --- AI Detect --- */
.detect-result {
    text-align: center;
    padding: 24px;
}

.detect-score {
    font-family: var(--font-mono);
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 8px;
}

.detect-label {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 600;
}

.detect-bar {
    width: 100%;
    height: 8px;
    background: var(--surface-2);
    border-radius: 4px;
    overflow: hidden;
    margin: 16px 0;
}

.detect-bar-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.6s ease;
}

.exif-grid {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 6px;
    font-size: 0.8rem;
    margin-top: 16px;
}

.exif-grid dt { color: var(--text-muted); font-family: var(--font-mono); font-size: 0.7rem; }
.exif-grid dd { color: var(--text); word-break: break-all; }

/* --- Loading Spinner --- */
.spinner {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 3px solid var(--border);
    border-top-color: var(--cyan);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

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

.loading-overlay {
    position: absolute;
    inset: 0;
    background: rgba(7, 8, 12, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 12px;
    border-radius: var(--radius);
    z-index: 10;
}

.loading-text {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--cyan);
}

/* --- Responsive: Tools --- */
@media (max-width: 768px) {
    /* Tabs: horizontal scroll on narrow screens */
    .tab-nav {
        gap: 2px;
        padding: 3px;
    }

    .tab-btn {
        padding: 8px 10px;
        font-size: 0.7rem;
        min-width: 0;
        flex: 0 0 auto;
    }

    /* Network info grid: stack vertically */
    .info-grid {
        grid-template-columns: 1fr;
        gap: 4px;
    }

    .info-grid dt {
        margin-top: 8px;
        color: var(--cyan);
    }

    .info-grid dd {
        padding-left: 8px;
    }

    /* Port grid: 2 columns */
    .port-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 6px;
    }

    .port-item {
        padding: 6px 8px;
        font-size: 0.7rem;
    }

    /* DNS records */
    .dns-record {
        flex-direction: column;
        gap: 4px;
        padding: 8px 10px;
    }

    /* Canvas / Image editor */
    .canvas-wrapper {
        padding: 8px;
        min-height: 200px;
    }

    .canvas-wrapper canvas {
        max-height: 300px;
    }

    .image-controls {
        flex-direction: column;
    }

    .image-controls .btn {
        width: 100%;
    }

    /* Upload zone */
    .upload-zone {
        padding: 20px 12px;
    }

    .upload-zone .icon { font-size: 1.5rem; }
    .upload-zone .text { font-size: 0.75rem; }

    /* Color display */
    .color-display {
        height: 80px;
    }

    .color-codes {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    /* Palette */
    .palette-row {
        flex-wrap: wrap;
    }

    .palette-swatch {
        flex: 1 1 calc(33% - 8px);
        min-width: 40px;
        height: 40px;
    }

    /* AI detect */
    .detect-score {
        font-size: 2rem;
    }

    .exif-grid {
        grid-template-columns: 1fr;
        gap: 4px;
    }

    .exif-grid dt {
        margin-top: 6px;
        color: var(--cyan);
    }

    /* Result box */
    .result-box {
        padding: 14px;
    }

    .result-value {
        font-size: 0.85rem;
    }

    /* Tool input rows (inline flex patterns) */
    .panel [style*="display:flex"][style*="gap:8px"] {
        flex-direction: column;
    }

    .panel [style*="display:flex"][style*="gap:8px"] .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .port-grid {
        grid-template-columns: 1fr;
    }

    .palette-swatch {
        flex: 1 1 calc(50% - 8px);
    }

    .tab-btn {
        font-size: 0.65rem;
        padding: 6px 8px;
    }
}