/* ============================================================
   Devtools — layout
   Narrow centered column. Plain row-list. No cards.
   ============================================================ */

/* ============================================================
   Page shell
   ============================================================ */

.page {
    flex: 1 0 auto;
    width: 100%;
    max-width: 720px;
    margin: 0 auto;
    padding: var(--space-7) var(--space-5) var(--space-9);
}

/* ============================================================
   Top bar (minimal inline header)
   ============================================================ */

.top-bar {
    width: 100%;
    max-width: 720px;
    margin: 0 auto;
    padding: var(--space-5) var(--space-5) 0;
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.top-bar__brand {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text);
    letter-spacing: -0.01em;
}

.top-bar__brand:hover { text-decoration: none; color: var(--text); }

.top-bar__spacer { flex: 1; }

.top-bar__actions {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.icon-btn {
    width: 32px;
    height: 32px;
    display: inline-grid;
    place-items: center;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    background: transparent;
    border: 0;
    transition: color var(--duration-fast) var(--ease-out),
                background-color var(--duration-fast) var(--ease-out);
}

.icon-btn:hover {
    color: var(--text);
    background-color: var(--bg-secondary);
    text-decoration: none;
}

.icon-btn:focus-visible {
    outline: 1px solid var(--text);
    outline-offset: 1px;
}

.icon-btn svg {
    width: 16px;
    height: 16px;
}

.icon-btn .icon-sun { display: none; }
.icon-btn .icon-moon { display: block; }
[data-theme="dark"] .icon-btn .icon-sun { display: block; }
[data-theme="dark"] .icon-btn .icon-moon { display: none; }

.theme-toggle-btn {
    width: 32px;
    height: 32px;
    display: inline-grid;
    place-items: center;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    background: transparent;
    transition: color var(--duration-fast) var(--ease-out),
                background-color var(--duration-fast) var(--ease-out);
}

.theme-toggle-btn:hover {
    color: var(--text);
    background-color: var(--bg-secondary);
}

.theme-toggle-btn:focus-visible {
    outline: 1px solid var(--text);
    outline-offset: 1px;
}

.theme-toggle-btn svg { width: 16px; height: 16px; }
.theme-toggle-btn .icon-sun { display: none; }
.theme-toggle-btn .icon-moon { display: block; }
[data-theme="dark"] .theme-toggle-btn .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle-btn .icon-moon { display: none; }

/* ============================================================
   Intro
   ============================================================ */

.intro {
    margin-bottom: var(--space-7);
}

.intro h1 {
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: var(--space-3);
    letter-spacing: -0.02em;
}

.intro p {
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
}

/* ============================================================
   Search
   ============================================================ */

.search {
    position: relative;
    margin-bottom: var(--space-7);
}

.search input {
    width: 100%;
    height: 38px;
    padding: 0 var(--space-3) 0 var(--space-8);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    transition: border-color var(--duration-fast) var(--ease-out);
}

.search input::placeholder { color: var(--text-muted); }

.search input:hover { border-color: var(--input-border-hover); }

.search input:focus {
    outline: 1px solid var(--text);
    outline-offset: -1px;
    border-color: var(--text);
}

.search__icon {
    position: absolute;
    left: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: var(--text-xs);
    pointer-events: none;
}

.search__clear {
    position: absolute;
    right: var(--space-2);
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    display: grid;
    place-items: center;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    background: transparent;
}

.search__clear:hover {
    background-color: var(--bg-secondary);
    color: var(--text);
}

/* ============================================================
   Category section
   ============================================================ */

.section {
    margin-bottom: var(--space-7);
}

.section[hidden] { display: none; }

.section__title {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: var(--space-3);
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--border);
}

/* ============================================================
   Tool list — plain rows, no cards
   ============================================================ */

.tool-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tool {
    display: block;
}

.tool[hidden] { display: none; }

.tool__link {
    display: grid;
    grid-template-columns: minmax(0, 13rem) 1fr;
    column-gap: var(--space-5);
    padding: var(--space-3) var(--space-3);
    margin: 0 calc(var(--space-3) * -1);
    border-radius: var(--radius-sm);
    color: var(--text);
    transition: background-color var(--duration-fast) var(--ease-out);
}

