/* ============================
   Hub Multiferramentas — CSS
   Tema claro, tipografia legível, foco em performance.
   ============================ */

:root {
    --color-bg: #ffffff;
    --color-bg-soft: #f7f9fc;
    --color-text: #1f2933;
    --color-text-muted: #5b6675;
    --color-border: #e3e8ef;
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --radius: 10px;
    --shadow: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.08);
    --max-width: 1140px;
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    font-family: var(--font);
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 17px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { line-height: 1.3; margin: 0 0 0.5em; color: #111827; }
p { margin: 0 0 1em; color: var(--color-text-muted); }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
ul { list-style: none; margin: 0; padding: 0; }

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
}

.skip-link {
    position: absolute;
    left: -999px;
    top: 0;
    background: var(--color-primary);
    color: #fff;
    padding: 8px 16px;
    z-index: 100;
}
.skip-link:focus { left: 0; }

/* ---- Header ---- */
.site-header {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 50;
}

.site-header__top {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--color-text);
    white-space: nowrap;
}
.logo:hover { text-decoration: none; }
.logo__icon { font-size: 1.4rem; }

.search-form {
    position: relative;
    flex: 1;
    max-width: 480px;
    display: flex;
    margin-left: auto;
    margin-right: auto;
}

.search-form__input {
    width: 100%;
    padding: 10px 44px 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.95rem;
    background: var(--color-bg-soft);
    color: var(--color-text);
}
.search-form__input:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 1px;
    background: #fff;
}

.search-form__button {
    position: absolute;
    right: 4px;
    top: 4px;
    bottom: 4px;
    width: 36px;
    border: 0;
    background: transparent;
    color: var(--color-text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}
.search-form__button:hover { color: var(--color-primary); }

.search-suggestions {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    max-height: 320px;
    overflow-y: auto;
    z-index: 60;
}
.search-suggestions li a {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    padding: 10px 14px;
    color: var(--color-text);
}
.search-suggestions li a:hover,
.search-suggestions li a:focus { background: var(--color-bg-soft); text-decoration: none; }
.search-suggestions li a small { color: var(--color-text-muted); }

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: #fff;
    cursor: pointer;
    margin-left: auto;
}
.nav-toggle span { display: block; height: 2px; background: var(--color-text); border-radius: 2px; }

/* ---- Main nav / mega menu ---- */
.main-nav { border-top: 1px solid var(--color-border); background: var(--color-bg-soft); }
.main-nav__list {
    display: flex;
    flex-wrap: wrap;
    gap: 2px;
    justify-content: center;
}
.main-nav__item { position: relative; }
.main-nav__link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 14px;
    color: var(--color-text);
    font-size: 0.92rem;
    font-weight: 600;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
}
.main-nav__link:hover { text-decoration: none; color: var(--accent, var(--color-primary)); border-bottom-color: var(--accent, var(--color-primary)); }
.main-nav__caret { margin-left: 2px; opacity: 0.6; }

.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 0 0 var(--radius) var(--radius);
    box-shadow: var(--shadow);
    padding: 6px;
    display: none;
    z-index: 55;
}
.main-nav__item:hover .submenu,
.main-nav__item:focus-within .submenu { display: block; }
.submenu li a {
    display: block;
    padding: 9px 12px;
    border-radius: 6px;
    color: var(--color-text);
    font-size: 0.92rem;
}
.submenu li a:hover { background: var(--color-bg-soft); text-decoration: none; }

/* ---- Ad slots ---- */
.ad-slot-wrap { margin: 24px auto; }
.ad-slot { text-align: center; margin: 0 auto; }
.ad-slot__label {
    display: block;
    font-size: 0.7rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: #9aa5b1;
    margin-bottom: 6px;
}
.ad-slot__box {
    min-height: 90px;
    background: var(--color-bg-soft);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
}
.ad-slot--footer .ad-slot__box { min-height: 90px; margin-bottom: 20px; }

/* ---- Hero ---- */
.hero { padding: 40px 20px 8px; text-align: center; }
.hero__title { font-size: 2rem; }
.hero__subtitle { font-size: 1.05rem; max-width: 640px; margin: 0 auto; }

/* ---- Category grid ---- */
.category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 28px 0;
}
.category-grid--compact { grid-template-columns: repeat(4, 1fr); }

.category-card {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 20px;
    background: var(--color-bg-soft);
    border: 1px solid var(--color-border);
    border-top: 3px solid var(--accent, var(--color-primary));
    border-radius: var(--radius);
    color: var(--color-text);
    transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.category-card:hover { text-decoration: none; transform: translateY(-2px); box-shadow: var(--shadow); }
.category-card__icon { font-size: 1.8rem; }
.category-card__name { font-weight: 700; font-size: 1.05rem; }
.category-card__desc { font-size: 0.88rem; color: var(--color-text-muted); }
.category-card__count { font-size: 0.78rem; color: var(--accent, var(--color-primary)); font-weight: 600; margin-top: 4px; }

/* ---- Info section ---- */
.info-section { padding: 30px 20px 50px; text-align: center; }
.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 20px; }
.info-item { padding: 16px; }
.info-item__icon { font-size: 1.8rem; }

/* ---- Page heading (category/search) ---- */
.page-heading {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 32px 20px 16px;
    border-bottom: 3px solid var(--accent, var(--color-border));
    margin-bottom: 24px;
}
.page-heading__icon { font-size: 2.4rem; }
.page-heading h1 { margin-bottom: 4px; }

