/* Configurações Gerais */
:root {
    --primary: #25d366;
    --primary-dark: #128c7e;
    --accent: #764ba2;
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --white: #ffffff;
    --gray: #f4f7f6;
    --text: #333333;
}

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg-gradient);
    background-attachment: fixed;
    color: var(--text);
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

/* Caixa Flutuante (Card) */
.container-box {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.3);
    width: 100%;
    max-width: 500px;
    margin: 20px;
    position: relative;
}

.logo-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 15px;
}

h2 {
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

/* Formulários */
.input-group {
    margin-bottom: 1rem;
    text-align: left;
}

.input-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: #666;
    margin-bottom: 5px;
}

input, select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #eee;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

input:focus {
    border-color: var(--primary);
    outline: none;
    background: #f9fffb;
}

input[readonly] {
    background: #f0f0f0;
    cursor: not-allowed;
}

.row {
    display: flex;
    gap: 15px;
}

.col { flex: 1; }

/* Botões */
.btn-send {
    background: var(--primary);
    color: white;
    border: none;
    padding: 16px;
    width: 100%;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.2s, background 0.3s;
    margin-top: 10px;
}

.btn-send:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* Painel Admin */
.admin-container {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    width: 95%;
    max-width: 1100px;
}

.table-responsive {
    margin-top: 20px;
}