/* ========================================
   IP Trace Tool v2 - Unified Tools Stylesheet
   All tool UI components, form elements, 
   buttons, panels and interactive elements
   ======================================== */

/* ===== Tool Page Layout ===== */
.tool-page {
    max-width: var(--size-container);
    margin: 0 auto;
}

.tool-header {
    margin-bottom: var(--space-xl);
}

.tool-header h1 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.tool-header p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
}

.tool-panel {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-card);
    margin-bottom: var(--space-md);
}

.tool-panel-title {
    font-weight: 600;
    font-size: var(--font-size-base);
    margin-bottom: var(--space-md);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

/* ===== Form Elements ===== */
.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    font-weight: 500;
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-xs);
    color: var(--color-text-secondary);
}

textarea, input[type="text"], input[type="number"], input[type="password"], select {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background: var(--bg-input);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    outline: none;
}

textarea:focus, input[type="text"]:focus, input[type="number"]:focus, select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(9, 105, 218, 0.15);
}

textarea {
    resize: vertical;
    min-height: 120px;
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

textarea.code-area {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    min-height: 200px;
    tab-size: 2;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 8px 18px;
    font-size: var(--font-size-base);
    font-weight: 500;
    font-family: var(--font-family);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

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

.btn-secondary {
    background: rgba(255,255,255,0.8);
    color: var(--color-text);
}

.btn-secondary:hover {
    background: #fff;
    border-color: rgba(0,0,0,0.15);
}

.btn-success {
    background: var(--color-success);
    color: #fff;
    border-color: var(--color-success);
}

.btn-sm {
    padding: 4px 12px;
    font-size: var(--font-size-sm);
}

.btn-group {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    margin: var(--space-md) 0;
}

/* ===== Output & Display ===== */
.output-area {
    background: rgba(0,0,0,0.03);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--space-md);
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    word-break: break-all;
    min-height: 40px;
    position: relative;
}

.output-area .copy-btn {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    padding: 2px 8px;
    font-size: 11px;
    background: rgba(255,255,255,0.9);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    cursor: pointer;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.output-area:hover .copy-btn {
    opacity: 1;
}

/* ===== Tabs ===== */
.tab-bar {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-md);
}

.tab-btn {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border: none;
    background: none;
    cursor: pointer;
    color: var(--color-text-secondary);
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
    font-family: var(--font-family);
}

.tab-btn:hover { color: var(--color-text); }

.tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

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

/* ===== Stats Row ===== */
.stats-row {
    display: flex;
    gap: var(--space-lg);
    flex-wrap: wrap;
    padding: var(--space-md);
    background: rgba(0,0,0,0.02);
    border-radius: var(--radius-sm);
    margin-top: var(--space-md);
}

.stat-item { text-align: center; }

.stat-value {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* ===== Split Layout ===== */
.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

/* ===== Options & Controls ===== */
.options-row {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: var(--space-md);
}

.options-row .form-group {
    margin-bottom: 0;
    flex: 1;
    min-width: 120px;
}

.checkbox-group {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-weight: 400;
    font-size: var(--font-size-sm);
    cursor: pointer;
}

/* ===== Alerts ===== */
.alert {
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-md);
}

.alert-error {
    background: #ffebe9;
    color: var(--color-error);
    border: 1px solid rgba(207,34,46,0.2);
}

.alert-success {
    background: #dafbe1;
    color: var(--color-success);
    border: 1px solid rgba(26,127,55,0.2);
}

/* ===== Color Picker ===== */
.color-swatch {
    display: inline-block;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    border: 2px solid var(--color-border);
    vertical-align: middle;
    cursor: pointer;
    position: relative;
}

.color-preview {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-top: var(--space-sm);
    margin-bottom: var(--space-md);
}

.color-preview-text {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
}

.color-picker-trigger {
    position: absolute;
    top: calc(100% + 5px);
    left: 0;
    width: 1px;
    height: 1px;
    padding: 0;
    border: none;
    opacity: 0.01;
}

/* ===== Result Cell (min-height for output boxes) ===== */
.result-cell {
    min-height: 36px;
}

/* ===== Tags & Badges ===== */
.tag {
    display: inline-block;
    padding: 2px 10px;
    font-size: 11px;
    font-weight: 500;
    border-radius: 10px;
    background: var(--color-primary-light);
    color: var(--color-primary);
}

/* ===== Range Slider ===== */
input[type="range"] {
    width: 100%;
    accent-color: var(--color-primary);
}

.range-value {
    font-weight: 600;
    color: var(--color-primary);
}

/* ===== Misc ===== */
.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-md);
    transition: color var(--transition-fast);
}

