/* =============================================
   Dev Tools — Shared CSS (JSON Validator, JWT Decoder)
   ============================================= */

/* --- NAV BAR --- */
.nav-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 0;
}

.back-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition-fast);
}

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

nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10,10,10,0.85);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border-subtle);
    transition: var(--transition-base);
}

nav.scrolled .nav-bar {
    padding: 12px 0;
}

/* --- BG AMBIENT --- */
.bg-ambient {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: -2;
    pointer-events: none;
    background:
        radial-gradient(ellipse 80% 60% at 50% -10%, rgba(13,185,199,0.12) 0%, transparent 60%),
        radial-gradient(ellipse 50% 40% at 80% 60%, rgba(122,204,69,0.05) 0%, transparent 50%);
}

.bg-grid {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-image:
        linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 50% at 50% 30%, black, transparent);
    -webkit-mask-image: radial-gradient(ellipse 70% 50% at 50% 30%, black, transparent);
    z-index: -1;
    pointer-events: none;
}

/* --- LAYOUT --- */
.tool-wrapper {
    display: flex;
    flex-direction: column;
}

.tool-main {
    padding: 100px 0 40px;
}

.tool-header {
    text-align: center;
    margin-bottom: 32px;
}

.tool-header h1 {
    font-size: 2.4rem;
    font-weight: 900;
    letter-spacing: -0.02em;
    margin-bottom: 10px;
}

.tool-subtitle {
    color: var(--text-muted);
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* --- STATUS BAR --- */
.tool-status {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    transition: var(--transition-fast);
}

.tool-status.status-valid {
    border-color: rgba(122,204,69,0.3);
    background: rgba(122,204,69,0.06);
}

.tool-status.status-invalid {
    border-color: rgba(239,68,68,0.3);
    background: rgba(239,68,68,0.06);
}

.status-icon {
    font-size: 1rem;
}

/* --- TOOLBAR --- */
.tool-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.toolbar-left,
.toolbar-right {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.toolbar-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
    font-family: 'Montserrat', sans-serif;
    font-size: 0.78rem;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: var(--transition-fast);
}

.toolbar-btn:hover {
    color: var(--text-main);
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.toolbar-btn.active {
    color: var(--brand-cyan);
    border-color: var(--brand-cyan);
    background: rgba(13,185,199,0.08);
}

/* --- EDITOR AREA --- */
.tool-editor-area {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.editor-pane {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.editor-label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--brand-cyan);
    margin-bottom: 8px;
}

.code-editor {
    width: 100%;
    min-height: 400px;
    background: rgba(0,0,0,0.4);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    padding: 20px;
    resize: vertical;
    transition: var(--transition-fast);
}

.code-editor:focus {
    outline: none;
    border-color: var(--brand-cyan);
    box-shadow: 0 0 0 3px rgba(13,185,199,0.1);
}

.code-editor.output {
    background: rgba(0,0,0,0.25);
    color: var(--brand-green);
}

.code-editor::placeholder {
    color: var(--text-dim);
}

/* --- TREE VIEW --- */
.tool-tree-area {
    background: rgba(0,0,0,0.4);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 24px;
    min-height: 400px;
    margin-bottom: 16px;
    overflow-x: auto;
}

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

.tree-node {
    margin-left: 20px;
}

.tree-node:first-child {
    margin-left: 0;
}

.tree-toggle {
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 3px 0;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85rem;
}

.tree-toggle:hover {
    background: rgba(255,255,255,0.03);
    border-radius: 4px;
}

.tree-arrow {
    font-size: 0.65rem;
    color: var(--text-dim);
    width: 14px;
    text-align: center;
    transition: var(--transition-fast);
    user-select: none;
}

.tree-key {
    color: var(--brand-cyan);
    font-weight: 600;
}

.tree-colon {
    color: var(--text-dim);
}

.tree-bracket {
    color: var(--text-muted);
}

.tree-count {
    color: var(--text-dim);
    font-size: 0.75rem;
    margin-left: 4px;
}

.tree-children {
    border-left: 1px solid rgba(255,255,255,0.06);
    margin-left: 6px;
    padding-left: 14px;
}

.tree-closing {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.tree-leaf {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85rem;
    padding: 3px 0;
}

.tree-value {
    font-weight: 400;
}

.tree-type-string { color: #7ACC45; }
.tree-type-number { color: #f5a623; }
.tree-type-boolean { color: #e06c75; }
.tree-type-null { color: #888; font-style: italic; }

/* --- ERROR BOX --- */
.tool-error {
    background: rgba(239,68,68,0.08);
    border: 1px solid rgba(239,68,68,0.25);
    border-radius: var(--radius-sm);
    padding: 14px 20px;
    font-size: 0.85rem;
    color: #ef4444;
    font-family: 'Courier New', Courier, monospace;
    margin-bottom: 16px;
}

.tool-error strong {
    color: #f87171;
}

/* --- JWT SPECIFIC --- */
.jwt-input-area {
    margin-bottom: 16px;
}

.jwt-input {
    width: 100%;
    min-height: 120px;
    background: rgba(0,0,0,0.4);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    padding: 20px;
    resize: vertical;
    word-break: break-all;
    transition: var(--transition-fast);
}

