/* =============================================================================
   app.css — Estilos principais do Sistema de Pesquisas
   =============================================================================
   Organização:
   1. Reset e variáveis
   2. Tipografia base
   3. Layout de autenticação (login)
   4. Layout principal (sidebar + conteúdo)
   5. Componentes: formulários, botões, alertas, cards
   6. Painel: stats, ações rápidas
   7. Responsividade (mobile)
   ============================================================================= */

/* =============================================================================
   1. RESET E VARIÁVEIS
   ============================================================================= */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* Cores principais */
    --blue:        #1a56a0;
    --blue-dark:   #0e3d7a;
    --blue-light:  #d6e8f8;
    --green:       #1a7a4a;
    --green-light: #d4f0e2;
    --red:         #c0392b;
    --red-light:   #fde8e6;
    --orange:      #d97706;
    --orange-light:#fef3c7;
    --purple:      #6d28d9;
    --purple-light:#ede9fe;

    /* Neutros */
    --gray-50:  #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Sidebar */
    --sidebar-bg:    #1e3a5f;
    --sidebar-width: 240px;

    /* Espaçamentos */
    --radius-sm: 6px;
    --radius:    8px;
    --radius-lg: 12px;

    /* Sombras */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow:    0 2px 8px rgba(0,0,0,0.10);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.12);
}

/* =============================================================================
   2. TIPOGRAFIA BASE
   ============================================================================= */
html, body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--gray-100);
    -webkit-font-smoothing: antialiased;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

h1 { font-size: 1.5rem; font-weight: 600; }
h2 { font-size: 1.25rem; font-weight: 600; }
h3 { font-size: 1.1rem; font-weight: 600; }

/* =============================================================================
   3. LAYOUT DE AUTENTICAÇÃO (LOGIN)
   ============================================================================= */
.auth-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--sidebar-bg) 0%, var(--blue) 100%);
    padding: 1rem;
}

.auth-wrapper {
    width: 100%;
    max-width: 420px;
}

.auth-header {
    display: flex;
    align-items: center;
    gap: 12px;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.auth-brand-name {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
}

.auth-brand-sub {
    display: block;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.7);
}

.auth-card {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.auth-card-header {
    padding: 1.75rem 2rem 1.25rem;
    border-bottom: 1px solid var(--gray-100);
}

.auth-card-header h2 {
    color: var(--gray-900);
    margin-bottom: 4px;
}

.auth-card-header p {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.auth-form {
    padding: 1.5rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.auth-card-footer {
    padding: 1rem 2rem;
    background: var(--gray-50);
    text-align: center;
    border-top: 1px solid var(--gray-100);
    color: var(--gray-400);
    font-size: 0.8rem;
}

/* =============================================================================
   4. LAYOUT PRINCIPAL (SIDEBAR + CONTEÚDO)
   ============================================================================= */
.app-body {
    display: flex;
    min-height: 100vh;
    background: var(--gray-100);
}

/* --- Sidebar --- */
.sidebar {
    width: var(--sidebar-width);
    min-height: 100vh;
    background: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    transition: transform 0.25s ease;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 1.25rem 1rem;
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0.6rem 0.75rem;
    border-radius: var(--radius);
    color: rgba(255,255,255,0.75);
    font-size: 0.9rem;
    transition: background 0.15s, color 0.15s;
    text-decoration: none;
}

.nav-item:hover {
    background: rgba(255,255,255,0.1);
    color: #fff;
    text-decoration: none;
}

.nav-item.active {
    background: rgba(255,255,255,0.15);
    color: #fff;
    font-weight: 500;
}

.nav-divider {
    height: 1px;
    background: rgba(255,255,255,0.1);
    margin: 0.75rem 0;
}

.nav-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255,255,255,0.4);
    padding: 0 0.75rem;
    margin-bottom: 4px;
}

/* --- Usuário no rodapé da sidebar --- */
.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 1rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.sidebar-user-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.sidebar-user-info {
    flex: 1;
    min-width: 0;
}

.sidebar-user-name {
    display: block;
    font-size: 0.875rem;
    color: #fff;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-role {
    display: block;
    font-size: 0.75rem;
    color: rgba(255,255,255,0.5);
    text-transform: capitalize;
}

