* {
    box-sizing: border-box;
}

:root {
    --site-primary: #2563eb;
    --site-secondary: #111827;
    --site-bg: #f5f7fb;
    --site-text: #1f2937;

    --header-bg: #ffffff;
    --header-link: #111827;
    --header-link-hover: #2563eb;

    --site-border: #e5e7eb;
    --site-border-soft: #eef2f7;
    --site-muted: #6b7280;

    --site-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
    --site-shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.18);

    --site-radius-lg: 20px;
    --site-radius-md: 14px;
    --site-radius-sm: 10px;

    --site-container: 1180px;
    --site-transition: 0.25s ease;
    --site-header-height: 82px;

    --menu-width: 360px;
}

html,
body {
    margin: 0;
    padding: 0;
    background: var(--site-bg);
    color: var(--site-text);
    font-family: Arial, sans-serif;
}

body.menu-open {
    overflow: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
select,
textarea {
    font: inherit;
}

.site-container {
    width: min(100% - 32px, var(--site-container));
    margin: 0 auto;
}

/* =========================
   HEADER
========================= */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--site-border);
}

.site-header-inner {
    min-height: var(--site-header-height);
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 18px;
}

.site-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.site-brand-mark {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--site-primary), var(--site-secondary));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 800;
    font-size: 16px;
    box-shadow: var(--site-shadow);
    flex: 0 0 44px;
}

.site-brand-text {
    min-width: 0;
}

.site-brand-title {
    display: block;
    font-size: 18px;
    font-weight: 800;
    color: var(--site-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.site-brand-subtitle {
    display: block;
    font-size: 12px;
    color: var(--site-muted);
    margin-top: 2px;
}

/* Agora o nav desktop some sempre.
   Toda navegação principal vai para o menu lateral. */
.site-nav {
    display: none;
}

.site-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    min-width: 0;
}

.site-actions-desktop {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.site-nav-link,
.site-action-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 42px;
    padding: 0 14px;
    border-radius: 999px;
    color: var(--header-link);
    transition: var(--site-transition);
    font-weight: 700;
    white-space: nowrap;
}

.site-action-link:hover {
    background: #eef2ff;
    color: var(--header-link-hover);
}

.site-action-primary {
    background: var(--site-primary);
    color: #fff;
}

.site-action-primary:hover {
    background: var(--site-primary);
    color: #fff;
    opacity: 0.94;
}

.site-action-secondary {
    background: #fff;
    border: 1px solid var(--site-border);
}

.site-user-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 42px;
    padding: 0 14px;
    border-radius: 999px;
    background: #eff6ff;
    color: #1d4ed8;
    font-weight: 700;
    white-space: nowrap;
    max-width: 220px;
}

.site-user-pill span:last-child {
    overflow: hidden;
    text-overflow: ellipsis;
}

.site-icon {
    width: 18px;
    height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 18px;
}

.site-menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border: 1px solid var(--site-border);
    border-radius: 14px;
    background: #fff;
    cursor: pointer;
    padding: 0;
    flex: 0 0 46px;
    transition: var(--site-transition);
}

.site-menu-toggle:hover {
    background: #f8fafc;
    border-color: #dbe2ea;
}

.site-menu-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--site-text);
    margin: 3px auto;
    border-radius: 999px;
}

/* =========================
   MENU LATERAL / SLIDEOVER
========================= */

.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.42);
    opacity: 0;
    visibility: hidden;
    transition: var(--site-transition);
    z-index: 1100;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: min(92vw, var(--menu-width));
    height: 100vh;
    background: #ffffff;
    box-shadow: var(--site-shadow-lg);
    transform: translateX(100%);
    transition: var(--site-transition);
    z-index: 1200;
    display: flex;
    flex-direction: column;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-menu-header {
    min-height: 82px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 18px;
    border-bottom: 1px solid var(--site-border);
    background: #fff;
}

.mobile-menu-close {
    width: 42px;
    height: 42px;
    border: 1px solid var(--site-border);
    border-radius: 12px;
    background: #fff;
    cursor: pointer;
    font-size: 24px;
    line-height: 1;
    transition: var(--site-transition);
}

.mobile-menu-close:hover {
    background: #f8fafc;
}

.mobile-menu-body {
    padding: 18px;
    overflow-y: auto;
}

.mobile-menu-group {
    margin-bottom: 24px;
}

.mobile-menu-label {
    display: block;
    margin-bottom: 12px;
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--site-muted);
    font-weight: 800;
}

.mobile-menu-link {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 48px;
    padding: 0 14px;
    border-radius: 12px;
    color: var(--site-text);
    font-weight: 700;
    transition: var(--site-transition);
}

.mobile-menu-link:hover {
    background: #f8fafc;
    color: var(--site-primary);
}

.mobile-menu-link + .mobile-menu-link {
    margin-top: 6px;
}

/* =========================
   CONTEÚDO / HOME
========================= */

.hero-section,
.section-box {
    background: #fff;
    border-radius: var(--site-radius-lg);
    padding: 30px;
    box-shadow: var(--site-shadow);
    margin: 24px 0;
}

.hero-section h1,
.section-box h2 {
    margin: 0 0 12px;
    line-height: 1.2;
}

.hero-section h1 {
    font-size: 40px;
}

.section-box h2 {
    font-size: 28px;
}

.hero-section p,
.section-box p {
    margin: 0 0 16px;
    color: var(--site-muted);
    line-height: 1.7;
}

.hero-actions,
.auth-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 18px;
}

.site-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 18px;
    border-radius: 12px;
    font-weight: 800;
    transition: var(--site-transition);
}

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

.site-btn-secondary {
    background: #fff;
    color: var(--site-text);
    border: 1px solid var(--site-border);
}

.site-btn:hover {
    opacity: 0.95;
}

.grid-cards {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.mini-card {
    background: #f8fafc;
    border: 1px solid var(--site-border);
    border-radius: 14px;
    padding: 18px;
}

.mini-card h3 {
    margin: 0 0 10px;
    font-size: 18px;
}

.mini-card p {
    margin: 0;
    font-size: 14px;
}

/* =========================
   RESPONSIVO
========================= */

@media (max-width: 980px) {
    .site-header-inner {
        grid-template-columns: auto 1fr auto;
        gap: 12px;
    }

    .site-actions-desktop {
        gap: 8px;
    }

    .site-action-link,
    .site-user-pill {
        min-height: 40px;
        font-size: 14px;
    }

    .grid-cards {
        grid-template-columns: 1fr 1fr;
    }

    .hero-section h1 {
        font-size: 34px;
    }

    .section-box h2 {
        font-size: 24px;
    }
}

@media (max-width: 760px) {
    .site-actions-desktop {
        display: none;
    }

    .site-header-inner {
        grid-template-columns: 1fr auto;
    }

    .site-brand-subtitle {
        display: none;
    }

    .hero-section,
    .section-box {
        padding: 24px;
    }

    .hero-section h1 {
        font-size: 30px;
    }

    .grid-cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .site-container {
        width: min(100% - 20px, var(--site-container));
    }

    .hero-actions,
    .auth-links {
        flex-direction: column;
        align-items: stretch;
    }

    .site-btn {
        width: 100%;
    }
}