/* MN Mármores e Granitos — Design System */
:root {
    --gray-900: #2b2b2b;
    --gray-800: #3d3d3d;
    --gray-700: #4f4f4f;
    --gray-600: #636363;  /* cor principal da logo */
    --gray-500: #7a7a7a;
    --gray-400: #9a9a9a;
    --gray-300: #bebebe;
    --gray-200: #d9d9d9;
    --gray-100: #f0f0f0;
    --gray-50:  #f7f7f7;
    --white:    #ffffff;

    --primary:       var(--gray-600);
    --primary-dark:  var(--gray-800);
    --primary-light: var(--gray-400);

    --sidebar-w: 260px;
    --header-h:  64px;

    --radius:   8px;
    --radius-lg: 12px;
    --shadow:   0 1px 4px rgba(0,0,0,.10);
    --shadow-md: 0 4px 16px rgba(0,0,0,.12);

    --transition: .2s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    background: var(--gray-50);
    color: var(--gray-900);
    line-height: 1.5;
    font-size: 15px;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ── LOGIN ─────────────────────────────────────────── */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-800);
    background-image: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-600) 100%);
}

.login-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 48px 40px 40px;
    width: 100%;
    max-width: 400px;
}

.login-logo {
    display: flex;
    justify-content: center;
    margin-bottom: 32px;
}

.login-logo img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    border-radius: var(--radius);
}

.login-title {
    text-align: center;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 6px;
    letter-spacing: .02em;
}

.login-subtitle {
    text-align: center;
    font-size: .85rem;
    color: var(--gray-400);
    margin-bottom: 32px;
}

/* ── FORM ─────────────────────────────────────────── */
.form-group {
    margin-bottom: 18px;
}

.form-label {
    display: block;
    font-size: .82rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 6px;
    letter-spacing: .02em;
    text-transform: uppercase;
}

.form-control {
    width: 100%;
    padding: 11px 14px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: .95rem;
    color: var(--gray-900);
    background: var(--white);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--gray-600);
    box-shadow: 0 0 0 3px rgba(99,99,99,.12);
}

.form-control::placeholder { color: var(--gray-300); }

/* ── SELECT ── */
select.form-control,
select.filter-select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-color: var(--white);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' viewBox='0 0 24 24'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 11px center;
    background-size: 16px 16px;
    padding-right: 38px;
    cursor: pointer;
}
select.form-control:focus,
select.filter-select:focus {
    border-color: var(--gray-600);
    box-shadow: 0 0 0 3px rgba(99,99,99,.12);
    outline: none;
}

/* Altura/padding uniformes para filter-select */
select.filter-select {
    padding-top: 9px;
    padding-bottom: 9px;
    padding-left: 12px;
    font-size: .88rem;
    color: var(--gray-900);
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius);
    transition: border-color var(--transition), box-shadow var(--transition);
}

/* ── BUTTON ────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: var(--radius);
    font-size: .95rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: background var(--transition), transform var(--transition);
}

.btn-primary {
    background: var(--gray-700);
    color: var(--white);
    width: 100%;
}

.btn-primary:hover { background: var(--gray-800); }
.btn-primary:active { transform: scale(.98); }

/* ── ALERT ────────────────────────────────────────── */
.alert {
    padding: 11px 14px;
    border-radius: var(--radius);
    font-size: .88rem;
    margin-bottom: 18px;
}

.alert-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #b91c1c;
}

.alert-success {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: #15803d;
}

/* ── APP LAYOUT ────────────────────────────────────── */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* ── SIDEBAR ───────────────────────────────────────── */
.sidebar {
    width: var(--sidebar-w);
    background: var(--gray-800);
    color: var(--white);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    transition: transform var(--transition);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 20px 16px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}

.sidebar-brand img {
    width: 44px;
    height: 44px;
    border-radius: 6px;
    object-fit: cover;
}

.sidebar-brand-text {
    font-size: .82rem;
    font-weight: 600;
    line-height: 1.3;
    color: var(--white);
    letter-spacing: .01em;
}

.sidebar-brand-sub {
    font-size: .72rem;
    color: var(--gray-400);
    font-weight: 400;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 0;
    overflow-y: auto;
}

.nav-section-title {
    font-size: .68rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--gray-500);
    padding: 10px 20px 6px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    font-size: .9rem;
    font-weight: 500;
    color: var(--gray-300);
    border-radius: 0;
    transition: background var(--transition), color var(--transition);
    cursor: pointer;
    position: relative;
}

.nav-item:hover {
    background: rgba(255,255,255,.06);
    color: var(--white);
}

.nav-item.active {
    background: rgba(255,255,255,.10);
    color: var(--white);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0; top: 6px; bottom: 6px;
    width: 3px;
    background: var(--white);
    border-radius: 0 3px 3px 0;
}