.sidebar-logout {
    color: rgba(255,255,255,0.5);
    display: flex;
    align-items: center;
    padding: 4px;
    border-radius: var(--radius-sm);
    transition: color 0.15s, background 0.15s;
}

.sidebar-logout:hover {
    color: #fff;
    background: rgba(255,255,255,0.1);
    text-decoration: none;
}

/* --- Conteúdo principal --- */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.page-header {
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    padding: 0.875rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 12px;
    position: sticky;
    top: 0;
    z-index: 10;
}

.page-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-800);
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--gray-600);
    padding: 4px;
    border-radius: var(--radius-sm);
}

.sidebar-toggle:hover { background: var(--gray-100); }

.page-body {
    padding: 1.5rem;
    flex: 1;
}

/* =============================================================================
   5. COMPONENTES: FORMULÁRIOS, BOTÕES, ALERTAS
   ============================================================================= */

/* --- Grupos de formulário --- */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
}

.form-input, .form-select, .form-textarea {
    padding: 0.625rem 0.875rem;
    border: 1.5px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 0.9375rem;
    color: var(--gray-800);
    background: #fff;
    transition: border-color 0.15s, box-shadow 0.15s;
    width: 100%;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(26,86,160,0.12);
}

/* Campo de senha com botão de toggle */
.input-password-wrapper {
    position: relative;
}

.input-password-wrapper .form-input {
    padding-right: 2.75rem;
}

.btn-toggle-password {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--gray-400);
    padding: 2px;
    display: flex;
    align-items: center;
}

.btn-toggle-password:hover { color: var(--gray-600); }

/* --- Botões --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius);
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    border: 1.5px solid transparent;
    transition: background 0.15s, border-color 0.15s, transform 0.1s;
    text-decoration: none;
    line-height: 1.4;
}

.btn:active { transform: scale(0.98); }

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

.btn-primary:hover {
    background: var(--blue-dark);
    border-color: var(--blue-dark);
    text-decoration: none;
    color: #fff;
}

.btn-secondary {
    background: #fff;
    color: var(--gray-700);
    border-color: var(--gray-300);
}

.btn-secondary:hover { background: var(--gray-50); }

.btn-danger {
    background: var(--red);
    color: #fff;
    border-color: var(--red);
}

.btn-block { width: 100%; }

/* --- Alertas / Flash messages --- */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 8px;
}

.alert-erro, .alert-error {
    background: var(--red-light);
    color: #7f1d1d;
    border: 1px solid #fca5a5;
}

.alert-sucesso, .alert-success {
    background: var(--green-light);
    color: #14532d;
    border: 1px solid #6ee7b7;
}

.alert-aviso, .alert-warning {
    background: var(--orange-light);
    color: #78350f;
    border: 1px solid #fcd34d;
}

.alert-info {
    background: var(--blue-light);
    color: #1e3a5f;
    border: 1px solid #93c5fd;
}

.alert-close {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    line-height: 1;
    opacity: 0.6;
    flex-shrink: 0;
}

.alert-close:hover { opacity: 1; }

/* =============================================================================
   6. PAINEL: STATS E AÇÕES RÁPIDAS
   ============================================================================= */

/* Grid de cards de estatísticas */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
}

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

.stat-icon-blue   { background: var(--blue-light);   color: var(--blue); }
.stat-icon-green  { background: var(--green-light);  color: var(--green); }
.stat-icon-purple { background: var(--purple-light); color: var(--purple); }
.stat-icon-orange { background: var(--orange-light); color: var(--orange); }

.stat-value {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.2;
}

.stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--gray-500);
    margin-top: 2px;
}

/* Ações rápidas */
.quick-actions { margin-bottom: 2rem; }

.section-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 0.75rem;
}

.action-card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
    color: var(--gray-700);
    font-size: 0.875rem;
    font-weight: 500;
    transition: border-color 0.15s, box-shadow 0.15s, color 0.15s;
    text-decoration: none;
}

.action-card:hover {
    border-color: var(--blue);
    box-shadow: var(--shadow);
    color: var(--blue);
    text-decoration: none;
}

