* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', sans-serif;
}

body {
    background: linear-gradient(135deg, #f50101, #fce145);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

header {
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    border-bottom: 3px solid #f57301;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: #e67e22;
}

nav a {
    margin: 0 0.8rem;
    text-decoration: none;
    color: #2c3e50;
    font-weight: 500;
    transition: color 0.3s, transform 0.2s;
}

nav a:hover {
    color: #e67e22;
    transform: scale(1.05);
}

.user {
    color: #2c3e50;
    font-weight: 600;
}

main {
    flex: 1;
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.card {
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(5px);
    padding: 1.5rem;
    border-radius: 16px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    text-align: center;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.15);
}

.card h3 {
    color: #e67e22;
    margin-bottom: 0.5rem;
}

.card a {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.5rem 1.2rem;
    background: #e67e22;
    color: #fff;
    border-radius: 30px;
    text-decoration: none;
    transition: background 0.3s;
}

.card a:hover {
    background: #d35400;
}

form {
    background: rgba(255,255,255,0.9);
    padding: 2rem;
    border-radius: 16px;
    max-width: 600px;
    margin: 2rem auto;
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

form input, form select, form button {
    width: 100%;
    padding: 0.8rem;
    margin: 0.5rem 0;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
}

form button {
    background: #e67e22;
    color: #fff;
    border: none;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s;
}

form button:hover {
    background: #d35400;
}

table {
    width: 100%;
    background: rgba(255,255,255,0.9);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    margin-top: 2rem;
    border-collapse: collapse;
}

th {
    background: #f39c12;
    color: #fff;
    padding: 0.8rem;
}

td {
    padding: 0.8rem;
    border-bottom: 1px solid #eee;
}

tr:hover {
    background: #fef9e7;
}

footer {
    text-align: center;
    padding: 1rem;
    background: rgba(255,255,255,0.9);
    color: #000307;
    margin-top: 2rem;
}

.login-container {
    max-width: 400px;
    margin: 10vh auto;
    background: rgba(255,255,255,0.9);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}

.btn-edit, .btn-delete, .btn-cancel {
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    text-decoration: none;
    font-size: 0.8rem;
    display: inline-block;
    margin: 0 0.2rem;
    border: none;
    cursor: pointer;
    transition: background 0.3s;
}
.btn-edit {
    background: #f39c12;
    color: #fff;
}
.btn-edit:hover {
    background: #e67e22;
}
.btn-delete {
    background: #c0392b;
    color: #fff;
}
.btn-delete:hover {
    background: #a93226;
}
.btn-cancel {
    background: #95a5a6;
    color: #fff;
}
.btn-cancel:hover {
    background: #7f8c8d;
}
.form-container {
    background: rgba(255,255,255,0.9);
    padding: 1.5rem;
    border-radius: 16px;
    max-width: 500px;
    margin: 1rem auto;
}
.form-container label {
    display: block;
    margin-top: 0.5rem;
    font-weight: 600;
}
.form-container input, .form-container select {
    width: 100%;
    padding: 0.6rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    margin: 0.2rem 0;
}

.ia-link {
    background: linear-gradient(135deg, #f39c12, #e67e22);
    color: #fff !important;
    padding: 0.3rem 1rem;
    border-radius: 30px;
    transition: all 0.3s;
}

.ia-link:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(230, 126, 34, 0.4);
}

.erro { color: #c0392b; background: #fdd; padding: 0.5rem; border-radius: 8px; }
.sucesso { color: #27ae60; background: #dfd; padding: 0.5rem; border-radius: 8px; }

@media (max-width: 768px) {
    header { flex-wrap: wrap; }
    nav { flex: 1 1 100%; margin-top: 0.5rem; }
    nav a { margin: 0 0.4rem; font-size: 0.9rem; }
}