/* ===== VARIÁVEIS ===== */
:root {
    --dark: #0a1a2f;
    --navy: #1a2b4c;
    --blue: #2a3f66;
    --gold: #f1c40f;
    --light: #f8faff;
    --gray: #e9ecef;
    --success: #27ae60;
    --danger: #e74c3c;
}

/* ===== RESET ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }

/* ===== BODY ===== */
body {
    font-family: 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, var(--dark), var(--navy));
    min-height: 100vh;
    padding: 15px;
}

body.centered {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* ===== NAVBAR ===== */
.nav-bar {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    padding: 12px 20px;
    border-radius: 50px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    gap: 10px;
    flex-wrap: wrap;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}
.nav-logo img {
    height: 32px;
    width: auto;
}
.nav-logo i {
    font-size: 1.6rem;
    color: var(--gold);
    background: linear-gradient(135deg, var(--navy), var(--blue));
    padding: 7px 9px;
    border-radius: 10px;
}
.nav-logo span {
    font-weight: 600;
    color: var(--dark);
    font-size: 0.9rem;
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.user-info {
    background: linear-gradient(135deg, var(--navy), var(--blue));
    color: white;
    padding: 6px 15px;
    border-radius: 30px;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 6px;
    max-width: 220px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.user-info i {
    color: var(--gold);
    font-size: 0.8rem;
    flex-shrink: 0;
}
.user-info span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.btn-logout {
    color: var(--dark);
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 30px;
    transition: 0.3s;
    font-size: 0.8rem;
    background: rgba(0,0,0,0.05);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}
.btn-logout:hover {
    background: var(--danger);
    color: white;
}

.btn-back {
    color: var(--dark);
    text-decoration: none;
    padding: 6px 15px;
    border-radius: 30px;
    transition: 0.3s;
    font-size: 0.85rem;
    background: var(--light);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}
.btn-back:hover {
    background: var(--gold);
    color: var(--dark);
}

/* ===== CONTAINER ===== */
.container {
    max-width: 1400px;
    margin: 0 auto;
}

/* ===== RESPONSIVIDADE DA NAVBAR ===== */
@media (max-width: 768px) {
    body { padding: 10px; }
    .nav-bar { padding: 10px 15px; }
    .nav-logo img { height: 28px; }
    .user-info { max-width: 160px; padding: 5px 10px; font-size: 0.7rem; }
}

@media (max-width: 480px) {
    .nav-bar { flex-direction: column; align-items: stretch; }
    .nav-logo { justify-content: center; }
    .nav-user { justify-content: space-between; }
    .user-info { max-width: none; flex: 1; justify-content: center; }
}