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

.toast {
    position: fixed;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-text);
    color: #fff;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    z-index: var(--z-toast, 1000);
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}

.toast.show { opacity: 1; }

/* ===== Markdown Preview ===== */
.md-editor {
    min-height: 500px;
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    resize: vertical;
}

.md-preview {
    min-height: 500px;
    max-height: 500px;
    padding: var(--space-lg);
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    overflow-y: auto;
    line-height: 1.7;
    font-size: var(--font-size-base);
    color: var(--color-text);
}

.md-html-output {
    min-height: 200px;
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.6;
}

.md-preview h1 { font-size: 28px; font-weight: 700; margin: 0 0 16px; padding-bottom: 8px; border-bottom: 1px solid var(--color-border); }
.md-preview h2 { font-size: 22px; font-weight: 700; margin: 24px 0 12px; padding-bottom: 6px; border-bottom: 1px solid var(--color-border); }
.md-preview h3 { font-size: 18px; font-weight: 600; margin: 20px 0 8px; }
.md-preview h4 { font-size: 16px; font-weight: 600; margin: 16px 0 6px; }
.md-preview h5, .md-preview h6 { font-size: 14px; font-weight: 600; margin: 12px 0 4px; }

.md-preview p { margin: 0 0 12px; }
.md-preview ul, .md-preview ol { margin: 0 0 12px; padding-left: 24px; }
.md-preview li { margin-bottom: 4px; }
.md-preview li > ul, .md-preview li > ol { margin-bottom: 0; }

.md-preview blockquote {
    margin: 0 0 12px;
    padding: 8px 16px;
    border-left: 4px solid var(--color-primary);
    background: var(--color-primary-light);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--color-text-secondary);
}

.md-preview code {
    font-family: var(--font-mono);
    font-size: 13px;
    background: rgba(0,0,0,0.06);
    padding: 2px 6px;
    border-radius: 3px;
    color: #d63384;
}

.md-preview pre {
    margin: 0;
    background: #1e1e1e;
    border-radius: var(--radius-sm);
    overflow-x: auto;
}

.md-preview .code-block-wrap {
    position: relative;
    margin: 0 0 16px;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.md-preview .code-block-wrap pre {
    margin: 0;
    border-radius: 0;
}

.md-preview .code-lang-badge {
    position: absolute;
    top: 0;
    right: 0;
    font-size: 11px;
    font-family: var(--font-mono);
    font-weight: 500;
    color: rgba(255,255,255,0.5);
    background: rgba(255,255,255,0.08);
    padding: 2px 10px;
    border-radius: 0 var(--radius-sm) 0 4px;
    line-height: 1.6;
    pointer-events: none;
    user-select: none;
}

.md-preview pre code {
    display: block;
    padding: 14px 16px;
    font-size: 13px;
    line-height: 1.5;
    color: #d4d4d4;
    background: none;
    white-space: pre;
}

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

.md-preview a:hover {
    text-decoration: underline;
}

.md-preview img {
    max-width: 100%;
    border-radius: var(--radius-sm);
    margin: 8px 0;
}

.md-preview hr {
    border: none;
    border-top: 2px solid var(--color-border);
    margin: 20px 0;
}

.md-preview table {
    border-collapse: collapse;
    width: 100%;
    margin: 0 0 12px;
}

.md-preview th, .md-preview td {
    border: 1px solid var(--color-border);
    padding: 8px 12px;
    text-align: left;
}

.md-preview th {
    background: rgba(0,0,0,0.03);
    font-weight: 600;
}

/* ===== Responsive ===== */
@media (max-width: 1200px) {
    .tool-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .split-layout { grid-template-columns: 1fr; }
    .tool-grid { grid-template-columns: repeat(2, 1fr); }
    .page-header h1 { font-size: var(--font-size-2xl); }
    /* Stopwatch mobile */
    #swDisplay { font-size: 48px !important; }
    #swDisplayMs { font-size: 18px !important; }
    /* CSS Formatter mobile */
    .css-formatter-layout {
        grid-template-columns: 1fr !important;
    }
    .css-formatter-layout > div:nth-child(2) {
        display: flex;
        flex-direction: row !important;
        justify-content: center;
        gap: var(--space-sm);
        padding: var(--space-sm) 0 !important;
        flex-wrap: wrap;
    }
    .css-formatter-layout textarea {
        min-height: 200px !important;
    }
}

@media (max-width: 480px) {
    .tool-grid { grid-template-columns: 1fr; }
    /* Stopwatch small mobile */
    #swDisplay { font-size: 36px !important; }
    #swDisplayMs { font-size: 16px !important; }
}