/* Developer tools — JSON, JWT, Base64, and converters */
.tools-page {
    font-family: 'Inter', sans-serif;
    background-color: var(--page-bg, #fafbfc);
    background-image: radial-gradient(circle, color-mix(in srgb, var(--muted, #94a3b8) 28%, transparent) 1px, transparent 1px);
    background-size: 20px 20px;
    color: var(--page-fg, #1e293b);
    line-height: 1.5;
    min-height: 100vh;
}

.tools-hero {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.5rem 1.5rem 0;
    text-align: center;
}

.tools-hero-badge {
    display: inline-block;
    background: color-mix(in srgb, var(--primary) 14%, transparent);
    color: var(--primary);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.35rem 0.85rem;
    border-radius: 50px;
    margin-bottom: 0.75rem;
}

.tools-hero h1 {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tools-hero p {
    color: var(--muted);
    max-width: 640px;
    margin: 0 auto 0.75rem;
    font-size: 0.95rem;
}

.tools-privacy {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    color: #16a34a;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.tools-hero-compact {
    padding-bottom: 0.75rem;
}

/* Hub layout — sidebar + main */
.tools-hub {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem 2rem;
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 1.25rem;
    align-items: start;
}

.tools-sidebar-wrap {
    position: sticky;
    top: 82px;
    background: #1e293b;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 12px;
    padding: 0.75rem;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
    color: #f8fafc;
}

.tools-sidebar-search {
    margin-bottom: 0.75rem;
    min-width: 0;
    position: relative;
}

.tools-search-wrap {
    position: relative;
}

.tools-sidebar-search i,
.tools-search-wrap i {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    pointer-events: none;
}

.tools-sidebar-search input {
    width: 100%;
    padding: 0.55rem 0.75rem 0.55rem 2.25rem;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 8px;
    font-size: 0.85rem;
    background: #0f172a;
    color: #f8fafc;
    -webkit-text-fill-color: #f8fafc;
}

.tools-sidebar-search input::placeholder {
    color: #94a3b8;
    -webkit-text-fill-color: #94a3b8;
}

.tools-nav-group {
    margin-bottom: 0.85rem;
}

.tools-nav-cat {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #cbd5e1;
    -webkit-text-fill-color: #cbd5e1;
    padding: 0.4rem 0.5rem 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.tools-nav-item {
    display: block;
    width: 100%;
    text-align: left;
    padding: 0.5rem 0.65rem;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: #f8fafc;
    -webkit-text-fill-color: #f8fafc;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.35;
    cursor: pointer;
    text-decoration: none;
    appearance: none;
    -webkit-appearance: none;
    opacity: 1;
}

.tools-nav-item:hover {
    background: #334155;
    color: #7dd3fc;
    -webkit-text-fill-color: #7dd3fc;
}

.tools-nav-item.active {
    background: #0ea5e9;
    color: #082f49;
    -webkit-text-fill-color: #082f49;
}

.tools-main .tools-cmd-panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem;
}

.tools-main .tools-cmd-panel .prompt-grid {
    max-width: none;
    margin: 0;
    padding: 0;
}

.tools-main .tools-cmd-panel .prompt-search-row {
    margin-bottom: 0.75rem;
}

.tools-nav-external {
    display: none;
}

.tools-main {
    min-width: 0;
}

.tools-panel-head {
    margin-bottom: 1rem;
}

.tools-panel-head h2 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
}

.tools-panel-head p {
    color: var(--muted);
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

.tools-panel {
    display: none;
}

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

.tools-form-row {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.tools-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.tools-md-preview {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--page-fg);
    border-radius: 10px;
    padding: 1rem;
    min-height: 220px;
    font-size: 0.95rem;
    line-height: 1.6;
}

.tools-md-preview pre {
    background: #0f172a;
    color: #e2e8f0;
    padding: 0.75rem;
    border-radius: 8px;
    overflow: auto;
}

.http-status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 0.75rem;
}

.http-status-card {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.85rem 1rem;
    background: var(--surface-2);
    color: var(--page-fg);
}

.http-status-card .http-code {
    display: inline-block;
    background: var(--primary);
    color: white;
    font-weight: 700;
    font-size: 0.85rem;
    padding: 0.15rem 0.5rem;
    border-radius: 6px;
    margin-bottom: 0.35rem;
}

.http-status-card strong {
    display: block;
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}

.http-status-card p {
    font-size: 0.8rem;
    color: var(--muted);
    margin: 0;
    line-height: 1.4;
}

.tools-cheat-strip {
    max-width: 1280px;
    margin: 0 auto 1.25rem;
    padding: 0 1rem;
}

