:root {
    --primary-color: #4f46e5;      /* Roxo/Azul (Inserir/Confirmar) */
    --primary-hover: #4338ca;
    --secondary-color: #10b981;    /* Verde (Visualizar) */
    --secondary-hover: #059669;
    --danger-color: #f87171;       /* Coral/Vermelho (Voltar) */
    --danger-hover: #ef4444;
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --text-main: #1f2937;
    --text-muted: #6b7280;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    display: flex;
    justify-content: center;
    align-items: center; 
    min-height: 100vh;
    background: var(--bg-gradient);
    padding: 20px;
}

/* Ajuste para páginas longas de formulário */
body:has(.secao-titulo) {
    align-items: flex-start;
    padding-top: 50px;
    padding-bottom: 50px;
}

.container {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    padding: 40px;
    width: 100%;
    max-width: 600px;
    border-radius: 20px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2);
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

h1, h2 {
    color: var(--text-main);
    text-align: center;
    font-weight: 800;
    margin-bottom: 8px;
}

p {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 30px;
}

/* GRID LAYOUTS */
.botoes-home, .bloco, .blocos {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

/* BOTÕES GERAIS */
button {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 10px;
    color: white;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    justify-content: center;
    align-items: center;
}

button:hover {
    transform: translateY(-2px);
}

button:active {
    transform: translateY(0);
}

/* CLASSES DE CORES PARA BOTÕES */

/* 1. Azul/Roxo (Confirmar, Inserir, Submit) */
.btn-inserir, button[type="submit"] {
    background-color: var(--primary-color);
}
.btn-inserir:hover, button[type="submit"]:hover {
    background-color: var(--primary-hover);
    box-shadow: 0 10px 15px -3px rgba(79, 70, 229, 0.4);
}

/* 2. Verde (Visualizar, Listar) */
.btn-visualizar {
    background-color: var(--secondary-color);
}
.btn-visualizar:hover {
    background-color: var(--secondary-hover);
    box-shadow: 0 10px 15px -3px rgba(16, 185, 129, 0.4);
}

/* 3. Coral/Vermelho (Voltar) */
button[type="button"], .btn-back {
    background-color: var(--danger-color);
}
button[type="button"]:hover, .btn-back:hover {
    background-color: var(--danger-hover);
    box-shadow: 0 10px 15px -3px rgba(248, 113, 113, 0.4);
}

/* FORMULÁRIO */
.secao-titulo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-color);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    margin: 25px 0 15px 0;
}

.secao-titulo::after {
    content: ""; flex: 1; height: 1px; background: #e5e7eb;
}

.cadastros { display: flex; flex-direction: column; margin-bottom: 15px; }
.cadastros label { margin-bottom: 5px; font-size: 0.8rem; font-weight: 600; color: var(--text-main); }

input, select { 
    padding: 12px; 
    border-radius: 10px; 
    border: 2px solid #e5e7eb; 
    background: #f9fafb; 
    font-size: 1rem;
    transition: all 0.2s;
}

input:focus, select:focus { 
    border-color: var(--primary-color); 
    outline: none; 
    background: #fff; 
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

/* RESPONSIVIDADE */
@media (max-width: 500px) {
    .botoes-home, .bloco, .blocos { grid-template-columns: 1fr; }
}

/* ===== TELA DE DELETAR (ESPECIAL) ===== */

/* Título com destaque de perigo */
h2 {
    font-size: 1.6rem;
    margin-bottom: 10px;
    position: relative;
}

/* Linha vermelha sutil abaixo do título */
h2::after {
    content: "";
    display: block;
    width: 60px;
    height: 4px;
    background: var(--danger-color);
    margin: 10px auto 0;
    border-radius: 10px;
}

/* Texto de aviso */
p {
    font-size: 0.9rem;
    color: #9ca3af;
}

/* SELECT mais chamativo */
select {
    cursor: pointer;
    background: linear-gradient(145deg, #ffffff, #f1f5f9);
    font-weight: 600;
}

/* Hover no select */
select:hover {
    transform: scale(1.02);
}

/* Foco mais forte (ação crítica) */
select:focus {
    border-color: var(--danger-color);
    box-shadow: 
        0 0 0 3px rgba(220, 38, 38, 0.25),
        0 10px 25px rgba(0,0,0,0.25);
}

/* BOTÃO DELETAR MAIS PERIGOSO */
button[type="submit"] {
    background: var(--danger-color);
    color: white;
    letter-spacing: 0.5px;
}

/* Glow vermelho forte */
button[type="submit"]::after {
    box-shadow: 0 0 30px var(--danger-color);
}

/* Hover mais agressivo */
button[type="submit"]:hover {
    background: var(--danger-hover);
    transform: translateY(-4px) scale(1.04);
}

/* Efeito de "alerta" no botão */
button[type="submit"]::before {
    content: "⚠";
    margin-right: 6px;
}

/* BOTÃO VOLTAR MAIS NEUTRO */
button[type="button"] {
    background: #374151;
}

/* Hover voltar */
button[type="button"]:hover {
    background: #1f2937;
}

/* Container com leve alerta */
.container {
    border-top: 6px solid var(--danger-color);
    animation: pulseDanger 2s infinite alternate;
}

/* Animação leve (não exagerada) */
@keyframes pulseDanger {
    from {
        box-shadow: 0 20px 60px rgba(0,0,0,0.7);
    }
    to {
        box-shadow: 0 20px 60px rgba(220,38,38,0.25);
    }
}

.botoes-home {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.grupo {
    background: white;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.grupo h3 {
    margin-bottom: 15px;
    color: #4f46e5;
}

.grupo form {
    margin-bottom: 10px;
}

.bin {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 8px;
    background: #4f46e5;
    color: white;
    cursor: pointer;
    transition: 0.3s;
}

.bin:hover {
    background: #4338ca;
    transform: scale(1.05);
}