.jwt-input:focus {
    outline: none;
    border-color: var(--brand-cyan);
    box-shadow: 0 0 0 3px rgba(13,185,199,0.1);
}

.jwt-input::placeholder {
    color: var(--text-dim);
}

.jwt-sections {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.jwt-section {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.jwt-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-subtle);
}

.jwt-section-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--brand-cyan);
}

.jwt-section-badge {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: var(--radius-pill);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.badge-header { background: rgba(13,185,199,0.12); color: var(--brand-cyan); }
.badge-payload { background: rgba(122,204,69,0.12); color: var(--brand-green); }

.jwt-section-body {
    padding: 16px 20px;
}

.jwt-section-body pre {
    margin: 0;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.82rem;
    line-height: 1.7;
    color: var(--text-main);
    white-space: pre-wrap;
    word-break: break-word;
}

/* JWT Claims table */
.jwt-claims {
    margin-bottom: 16px;
}

.jwt-claims-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--brand-cyan);
    margin-bottom: 12px;
}

.claims-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.claims-table th,
.claims-table td {
    padding: 12px 20px;
    text-align: left;
    font-size: 0.82rem;
    border-bottom: 1px solid var(--border-subtle);
}

.claims-table th {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.72rem;
    color: var(--text-muted);
    background: rgba(255,255,255,0.02);
}

.claims-table td {
    font-family: 'Courier New', Courier, monospace;
    color: var(--text-main);
}

.claims-table tr:last-child td {
    border-bottom: none;
}

.claims-table .claim-name {
    color: var(--brand-cyan);
    font-weight: 600;
}

.claims-table .claim-desc {
    font-family: 'Montserrat', sans-serif;
    color: var(--text-muted);
    font-size: 0.78rem;
}

/* JWT Expiration badge */
.jwt-exp-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.78rem;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: var(--radius-pill);
}

.exp-valid { background: rgba(122,204,69,0.12); color: var(--brand-green); }
.exp-expired { background: rgba(239,68,68,0.12); color: #ef4444; }

/* --- FOOTER --- */
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    padding: 60px 0 40px;
    border-top: 1px solid var(--border-subtle);
}

.footer-col h4 {
    margin-bottom: 16px;
    font-weight: 700;
    font-size: 1rem;
}

.footer-col a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 10px;
    transition: var(--transition-fast);
}

.footer-col a:hover {
    color: var(--brand-cyan);
}

.footer-brand-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 16px;
}

.footer-socials {
    display: flex;
    gap: 12px;
}

.footer-socials a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.footer-socials a:hover {
    background: rgba(13,185,199,0.15);
    color: var(--brand-cyan);
}

.copyright {
    text-align: center;
    padding: 24px 0;
    font-size: 0.8rem;
    color: var(--text-dim);
    border-top: 1px solid var(--border-subtle);
}

/* --- TOAST --- */
.toast {
    position: fixed;
    bottom: -60px;
    right: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-hover);
    color: var(--text-main);
    padding: 14px 28px;
    border-radius: var(--radius-pill);
    font-size: 0.85rem;
    font-weight: 600;
    z-index: 9999;
    transition: transform 0.3s ease, opacity 0.3s ease;
    opacity: 0;
    backdrop-filter: blur(12px);
}

.toast.show {
    transform: translateY(-80px);
    opacity: 1;
}

/* --- SEO CONTENT --- */
.seo-content {
    padding: 80px 0 40px;
    border-top: 1px solid var(--border-subtle);
}

.seo-block {
    max-width: 800px;
    margin: 0 auto 64px;
}

.seo-block:last-child { margin-bottom: 0; }

.seo-block h2 {
    font-size: 1.8rem;
    font-weight: 900;
    letter-spacing: -0.01em;
    margin-bottom: 20px;
    color: var(--text-main);
}

.seo-block p {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.7;
}

.seo-block strong { color: var(--brand-cyan); font-weight: 700; }

.seo-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 28px;
}

.seo-feature {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 28px 24px;
    transition: var(--transition-base);
}

.seo-feature:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
}

.seo-feature-icon { font-size: 1.8rem; display: block; margin-bottom: 12px; }

.seo-feature h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-main);
}

.seo-feature p { font-size: 0.9rem; line-height: 1.6; }

.seo-cta {
    text-align: center;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 48px 32px;
}

.seo-cta h2 { margin-bottom: 12px; }
.seo-cta p { margin-bottom: 28px; }

/* --- UUID GENERATOR --- */
.uuid-single-area {
    margin-bottom: 16px;
}

.uuid-display {
    display: flex;
    align-items: center;
    gap: 16px;
    background: rgba(0,0,0,0.4);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 20px 24px;
}

.uuid-value {
    flex: 1;
    font-family: 'Courier New', Courier, monospace;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--brand-green);
    letter-spacing: 0.02em;
    word-break: break-all;
    user-select: all;
}