.tools-cheat-title {
    font-size: 1.1rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 0.25rem;
}

.tools-cheat-sub {
    text-align: center;
    font-size: 0.85rem;
    color: var(--muted);
    margin-bottom: 1rem;
}

.tools-cheat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
}

.tools-cheat-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.35rem;
    padding: 1.1rem 0.75rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    text-decoration: none;
    color: var(--page-fg);
    transition: all 0.2s ease;
}

.tools-cheat-card:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 12px color-mix(in srgb, var(--primary) 18%, transparent);
    transform: translateY(-2px);
}

.tools-cheat-card i {
    font-size: 1.5rem;
    color: var(--primary);
}

.tools-cheat-card strong {
    font-size: 0.95rem;
}

.tools-cheat-card span {
    font-size: 0.75rem;
    color: var(--muted);
}

.tools-related {
    grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 1024px) {
    .tools-hub {
        grid-template-columns: 1fr;
    }
    .tools-sidebar-wrap {
        position: static;
        max-height: none;
    }
    .tools-cheat-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .tools-related {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 640px) {
    .tools-cheat-grid,
    .tools-related {
        grid-template-columns: 1fr;
    }
    .tools-form-grid {
        grid-template-columns: 1fr;
    }
}

.tools-tabs {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.tools-tab {
    padding: 0.5rem 0.9rem;
    border: 1px solid var(--border);
    border-radius: 50px;
    background: var(--surface);
    color: var(--muted);
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.tools-tab.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--page-bg);
}

.tools-panel {
    display: none;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem 2.5rem;
}

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

.tools-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.06);
    color: var(--page-fg);
}

.tools-blurb {
    background: color-mix(in srgb, var(--primary) 12%, var(--surface));
    border: 1px solid color-mix(in srgb, var(--primary) 35%, var(--border));
    border-radius: 10px;
    padding: 0.85rem 1rem;
    margin-bottom: 1rem;
}

.tools-blurb strong {
    display: block;
    font-size: 0.92rem;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.tools-blurb p {
    font-size: 0.85rem;
    color: var(--page-fg);
    margin: 0;
}

.tools-blurb code {
    font-size: 0.8rem;
    background: var(--surface);
    padding: 0.05rem 0.35rem;
    border-radius: 4px;
    color: var(--primary);
}

.tools-example {
    font-size: 0.8rem;
    color: var(--muted);
    background: var(--surface-2);
    border-radius: 8px;
    padding: 0.65rem 0.8rem;
    margin: 0 0 0.85rem;
    line-height: 1.45;
}

.tools-example code {
    font-size: 0.78rem;
    background: var(--surface);
    padding: 0.05rem 0.35rem;
    border-radius: 4px;
    color: var(--primary);
}

.tools-label {
    display: block;
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 0.4rem;
}

.tools-hint {
    font-size: 0.8rem;
    color: var(--muted);
    margin-bottom: 0.6rem;
}

.tools-flags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.1rem;
    font-size: 0.85rem;
    margin: 0.5rem 0 0.75rem;
}

.tools-flags label {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    cursor: pointer;
}

.tools-diff-line {
    font-family: ui-monospace, Menlo, monospace;
    font-size: 0.8rem;
    padding: 0.15rem 0.5rem;
    white-space: pre-wrap;
    word-break: break-word;
}

.tools-diff-line.add { background: #dcfce7; color: #166534; }
.tools-diff-line.del { background: #fee2e2; color: #991b1b; }
.tools-diff-line.same { color: #475569; }

.tools-regex-out {
    background: var(--surface-2);
    border: 1px solid var(--border);
    color: var(--page-fg);
    border-radius: 10px;
    padding: 0.85rem 1rem;
    min-height: 80px;
    font-size: 0.9rem;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-word;
}

.tools-regex-out mark {
    background: #fde68a;
    padding: 0 0.1em;
    border-radius: 3px;
}

.tools-textarea,
.tools-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-family: ui-monospace, 'Cascadia Code', 'SF Mono', Menlo, monospace;
    font-size: 0.85rem;
    background: var(--surface-2);
    color: var(--page-fg);
    resize: vertical;
}

.tools-textarea:focus,
.tools-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 20%, transparent);
    background: var(--surface);
}

.tools-textarea {
    min-height: 180px;
    line-height: 1.55;
}

.tools-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0.85rem 0;
}

.tools-btn {
    padding: 0.5rem 0.95rem;
    border: none;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    background: var(--primary);
    color: #fff;
}