/* Banner de boas-vindas */
.welcome-banner {
    background: linear-gradient(135deg, var(--blue-light), #e0f2fe);
    border: 1px solid #bfdbfe;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.welcome-banner h3 { color: var(--blue-dark); margin-bottom: 4px; }
.welcome-banner p  { color: var(--gray-600); font-size: 0.9rem; }

/* Páginas de erro */
.error-page {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 3rem 2rem;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.error-code {
    font-size: 5rem;
    font-weight: 800;
    color: var(--gray-200);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.error-title {
    color: var(--gray-800);
    margin-bottom: 0.5rem;
}

.error-desc {
    color: var(--gray-500);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

/* =============================================================================
   7. RESPONSIVIDADE (MOBILE)
   ============================================================================= */
@media (max-width: 768px) {
    /* Sidebar escondida por padrão no mobile */
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

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

    /* Mostra o botão de toggle */
    .sidebar-toggle {
        display: flex;
    }

    /* Stats em 2 colunas */
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .auth-form {
        padding: 1.25rem 1.25rem;
    }

    .auth-card-header {
        padding: 1.25rem 1.25rem 1rem;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* Limita altura dos gráficos Chart.js */
canvas { max-height: 280px !important; }
#chart-tendencia { max-height: 180px !important; }

/* Gráficos de pizza/doughnut */
canvas[id^="chart-p"] { max-height: 180px !important; max-width: 180px !important; }
div[style*="grid-template-columns:200px"] { grid-template-columns: 180px 1fr !important; }

/* ===== Editor de perguntas — abas e botões ===== */
.pergunta-item{border:1px solid var(--gray-200);border-radius:var(--radius-lg);margin-bottom:.75rem;background:#fff;overflow:hidden}
.pergunta-header{display:flex;justify-content:space-between;align-items:center;padding:.5rem .875rem;background:var(--gray-50);border-bottom:1px solid var(--gray-100)}
.pergunta-num{font-size:.75rem;font-weight:600;color:var(--gray-500);text-transform:uppercase;letter-spacing:.05em}
.pergunta-acoes{display:flex;gap:2px}
.btn-perg-acao{background:none;border:none;cursor:pointer;color:var(--gray-400);padding:4px 6px;border-radius:4px;display:flex;align-items:center;transition:all .15s}
.btn-perg-acao:hover{background:var(--gray-100);color:var(--gray-700)}
.btn-perg-remove:hover{background:var(--red-light)!important;color:var(--red)!important}
.pergunta-tabs{display:flex;gap:0;border-bottom:1px solid var(--gray-200);padding:0 .875rem;background:#fff}
.ptab{background:none;border:none;border-bottom:2px solid transparent;padding:.5rem .75rem;font-size:.82rem;font-weight:500;color:var(--gray-500);cursor:pointer;margin-bottom:-1px;transition:all .15s}
.ptab:hover{color:var(--blue)}
.ptab.active{color:var(--blue);border-bottom-color:var(--blue)}
.ptab-content{display:none}
.ptab-content.active{display:block}
.pergunta-body{padding:.875rem;display:flex;flex-direction:column;gap:.625rem}
.logica-regras{display:flex;flex-direction:column;gap:.5rem}
.logica-regra{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}
.layout-opt{display:inline-flex;align-items:center;gap:.375rem;padding:.375rem .75rem;border:1.5px solid var(--gray-200);border-radius:var(--radius);cursor:pointer;font-size:.82rem;transition:all .15s}
.layout-opt input{display:none}
.layout-opt.active{border-color:var(--blue);background:var(--blue-light);color:var(--blue)}
.layout-opt:hover{border-color:var(--blue)}

/* ===== Cards ===== */
.card{background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius-lg);margin-bottom:1rem;width:100%;display:block}
.card-header{padding:.875rem 1.25rem;border-bottom:1px solid var(--gray-100);display:flex;justify-content:space-between;align-items:center;width:100%}
.card-header h3{font-size:.95rem;font-weight:600;margin:0}
.card-body{padding:1.25rem;width:100%;display:block}
.section-title{font-size:.8rem;font-weight:600;color:var(--gray-500);text-transform:uppercase;letter-spacing:.05em}