.uuid-bulk-area {
    margin-top: 16px;
}

.toolbar-select {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
    font-family: 'Montserrat', sans-serif;
    font-size: 0.78rem;
    font-weight: 600;
    padding: 8px 14px;
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: var(--transition-fast);
    appearance: auto;
}

.toolbar-select:hover,
.toolbar-select:focus {
    color: var(--text-main);
    border-color: var(--border-hover);
    outline: none;
}

.toolbar-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-muted);
    display: flex;
    align-items: center;
}

.toolbar-input {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    color: var(--text-main);
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 8px 14px;
    border-radius: var(--radius-pill);
    width: 70px;
    text-align: center;
    transition: var(--transition-fast);
}

.toolbar-input:focus {
    outline: none;
    border-color: var(--brand-cyan);
}

/* --- BASE64 IMAGE --- */
.b64-img-dropzone {
    border: 2px dashed var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 48px 24px;
    text-align: center;
    transition: var(--transition-base);
    cursor: pointer;
    margin-bottom: 16px;
}

.b64-img-dropzone.dragover,
.b64-img-dropzone:hover {
    border-color: var(--brand-cyan);
    background: rgba(13,185,199,0.04);
}

.b64-img-dropzone-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin: 8px 0 4px;
}

.b64-img-dropzone-content p strong {
    color: var(--text-main);
}

.b64-img-dropzone-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 8px;
}

.b64-img-dropzone-hint {
    font-size: 0.78rem !important;
    color: var(--text-dim) !important;
}

.b64-img-preview {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: 16px;
}

.b64-img-preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    border-bottom: 1px solid var(--border-subtle);
}

.b64-img-info {
    font-size: 0.75rem;
    color: var(--text-dim);
    font-family: 'Courier New', Courier, monospace;
}

.b64-img-preview-body {
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: repeating-conic-gradient(rgba(255,255,255,0.03) 0% 25%, transparent 0% 50%) 0 0 / 20px 20px;
    min-height: 120px;
    max-height: 400px;
    overflow: hidden;
}

.b64-img-preview-body img {
    max-width: 100%;
    max-height: 360px;
    object-fit: contain;
    border-radius: 4px;
}

.b64-img-output {
    margin-bottom: 16px;
}

/* --- PASSWORD GENERATOR --- */
.pwd-display-area {
    margin-bottom: 24px;
}

.pwd-display {
    display: flex;
    align-items: center;
    gap: 16px;
    background: rgba(0,0,0,0.4);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 20px 24px;
    margin-bottom: 12px;
}

.pwd-value {
    flex: 1;
    font-family: 'Courier New', Courier, monospace;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--brand-green);
    letter-spacing: 0.04em;
    word-break: break-all;
    user-select: all;
}

.pwd-strength-bar {
    height: 6px;
    background: rgba(255,255,255,0.06);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 8px;
}

.pwd-strength-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.4s ease, background 0.4s ease;
    width: 0%;
}

.pwd-strength-fill.str-very-weak { background: #ef4444; }
.pwd-strength-fill.str-weak { background: #f97316; }
.pwd-strength-fill.str-fair { background: #eab308; }
.pwd-strength-fill.str-strong { background: var(--brand-green); }
.pwd-strength-fill.str-very-strong { background: linear-gradient(90deg, var(--brand-green), var(--brand-cyan)); }

.pwd-strength-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-muted);
}

.pwd-controls {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 28px 24px;
    margin-bottom: 16px;
}

.pwd-control-row {
    margin-bottom: 20px;
}

.pwd-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.pwd-label strong {
    color: var(--brand-cyan);
}

.pwd-slider {
    width: 100%;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: rgba(255,255,255,0.1);
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}

.pwd-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--brand-cyan);
    cursor: pointer;
    border: 2px solid var(--bg-dark);
    box-shadow: 0 0 8px var(--glow-cyan);
}

.pwd-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--brand-cyan);
    cursor: pointer;
    border: 2px solid var(--bg-dark);
}

.pwd-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.pwd-option {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-fast);
}

.pwd-option:hover {
    color: var(--text-main);
}

.pwd-option input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--brand-cyan);
    cursor: pointer;
}

.pwd-bulk-area {
    margin-top: 16px;
}

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .tool-main { padding: 90px 0 32px; }

    .tool-header h1 { font-size: 1.8rem; }

    .tool-editor-area { flex-direction: column; }

    .code-editor { min-height: 250px; }

    .tool-toolbar { flex-direction: column; gap: 8px; }

    .toolbar-left, .toolbar-right { justify-content: center; flex-wrap: wrap; }

    .jwt-sections { grid-template-columns: 1fr; }

    .seo-features { grid-template-columns: repeat(2, 1fr); }

    .footer-grid { grid-template-columns: 1fr; gap: 32px; }

    .uuid-display { flex-direction: column; gap: 12px; text-align: center; }

    .uuid-value { font-size: 0.95rem; }

    .pwd-display { flex-direction: column; gap: 12px; text-align: center; }

    .pwd-value { font-size: 1rem; }

    .pwd-options { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }

    .seo-features { grid-template-columns: 1fr; }

    .claims-table th, .claims-table td { padding: 10px 12px; font-size: 0.75rem; }
}