.tools-btn:hover {
    background: var(--primary-dark);
}

.tools-btn.secondary {
    background: var(--surface);
    color: var(--page-fg);
    border: 1px solid var(--border);
}

.tools-btn.demo {
    background: #f0fdf4;
    color: #15803d;
    border: 1px solid #bbf7d0;
}

.tools-btn.demo:hover {
    background: #dcfce7;
    border-color: #86efac;
    color: #166534;
}

.tools-status {
    font-size: 0.85rem;
    font-weight: 600;
    min-height: 1.25rem;
    margin-bottom: 0.5rem;
}

.tools-status.ok { color: #16a34a; }
.tools-status.err { color: #dc2626; }

.tools-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.tools-jwt-block {
    margin-top: 1rem;
}

.tools-jwt-block h3 {
    font-size: 0.85rem;
    margin-bottom: 0.4rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.tools-pre {
    background: #0f172a;
    color: #e2e8f0;
    border-radius: 10px;
    padding: 1rem;
    overflow: auto;
    font-size: 0.8rem;
    line-height: 1.5;
    min-height: 80px;
    white-space: pre-wrap;
    word-break: break-word;
}

.tools-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.25rem;
    font-size: 0.85rem;
    color: var(--page-fg);
    margin: 0.75rem 0;
}

.tools-meta strong {
    color: var(--primary);
}

.tools-related {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem 3rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.tools-related a {
    display: block;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.1rem 1.2rem;
    text-decoration: none;
    color: var(--page-fg);
}

.tools-related a:hover {
    border-color: var(--primary);
}

.tools-related h3 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.tools-related p {
    font-size: 0.85rem;
    color: var(--muted);
}

.tools-toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: #1e293b;
    color: white;
    padding: 0.75rem 1.25rem;
    border-radius: 50px;
    font-size: 0.9rem;
    z-index: 2000;
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
}

.tools-toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

@media (max-width: 768px) {
    .tools-split,
    .tools-related {
        grid-template-columns: 1fr;
    }
}

/* Sidebar contrast per appearance — explicit fill so Safari buttons stay readable */
html[data-theme="light"] .tools-sidebar-wrap {
    background: #ffffff;
    border-color: #cbd5e1;
    color: #0f172a;
}
html[data-theme="light"] .tools-nav-cat { color: #475569; -webkit-text-fill-color: #475569; }
html[data-theme="light"] .tools-nav-item { color: #0f172a; -webkit-text-fill-color: #0f172a; }
html[data-theme="light"] .tools-nav-item:hover { background: #e2e8f0; color: #0369a1; -webkit-text-fill-color: #0369a1; }
html[data-theme="light"] .tools-nav-item.active { background: #2563eb; color: #ffffff; -webkit-text-fill-color: #ffffff; }
html[data-theme="light"] .tools-sidebar-search input {
    background: #f1f5f9; color: #0f172a; -webkit-text-fill-color: #0f172a; border-color: #cbd5e1;
}
html[data-theme="light"] .tools-sidebar-search i { color: #64748b; }

html[data-theme="sepia"] .tools-sidebar-wrap {
    background: #faf3e4;
    border-color: #d6c4a3;
    color: #3f2e1f;
}
html[data-theme="sepia"] .tools-nav-cat { color: #7c6a4f; -webkit-text-fill-color: #7c6a4f; }
html[data-theme="sepia"] .tools-nav-item { color: #3f2e1f; -webkit-text-fill-color: #3f2e1f; }
html[data-theme="sepia"] .tools-nav-item:hover { background: #efe4cc; color: #9a3412; -webkit-text-fill-color: #9a3412; }
html[data-theme="sepia"] .tools-nav-item.active { background: #9a3412; color: #fff7ed; -webkit-text-fill-color: #fff7ed; }
html[data-theme="sepia"] .tools-sidebar-search input {
    background: #efe4cc; color: #3f2e1f; -webkit-text-fill-color: #3f2e1f; border-color: #d6c4a3;
}
html[data-theme="sepia"] .tools-sidebar-search i { color: #7c6a4f; }

html[data-theme="midnight"] .tools-sidebar-wrap {
    background: #18181b;
    border-color: rgba(255,255,255,0.12);
    color: #fafafa;
}
html[data-theme="midnight"] .tools-nav-item:hover { background: #27272a; color: #c4b5fd; -webkit-text-fill-color: #c4b5fd; }
html[data-theme="midnight"] .tools-nav-item.active { background: #a78bfa; color: #1e1b4b; -webkit-text-fill-color: #1e1b4b; }