.nav-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    opacity: .75;
}

.nav-item.active .nav-icon,
.nav-item:hover .nav-icon { opacity: 1; }

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,.08);
    font-size: .82rem;
    color: var(--gray-400);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.sidebar-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--gray-600);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .85rem;
    font-weight: 700;
    color: var(--white);
    flex-shrink: 0;
}

.sidebar-user-info { min-width: 0; }
.sidebar-user-name { font-weight: 600; color: var(--white); font-size: .88rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-user-role { font-size: .72rem; color: var(--gray-400); text-transform: capitalize; }

.btn-logout {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: .82rem;
    color: var(--gray-400);
    padding: 6px 0;
    background: none;
    border: none;
    cursor: pointer;
    transition: color var(--transition);
}

.btn-logout:hover { color: #fc8181; }

/* ── MAIN CONTENT ──────────────────────────────────── */
.main-content {
    margin-left: var(--sidebar-w);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ── TOP BAR ───────────────────────────────────────── */
.topbar {
    height: var(--header-h);
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    padding: 0 28px;
    gap: 16px;
    position: sticky;
    top: 0;
    z-index: 50;
}

.topbar-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--gray-800);
    flex: 1;
}

.topbar-date {
    font-size: .82rem;
    color: var(--gray-400);
}

/* ── PAGE BODY ─────────────────────────────────────── */
.page-body {
    padding: 28px;
    flex: 1;
}

/* ── CARDS / KPI ───────────────────────────────────── */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 18px;
    margin-bottom: 28px;
}

.kpi-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 22px 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    gap: 18px;
}

.kpi-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.kpi-icon svg { width: 22px; height: 22px; color: var(--gray-600); }

.kpi-value {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--gray-800);
    line-height: 1;
}

.kpi-label {
    font-size: .8rem;
    color: var(--gray-400);
    margin-top: 4px;
    font-weight: 500;
}

/* ── CARD ──────────────────────────────────────────── */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-100);
    overflow: hidden;
}

.card-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--gray-800);
}

.card-body { padding: 24px; }

/* ── RESPONSIVE ────────────────────────────────────── */

/* Tablet e abaixo: sidebar como overlay */
@media (max-width: 1024px) {
    :root { --sidebar-w: 240px; }
}

@media (max-width: 768px) {
    /* Sidebar: escondida por padrão, vira overlay */
    .sidebar {
        transform: translateX(-100%);
        z-index: 200;
        box-shadow: none;
    }
    .sidebar.open {
        transform: translateX(0);
        box-shadow: 4px 0 24px rgba(0,0,0,.25);
    }

    /* Overlay escuro ao abrir sidebar */
    .sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,.4);
        z-index: 199;
    }
    .sidebar-overlay.open { display: block; }

    /* Conteúdo principal ocupa tela inteira */
    .main-content { margin-left: 0; }

    /* Topbar */
    .topbar { padding: 0 16px; gap: 10px; }
    .topbar-title { font-size: 1rem; }
    .topbar-date { display: none; }

    /* Botão hamburguer (só aparece em mobile) */
    .btn-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 36px; height: 36px;
        background: none;
        border: 1.5px solid var(--gray-200);
        border-radius: var(--radius);
        cursor: pointer;
        color: var(--gray-600);
        flex-shrink: 0;
    }

    /* Layout geral */
    .page-body { padding: 16px; }
    .kpi-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .kpi-card { padding: 16px 18px; gap: 12px; }
    .kpi-value { font-size: 1.3rem; }
    .card-header { padding: 14px 18px; flex-wrap: wrap; gap: 10px; }
    .card-body { padding: 16px; }

    /* Tabelas: scroll horizontal controlado */
    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        border-radius: var(--radius);
    }
    .table-responsive table { min-width: 500px; }
}

/* Mobile pequeno */
@media (max-width: 480px) {
    .kpi-grid { grid-template-columns: 1fr; gap: 10px; }
    .kpi-card { padding: 14px 16px; }
    .page-body { padding: 12px; }
    .topbar { padding: 0 12px; }
    .card-body { padding: 14px; }

    /* Grids de formulário: coluna única */
    .form-row-2,
    .form-row-3 { grid-template-columns: 1fr; gap: 10px; }

    /* Botões de ação em linha */
    .btn { padding: 10px 16px; font-size: .9rem; }
}

/* Tablet médio: 641px – 768px */
@media (min-width: 641px) and (max-width: 768px) {
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Desktop grande */
@media (min-width: 1280px) {
    .wizard-container { max-width: 800px; }
    .kpi-grid { grid-template-columns: repeat(4, 1fr); }
}

/* Botão hamburguer oculto em desktop */
.btn-menu-toggle { display: none; }