.section-title { margin-top: 30px; }

/* ---- Tool grid ---- */
.tool-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 30px;
}
.tool-card {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 18px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text);
}
.tool-card:hover { text-decoration: none; border-color: var(--color-primary); box-shadow: var(--shadow); }
.tool-card__icon { font-size: 1.6rem; }
.tool-card__name { font-weight: 700; }
.tool-card__desc, .tool-card__category { font-size: 0.85rem; color: var(--color-text-muted); }

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--color-text-muted);
}

/* ---- Footer ---- */
.site-footer { background: var(--color-bg-soft); border-top: 1px solid var(--color-border); margin-top: 40px; padding-top: 36px; }
.site-footer__grid {display: grid;grid-template-columns: 1fr 1fr;gap: 24px;padding-bottom: 20px;}
.site-footer__title { font-size: 0.95rem; margin-bottom: 10px; }
.site-footer__list li { margin-bottom: 6px; font-size: 0.9rem; }
.site-footer__text { font-size: 0.88rem; }
.site-footer__copy { text-align: center; font-size: 0.82rem; color: var(--color-text-muted); padding: 16px 0; margin: 0; border-top: 1px solid var(--color-border); }

/* ---- Responsive ---- */
@media (max-width: 900px) {
    .category-grid, .category-grid--compact { grid-template-columns: repeat(2, 1fr); }
    .tool-grid { grid-template-columns: repeat(2, 1fr); }
    .info-grid { grid-template-columns: 1fr; }
    .site-footer__grid { grid-template-columns: 1fr; }
}

/* ---- Breadcrumb ---- */
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    padding: 16px 20px 0;
}
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb [aria-current] { color: var(--color-text); font-weight: 600; }

/* ---- Tool heading ---- */
.tool-heading {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 18px 20px 20px;
    border-bottom: 3px solid var(--accent, var(--color-border));
    margin-bottom: 22px;
}
.tool-heading__icon { font-size: 2.2rem; }
.tool-heading h1 { margin-bottom: 6px; font-size: 1.6rem; }
.tool-heading p { margin: 0; }

/* ---- Tool form / fields ---- */
.tool-panel { margin-bottom: 10px; }
.tool-form__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field--full { grid-column: 1 / -1; }
.field label { font-weight: 600; font-size: 0.9rem; color: var(--color-text); }
.field input,
.field select,
.field textarea {
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-family: inherit;
    background: #fff;
    color: var(--color-text);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 1px;
}
.field__hint { color: var(--color-text-muted); font-size: 0.78rem; }
.tool-form--text .field { margin-bottom: 14px; }

.tool-form__actions { display: flex; gap: 10px; margin-top: 18px; }

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 11px 20px;
    border-radius: var(--radius);
    border: 1px solid transparent;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
}
.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover { background: var(--color-primary-dark); }
.btn--ghost { background: #fff; color: var(--color-text-muted); border-color: var(--color-border); }
.btn--ghost:hover { background: var(--color-bg-soft); }
.btn--copy { background: var(--color-bg-soft); color: var(--color-primary); border-color: var(--color-border); margin-top: 12px; }
.btn--copy:hover { background: #eef2ff; }
.btn--copy.is-copied { color: #16a34a; }

.tool-result {
    margin-top: 20px;
    padding: 20px;
    background: var(--color-bg-soft);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}
.tool-result__body { font-size: 1rem; }
.tool-result__body h3 { margin-top: 0; font-size: 1.05rem; }
.tool-result__value { font-size: 1.6rem; font-weight: 800; color: var(--color-primary); }
.tool-result table { width: 100%; border-collapse: collapse; margin-top: 8px; }
.tool-result th, .tool-result td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--color-border); font-size: 0.9rem; }
.tool-result .error-msg { color: #dc2626; }
.tool-result a.download-link { font-weight: 700; }

.submenu__group {
    padding: 8px 12px 4px;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #9aa5b1;
}

.wheel-stage {
    position: relative;
    width: 360px;
    max-width: 100%;
    margin: 0 auto 28px;
    aspect-ratio: 1 / 1;
}
.wheel-canvas {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.18);
    display: block;
}
.wheel-pointer {
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 14px solid transparent;
    border-right: 14px solid transparent;
    border-top: 24px solid #111827;
    z-index: 2;
    filter: drop-shadow(0 2px 3px rgba(0, 0, 0, 0.3));
}

@media (max-width: 640px) {
    .tool-form__grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
    .nav-toggle { display: flex; }
    .site-header__top { flex-wrap: wrap; }
    .search-form { order: 3; flex-basis: 100%; max-width: none; }
    .main-nav { display: none; }
    .main-nav.is-open { display: block; }
    .main-nav__list { flex-direction: column; }
    .submenu { position: static; display: none; border: 0; box-shadow: none; padding-left: 12px; }
    .main-nav__item.is-open .submenu { display: block; }
    .category-grid, .category-grid--compact, .tool-grid { grid-template-columns: 1fr; }
    .hero__title { font-size: 1.5rem; }
    ul.site-footer__list {
    display: block !important;
}
}

pre {
    text-wrap-mode: wrap;
}

ul.site-footer__list {
    display: flex;
    gap: 15px;
    justify-content: space-between;
    flex-wrap: wrap;
}