html[data-theme="ocean"] .tools-sidebar-wrap {
    background: #0a3d4a;
    border-color: rgba(34, 211, 238, 0.28);
    color: #ecfeff;
}
html[data-theme="ocean"] .tools-nav-cat { color: #99f6e4; -webkit-text-fill-color: #99f6e4; }
html[data-theme="ocean"] .tools-nav-item { color: #ecfeff; -webkit-text-fill-color: #ecfeff; }
html[data-theme="ocean"] .tools-nav-item:hover { background: #0e4d5c; color: #67e8f9; -webkit-text-fill-color: #67e8f9; }
html[data-theme="ocean"] .tools-nav-item.active { background: #22d3ee; color: #083344; -webkit-text-fill-color: #083344; }
html[data-theme="ocean"] .tools-sidebar-search input {
    background: #042f3a; color: #ecfeff; -webkit-text-fill-color: #ecfeff; border-color: rgba(34, 211, 238, 0.28);
}

html[data-theme="forest"] .tools-sidebar-wrap {
    background: #14532d;
    border-color: rgba(74, 222, 128, 0.3);
    color: #ecfdf5;
}
html[data-theme="forest"] .tools-nav-cat { color: #86efac; -webkit-text-fill-color: #86efac; }
html[data-theme="forest"] .tools-nav-item { color: #ecfdf5; -webkit-text-fill-color: #ecfdf5; }
html[data-theme="forest"] .tools-nav-item:hover { background: #166534; color: #bbf7d0; -webkit-text-fill-color: #bbf7d0; }
html[data-theme="forest"] .tools-nav-item.active { background: #4ade80; color: #052e16; -webkit-text-fill-color: #052e16; }
html[data-theme="forest"] .tools-sidebar-search input {
    background: #052e16; color: #ecfdf5; -webkit-text-fill-color: #ecfdf5; border-color: rgba(74, 222, 128, 0.3);
}

/* Unix Timestamp converter */
.ts-page {
    background: var(--surface, #fff);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem 1.75rem 2rem;
}

.ts-hero-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1.5rem;
    padding-bottom: 1.75rem;
    margin-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.ts-hero-title {
    font-size: 1.35rem;
    font-weight: 700;
    margin: 0;
    color: var(--page-fg);
}

.ts-live {
    text-align: right;
    min-width: 220px;
}

.ts-live-num {
    font-size: clamp(1.75rem, 4vw, 2.6rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    font-variant-numeric: tabular-nums;
}

.ts-live-sub {
    margin-top: 0.35rem;
    font-size: 0.7rem;
    letter-spacing: 0.04em;
    color: var(--muted);
    font-weight: 600;
}

.ts-live-clock {
    margin-top: 0.15rem;
    font-size: 0.95rem;
    color: var(--page-fg);
}

.ts-copy-btn {
    margin-top: 0.5rem;
    padding: 0.2rem 0.7rem;
    font-size: 0.8rem;
    font-family: inherit;
    background: var(--surface);
    color: var(--page-fg);
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
}

.ts-copy-btn:hover { background: var(--surface-2); }

.ts-block {
    padding: 1.5rem 0 0.5rem;
}

.ts-label {
    display: block;
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.ts-input {
    width: 100%;
    max-width: 420px;
    padding: 0.55rem 0.75rem;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    font-size: 0.95rem;
    font-family: inherit;
    background: #fff;
    color: #0f172a;
}

.ts-help {
    margin: 0.4rem 0 0.85rem;
    font-size: 0.85rem;
    color: var(--muted);
}

.ts-convert {
    display: inline-flex;
    align-items: center;
    padding: 0.45rem 1.15rem;
    border: none;
    border-radius: 6px;
    background: #2563eb;
    color: #fff;
    font-weight: 600;
    font-size: 0.9rem;
    font-family: inherit;
    cursor: pointer;
}

.ts-convert:hover { background: #1d4ed8; }

.ts-table {
    width: 100%;
    max-width: 720px;
    margin-top: 1rem;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.ts-table th,
.ts-table td {
    border: 1px solid #e2e8f0;
    padding: 0.55rem 0.75rem;
    text-align: left;
    vertical-align: top;
}

.ts-table th {
    width: 160px;
    font-weight: 600;
    background: #f8fafc;
    color: #0f172a;
}

.ts-dt-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 0.65rem;
    max-width: 720px;
    margin-bottom: 0.9rem;
}

.ts-dt-grid label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.ts-dt-grid .ts-input {
    max-width: none;
}

@media (max-width: 800px) {
    .ts-hero-row { flex-direction: column; }
    .ts-live { text-align: left; }
    .ts-dt-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 520px) {
    .ts-dt-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}