.tool__link:hover {
    background-color: var(--bg-secondary);
    text-decoration: none;
}

.tool__link:focus-visible {
    outline: 1px solid var(--text);
    outline-offset: -1px;
}

.tool__name {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text);
}

.tool__link:hover .tool__name { color: var(--accent); }

.tool__desc {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: var(--leading-normal);
}

/* No results */
.no-results-message {
    padding: var(--space-7) 0;
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.no-results-message::before {
    content: '// ';
    color: var(--text-muted);
}

/* ============================================================
   Tool page
   ============================================================ */

.tool-page-shell {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.tool-container {
    flex: 1 0 auto;
    width: 100%;
    max-width: 880px;
    margin: 0 auto;
    padding: var(--space-7) var(--space-5) var(--space-9);
}

.tool-container .container {
    max-width: none;
    padding: 0;
}

.tool-header {
    margin-bottom: var(--space-3);
}

.tool-header h1 {
    font-size: var(--text-2xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-2);
}

.tool-description {
    max-width: 640px;
    margin: 0 0 var(--space-7);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-bottom: var(--space-5);
}

.back-link:hover {
    color: var(--text);
    text-decoration: none;
}

.back-link::before {
    content: '←';
}

/* ============================================================
   Footer
   ============================================================ */

.app-footer,
footer {
    flex-shrink: 0;
    width: 100%;
    max-width: 720px;
    margin: 0 auto;
    padding: var(--space-7) var(--space-5);
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
}

.app-footer p,
footer p {
    margin: 0;
    color: var(--text-muted);
}

.app-footer a,
footer a {
    color: var(--text-secondary);
}

.app-footer a:hover,
footer a:hover {
    color: var(--text);
}

footer .container {
    padding: 0;
    max-width: none;
}

/* Legacy tools-grid alias (unused on the new homepage) */
.tools-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3);
}

/* ============================================================
   Responsive
   ============================================================ */

/* Tablet & narrow desktop — tighten the name column so the
   description has more room to breathe. */
@media (max-width: 880px) {
    .tool__link {
        grid-template-columns: minmax(0, 11rem) 1fr;
        column-gap: var(--space-4);
    }
    .tool-container {
        padding-left: var(--space-4);
        padding-right: var(--space-4);
    }
}

/* Phones — stack the tool row, drop horizontal padding, bump
   touch targets, ease in the search input height. */
@media (max-width: 640px) {
    body { font-size: 0.9375rem; }

    .top-bar,
    .page,
    .app-footer,
    footer {
        padding-left: var(--space-4);
        padding-right: var(--space-4);
    }

    .page { padding-top: var(--space-5); padding-bottom: var(--space-7); }

    .intro { margin-bottom: var(--space-6); }
    .intro h1 { font-size: var(--text-xl); }

    .search { margin-bottom: var(--space-6); }
    .search input { height: 44px; font-size: var(--text-base); }
    .search__icon { left: var(--space-3); }

    .section { margin-bottom: var(--space-6); }

    .tool__link {
        grid-template-columns: 1fr;
        row-gap: 2px;
        padding: var(--space-3) var(--space-2);
        margin: 0 calc(var(--space-2) * -1);
    }

    .tool__name { font-size: var(--text-base); }
    .tool__desc { font-size: var(--text-sm); }

    /* Bigger tap targets for header buttons */
    .icon-btn,
    .theme-toggle-btn {
        width: 40px;
        height: 40px;
    }

    .tool-container {
        padding: var(--space-5) var(--space-4) var(--space-7);
    }
    .tool-header h1 { font-size: var(--text-xl); }
}

/* Very narrow — pull padding in further so the row list reads cleanly. */
@media (max-width: 380px) {
    .top-bar,
    .page,
    .app-footer,
    footer,
    .tool-container {
        padding-left: var(--space-3);
        padding-right: var(--space-3);
    }
    .top-bar { gap: var(--space-2); }
}

/* Coarse pointers (touch devices regardless of width) — make
   sure the small icon buttons in the header stay easy to hit. */
@media (pointer: coarse) {
    .icon-btn,
    .theme-toggle-btn {
        width: 40px;
        height: 40px;
    }
    .search__clear {
        width: 32px;
        height: 32px;
    }
}